NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2012HL31 ∴ Orbital info ∴ Epoch 59087 MJD
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2012HL31  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 2012HL31.eq0)
Keplerian elements
(Epoch 59087.6 MJD)
Value 1-σ variation Units
a 0.887631 7.204e-09 au
e 0.374083 7.766e-07
i 19.807 4.242e-05 deg
Ω 37.505 1.345e-05 deg
ω 17.519 1.255e-05 deg
M 132.729 8.701e-05 deg
Other useful info
Absolute Magnitude (H)    22.5 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.5556 au
Aphelion distance 1.2197 au
Asc. node-Earth separation -0.42974 au
Desc. node-Earth separation 0.17991 au
Earth MOID 0.14536 au
Orbital period 305.455 days
Date of orbit computation   Jul 29 11:31

Covariance matrix
5.19046010E-175.41465378E-152.47280588E-13-5.56946040E-142.69990840E-14-5.76825574E-13
5.41465378E-156.03061478E-132.46645821E-11-5.53589608E-123.76428334E-12-6.63378314E-11
2.47280588E-132.46645821E-111.79916957E-09-4.62136611E-101.20961326E-10-2.34912216E-09
-5.56946040E-14-5.53589608E-12-4.62136611E-101.80768136E-10-9.72699243E-115.23763087E-10
2.69990840E-143.76428334E-121.20961326E-10-9.72699243E-111.57414517E-10-5.20769795E-10
-5.76825574E-13-6.63378314E-11-2.34912216E-095.23763087E-10-5.20769795E-107.57133184E-09

Correlation matrix
1.000000000.967803010.80919101-0.574975380.29869208-0.92014324
0.967803011.000000000.74878462-0.530207900.38634840-0.98173514
0.809191010.748784621.00000000-0.810351400.22729407-0.63647802
-0.57497538-0.53020790-0.810351401.00000000-0.576627360.44770073
0.298692080.386348400.22729407-0.576627361.00000000-0.47702073
-0.92014324-0.98173514-0.636478020.44770073-0.477020731.00000000