NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2021HD2 ∴ Orbital info ∴ Epoch 60600 MJD
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2021HD2  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 2021HD2.eq1)
Keplerian elements
(Epoch 60600.0 MJD)
Value 1-σ variation Units
a 2.14999 0.001271 au
e 0.532396 0.0002871
i 1.23 0.0005358 deg
Ω 175.602 0.001446 deg
ω 49.649 0.002508 deg
M 34.638 0.3532 deg
Other useful info
Absolute Magnitude (H)    27.1 mag
Slope parameter (G)    0.15 mag
Perihelion distance 1.0053 au
Aphelion distance 3.2946 au
Asc. node-Earth separation 0.15298 au
Desc. node-Earth separation 1.34515 au
Earth MOID 0.01485 au
Orbital period 1151.47 days
Date of orbit computation   Jul 29 13:01

Covariance matrix
1.61577178E-063.64994181E-076.79194976E-07-3.58630157E-072.43463403E-06-4.48965991E-04
3.64994181E-078.24502423E-081.53422488E-07-8.11569372E-085.50141617E-07-1.01419016E-04
6.79194976E-071.53422488E-072.87121444E-07-9.38239064E-089.58763655E-07-1.88722549E-04
-3.58630157E-07-8.11569372E-08-9.38239064E-082.09060724E-06-2.83071858E-069.97151233E-05
2.43463403E-065.50141617E-079.58763655E-07-2.83071858E-066.28914674E-06-6.76575140E-04
-4.48965991E-04-1.01419016E-04-1.88722549E-049.97151233E-05-6.76575140E-041.24751817E-01

Correlation matrix
1.000000000.999999910.99717559-0.195128440.76374401-0.99999999
0.999999911.000000000.99714941-0.195476010.76398119-0.99999996
0.997175590.997149411.00000000-0.121100090.71348177-0.99716618
-0.19512844-0.19547601-0.121100091.00000000-0.780664820.19525464
0.763744010.763981190.71348177-0.780664821.00000000-0.76383004
-0.99999999-0.99999996-0.997166180.19525464-0.763830041.00000000