NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2021HJ ∴ Orbital info ∴ Epoch 59323 MJD
Contact »
2021HJ  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 2021HJ.eq0)
Keplerian elements
(Epoch 59323.0 MJD)
Value 1-σ variation Units
a 1.69764 0.002207 au
e 0.39784 0.0007441
i 6.303 0.00986 deg
Ω 221.641 0.004031 deg
ω 301.221 0.007926 deg
M 18.553 0.04082 deg
Other useful info
Absolute Magnitude (H)    25.3 mag
Slope parameter (G)    0.15 mag
Perihelion distance 1.0223 au
Aphelion distance 2.373 au
Asc. node-Earth separation 0.17699 au
Desc. node-Earth separation 0.80784 au
Earth MOID 0.08122 au
Orbital period 807.917 days
Date of orbit computation   Jul 29 13:26

Covariance matrix
4.87192490E-061.64240739E-062.17634055E-05-8.89271111E-061.72441354E-05-9.00996942E-05
1.64240739E-065.53694518E-077.33663931E-06-2.99769517E-065.80878185E-06-3.03726665E-05
2.17634055E-057.33663931E-069.72240551E-05-3.97316328E-057.70992429E-05-4.02505083E-04
-8.89271111E-06-2.99769517E-06-3.97316328E-051.62454373E-05-3.15581267E-051.64481724E-04
1.72441354E-055.80878185E-067.70992429E-05-3.15581267E-056.28171294E-05-3.19477730E-04
-9.00996942E-05-3.03726665E-05-4.02505083E-041.64481724E-04-3.19477730E-041.66645666E-03

Correlation matrix
1.000000000.999989610.99997627-0.999581450.98571664-0.99994477
0.999989611.000000000.99994288-0.999508870.98494258-0.99988672
0.999976270.999942881.00000000-0.999732580.98656159-0.99997120
-0.99958145-0.99950887-0.999732581.00000000-0.987885180.99966603
0.985716640.984942580.98656159-0.987885181.00000000-0.98742595
-0.99994477-0.99988672-0.999971200.99966603-0.987425951.00000000