NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2021UD4 ∴ Orbital info ∴ Epoch 60400 MJD
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2021UD4  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 2021UD4.eq1)
Keplerian elements
(Epoch 60400.0 MJD)
Value 1-σ variation Units
a 1.33579 0.001389 au
e 0.304072 0.000842
i 6.202 0.01422 deg
Ω 211.262 0.001073 deg
ω 124.476 0.006099 deg
M 237.733 0.9415 deg
Other useful info
Absolute Magnitude (H)    26.5 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.9296 au
Aphelion distance 1.742 au
Asc. node-Earth separation 0.45909 au
Desc. node-Earth separation 0.0406 au
Earth MOID 0.01788 au
Orbital period 563.903 days
Date of orbit computation   feb 26 12:29

Covariance matrix
1.93004039E-061.16976413E-061.97501404E-051.48151630E-06-8.46328943E-06-1.30804073E-03
1.16976413E-067.08976472E-071.19699454E-058.97738673E-07-5.12991176E-06-7.92780669E-04
1.97501404E-051.19699454E-052.02133510E-041.51799686E-05-8.65596944E-05-1.33852269E-02
1.48151630E-068.97738673E-071.51799686E-051.15042018E-06-6.46609320E-06-1.00407796E-03
-8.46328943E-06-5.12991176E-06-8.65596944E-05-6.46609320E-063.71943576E-055.73576290E-03
-1.30804073E-03-7.92780669E-04-1.33852269E-02-1.00407796E-035.73576290E-038.86494699E-01

Correlation matrix
1.000000000.999998130.999925930.99424860-0.99888953-0.99999999
0.999998131.000000000.999901220.99404439-0.99897691-0.99999786
0.999925930.999901221.000000000.99545921-0.99829300-0.99992749
0.994248600.994044390.995459211.00000000-0.98849661-0.99426263
-0.99888953-0.99897691-0.99829300-0.988496611.000000000.99888292
-0.99999999-0.99999786-0.99992749-0.994262630.998882921.00000000