NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2021HD3 ∴ Orbital info ∴ Epoch 60600 MJD
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2021HD3  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 2021HD3.eq1)
Keplerian elements
(Epoch 60600.0 MJD)
Value 1-σ variation Units
a 1.64354 0.0003551 au
e 0.390041 0.0001321
i 9.362 0.002355 deg
Ω 55.145 0.0004434 deg
ω 209.785 0.0004077 deg
M 211.436 0.1846 deg
Other useful info
Absolute Magnitude (H)    24.5 mag
Slope parameter (G)    0.15 mag
Perihelion distance 1.0025 au
Aphelion distance 2.2846 au
Asc. node-Earth separation 1.1179 au
Desc. node-Earth separation 0.03184 au
Earth MOID 0.02365 au
Orbital period 769.607 days
Date of orbit computation   Jul 29 13:13

Covariance matrix
1.26093774E-074.69032639E-088.36171081E-07-1.57366116E-071.43884391E-07-6.55542270E-05
4.69032639E-081.74466745E-083.11030995E-07-5.85351866E-085.35226659E-08-2.43842911E-05
8.36171081E-073.11030995E-075.54540790E-06-1.04382657E-069.54711690E-07-4.34712782E-04
-1.57366116E-07-5.85351866E-08-1.04382657E-061.96622281E-07-1.79895382E-078.18123351E-05
1.43884391E-075.35226659E-089.54711690E-07-1.79895382E-071.66198781E-07-7.48040610E-05
-6.55542270E-05-2.43842911E-05-4.34712782E-048.18123351E-05-7.48040610E-053.40806416E-02

Correlation matrix
1.000000000.999999800.99995757-0.999420010.99392346-1.00000000
0.999999801.000000000.99995531-0.999411430.99395676-0.99999983
0.999957570.999955311.00000000-0.999643700.99446974-0.99995805
-0.99942001-0.99941143-0.999643701.00000000-0.995152710.99942116
0.993923460.993956760.99446974-0.995152711.00000000-0.99393361
-1.00000000-0.99999983-0.999958050.99942116-0.993933611.00000000