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(99942) Apophis  ▹ 
SUMMARY
Keplerian elements
(Epoch 59200.0 MJD)
Value 1-σ variation Units
a 0.922525 8.921e-11 au
e 0.191509 1.538e-09
i 3.337 1.737e-07 deg
Ω 204.042 8.703e-06 deg
ω 126.654 9.299e-06 deg
M 110.632 1.285e-06 deg

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Non-gravitational parameters
Value 1-σ variation Units
A1 N/A N/A au/day2
A2 -2.900e-14 2.462e-16 au/day2
Other useful info
Absolute Magnitude (H)    18.9 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.7459 au
Aphelion distance 1.0992 au
Asc. node-Earth separation -0.0007 au
Desc. node-Earth separation -0.1995 au
Earth MOID 0.00021 au
Orbital period 323.642 days
Date of orbit computation   apr 20 2021

Observational summary
Optical observations (Discarded) 7845 (14)
Radar observations (Discarded) 50 (0)
Arc length 6244 days
Unobserved 887 days

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Ephemeris
(Epoch 60210 MJD)
Right Ascension 156.132 deg
Declination 8.02334 deg
V Magnitude 21.62 mag
Solar Elongation 24.5 deg
Galactic Latitude 50.35 deg
Rate 0.862 deg/day
Direction 110.952 deg

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