NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2012HF31 ∴ Orbital info ∴ Epoch 57970 MJD
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(420591) 2012HF31  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 420591.eq0)
Keplerian elements
(Epoch 57970.4 MJD)
Value 1-σ variation Units
a 1.55361 6.778e-09 au
e 0.442787 3.642e-08
i 9.103 6.048e-06 deg
Ω 325.806 3.467e-05 deg
ω 30.321 3.604e-05 deg
M 158.063 4.329e-06 deg
Other useful info
Absolute Magnitude (H)    19.5 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.8657 au
Aphelion distance 2.2415 au
Asc. node-Earth separation -0.10841 au
Desc. node-Earth separation 1.03569 au
Earth MOID 0.06759 au
Orbital period 707.31 days
Date of orbit computation   feb 26 13:13

Covariance matrix
4.59405288E-17-4.37962505E-172.84583300E-18-3.68172262E-144.36023838E-142.16488328E-15
-4.37962505E-171.32672667E-151.93595831E-14-1.90861768E-132.53823579E-149.35576918E-14
2.84583300E-181.93595831E-143.65743520E-11-1.04089111E-101.02080673E-10-2.21195871E-12
-3.68172262E-14-1.90861768E-13-1.04089111E-101.20181603E-09-1.22191733E-095.27202371E-11
4.36023838E-142.53823579E-141.02080673E-10-1.22191733E-091.29885378E-09-8.22511052E-11
2.16488328E-159.35576918E-14-2.21195871E-125.27202371E-11-8.22511052E-111.87423236E-11

Correlation matrix
1.00000000-0.177397790.00006943-0.156687400.178497490.07377764
-0.177397791.000000000.08788544-0.151150370.019335750.59330370
0.000069430.087885441.00000000-0.496475680.46835490-0.08448449
-0.15668740-0.15115037-0.496475681.00000000-0.978008650.35127451
0.178497490.019335750.46835490-0.978008651.00000000-0.52716904
0.073777640.59330370-0.084484490.35127451-0.527169041.00000000