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Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2008ER121 ∴ Orbital info ∴ Epoch epochXXX
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(358815) 2008ER121  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 358815.eq0)
Keplerian elements at epoch
58201.9 MJD
Value 1-σ variation Units
a 3.0831 4.141e-08 au
e 0.104629 5.223e-08
i 15.971 8.403e-06 deg
Ω 358.496 2.13e-05 deg
ω 80.064 4.734e-05 deg
M 41.152 4.068e-05 deg
Other useful info
Absolute Magnitude (H)    16.4 mag
Slope parameter (G)    0.15 mag
Perihelion 2.7605 au
Aphelion 3.4057 au
Asc. node-Earth separation 1.99153 au
Desc. node-Earth separation 2.10979 au
Earth MOID 1.82939 au
Orbital period 1977.33 days
Date of orbit computation  Jun 5 01:53
Correlation matrix
1.00000000-0.130916700.03431280-0.006823650.00988274-0.01226414
-0.130916701.00000000-0.02429646-0.00809967-0.087972440.09697871
0.03431280-0.024296461.00000000-0.03356933-0.004208110.02073292
-0.00682365-0.00809967-0.033569331.00000000-0.42394716-0.00672220
0.00988274-0.08797244-0.00420811-0.423947161.00000000-0.89681994
-0.012264140.096978710.02073292-0.00672220-0.896819941.00000000
Covariance matrix
1.71474609E-15-2.83130475E-161.19393815E-14-6.01845909E-151.93719215E-14-2.06615428E-14
-2.83130475E-162.72761633E-15-1.06625341E-14-9.01005991E-15-2.17487088E-132.06060054E-13
1.19393815E-14-1.06625341E-147.06076100E-11-6.00809828E-12-1.67381586E-127.08780951E-12
-6.01845909E-15-9.01005991E-15-6.00809828E-124.53667124E-10-4.27440443E-10-5.82513338E-12
1.93719215E-14-2.17487088E-13-1.67381586E-12-4.27440443E-102.24073475E-09-1.72713484E-09
-2.06615428E-142.06060054E-137.08780951E-12-5.82513338E-12-1.72713484E-091.65520401E-09