NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2008AB31 ∴ Orbital info ∴ Epoch 60400 MJD
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(315508) 2008AB31  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 315508.eq1)
Keplerian elements
(Epoch 60400.0 MJD)
Value 1-σ variation Units
a 1.60212 1.284e-08 au
e 0.320479 1.094e-07
i 30.016 3.7e-05 deg
Ω 302.985 1.002e-05 deg
ω 255.682 3.202e-05 deg
M 318.941 4.663e-05 deg
Other useful info
Absolute Magnitude (H)    20.1 mag
Slope parameter (G)    0.15 mag
Perihelion distance 1.0887 au
Aphelion distance 2.1156 au
Asc. node-Earth separation 0.54588 au
Desc. node-Earth separation 0.34819 au
Earth MOID 0.29433 au
Orbital period 740.694 days
Date of orbit computation   feb 26 13:12

Covariance matrix
1.64761139E-16-9.05422728E-161.09339594E-139.45831216E-151.14782131E-13-5.38935009E-13
-9.05422728E-161.19734841E-14-1.36828789E-12-5.65270646E-141.31841019E-132.97579054E-12
1.09339594E-13-1.36828789E-121.36905350E-09-7.66022124E-135.04909458E-11-4.03196491E-10
9.45831216E-15-5.65270646E-14-7.66022124E-131.00420329E-10-7.06731448E-11-3.66816497E-11
1.14782131E-131.31841019E-135.04909458E-11-7.06731448E-111.02499015E-09-9.34795815E-10
-5.38935009E-132.97579054E-12-4.03196491E-10-3.66816497E-11-9.34795815E-102.17451403E-09

Correlation matrix
1.00000000-0.644634770.230218310.073531840.27931036-0.90038426
-0.644634771.00000000-0.33795354-0.051550790.037634000.58319122
0.23021831-0.337953541.00000000-0.002065950.04262294-0.23368209
0.07353184-0.05155079-0.002065951.00000000-0.22028440-0.07849770
0.279310360.037634000.04262294-0.220284401.00000000-0.62614628
-0.900384260.58319122-0.23368209-0.07849770-0.626146281.00000000