NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2012HD20 ∴ Orbital info ∴ Epoch 60400 MJD
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2012HD20  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 2012HD20.eq1)
Keplerian elements
(Epoch 60400.0 MJD)
Value 1-σ variation Units
a 1.18114 2.135e-09 au
e 0.271544 2.474e-08
i 4.692 3.386e-06 deg
Ω 87.053 4.128e-05 deg
ω 32.098 5.419e-05 deg
M 176.609 2.912e-05 deg
Other useful info
Absolute Magnitude (H)    22.3 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.8604 au
Aphelion distance 1.5019 au
Asc. node-Earth separation -0.09367 au
Desc. node-Earth separation 0.40458 au
Earth MOID 0.04333 au
Orbital period 468.866 days
Date of orbit computation   feb 26 10:51

Covariance matrix
4.55819855E-18-2.78920668E-177.81168510E-16-3.43928151E-151.05268038E-14-1.74099555E-14
-2.78920668E-176.11898244E-16-4.59137639E-158.75585803E-14-2.10779372E-132.03400021E-13
7.81168510E-16-4.59137639E-151.14682314E-11-7.19399679E-111.07032618E-10-4.58315277E-11
-3.43928151E-158.75585803E-14-7.19399679E-111.70381565E-09-2.06515826E-094.66273532E-10
1.05268038E-14-2.10779372E-131.07032618E-10-2.06515826E-092.93622581E-09-1.11488925E-09
-1.74099555E-142.03400021E-13-4.58315277E-114.66273532E-10-1.11488925E-098.47905736E-10

Correlation matrix
1.00000000-0.528134420.10804381-0.039026520.09099241-0.28004463
-0.528134421.00000000-0.054809400.08575270-0.157251130.28238239
0.10804381-0.054809401.00000000-0.514648500.58327478-0.46477453
-0.039026520.08575270-0.514648501.00000000-0.923309510.38793206
0.09099241-0.157251130.58327478-0.923309511.00000000-0.70658305
-0.280044630.28238239-0.464774530.38793206-0.706583051.00000000