NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2021WD4 ∴ Orbital info ∴ Epoch 60600 MJD
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2021WD4  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 2021WD4.eq1)
Keplerian elements
(Epoch 60600.0 MJD)
Value 1-σ variation Units
a 1.418 0.0002195 au
e 0.227026 9.04e-05
i 19.583 0.00532 deg
Ω 70.23 0.001906 deg
ω 34.509 0.00536 deg
M 226.373 0.1332 deg
Other useful info
Absolute Magnitude (H)    23.1 mag
Slope parameter (G)    0.15 mag
Perihelion distance 1.0961 au
Aphelion distance 1.7399 au
Asc. node-Earth separation 0.14746 au
Desc. node-Earth separation 0.64197 au
Earth MOID 0.14146 au
Orbital period 616.752 days
Date of orbit computation   Jul 29 13:18

Covariance matrix
4.81662196E-081.98315868E-081.16460841E-06-4.17069265E-07-1.17128712E-06-2.92251662E-05
1.98315868E-088.17293033E-094.78518332E-07-1.71336361E-07-4.81424652E-07-1.20331335E-05
1.16460841E-064.78518332E-072.83061057E-05-1.01414291E-05-2.83798853E-05-7.06640120E-04
-4.17069265E-07-1.71336361E-07-1.01414291E-053.63375751E-061.01661275E-052.53061202E-04
-1.17128712E-06-4.81424652E-07-2.83798853E-051.01661275E-052.87310858E-057.10560789E-04
-2.92251662E-05-1.20331335E-05-7.06640120E-042.53061202E-047.10560789E-041.77326339E-02

Correlation matrix
1.000000000.999533340.99739820-0.99691685-0.99567148-0.99999789
0.999533341.000000000.99487752-0.99422040-0.99348979-0.99954699
0.997398200.994877521.00000000-0.99995654-0.99516376-0.99740515
-0.99691685-0.99422040-0.999956541.000000000.994950700.99692152
-0.99567148-0.99348979-0.995163760.994950701.000000000.99549388
-0.99999789-0.99954699-0.997405150.996921520.995493881.00000000