NEODyS

NEODyS-2

Near Earth Objects - Dynamic Site

NEODyS ∴ Objects ∴ 2021HD2 ∴ Orbital info ∴ Epoch 59324 MJD

2021HD2 ▹

ORBITAL INFORMATION

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(ASCII data file 2021HD2.eq0)

Keplerian elements
(Epoch 59324.4 MJD)
	Value	1-σ variation	Units
a	2.1596	0.00129	au
e	0.531779	0.0002788
i	1.24	0.0005082	deg
Ω	176.056	0.002026	deg
ω	49.165	0.003378	deg
M	356.169	0.003398	deg

Other useful info
Absolute Magnitude (H)	27.1	mag
Slope parameter (G)	0.15	mag
Perihelion distance	1.0112	au
Aphelion distance	3.308	au
Asc. node-Earth separation	0.15403	au
Desc. node-Earth separation	1.37105	au
Earth MOID	0.01605	au
Orbital period	1159.2	days
Date of orbit computation	feb 26 12:46

Covariance matrix
1.66487813E-06	3.59693143E-07	6.53635412E-07	-1.89913409E-06	3.84252167E-06	4.38398086E-06
3.59693143E-07	7.77109062E-08	1.41211771E-07	-4.10468351E-07	8.30363844E-07	9.47141170E-07
6.53635412E-07	1.41211771E-07	2.58247984E-07	-6.89564714E-07	1.44476523E-06	1.72315624E-06
-1.89913409E-06	-4.10468351E-07	-6.89564714E-07	4.10407706E-06	-6.59666974E-06	-4.93012972E-06
3.84252167E-06	8.30363844E-07	1.44476523E-06	-6.59666974E-06	1.14093377E-05	1.00342679E-05
4.38398086E-06	9.47141170E-07	1.72315624E-06	-4.93012972E-06	1.00342679E-05	1.15473476E-05

Correlation matrix
1.00000000	0.99999988	0.99684097	-0.72653519	0.88164731	0.99985335
0.99999988	1.00000000	0.99680784	-0.72682681	0.88185509	0.99984484
0.99684097	0.99680784	1.00000000	-0.66980565	0.84168307	0.99784955
-0.72653519	-0.72682681	-0.66980565	1.00000000	-0.96402162	-0.71615903
0.88164731	0.88185509	0.84168307	-0.96402162	1.00000000	0.87420715
0.99985335	0.99984484	0.99784955	-0.71615903	0.87420715	1.00000000