AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2008JA20 ∴ Orbital info ∴ Epoch epochXXX
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(228057) 2008JA20  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 228057.eq0)
Keplerian elements at epoch
57256.1 MJD
Value 1-σ variation Units
a 2.38783 1.199e-08 au
e 0.158218 4.825e-08
i 0.82 7.244e-06 deg
Ω 213.107 0.0003515 deg
ω 52.588 0.0003523 deg
M 320.43 2.465e-05 deg
Other useful info
Absolute Magnitude (H)    17.4 mag
Slope parameter (G)    0.15 mag
Perihelion 2.01 au
Aphelion 2.7656 au
Asc. node-Earth separation 1.11713 au
Desc. node-Earth separation 1.58306 au
Earth MOID 0.9938 au
Orbital period 1347.73 days
Date of orbit computation  apr 23 20:37
Correlation matrix
1.00000000-0.388323610.001991590.002722130.01314646-0.23737306
-0.388323611.000000000.00628969-0.00557191-0.021239700.39587969
0.001991590.006289691.00000000-0.340628540.338702150.01516591
0.00272213-0.00557191-0.340628541.00000000-0.99733241-0.00853251
0.01314646-0.021239700.33870215-0.997332411.00000000-0.06353667
-0.237373060.395879690.01516591-0.00853251-0.063536671.00000000
Covariance matrix
1.43732952E-16-2.24640019E-161.72962736E-161.14721226E-145.55266254E-14-7.01520019E-14
-2.24640019E-162.32825378E-152.19846457E-15-9.45094253E-14-3.61058789E-134.70878476E-13
1.72962736E-162.19846457E-155.24747229E-11-8.67385726E-108.64385421E-102.70815852E-12
1.14721226E-14-9.45094253E-14-8.67385726E-101.23569797E-07-1.23512382E-07-7.39373147E-11
5.55266254E-14-3.61058789E-138.64385421E-10-1.23512382E-071.24116293E-07-5.51784230E-10
-7.01520019E-144.70878476E-132.70815852E-12-7.39373147E-11-5.51784230E-106.07660390E-10