NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2008AB31 ∴ Orbital info ∴ Epoch 55234 MJD
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(315508) 2008AB31  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 315508.eq0)
Keplerian elements
(Epoch 55234.1 MJD)
Value 1-σ variation Units
a 1.60178 1.36e-08 au
e 0.320323 1.093e-07
i 30.026 3.7e-05 deg
Ω 303.107 1.002e-05 deg
ω 255.534 3.204e-05 deg
M 327.992 2.286e-05 deg
Other useful info
Absolute Magnitude (H)    20.1 mag
Slope parameter (G)    0.15 mag
Perihelion distance 1.0887 au
Aphelion distance 2.1149 au
Asc. node-Earth separation 0.54645 au
Desc. node-Earth separation 0.34672 au
Earth MOID 0.29331 au
Orbital period 740.465 days
Date of orbit computation   feb 26 13:12

Covariance matrix
1.84949304E-16-9.84032742E-161.34328604E-138.96926769E-151.25362710E-13-1.53022551E-13
-9.84032742E-161.19393862E-14-1.36918564E-12-4.84566098E-141.09656831E-137.77790219E-13
1.34328604E-13-1.36918564E-121.36895640E-09-5.85780621E-126.54793632E-11-1.44087915E-10
8.96926769E-15-4.84566098E-14-5.85780621E-121.00356452E-10-7.06572898E-11-1.33142693E-11
1.25362710E-131.09656831E-136.54793632E-11-7.06572898E-111.02647306E-09-6.54246291E-10
-1.53022551E-137.77790219E-13-1.44087915E-10-1.33142693E-11-6.54246291E-105.22505344E-10

Correlation matrix
1.00000000-0.662204610.266960710.065835170.28771880-0.49224773
-0.662204611.00000000-0.33866984-0.044267950.031323550.31140538
0.26696071-0.338669841.00000000-0.015804020.05523773-0.17036775
0.06583517-0.04426795-0.015804021.00000000-0.22014587-0.05814325
0.287718800.031323550.05523773-0.220145871.00000000-0.89335099
-0.492247730.31140538-0.17036775-0.05814325-0.893350991.00000000