NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2009RA4 ∴ Orbital info ∴ Epoch 55105 MJD
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2009RA4  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 2009RA4.eq0)
Keplerian elements
(Epoch 55105.4 MJD)
Value 1-σ variation Units
a 2.26768 0.0002114 au
e 0.448376 4.304e-05
i 6.197 0.0004194 deg
Ω 358.323 8.689e-05 deg
ω 345.13 0.001179 deg
M 8.126 0.001061 deg
Other useful info
Absolute Magnitude (H)    21.6 mag
Slope parameter (G)    0.15 mag
Perihelion distance 1.2509 au
Aphelion distance 3.2845 au
Asc. node-Earth separation 0.26005 au
Desc. node-Earth separation 2.20337 au
Earth MOID 0.2449 au
Orbital period 1247.3 days
Date of orbit computation   feb 26 10:49

Covariance matrix
4.46895341E-089.08945051E-098.81526256E-086.75098285E-09-6.34570969E-08-2.09586350E-07
9.08945051E-091.85202528E-091.79561215E-081.31659002E-09-1.49277261E-08-4.19576826E-08
8.81526256E-081.79561215E-081.75886070E-071.34996999E-08-1.46316891E-07-4.06534811E-07
6.75098285E-091.31659002E-091.34996999E-087.54958475E-092.02242708E-08-4.33993523E-08
-6.34570969E-08-1.49277261E-08-1.46316891E-072.02242708E-081.38939673E-06-1.32988445E-07
-2.09586350E-07-4.19576826E-08-4.06534811E-07-4.33993523E-08-1.32988445E-071.12627257E-06

Correlation matrix
1.000000000.999105290.994298120.36753826-0.25466200-0.93419670
0.999105291.000000000.994886090.35209963-0.29427751-0.91868428
0.994298120.994886091.000000000.37046472-0.29598221-0.91339844
0.367538260.352099630.370464721.000000000.19746867-0.47065206
-0.25466200-0.29427751-0.295982210.197468671.00000000-0.10631120
-0.93419670-0.91868428-0.91339844-0.47065206-0.106311201.00000000