NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2012HD20 ∴ Orbital info ∴ Epoch 58467 MJD
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2012HD20  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 2012HD20.eq0)
Keplerian elements
(Epoch 58467.0 MJD)
Value 1-σ variation Units
a 1.18106 2.242e-09 au
e 0.271567 2.476e-08
i 4.694 3.39e-06 deg
Ω 87.118 4.124e-05 deg
ω 32.101 5.41e-05 deg
M 132.297 2.8e-05 deg
Other useful info
Absolute Magnitude (H)    22.3 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.8603 au
Aphelion distance 1.5018 au
Asc. node-Earth separation -0.09445 au
Desc. node-Earth separation 0.40444 au
Earth MOID 0.04372 au
Orbital period 468.818 days
Date of orbit computation   feb 26 10:51

Covariance matrix
5.02800484E-18-2.91955941E-171.26295897E-15-7.70058319E-152.18202470E-14-1.76232241E-14
-2.91955941E-176.13063650E-16-4.64105229E-158.68797454E-14-2.10113156E-131.49385919E-13
1.26295897E-15-4.64105229E-151.14902342E-11-7.19906050E-111.07030527E-10-4.40507796E-11
-7.70058319E-158.68797454E-14-7.19906050E-111.70075382E-09-2.05984304E-094.54919289E-10
2.18202470E-14-2.10113156E-131.07030527E-10-2.05984304E-092.92639552E-09-1.08318614E-09
-1.76232241E-141.49385919E-13-4.40507796E-114.54919289E-10-1.08318614E-097.84232746E-10

Correlation matrix
1.00000000-0.525855830.16616018-0.083273160.17988515-0.28064999
-0.525855831.00000000-0.055296700.08508344-0.156867850.21544400
0.16616018-0.055296701.00000000-0.514980350.58368256-0.46405202
-0.083273160.08508344-0.514980351.00000000-0.923308620.39390468
0.17988515-0.156867850.58368256-0.923308621.00000000-0.71501326
-0.280649990.21544400-0.464052020.39390468-0.715013261.00000000