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(99942) Apophis  ▹ 
SUMMARY

This object is currently included in the Risk list

Keplerian elements
(Epoch 59000.0 MJD)
Value 1-σ variation Units
a 0.922571 4.73e-10 au
e 0.191475 3.63e-09
i 3.337 3.815e-07 deg
Ω 204.048 2.386e-05 deg
ω 126.687 2.332e-05 deg
M 248.148 2.484e-06 deg

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Non-gravitational parameters
Value 1-σ variation Units
A1 N/A N/A au/day2
A2 -2.952e-14 1.140e-15 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 0.00031 au
Desc. node-Earth separation -0.19832 au
Earth MOID 9e-05 au
Orbital period 323.667 days
Date of orbit computation   Feb 25 14:02

Observational summary
Optical observations (Discarded) 5633 (5)
Radar observations (Discarded) 46 (0)
Arc length 6191 days
Unobserved 2 days

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Ephemeris
(Epoch 59272 MJD)
Right Ascension 149.74 deg
Declination -12.7239 deg
V Magnitude 15.49 mag
Solar Elongation -156.52 deg
Galactic Latitude 32.22 deg
Rate 1.307 deg/day
Direction -60.399 deg

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