NEODyS

NEODyS-2

Near Earth Objects - Dynamic Site

NEODyS ∴ Objects ∴ 2012HJ31 ∴ Orbital info ∴ Epoch 60400 MJD

2012HJ31 ▹

ORBITAL INFORMATION

◲

(ASCII data file 2012HJ31.eq1)

Keplerian elements
(Epoch 60400.0 MJD)
	Value	1-σ variation	Units
a	2.39887	0.02437	au
e	0.586783	0.005252
i	5.66	0.04381	deg
Ω	223.15	0.1316	deg
ω	312.436	0.1683	deg
M	81.729	18.54	deg

Other useful info
Absolute Magnitude (H)	24.5	mag
Slope parameter (G)	0.15	mag
Perihelion distance	0.9913	au
Aphelion distance	3.8065	au
Asc. node-Earth separation	0.11867	au
Desc. node-Earth separation	1.61227	au
Earth MOID	0.04573	au
Orbital period	1357.09	days
Date of orbit computation	feb 26 10:46

Covariance matrix
5.93791494E-04	1.27974173E-04	1.06752457E-03	-3.20603478E-03	4.10161040E-03	-4.51849805E-01
1.27974173E-04	2.75810560E-05	2.30073052E-04	-6.90966097E-04	8.83976936E-04	-9.73828451E-02
1.06752457E-03	2.30073052E-04	1.91921764E-03	-5.76384068E-03	7.37399259E-03	-8.12340315E-01
-3.20603478E-03	-6.90966097E-04	-5.76384068E-03	1.73102232E-02	-2.21455947E-02	2.43965467E+00
4.10161040E-03	8.83976936E-04	7.37399259E-03	-2.21455947E-02	2.83329460E-02	-3.12114919E+00
-4.51849805E-01	-9.73828451E-02	-8.12340315E-01	2.43965467E+00	-3.12114919E+00	3.43838281E+02

Correlation matrix
1.00000000	0.99999977	0.99999719	-0.99999979	0.99998055	-1.00000000
0.99999977	1.00000000	0.99999584	-0.99999991	0.99997610	-0.99999977
0.99999719	0.99999584	1.00000000	-0.99999659	0.99998784	-0.99999719
-0.99999979	-0.99999991	-0.99999659	1.00000000	-0.99997731	0.99999979
0.99998055	0.99997610	0.99998784	-0.99997731	1.00000000	-0.99998054
-1.00000000	-0.99999977	-0.99999719	0.99999979	-0.99998054	1.00000000