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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
58174.6 MJD
Value 1-σ variation Units
a 3.08316 4.232e-08 au
e 0.104648 5.28e-08
i 15.971 8.406e-06 deg
Ω 358.496 2.15e-05 deg
ω 80.066 4.745e-05 deg
M 36.188 4.069e-05 deg
Other useful info
Absolute Magnitude (H)    16.4 mag
Slope parameter (G)    0.15 mag
Perihelion 2.7605 au
Aphelion 3.4058 au
Asc. node-Earth separation 1.99224 au
Desc. node-Earth separation 2.11006 au
Earth MOID 1.82977 au
Orbital period 1977.39 days
Date of orbit computation  apr 23 21:05
Correlation matrix
1.00000000-0.156624750.03415796-0.003239440.00526729-0.00896344
-0.156624751.00000000-0.02453436-0.01052669-0.083570720.09507187
0.03415796-0.024534361.00000000-0.03115931-0.005239020.02091805
-0.00323944-0.01052669-0.031159311.00000000-0.42787220-0.00592730
0.00526729-0.08357072-0.00523902-0.427872201.00000000-0.89523794
-0.008963440.095071870.02091805-0.00592730-0.895237941.00000000
Covariance matrix
1.79064097E-15-3.49944148E-161.21506490E-14-2.94683802E-151.05753658E-14-1.54330690E-14
-3.49944148E-162.78784208E-15-1.08896040E-14-1.19483579E-14-2.09359075E-132.04248766E-13
1.21506490E-14-1.08896040E-147.06653571E-11-5.63084195E-12-2.08957047E-127.15480591E-12
-2.94683802E-15-1.19483579E-14-5.63084195E-124.62130356E-10-4.36415221E-10-5.18456694E-12
1.05753658E-14-2.09359075E-13-2.08957047E-12-4.36415221E-102.25116399E-09-1.72828502E-09
-1.54330690E-142.04248766E-137.15480591E-12-5.18456694E-12-1.72828502E-091.65556654E-09