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#apophis — Public Fediverse posts

Live and recent posts from across the Fediverse tagged #apophis, aggregated by home.social.

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  1. "Hence, from the very beginning, when I was seeing the usual animations of Apophis' trajectory during the closest approach, I immediately started to wonder if there was any possibility of encounter with the vast population of human-made space debris."

    sciencealert.com/in-april-2029

    #apophis #spacedebris #asteroid #science

  2. "Hence, from the very beginning, when I was seeing the usual animations of Apophis' trajectory during the closest approach, I immediately started to wonder if there was any possibility of encounter with the vast population of human-made space debris."

    sciencealert.com/in-april-2029

    #apophis #spacedebris #asteroid #science

  3. 2026-08-07 13:00:00 UTC (Delta: 2026-07-31)

    WHERE IS OSIRIS-APEX?
    - Barycentric speed: 23.94 km/s (+0.28 km/s)
    - Rendezvous with Apophis in: 987 days

    🪨 Relative to Apophis
    - Distance (km): 267,181,597.82 km (-6,437,859.47 km)
    - Distance (AU): 1.79 (-0.04)
    - Light travel time: 14 min 51.25 s (-21.48 s)

    🌎 Relative to Earth
    - Distance (km): 63,603,739.04 km (+4,290,740.65 km)
    - Distance (AU): 0.43 (+0.03)
    - Light travel time: 3 min 32.17 s (+14.31 s)

    #OSIRISAPEx #Apophis

  4. 2026-08-07 13:00:00 UTC (Delta: 2026-07-31)

    WHERE IS OSIRIS-APEX?
    - Barycentric speed: 23.94 km/s (+0.28 km/s)
    - Rendezvous with Apophis in: 987 days

    🪨 Relative to Apophis
    - Distance (km): 267,181,597.82 km (-6,437,859.47 km)
    - Distance (AU): 1.79 (-0.04)
    - Light travel time: 14 min 51.25 s (-21.48 s)

    🌎 Relative to Earth
    - Distance (km): 63,603,739.04 km (+4,290,740.65 km)
    - Distance (AU): 0.43 (+0.03)
    - Light travel time: 3 min 32.17 s (+14.31 s)

    #OSIRISAPEx #Apophis

  5. 2026-07-31 13:00:00 UTC (Delta: 2026-07-24)

    WHERE IS OSIRIS-APEX?
    - Barycentric speed: 23.67 km/s (+0.23 km/s)
    - Rendezvous with Apophis in: 994 days

    🪨 Relative to Apophis
    - Distance (km): 273,619,457.29 km (-5,825,415.07 km)
    - Distance (AU): 1.83 (-0.04)
    - Light travel time: 15 min 12.72 s (-19.43 s)

    🌎 Relative to Earth
    - Distance (km): 59,312,998.40 km (+4,144,435.36 km)
    - Distance (AU): 0.40 (+0.03)
    - Light travel time: 3 min 17.85 s (+13.82 s)

    #OSIRISAPEx #Apophis

  6. 2026-07-31 13:00:00 UTC (Delta: 2026-07-24)

    WHERE IS OSIRIS-APEX?
    - Barycentric speed: 23.67 km/s (+0.23 km/s)
    - Rendezvous with Apophis in: 994 days

    🪨 Relative to Apophis
    - Distance (km): 273,619,457.29 km (-5,825,415.07 km)
    - Distance (AU): 1.83 (-0.04)
    - Light travel time: 15 min 12.72 s (-19.43 s)

    🌎 Relative to Earth
    - Distance (km): 59,312,998.40 km (+4,144,435.36 km)
    - Distance (AU): 0.40 (+0.03)
    - Light travel time: 3 min 17.85 s (+13.82 s)

    #OSIRISAPEx #Apophis

  7. 2026-07-24 13:00:00 UTC (Delta: 2026-07-17)

    WHERE IS OSIRIS-APEX?
    - Barycentric speed: 23.43 km/s (+0.19 km/s)
    - Rendezvous with Apophis in: 1001 days

    🪨 Relative to Apophis
    - Distance (km): 279,444,872.35 km (-5,212,392.73 km)
    - Distance (AU): 1.87 (-0.03)
    - Light travel time: 15 min 32.16 s (-17.39 s)

    🌎 Relative to Earth
    - Distance (km): 55,168,563.03 km (+3,833,903.96 km)
    - Distance (AU): 0.37 (+0.03)
    - Light travel time: 3 min 4.03 s (+12.79 s)

    #OSIRISAPEx #Apophis

  8. 2026-07-24 13:00:00 UTC (Delta: 2026-07-17)

    WHERE IS OSIRIS-APEX?
    - Barycentric speed: 23.43 km/s (+0.19 km/s)
    - Rendezvous with Apophis in: 1001 days

    🪨 Relative to Apophis
    - Distance (km): 279,444,872.35 km (-5,212,392.73 km)
    - Distance (AU): 1.87 (-0.03)
    - Light travel time: 15 min 32.16 s (-17.39 s)

    🌎 Relative to Earth
    - Distance (km): 55,168,563.03 km (+3,833,903.96 km)
    - Distance (AU): 0.37 (+0.03)
    - Light travel time: 3 min 4.03 s (+12.79 s)

    #OSIRISAPEx #Apophis

  9. ESA-Mission mit Beteiligung der TU Braunschweig 🚀

    ☄️ Wenn der #Asteroid #Apophis am 13. April 2029 an der Erde vorbeifliegt, wird ein an der #TUBraunschweig entwickeltes Magnetometer direkt auf seiner Oberfläche geophysikalische Messungen durchführen.

    🛰️ Das Instrument MARIE ist Teil eines landenden CubeSats der #ESA-Mission RAMSES und soll gemeinsam mit weiteren Experimenten die Auswirkungen des außergewöhnlich nahen Erdvorbeiflugs untersuchen.

    👉 lnk.tu-bs.de/zNBQRT

  10. ESA-Mission mit Beteiligung der TU Braunschweig 🚀

    ☄️ Wenn der #Asteroid #Apophis am 13. April 2029 an der Erde vorbeifliegt, wird ein an der #TUBraunschweig entwickeltes Magnetometer direkt auf seiner Oberfläche geophysikalische Messungen durchführen.

    🛰️ Das Instrument MARIE ist Teil eines landenden CubeSats der #ESA-Mission RAMSES und soll gemeinsam mit weiteren Experimenten die Auswirkungen des außergewöhnlich nahen Erdvorbeiflugs untersuchen.

    👉 lnk.tu-bs.de/zNBQRT

  11. 💁🏻‍♀️ TIL: ☄️🌍 A mapping project shared at the University of #Padua shows when and where billions of people can see #asteroid #Apophis during its safe 2029 flyby.

    Scientists calculated that the #space rock will be bright enough for naked eye viewing across #Europe, #Africa, and #Asia, and it will pass closer to our #planet than many #weather #satellites.

    👉 livescience.com/space/asteroid

    #astronomy #science #maps #nasa #earth

  12. 💁🏻‍♀️ TIL: ☄️🌍 A mapping project shared at the University of #Padua shows when and where billions of people can see #asteroid #Apophis during its safe 2029 flyby.

    Scientists calculated that the #space rock will be bright enough for naked eye viewing across #Europe, #Africa, and #Asia, and it will pass closer to our #planet than many #weather #satellites.

    👉 livescience.com/space/asteroid

    #astronomy #science #maps #nasa #earth

  13. "'Shared cosmic experience': 'Potentially hazardous' asteroid Apophis could be visible to 90% of Earth's population during ultraclose 2029 flyby" by @LiveScience - Every continent except North America will have some nighttime hours with view of the near-Earth #asteroid #99942Apophis during its fly-by on April 13, 2029. Closest point will be 19,000mi/30,600km from Earth's surface, which is closer than geosynchronous satellites! livescience.com/space/asteroid #Apophis #NEA #NEO #astronomy #LowFlyingRocks

  14. "'Shared cosmic experience': 'Potentially hazardous' asteroid Apophis could be visible to 90% of Earth's population during ultraclose 2029 flyby" by @LiveScience - Every continent except North America will have some nighttime hours with view of the near-Earth #asteroid #99942Apophis during its fly-by on April 13, 2029. Closest point will be 19,000mi/30,600km from Earth's surface, which is closer than geosynchronous satellites! livescience.com/space/asteroid #Apophis #NEA #NEO #astronomy #LowFlyingRocks

  15. 2026-07-17 13:00:00 UTC (Delta: 2026-07-10)

    WHERE IS OSIRIS-APEX?
    - Barycentric speed: 23.24 km/s (+0.14 km/s)
    - Rendezvous with Apophis in: 1008 days

    🪨 Relative to Apophis
    - Distance (km): 284,657,265.08 km (-4,600,577.84 km)
    - Distance (AU): 1.90 (-0.03)
    - Light travel time: 15 min 49.54 s (-15.35 s)

    🌎 Relative to Earth
    - Distance (km): 51,334,659.07 km (+3,311,857.91 km)
    - Distance (AU): 0.34 (+0.02)
    - Light travel time: 2 min 51.24 s (+11.05 s)

    #OSIRISAPEx #Apophis

  16. 2026-07-17 13:00:00 UTC (Delta: 2026-07-10)

    WHERE IS OSIRIS-APEX?
    - Barycentric speed: 23.24 km/s (+0.14 km/s)
    - Rendezvous with Apophis in: 1008 days

    🪨 Relative to Apophis
    - Distance (km): 284,657,265.08 km (-4,600,577.84 km)
    - Distance (AU): 1.90 (-0.03)
    - Light travel time: 15 min 49.54 s (-15.35 s)

    🌎 Relative to Earth
    - Distance (km): 51,334,659.07 km (+3,311,857.91 km)
    - Distance (AU): 0.34 (+0.02)
    - Light travel time: 2 min 51.24 s (+11.05 s)

    #OSIRISAPEx #Apophis

  17. 2026-07-10 13:00:00 UTC (Delta: 2026-07-03)

    WHERE IS OSIRIS-APEX?
    - Barycentric speed: 23.10 km/s (+0.10 km/s)
    - Rendezvous with Apophis in: 1015 days

    🪨 Relative to Apophis
    - Distance (km): 289,257,842.92 km (-3,991,373.18 km)
    - Distance (AU): 1.93 (-0.03)
    - Light travel time: 16 min 4.89 s (-13.31 s)

    🌎 Relative to Earth
    - Distance (km): 48,022,801.16 km (+2,562,300.48 km)
    - Distance (AU): 0.32 (+0.02)
    - Light travel time: 2 min 40.19 s (+8.55 s)

    #OSIRISAPEx #Apophis

  18. 2026-07-10 13:00:00 UTC (Delta: 2026-07-03)

    WHERE IS OSIRIS-APEX?
    - Barycentric speed: 23.10 km/s (+0.10 km/s)
    - Rendezvous with Apophis in: 1015 days

    🪨 Relative to Apophis
    - Distance (km): 289,257,842.92 km (-3,991,373.18 km)
    - Distance (AU): 1.93 (-0.03)
    - Light travel time: 16 min 4.89 s (-13.31 s)

    🌎 Relative to Earth
    - Distance (km): 48,022,801.16 km (+2,562,300.48 km)
    - Distance (AU): 0.32 (+0.02)
    - Light travel time: 2 min 40.19 s (+8.55 s)

    #OSIRISAPEx #Apophis

  19. Paul Simon presents a combination of dynamical, space weathering, and spectral models to try and figure out just where near-Earth asteroids visited by spacecraft came from.

    Suggests Eros, #Itokawa, #Torifune, and #Apophis all came from the main-belt asteroid Flora 1.2 billion years ago.

    #ACM2026

  20. #ESA:
    "
    Surface CubeSat contracted for Ramses asteroid mission
    "
    ".. contracted Spanish company EMXYS for the first CubeSat designed to operate on the surface of an asteroid. Don Quijote is a shoebox-sized spacecraft that will be deployed onto the Apophis asteroid by ESA’s Ramses mission before the asteroid flies by Earth on 13 April 2029. .."

    esa.int/Space_Safety/Planetary

    2.7.2026

    #Apophis #Asteroid #Cubesat #DonQuijote #EMXYS #GRASS #MARIE #Ramses #Raumfahrt #Raumsonde #SIA #SpaceFlight

  21. #ESA:
    "
    Surface CubeSat contracted for Ramses asteroid mission
    "
    ".. contracted Spanish company EMXYS for the first CubeSat designed to operate on the surface of an asteroid. Don Quijote is a shoebox-sized spacecraft that will be deployed onto the Apophis asteroid by ESA’s Ramses mission before the asteroid flies by Earth on 13 April 2029. .."

    esa.int/Space_Safety/Planetary

    2.7.2026

    #Apophis #Asteroid #Cubesat #DonQuijote #EMXYS #GRASS #MARIE #Ramses #Raumfahrt #Raumsonde #SIA #SpaceFlight

  22. 2026-07-03 13:00:00 UTC (Delta: 2026-06-26)

    WHERE IS OSIRIS-APEX?
    - Barycentric speed: 23.00 km/s (+0.06 km/s)
    - Rendezvous with Apophis in: 1022 days

    🪨 Relative to Apophis
    - Distance (km): 293,249,216.10 km (-3,385,927.15 km)
    - Distance (AU): 1.96 (-0.02)
    - Light travel time: 16 min 18.20 s (-11.29 s)

    🌎 Relative to Earth
    - Distance (km): 45,460,500.67 km (+1,616,743.57 km)
    - Distance (AU): 0.30 (+0.01)
    - Light travel time: 2 min 31.64 s (+5.39 s)

    #OSIRISAPEx #Apophis

  23. 2026-07-03 13:00:00 UTC (Delta: 2026-06-26)

    WHERE IS OSIRIS-APEX?
    - Barycentric speed: 23.00 km/s (+0.06 km/s)
    - Rendezvous with Apophis in: 1022 days

    🪨 Relative to Apophis
    - Distance (km): 293,249,216.10 km (-3,385,927.15 km)
    - Distance (AU): 1.96 (-0.02)
    - Light travel time: 16 min 18.20 s (-11.29 s)

    🌎 Relative to Earth
    - Distance (km): 45,460,500.67 km (+1,616,743.57 km)
    - Distance (AU): 0.30 (+0.01)
    - Light travel time: 2 min 31.64 s (+5.39 s)

    #OSIRISAPEx #Apophis

  24. The European Space Agency has contracted Spanish company EMXYS for the first CubeSat designed to operate on the surface of an asteroid: esa.int/Space_Safety/Planetary - #DonQuijote is a shoebox-sized spacecraft that will be deployed onto the #Apophis asteroid by ESA’s #Ramses mission before the asteroid flies by Earth on 13 April 2029.

  25. The European Space Agency has contracted Spanish company EMXYS for the first CubeSat designed to operate on the surface of an asteroid: esa.int/Space_Safety/Planetary - #DonQuijote is a shoebox-sized spacecraft that will be deployed onto the #Apophis asteroid by ESA’s #Ramses mission before the asteroid flies by Earth on 13 April 2029.

  26. 2026-06-26 13:00:00 UTC (Delta: 2026-06-19)

    WHERE IS OSIRIS-APEX?
    - Barycentric speed: 22.94 km/s (+0.01 km/s)
    - Rendezvous with Apophis in: 1029 days

    🪨 Relative to Apophis
    - Distance (km): 296,635,143.25 km (-2,785,237.01 km)
    - Distance (AU): 1.98 (-0.02)
    - Light travel time: 16 min 29.50 s (-9.29 s)

    🌎 Relative to Earth
    - Distance (km): 43,843,757.10 km (+519,013.74 km)
    - Distance (AU): 0.29 (+0.00)
    - Light travel time: 2 min 26.25 s (+1.73 s)

    #OSIRISAPEx #Apophis

  27. 2026-06-26 13:00:00 UTC (Delta: 2026-06-19)

    WHERE IS OSIRIS-APEX?
    - Barycentric speed: 22.94 km/s (+0.01 km/s)
    - Rendezvous with Apophis in: 1029 days

    🪨 Relative to Apophis
    - Distance (km): 296,635,143.25 km (-2,785,237.01 km)
    - Distance (AU): 1.98 (-0.02)
    - Light travel time: 16 min 29.50 s (-9.29 s)

    🌎 Relative to Earth
    - Distance (km): 43,843,757.10 km (+519,013.74 km)
    - Distance (AU): 0.29 (+0.00)
    - Light travel time: 2 min 26.25 s (+1.73 s)

    #OSIRISAPEx #Apophis

  28. 🛰️☄️ La construction de la sonde européenne #Ramses, pour l'exploration de l'astéroïde #Apophis en 2029, a débuté chez OHB à Brême, en Allemagne. Le tube central est désormais achevé. Les autres composants structurels sont en cours d'assemblage autour de celui-ci
    📷 OHB

  29. 🛰️☄️ La construction de la sonde européenne #Ramses, pour l'exploration de l'astéroïde #Apophis en 2029, a débuté chez OHB à Brême, en Allemagne. Le tube central est désormais achevé. Les autres composants structurels sont en cours d'assemblage autour de celui-ci
    📷 OHB

  30. 2026-06-19 13:00:00 UTC (Delta: 2026-06-12)

    WHERE IS OSIRIS-APEX?
    - Barycentric speed: 22.93 km/s (-0.03 km/s)
    - Rendezvous with Apophis in: 1036 days

    🪨 Relative to Apophis
    - Distance (km): 299,420,380.26 km (-2,190,234.68 km)
    - Distance (AU): 2.00 (-0.01)
    - Light travel time: 16 min 38.79 s (-7.31 s)

    🌎 Relative to Earth
    - Distance (km): 43,324,743.36 km (-649,730.77 km)
    - Distance (AU): 0.29 (-0.00)
    - Light travel time: 2 min 24.52 s (-2.17 s)

    #OSIRISAPEx #Apophis

  31. 2026-06-19 13:00:00 UTC (Delta: 2026-06-12)

    WHERE IS OSIRIS-APEX?
    - Barycentric speed: 22.93 km/s (-0.03 km/s)
    - Rendezvous with Apophis in: 1036 days

    🪨 Relative to Apophis
    - Distance (km): 299,420,380.26 km (-2,190,234.68 km)
    - Distance (AU): 2.00 (-0.01)
    - Light travel time: 16 min 38.79 s (-7.31 s)

    🌎 Relative to Earth
    - Distance (km): 43,324,743.36 km (-649,730.77 km)
    - Distance (AU): 0.29 (-0.00)
    - Light travel time: 2 min 24.52 s (-2.17 s)

    #OSIRISAPEx #Apophis

  32. RE: mastodon.online/@michael_w_bus

    5.8 Earth radii distance sounds a bit too close for comfort to me. But I see experts have been watching this rock for decades and downgraded the risk assessment en.wikipedia.org/wiki/99942_Ap #apophis #science #solarSystem

  33. RE: mastodon.online/@michael_w_bus

    5.8 Earth radii distance sounds a bit too close for comfort to me. But I see experts have been watching this rock for decades and downgraded the risk assessment en.wikipedia.org/wiki/99942_Ap #apophis #science #solarSystem

  34. 2026-06-12 13:00:00 UTC (Delta: 2026-06-05)

    WHERE IS OSIRIS-APEX?
    - Barycentric speed: 22.96 km/s (-0.07 km/s)
    - Rendezvous with Apophis in: 1043 days

    🪨 Relative to Apophis
    - Distance (km): 301,610,614.94 km (-1,601,845.41 km)
    - Distance (AU): 2.02 (-0.01)
    - Light travel time: 16 min 46.10 s (-5.34 s)

    🌎 Relative to Earth
    - Distance (km): 43,974,474.13 km (-1,756,524.02 km)
    - Distance (AU): 0.29 (-0.01)
    - Light travel time: 2 min 26.69 s (-5.86 s)

    #OSIRISAPEx #Apophis

  35. 2026-06-12 13:00:00 UTC (Delta: 2026-06-05)

    WHERE IS OSIRIS-APEX?
    - Barycentric speed: 22.96 km/s (-0.07 km/s)
    - Rendezvous with Apophis in: 1043 days

    🪨 Relative to Apophis
    - Distance (km): 301,610,614.94 km (-1,601,845.41 km)
    - Distance (AU): 2.02 (-0.01)
    - Light travel time: 16 min 46.10 s (-5.34 s)

    🌎 Relative to Earth
    - Distance (km): 43,974,474.13 km (-1,756,524.02 km)
    - Distance (AU): 0.29 (-0.01)
    - Light travel time: 2 min 26.69 s (-5.86 s)

    #OSIRISAPEx #Apophis

  36. #OHB:
    "
    OHB startet Bau der ESA-JAXA RAMSES-Sonde
    "
    "Im Reinraum v. OHB in Bremen haben die Arbeiten an der europäischen Planetenverteidigungsmission RAMSES (Rapid Apophis Mission for Space Safety) offiziell begonnen. .. Um den Asteroiden Apophis vor seinem spektakulären Erdvorbeiflug im April 2029 rechtzeitig zu erreichen, muss der Start der RAMSES-Sonde bereits im Frühjahr 2028 erfolgen."

    ohb.de/aktuelles/ohb-startet-b

    4.6.2026

    #Apophis #Bremen #ESA #JAXA #RAMSES #Raumfahrt #Raumsonde #SpaceFlight

  37. #OHB:
    "
    OHB startet Bau der ESA-JAXA RAMSES-Sonde
    "
    "Im Reinraum v. OHB in Bremen haben die Arbeiten an der europäischen Planetenverteidigungsmission RAMSES (Rapid Apophis Mission for Space Safety) offiziell begonnen. .. Um den Asteroiden Apophis vor seinem spektakulären Erdvorbeiflug im April 2029 rechtzeitig zu erreichen, muss der Start der RAMSES-Sonde bereits im Frühjahr 2028 erfolgen."

    ohb.de/aktuelles/ohb-startet-b

    4.6.2026

    #Apophis #Bremen #ESA #JAXA #RAMSES #Raumfahrt #Raumsonde #SpaceFlight

  38. 2026-06-05 13:00:00 UTC (Delta: 2026-05-29)

    WHERE IS OSIRIS-APEX?
    - Barycentric speed: 23.04 km/s (-0.12 km/s)
    - Rendezvous with Apophis in: 1050 days

    🪨 Relative to Apophis
    - Distance (km): 303,212,460.35 km (-1,021,084.06 km)
    - Distance (AU): 2.03 (-0.01)
    - Light travel time: 16 min 51.44 s (-3.41 s)

    🌎 Relative to Earth
    - Distance (km): 45,730,998.15 km (-2,686,553.95 km)
    - Distance (AU): 0.31 (-0.02)
    - Light travel time: 2 min 32.55 s (-8.96 s)

    #OSIRISAPEx #Apophis

  39. 2026-06-05 13:00:00 UTC (Delta: 2026-05-29)

    WHERE IS OSIRIS-APEX?
    - Barycentric speed: 23.04 km/s (-0.12 km/s)
    - Rendezvous with Apophis in: 1050 days

    🪨 Relative to Apophis
    - Distance (km): 303,212,460.35 km (-1,021,084.06 km)
    - Distance (AU): 2.03 (-0.01)
    - Light travel time: 16 min 51.44 s (-3.41 s)

    🌎 Relative to Earth
    - Distance (km): 45,730,998.15 km (-2,686,553.95 km)
    - Distance (AU): 0.31 (-0.02)
    - Light travel time: 2 min 32.55 s (-8.96 s)

    #OSIRISAPEx #Apophis

  40. in 2029
    by and by
    Apophis flew
    its gravity declined
    by distance
    to the negative two
    far too small
    to rattle me and you

    #poetry
    #Apophis
    #gravity

  41. in 2029
    by and by
    Apophis flew
    its gravity declined
    by distance
    to the negative two
    far too small
    to rattle me and you

    #poetry
    #Apophis
    #gravity

  42. 2026-05-29 13:00:00 UTC (Delta: 2026-05-22)

    WHERE IS OSIRIS-APEX?
    - Barycentric speed: 23.16 km/s (-0.16 km/s)
    - Rendezvous with Apophis in: 1057 days

    🪨 Relative to Apophis
    - Distance (km): 304,233,544.40 km (-449,100.16 km)
    - Distance (AU): 2.03 (-0.00)
    - Light travel time: 16 min 54.84 s (-1.50 s)

    🌎 Relative to Earth
    - Distance (km): 48,417,552.09 km (-3,407,668.82 km)
    - Distance (AU): 0.32 (-0.02)
    - Light travel time: 2 min 41.51 s (-11.37 s)

    #OSIRISAPEx #Apophis

  43. 2026-05-29 13:00:00 UTC (Delta: 2026-05-22)

    WHERE IS OSIRIS-APEX?
    - Barycentric speed: 23.16 km/s (-0.16 km/s)
    - Rendezvous with Apophis in: 1057 days

    🪨 Relative to Apophis
    - Distance (km): 304,233,544.40 km (-449,100.16 km)
    - Distance (AU): 2.03 (-0.00)
    - Light travel time: 16 min 54.84 s (-1.50 s)

    🌎 Relative to Earth
    - Distance (km): 48,417,552.09 km (-3,407,668.82 km)
    - Distance (AU): 0.32 (-0.02)
    - Light travel time: 2 min 41.51 s (-11.37 s)

    #OSIRISAPEx #Apophis

  44. 2026-05-22 13:00:00 UTC (Delta: 2026-05-15)

    WHERE IS OSIRIS-APEX?
    - Barycentric speed: 23.32 km/s (-0.21 km/s)
    - Rendezvous with Apophis in: 1064 days

    🪨 Relative to Apophis
    - Distance (km): 304,682,644.56 km (+112,774.39 km)
    - Distance (AU): 2.04 (+0.00)
    - Light travel time: 16 min 56.34 s (+0.38 s)

    🌎 Relative to Earth
    - Distance (km): 51,825,220.91 km (-3,924,925.83 km)
    - Distance (AU): 0.35 (-0.03)
    - Light travel time: 2 min 52.88 s (-13.09 s)

    #OSIRISAPEx #Apophis

  45. 2026-05-22 13:00:00 UTC (Delta: 2026-05-15)

    WHERE IS OSIRIS-APEX?
    - Barycentric speed: 23.32 km/s (-0.21 km/s)
    - Rendezvous with Apophis in: 1064 days

    🪨 Relative to Apophis
    - Distance (km): 304,682,644.56 km (+112,774.39 km)
    - Distance (AU): 2.04 (+0.00)
    - Light travel time: 16 min 56.34 s (+0.38 s)

    🌎 Relative to Earth
    - Distance (km): 51,825,220.91 km (-3,924,925.83 km)
    - Distance (AU): 0.35 (-0.03)
    - Light travel time: 2 min 52.88 s (-13.09 s)

    #OSIRISAPEx #Apophis

  46. Today in the Planetary Science Journal:

    Schettino & Rossi 2026, "Potential Interaction of 99942 Apophis with the High Earth Orbit Population during the 2029 Close Approach" - iopscience.iop.org/article/10.

    Please do not put any orbital debris where #Apophis might run into it.

  47. Today in the Planetary Science Journal:

    Schettino & Rossi 2026, "Potential Interaction of 99942 Apophis with the High Earth Orbit Population during the 2029 Close Approach" - iopscience.iop.org/article/10.

    Please do not put any orbital debris where #Apophis might run into it.

  48. 2026-05-15 13:00:00 UTC (Delta: 2026-05-08)

    WHERE IS OSIRIS-APEX?
    - Barycentric speed: 23.53 km/s (-0.25 km/s)
    - Rendezvous with Apophis in: 1071 days

    🪨 Relative to Apophis
    - Distance (km): 304,569,870.18 km (+662,934.33 km)
    - Distance (AU): 2.04 (+0.00)
    - Light travel time: 16 min 55.97 s (+2.21 s)

    🌎 Relative to Earth
    - Distance (km): 55,750,146.74 km (-4,238,487.65 km)
    - Distance (AU): 0.37 (-0.03)
    - Light travel time: 3 min 5.97 s (-14.14 s)

    #OSIRISAPEx #Apophis

  49. 2026-05-15 13:00:00 UTC (Delta: 2026-05-08)

    WHERE IS OSIRIS-APEX?
    - Barycentric speed: 23.53 km/s (-0.25 km/s)
    - Rendezvous with Apophis in: 1071 days

    🪨 Relative to Apophis
    - Distance (km): 304,569,870.18 km (+662,934.33 km)
    - Distance (AU): 2.04 (+0.00)
    - Light travel time: 16 min 55.97 s (+2.21 s)

    🌎 Relative to Earth
    - Distance (km): 55,750,146.74 km (-4,238,487.65 km)
    - Distance (AU): 0.37 (-0.03)
    - Light travel time: 3 min 5.97 s (-14.14 s)

    #OSIRISAPEx #Apophis

  50. @angryastro

    Forget #apophis

    In a mere FIVE DAYS, a newly discovered asteroid will pass dangerously close to Earth!

    Could it hit?

    The answer is, maybe, but even if it doesn't, the danger won't go away!
    youtu.be/DoweVPdvW8I

  51. @angryastro

    Forget #apophis

    In a mere FIVE DAYS, a newly discovered asteroid will pass dangerously close to Earth!

    Could it hit?

    The answer is, maybe, but even if it doesn't, the danger won't go away!
    youtu.be/DoweVPdvW8I

  52. RE: mastodon.social/@coreyspowell/

    Apophis is one of those close orbit asteroids that newspapers like to say is definitely going to destroy us on some future date because if it's not 'Aliens' its 'Doomsday' with Space stories.

    Instead looks like we're going to land on it and follow it around!

    #Apophis #Space #Astrodon #Asteroids

  53. RE: mastodon.social/@coreyspowell/

    Apophis is one of those close orbit asteroids that newspapers like to say is definitely going to destroy us on some future date because if it's not 'Aliens' its 'Doomsday' with Space stories.

    Instead looks like we're going to land on it and follow it around!

    #Apophis #Space #Astrodon #Asteroids

  54. #ESA:
    "
    ESA and JAXA team up on planetary defence, Ramses mission to asteroid Apophis
    "
    ".. ESA and .. JAXA have signed a Memorandum of Cooperation to deepen collaboration in planetary defence, alongside a dedicated agreement for collaboration on the Rapid Apophis Mission for Space Safety (Ramses) to the near-Earth asteroid Apophis."

    esa.int/Space_Safety/Planetary

    7.5.2025

    #Apophis #ASI #Asteroid #Europa #Japan #JAXA #OHB #RAMSES #Raumfahrt #Raumsonde #SpaceFlight

  55. #ESA:
    "
    ESA and JAXA team up on planetary defence, Ramses mission to asteroid Apophis
    "
    ".. ESA and .. JAXA have signed a Memorandum of Cooperation to deepen collaboration in planetary defence, alongside a dedicated agreement for collaboration on the Rapid Apophis Mission for Space Safety (Ramses) to the near-Earth asteroid Apophis."

    esa.int/Space_Safety/Planetary

    7.5.2025

    #Apophis #ASI #Asteroid #Europa #Japan #JAXA #OHB #RAMSES #Raumfahrt #Raumsonde #SpaceFlight