NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2021UD4 ∴ Orbital info ∴ Epoch 60600 MJD
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2021UD4  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 2021UD4.eq1)
Keplerian elements
(Epoch 60600.0 MJD)
Value 1-σ variation Units
a 1.33582 0.001385 au
e 0.304039 0.0008389
i 6.201 0.01422 deg
Ω 211.261 0.00112 deg
ω 124.473 0.006083 deg
M 5.412 1.141 deg
Other useful info
Absolute Magnitude (H)    26.5 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.9297 au
Aphelion distance 1.742 au
Asc. node-Earth separation 0.46105 au
Desc. node-Earth separation 0.03994 au
Earth MOID 0.01758 au
Orbital period 563.922 days
Date of orbit computation   Jul 29 13:10

Covariance matrix
1.91907001E-061.16215264E-061.96947180E-051.54278789E-06-8.41720525E-06-1.58042855E-03
1.16215264E-067.03780387E-071.19264768E-059.34100592E-07-5.09775918E-06-9.57077542E-04
1.96947180E-051.19264768E-052.02149675E-041.58526527E-05-8.63373997E-05-1.62193848E-02
1.54278789E-069.34100592E-071.58526527E-051.25347769E-06-6.73639230E-06-1.27055982E-03
-8.41720525E-06-5.09775918E-06-8.63373997E-05-6.73639230E-063.70011806E-056.93185691E-03
-1.58042855E-03-9.57077542E-04-1.62193848E-02-1.27055982E-036.93185691E-031.30154420E+00

Correlation matrix
1.000000000.999998120.999925940.99472379-0.99888322-0.99999999
0.999998121.000000000.999901140.99452742-0.99897115-0.99999789
0.999925940.999901141.000000000.99588024-0.99828524-0.99992723
0.994723790.994527420.995880241.00000000-0.98914799-0.99473489
-0.99888322-0.99897115-0.99828524-0.989147991.000000000.99887775
-0.99999999-0.99999789-0.99992723-0.994734890.998877751.00000000