AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2008JA20 ∴ Orbital info ∴ Epoch epochXXX
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(228057) 2008JA20  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 228057.eq1)
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.38804 1.181e-08 au
e 0.157935 4.827e-08
i 0.821 7.243e-06 deg
Ω 213.041 0.0003513 deg
ω 52.541 0.0003521 deg
M 80.212 2.687e-05 deg
Other useful info
Absolute Magnitude (H)    17.4 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0109 au
Aphelion 2.7652 au
Asc. node-Earth separation 1.11805 au
Desc. node-Earth separation 1.58379 au
Earth MOID 0.995 au
Orbital period 1347.91 days
Date of orbit computation  apr 23 20:37
Correlation matrix
1.00000000-0.378577340.002162930.002307190.01353332-0.45143923
-0.378577341.000000000.00631451-0.00556260-0.021039660.45301388
0.002162930.006314511.00000000-0.340528410.338600170.01343959
0.00230719-0.00556260-0.340528411.00000000-0.99732816-0.00842533
0.01353332-0.021039660.33860017-0.997328161.00000000-0.06149613
-0.451439230.453013880.01343959-0.00842533-0.061496131.00000000
Covariance matrix
1.39501966E-16-2.15819019E-161.85029247E-169.57288744E-155.62761840E-14-1.43256107E-13
-2.15819019E-162.32964562E-152.20746069E-15-9.43173312E-14-3.57530999E-135.87462465E-13
1.85029247E-162.20746069E-155.24586380E-11-8.66424146E-108.63427261E-102.61528021E-12
9.57288744E-15-9.43173312E-14-8.66424146E-101.23406314E-07-1.23349346E-07-7.95205529E-11
5.62761840E-14-3.57530999E-138.63427261E-10-1.23349346E-071.23953891E-07-5.81703350E-10
-1.43256107E-135.87462465E-132.61528021E-12-7.95205529E-11-5.81703350E-107.21850680E-10