NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2012HF31 ∴ Orbital info ∴ Epoch 60400 MJD
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(420591) 2012HF31  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 420591.eq1)
Keplerian elements
(Epoch 60400.0 MJD)
Value 1-σ variation Units
a 1.55376 6.916e-09 au
e 0.442555 3.663e-08
i 9.105 6.043e-06 deg
Ω 325.72 3.464e-05 deg
ω 30.392 3.595e-05 deg
M 314.515 9.086e-06 deg
Other useful info
Absolute Magnitude (H)    19.5 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.8661 au
Aphelion distance 2.2414 au
Asc. node-Earth separation -0.10756 au
Desc. node-Earth separation 1.03383 au
Earth MOID 0.06717 au
Orbital period 707.417 days
Date of orbit computation   feb 26 13:13

Covariance matrix
4.78307763E-17-2.16343903E-176.48218480E-16-7.04424711E-147.55863393E-14-5.52258826E-14
-2.16343903E-171.34152324E-151.92016918E-14-1.98372505E-133.24105914E-141.25079548E-13
6.48218480E-161.92016918E-143.65213811E-11-1.03774893E-101.01751697E-10-2.96568074E-12
-7.04424711E-14-1.98372505E-13-1.03774893E-101.20026700E-09-1.21820298E-091.30726672E-10
7.55863393E-143.24105914E-141.01751697E-10-1.21820298E-091.29272734E-09-1.66752274E-10
-5.52258826E-141.25079548E-13-2.96568074E-121.30726672E-10-1.66752274E-108.25535252E-11

Correlation matrix
1.00000000-0.085406680.01550937-0.293996350.30397379-0.87886291
-0.085406681.000000000.08674946-0.156330400.024611290.37585418
0.015509370.086749461.00000000-0.495655310.46828969-0.05401110
-0.29399635-0.15633040-0.495655311.00000000-0.977973880.41529572
0.303973790.024611290.46828969-0.977973881.00000000-0.51044680
-0.878862910.37585418-0.054011100.41529572-0.510446801.00000000