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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 15:45

Observational summary
Optical observations (Discarded) 7845 (14)
Radar observations (Discarded) 50 (0)
Arc length 6244 days
Unobserved 163 days

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Ephemeris
(Epoch 59486 MJD)
Right Ascension 131.768 deg
Declination 15.8111 deg
V Magnitude 20.84 mag
Solar Elongation 55.91 deg
Galactic Latitude 32.56 deg
Rate 0.829 deg/day
Direction 109.082 deg

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