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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 660 days

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Ephemeris
(Epoch 59983 MJD)
Right Ascension 264.964 deg
Declination -22.9848 deg
V Magnitude 21.21 mag
Solar Elongation 53.26 deg
Galactic Latitude 4.23 deg
Rate 1.119 deg/day
Direction 89.625 deg

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