NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2012HL31 ∴ Orbital info ∴ Epoch 60600 MJD
Contact »
2012HL31  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 2012HL31.eq1)
Keplerian elements
(Epoch 60600.0 MJD)
Value 1-σ variation Units
a 0.887663 6.355e-09 au
e 0.37407 7.771e-07
i 19.81 4.24e-05 deg
Ω 37.486 1.342e-05 deg
ω 17.539 1.257e-05 deg
M 115.085 0.0001061 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 -0.43004 au
Desc. node-Earth separation 0.18187 au
Earth MOID 0.14662 au
Orbital period 305.471 days
Date of orbit computation   Jul 29 11:31

Covariance matrix
4.03823322E-174.72913201E-152.20106942E-13-4.96381585E-142.29014271E-14-6.30933323E-13
4.72913201E-156.03832426E-132.46733034E-11-5.53102192E-123.79896143E-12-8.17512300E-11
2.20106942E-132.46733034E-111.79806489E-09-4.60676116E-101.21167027E-10-3.05376135E-09
-4.96381585E-14-5.53102192E-12-4.60676116E-101.80038213E-10-9.72473192E-116.81986133E-10
2.29014271E-143.79896143E-121.21167027E-10-9.72473192E-111.57937084E-10-6.01106219E-10
-6.30933323E-13-8.17512300E-11-3.05376135E-096.81986133E-10-6.01106219E-101.12592871E-08

Correlation matrix
1.000000000.957695670.81683693-0.582153640.28676411-0.93569072
0.957695671.000000000.74880098-0.530474870.38901344-0.99147241
0.816836930.748800981.00000000-0.809674890.22737343-0.67869862
-0.58215364-0.53047487-0.809674891.00000000-0.576704360.47900247
0.286764110.389013440.22737343-0.576704361.00000000-0.45076866
-0.93569072-0.99147241-0.678698620.47900247-0.450768661.00000000