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Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2008HT21 ∴ Orbital info ∴ Epoch epochXXX
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(328309) 2008HT21  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 328309.eq1)
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.64072 1.494e-08 au
e 0.241144 4.334e-08
i 15.33 5.627e-06 deg
Ω 93.302 1.877e-05 deg
ω 209.408 2.21e-05 deg
M 206.427 1.144e-05 deg
Other useful info
Absolute Magnitude (H)    16.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0039 au
Aphelion 3.2775 au
Asc. node-Earth separation 2.16562 au
Desc. node-Earth separation 1.03896 au
Earth MOID 1.001 au
Orbital period 1567.41 days
Date of orbit computation  apr 23 20:59
Correlation matrix
1.000000000.121675200.00017898-0.015336240.04392223-0.43392486
0.121675201.00000000-0.006703990.02288442-0.050743350.04754994
0.00017898-0.006703991.00000000-0.066629730.05950333-0.00423104
-0.015336240.02288442-0.066629731.00000000-0.814669580.00319189
0.04392223-0.050743350.05950333-0.814669581.00000000-0.51311790
-0.433924860.04754994-0.004231040.00319189-0.513117901.00000000
Covariance matrix
2.23193937E-167.87760319E-171.50467605E-17-4.30112438E-151.45026728E-14-7.41821107E-14
7.87760319E-171.87802637E-15-1.63484077E-151.86171300E-14-4.86018123E-142.35800282E-14
1.50467605E-17-1.63484077E-153.16652291E-11-7.03851851E-127.40039847E-12-2.72446771E-13
-4.30112438E-151.86171300E-14-7.03851851E-123.52406439E-10-3.38007157E-106.85666363E-13
1.45026728E-14-4.86018123E-147.40039847E-12-3.38007157E-104.88477948E-10-1.29772629E-10
-7.41821107E-142.35800282E-14-2.72446771E-136.85666363E-13-1.29772629E-101.30944397E-10