NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2021HD ∴ Orbital info ∴ Epoch 60400 MJD
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ORBITAL INFORMATION
◲
(ASCII data file 2021HD.eq1)
Keplerian elements
(Epoch 60400.0 MJD)
Value 1-σ variation Units
a 0.913771 3.013e-05 au
e 0.327412 0.0002265
i 14.079 0.01253 deg
Ω 208.369 0.0009461 deg
ω 127.649 0.004925 deg
M 41.179 0.02773 deg
Other useful info
Absolute Magnitude (H)    26.3 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.6146 au
Aphelion distance 1.213 au
Asc. node-Earth separation 0.01547 au
Desc. node-Earth separation -0.31469 au
Earth MOID 0.00892 au
Orbital period 319.047 days
Date of orbit computation   feb 26 12:46

Covariance matrix
9.07886669E-106.63355534E-093.67046760E-07-2.76487496E-08-1.48207986E-07-8.14794804E-07
6.63355534E-095.13203755E-082.83809356E-06-2.14318066E-07-1.07009376E-06-5.62544182E-06
3.67046760E-072.83809356E-061.56954960E-04-1.18523151E-05-5.92164838E-05-3.11445603E-04
-2.76487496E-08-2.14318066E-07-1.18523151E-058.95135999E-074.45820805E-062.33993609E-05
-1.48207986E-07-1.07009376E-06-5.92164838E-054.45820805E-062.42518953E-051.34483063E-04
-8.14794804E-07-5.62544182E-06-3.11445603E-042.33993609E-051.34483063E-047.68958464E-04

Correlation matrix
1.000000000.971819530.97233978-0.96987366-0.99881015-0.97517148
0.971819531.000000000.99998681-0.99992945-0.95918875-0.89548906
0.972339780.999986811.00000000-0.99993358-0.95980333-0.89648544
-0.96987366-0.99992945-0.999933581.000000000.956848050.89188332
-0.99881015-0.95918875-0.959803330.956848051.000000000.98478927
-0.97517148-0.89548906-0.896485440.891883320.984789271.00000000