AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 1999JL4 ∴ Orbital info ∴ Epoch epochXXX

(237430) 1999JL4 ▹

ORBITAL INFORMATION

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(ASCII data file 237430.eq1)

Keplerian elements at epoch
60400.0 MJD
	Value	1-σ variation	Units
a	2.37288	9.008e-09	au
e	0.221103	4.405e-08
i	20.942	5.959e-06	deg
Ω	46.409	1.075e-05	deg
ω	229.745	1.585e-05	deg
M	256.483	1.202e-05	deg

Other useful info
Absolute Magnitude (H)	16.2	mag
Slope parameter (G)	0.15	mag
Perihelion	1.8482	au
Aphelion	2.8975	au
Asc. node-Earth separation	1.64318	au
Desc. node-Earth separation	0.96568	au
Earth MOID	0.88843	au
Orbital period	1335.1	days
Date of orbit computation	apr 23 20:39

Correlation matrix
1.00000000	-0.05201588	0.01469161	0.00175503	0.03120149	-0.34786177
-0.05201588	1.00000000	-0.00240727	0.00744632	-0.30317235	0.45646412
0.01469161	-0.00240727	1.00000000	-0.02472227	0.03659171	-0.02611893
0.00175503	0.00744632	-0.02472227	1.00000000	-0.62764848	0.00641857
0.03120149	-0.30317235	0.03659171	-0.62764848	1.00000000	-0.71446878
-0.34786177	0.45646412	-0.02611893	0.00641857	-0.71446878	1.00000000

Covariance matrix
8.11496726E-17	-2.06424465E-17	7.88694808E-16	1.69883938E-16	4.45534007E-15	-3.76649953E-14
-2.06424465E-17	1.94072360E-15	-6.31978440E-16	3.52491479E-15	-2.11706203E-13	2.41699816E-13
7.88694808E-16	-6.31978440E-16	3.55134007E-11	-1.58310367E-12	3.45653542E-12	-1.87085187E-12
1.69883938E-16	3.52491479E-15	-1.58310367E-12	1.15464821E-10	-1.06906342E-10	8.28993444E-13
4.45534007E-15	-2.11706203E-13	3.45653542E-12	-1.06906342E-10	2.51260541E-10	-1.36123539E-10
-3.76649953E-14	2.41699816E-13	-1.87085187E-12	8.28993444E-13	-1.36123539E-10	1.44469330E-10