NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2021HK ∴ Orbital info ∴ Epoch 60400 MJD
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ORBITAL INFORMATION
◲
(ASCII data file 2021HK.eq1)
Keplerian elements
(Epoch 60400.0 MJD)
Value 1-σ variation Units
a 1.77231 0.001545 au
e 0.484501 0.0004727
i 0.886 0.0008421 deg
Ω 80.366 0.005369 deg
ω 79.807 0.005814 deg
M 105.641 0.6124 deg
Other useful info
Absolute Magnitude (H)    26.5 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.9136 au
Aphelion distance 2.631 au
Asc. node-Earth separation 0.26796 au
Desc. node-Earth separation 0.46438 au
Earth MOID 0.01007 au
Orbital period 861.802 days
Date of orbit computation   feb 26 12:37

Covariance matrix
2.38644345E-067.30203094E-071.29980472E-06-7.36452074E-068.04688794E-06-9.46080347E-04
7.30203094E-072.23427462E-073.97701424E-07-2.25253222E-062.46126015E-06-2.89481303E-04
1.29980472E-063.97701424E-077.09184246E-07-4.09752865E-064.47307343E-06-5.15294783E-04
-7.36452074E-06-2.25253222E-06-4.09752865E-062.88297302E-05-3.12080890E-052.91965031E-03
8.04688794E-062.46126015E-064.47307343E-06-3.12080890E-053.38028131E-05-3.19017279E-03
-9.46080347E-04-2.89481303E-04-5.15294783E-042.91965031E-03-3.19017279E-033.75063581E-01

Correlation matrix
1.000000000.999999580.99913229-0.887868460.89593388-1.00000000
0.999999581.000000000.99910085-0.887528780.89559739-0.99999953
0.999132290.999100851.00000000-0.906196060.91358733-0.99913405
-0.88786846-0.88752878-0.906196061.00000000-0.999701780.88788783
0.895933880.895597390.91358733-0.999701781.00000000-0.89595322
-1.00000000-0.99999953-0.999134050.88788783-0.895953221.00000000