AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 2008JJ18 ∴ Orbital info ∴ Epoch epochXXX

(301013) 2008JJ18 ▹

ORBITAL INFORMATION

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(ASCII data file 301013.eq0)

Keplerian elements at epoch
57916.2 MJD
	Value	1-σ variation	Units
a	5.22431	1.191e-07	au
e	0.053169	7.616e-08
i	7.887	6.422e-06	deg
Ω	145.801	5.027e-05	deg
ω	204.556	7.928e-05	deg
M	172.384	6.091e-05	deg

Other useful info
Absolute Magnitude (H)	13.4	mag
Slope parameter (G)	0.15	mag
Perihelion	4.9465	au
Aphelion	5.5021	au
Asc. node-Earth separation	4.48781	au
Desc. node-Earth separation	3.95744	au
Earth MOID	3.94167	au
Orbital period	4361.56	days
Date of orbit computation	apr 23 20:53

Correlation matrix
1.00000000	-0.39430303	-0.00367157	0.00449919	-0.03475674	0.02854981
-0.39430303	1.00000000	0.00132317	-0.00555857	0.14114711	-0.12972695
-0.00367157	0.00132317	1.00000000	0.15146417	-0.08447829	-0.01342510
0.00449919	-0.00555857	0.15146417	1.00000000	-0.63024140	0.00230022
-0.03475674	0.14114711	-0.08447829	-0.63024140	1.00000000	-0.77444511
0.02854981	-0.12972695	-0.01342510	0.00230022	-0.77444511	1.00000000

Covariance matrix
1.41917060E-14	-3.57738612E-15	-2.80870538E-15	2.69464362E-14	-3.28281423E-13	2.07172504E-13
-3.57738612E-15	5.80011751E-15	6.47099267E-16	-2.12829079E-14	8.52276286E-13	-6.01811158E-13
-2.80870538E-15	6.47099267E-16	4.12357920E-11	4.88985993E-11	-4.30102838E-11	-5.25129265E-12
2.69464362E-14	-2.12829079E-14	4.88985993E-11	2.52754360E-09	-2.51215411E-09	7.04417100E-12
-3.28281423E-13	8.52276286E-13	-4.30102838E-11	-2.51215411E-09	6.28608208E-09	-3.74017834E-09
2.07172504E-13	-6.01811158E-13	-5.25129265E-12	7.04417100E-12	-3.74017834E-09	3.71042183E-09