NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2021HY9 ∴ Orbital info ∴ Epoch 60400 MJD
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2021HY9  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 2021HY9.eq1)
Keplerian elements
(Epoch 60400.0 MJD)
Value 1-σ variation Units
a 2.07857 0.003297 au
e 0.519407 0.0007798
i 11.461 0.0108 deg
Ω 31.719 0.001048 deg
ω 196.943 0.001531 deg
M 348.567 0.8203 deg
Other useful info
Absolute Magnitude (H)    28.1 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.9989 au
Aphelion distance 3.1582 au
Asc. node-Earth separation 2.02285 au
Desc. node-Earth separation 0.00883 au
Earth MOID 0.00766 au
Orbital period 1094.57 days
Date of orbit computation   feb 26 12:17

Covariance matrix
1.08722887E-052.57111146E-063.56121859E-053.45596628E-06-5.00079716E-06-2.70477830E-03
2.57111146E-066.08024194E-078.42167864E-068.17277074E-07-1.18256264E-06-6.39634103E-04
3.56121859E-058.42167864E-061.16649036E-041.13199395E-05-1.63775072E-05-8.85950308E-03
3.45596628E-068.17277074E-071.13199395E-051.09857090E-06-1.58982346E-06-8.59765810E-04
-5.00079716E-06-1.18256264E-06-1.63775072E-05-1.58982346E-062.34435454E-061.24407370E-03
-2.70477830E-03-6.39634103E-04-8.85950308E-03-8.59765810E-041.24407370E-036.72887368E-01

Correlation matrix
1.000000000.999999970.999994400.99998840-0.99052880-1.00000000
0.999999971.000000000.999994610.99998812-0.99049452-0.99999998
0.999994400.999994611.000000000.99997579-0.99036567-0.99999447
0.999988400.999988120.999975791.00000000-0.99065676-0.99998834
-0.99052880-0.99049452-0.99036567-0.990656761.000000000.99052006
-1.00000000-0.99999998-0.99999447-0.999988340.990520061.00000000