NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2021HC1 ∴ Orbital info ∴ Epoch 60600 MJD
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2021HC1  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 2021HC1.eq1)
Keplerian elements
(Epoch 60600.0 MJD)
Value 1-σ variation Units
a 1.15624 0.0003506 au
e 0.313016 0.000348
i 5.543 0.006073 deg
Ω 24.929 0.0005711 deg
ω 97.334 0.004743 deg
M 344.128 0.4992 deg
Other useful info
Absolute Magnitude (H)    28.1 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.7943 au
Aphelion distance 1.5182 au
Asc. node-Earth separation 0.09021 au
Desc. node-Earth separation 0.00148 au
Earth MOID 0.00048 au
Orbital period 454.12 days
Date of orbit computation   Jul 29 13:07

Covariance matrix
1.22946790E-071.21928703E-072.12506517E-06-1.81507760E-071.45715450E-06-1.75042014E-04
1.21928703E-071.21126169E-072.11300170E-06-1.76573398E-071.41218521E-06-1.73590102E-04
2.12506517E-062.11300170E-063.68815117E-05-3.04452323E-062.43062313E-05-3.02543642E-03
-1.81507760E-07-1.76573398E-07-3.04452323E-063.26167546E-07-2.69671490E-062.58456232E-04
1.45715450E-061.41218521E-062.43062313E-05-2.69671490E-062.24971890E-05-2.07496986E-03
-1.75042014E-04-1.73590102E-04-3.02543642E-032.58456232E-04-2.07496986E-032.49211144E-01

Correlation matrix
1.000000000.999144650.99795118-0.906392340.87615890-0.99999994
0.999144651.000000000.99971567-0.888353690.85547740-0.99913055
0.997951180.999715671.00000000-0.877797950.84381869-0.99792969
-0.90639234-0.88835369-0.877797951.00000000-0.995521250.90653151
0.876158900.855477400.84381869-0.995521251.00000000-0.87632244
-0.99999994-0.99913055-0.997929690.90653151-0.876322441.00000000