NEODyS

NEODyS-2

Near Earth Objects - Dynamic Site

NEODyS ∴ Objects ∴ 2021HF ∴ Orbital info ∴ Epoch 59333 MJD

2021HF ▹

ORBITAL INFORMATION

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(ASCII data file 2021HF.eq0)

Keplerian elements
(Epoch 59333.9 MJD)
	Value	1-σ variation	Units
a	2.63624	0.001652	au
e	0.616095	0.0002274
i	26.68	0.007204	deg
Ω	54.503	0.0004701	deg
ω	114.459	0.004948	deg
M	11.634	0.01205	deg

Other useful info
Absolute Magnitude (H)	21.7	mag
Slope parameter (G)	0.15	mag
Perihelion distance	1.0121	au
Aphelion distance	4.2604	au
Asc. node-Earth separation	1.20866	au
Desc. node-Earth separation	0.29216	au
Earth MOID	0.20983	au
Orbital period	1563.42	days
Date of orbit computation	feb 26 12:20

Covariance matrix
2.72781119E-06	3.75537490E-07	1.18949628E-05	7.75471603E-07	8.16658185E-06	-1.98985676E-05
3.75537490E-07	5.17006134E-08	1.63747388E-06	1.06766397E-07	1.12418127E-06	-2.73942591E-06
1.18949628E-05	1.63747388E-06	5.19041965E-05	3.37902377E-06	3.56367369E-05	-8.67710903E-05
7.75471603E-07	1.06766397E-07	3.37902377E-06	2.20978905E-07	2.31926063E-06	-5.65668987E-06
8.16658185E-06	1.12418127E-06	3.56367369E-05	2.31926063E-06	2.44829882E-05	-5.95757494E-05
-1.98985676E-05	-2.73942591E-06	-8.67710903E-05	-5.65668987E-06	-5.95757494E-05	1.45154494E-04

Correlation matrix
1.00000000	0.99999608	0.99966549	0.99881105	0.99931166	-0.99999866
0.99999608	1.00000000	0.99959782	0.99887543	0.99920888	-0.99999187
0.99966549	0.99959782	1.00000000	0.99773361	0.99968801	-0.99967441
0.99881105	0.99887543	0.99773361	1.00000000	0.99710739	-0.99878433
0.99931166	0.99920888	0.99968801	0.99710739	1.00000000	-0.99936022
-0.99999866	-0.99999187	-0.99967441	-0.99878433	-0.99936022	1.00000000