NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2021HD3 ∴ Orbital info ∴ Epoch 60400 MJD
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2021HD3  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 2021HD3.eq1)
Keplerian elements
(Epoch 60400.0 MJD)
Value 1-σ variation Units
a 1.64382 0.0003536 au
e 0.38972 0.0001325
i 9.364 0.002361 deg
Ω 55.15 0.0004422 deg
ω 209.748 0.0003419 deg
M 117.969 0.1541 deg
Other useful info
Absolute Magnitude (H)    24.5 mag
Slope parameter (G)    0.15 mag
Perihelion distance 1.0032 au
Aphelion distance 2.2844 au
Asc. node-Earth separation 1.11903 au
Desc. node-Earth separation 0.03057 au
Earth MOID 0.02274 au
Orbital period 769.799 days
Date of orbit computation   feb 26 12:32

Covariance matrix
1.25016958E-074.68411218E-088.34612623E-07-1.56272159E-071.19854278E-07-5.45024095E-05
4.68411218E-081.75503514E-083.12710465E-07-5.85512712E-084.49085624E-08-2.04208623E-05
8.34612623E-073.12710465E-075.57234061E-06-1.04355005E-068.00711841E-07-3.63858039E-04
-1.56272159E-07-5.85512712E-08-1.04355005E-061.95569295E-07-1.50145103E-076.81285262E-05
1.19854278E-074.49085624E-088.00711841E-07-1.50145103E-071.16924298E-07-5.22524482E-05
-5.45024095E-05-2.04208623E-05-3.63858039E-046.81285262E-05-5.22524482E-052.37608780E-02

Correlation matrix
1.000000000.999999810.99995777-0.999417190.99132645-0.99999999
0.999999811.000000000.99995551-0.999408610.99136563-0.99999983
0.999957770.999955511.00000000-0.999641130.99198485-0.99995834
-0.99941719-0.99940861-0.999641131.00000000-0.992906720.99941858
0.991326450.991365630.99198485-0.992906721.00000000-0.99134088
-0.99999999-0.99999983-0.999958340.99941858-0.991340881.00000000