NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2001HJ31 ∴ Orbital info ∴ Epoch 60400 MJD
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2001HJ31  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 2001HJ31.eq1)
Keplerian elements
(Epoch 60400.0 MJD)
Value 1-σ variation Units
a 2.06847 0.0161 au
e 0.587537 0.005541
i 2.841 0.007161 deg
Ω 20.689 2.472 deg
ω 132.623 1.856 deg
M 264.839 33.42 deg
Other useful info
Absolute Magnitude (H)    23.9 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.8532 au
Aphelion distance 3.2838 au
Asc. node-Earth separation 1.25361 au
Desc. node-Earth separation -0.03324 au
Earth MOID 0.0053 au
Orbital period 1086.61 days
Date of orbit computation   feb 26 10:23

Covariance matrix
2.59238223E-048.92077504E-051.14629400E-04-3.98091643E-022.98804021E-02-5.38038228E-01
8.92077504E-053.06985143E-053.94663794E-05-1.36987852E-021.02819476E-02-1.85146964E-01
1.14629400E-043.94663794E-055.12735350E-05-1.75987111E-021.32031656E-02-2.37907560E-01
-3.98091643E-02-1.36987852E-02-1.75987111E-026.11320630E+00-4.58856133E+008.26222839E+01
2.98804021E-021.02819476E-021.32031656E-02-4.58856133E+003.44423709E+00-6.20155578E+01
-5.38038228E-01-1.85146964E-01-2.37907560E-018.26222839E+01-6.20155578E+011.11667613E+03

Correlation matrix
1.000000000.999987080.99425978-0.999997740.99997789-1.00000000
0.999987081.000000000.99476839-0.999974330.99993136-0.99998688
0.994259780.994768391.00000000-0.994030490.99353900-0.99425549
-0.99999774-0.99997433-0.994030491.00000000-0.999989630.99999782
0.999977890.999931360.99353900-0.999989631.00000000-0.99997817
-1.00000000-0.99998688-0.994255490.99999782-0.999978171.00000000