NEODyS-2

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NEODyS ∴ Objects ∴ Apophis ∴ Orbital info ∴ Epoch 59200 MJD
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(99942) Apophis  ▹ 
ORBITAL INFORMATION
(ASCII data file 99942.eq1)
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
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

Covariance matrix
7.95801908E-21-1.21760924E-19-2.72950511E-183.02545722E-18-7.40709248E-176.62668804E-171.57053590E-16
-1.21760924E-192.36526215E-187.97603130E-17-2.09352923E-153.51403445E-15-1.45914931E-15-4.48155678E-15
-2.72950511E-187.97603130E-173.01733327E-14-1.44386578E-121.56779568E-12-1.91257902E-13-2.92760264E-13
3.02545722E-18-2.09352923E-15-1.44386578E-127.57339608E-11-8.05664142E-118.34639425E-12-2.63831636E-13
-7.40709248E-173.51403445E-151.56779568E-12-8.05664142E-118.64754743E-11-9.62262800E-122.67468571E-13
6.62668804E-17-1.45914931E-15-1.91257902E-138.34639425E-12-9.62262800E-121.65073530E-124.88172674E-13
1.57053590E-16-4.48155678E-15-2.92760264E-13-2.63831636E-132.67468571E-134.88172674E-136.06089396E-12

Correlation matrix
1.00000000-0.88749478-0.176144780.00389711-0.089289170.578169690.71511689
-0.887494781.000000000.29856271-0.156420640.24570834-0.73845048-1.18364351
-0.176144780.298562711.00000000-0.955146190.97058002-0.85697672-0.68459251
0.00389711-0.15642064-0.955146191.00000000-0.995548040.74647427-0.01231440
-0.089289170.245708340.97058002-0.995548041.00000000-0.805394210.01168310
0.57816969-0.73845048-0.856976720.74647427-0.805394211.000000000.15433570
0.71511689-1.18364351-0.68459251-0.012314400.011683100.154335701.00000000