NEODyS

NEODyS-2

Near Earth Objects - Dynamic Site

NEODyS ∴ Objects ∴ 2021HF ∴ Orbital info ∴ Epoch 60400 MJD

2021HF ▹

ORBITAL INFORMATION

◲

(ASCII data file 2021HF.eq1)

Keplerian elements
(Epoch 60400.0 MJD)
	Value	1-σ variation	Units
a	2.64061	0.001638	au
e	0.613855	0.0002339
i	26.691	0.007116	deg
Ω	54.323	0.0007856	deg
ω	114.618	0.004857	deg
M	257.021	0.2414	deg

Other useful info
Absolute Magnitude (H)	21.7	mag
Slope parameter (G)	0.15	mag
Perihelion distance	1.0197	au
Aphelion distance	4.2616	au
Asc. node-Earth separation	1.22317	au
Desc. node-Earth separation	0.2994	au
Earth MOID	0.21565	au
Orbital period	1567.31	days
Date of orbit computation	feb 26 12:20

Covariance matrix
2.68317999E-06	3.83120772E-07	1.16517418E-05	1.28622623E-06	7.95016139E-06	-3.95417650E-04
3.83120772E-07	5.47047385E-08	1.66360097E-06	1.83662787E-07	1.13505858E-06	-5.64601325E-05
1.16517418E-05	1.66360097E-06	5.06326579E-05	5.58298415E-06	3.45488352E-05	-1.71710655E-03
1.28622623E-06	1.83662787E-07	5.58298415E-06	6.17094419E-07	3.80860016E-06	-1.89549787E-04
7.95016139E-06	1.13505858E-06	3.45488352E-05	3.80860016E-06	2.35896558E-05	-1.17161010E-03
-3.95417650E-04	-5.64601325E-05	-1.71710655E-03	-1.89549787E-04	-1.17161010E-03	5.82723183E-02

Correlation matrix
1.00000000	0.99999614	0.99965602	0.99957791	0.99928700	-1.00000000
0.99999614	1.00000000	0.99958868	0.99961529	0.99918292	-0.99999602
0.99965602	0.99958868	1.00000000	0.99879238	0.99967135	-0.99965636
0.99957791	0.99961529	0.99879238	1.00000000	0.99822575	-0.99957720
0.99928700	0.99918292	0.99967135	0.99822575	1.00000000	-0.99928912
-1.00000000	-0.99999602	-0.99965636	-0.99957720	-0.99928912	1.00000000