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.eq0)

Keplerian elements at epoch
58006.1 MJD
	Value	1-σ variation	Units
a	2.37409	9.096e-09	au
e	0.220397	4.408e-08
i	20.933	5.957e-06	deg
Ω	46.456	1.075e-05	deg
ω	229.733	1.587e-05	deg
M	331.297	1.137e-05	deg

Other useful info
Absolute Magnitude (H)	16.2	mag
Slope parameter (G)	0.15	mag
Perihelion	1.8508	au
Aphelion	2.8973	au
Asc. node-Earth separation	1.64342	au
Desc. node-Earth separation	0.96928	au
Earth MOID	0.89185	au
Orbital period	1336.11	days
Date of orbit computation	apr 23 20:39

Correlation matrix
1.00000000	-0.04416789	0.01505224	-0.00342999	0.02236161	-0.02955444
-0.04416789	1.00000000	-0.00098002	0.00840497	-0.30016820	0.46536005
0.01505224	-0.00098002	1.00000000	-0.02495302	0.03631741	-0.02318748
-0.00342999	0.00840497	-0.02495302	1.00000000	-0.62782961	0.00642397
0.02236161	-0.30016820	0.03631741	-0.62782961	1.00000000	-0.75143750
-0.02955444	0.46536005	-0.02318748	0.00642397	-0.75143750	1.00000000

Covariance matrix
8.27321240E-17	-1.77081760E-17	8.15570161E-16	-3.35377685E-16	3.22767350E-15	-3.05756353E-15
-1.77081760E-17	1.94294345E-15	-2.57328764E-16	3.98263568E-15	-2.09963660E-13	2.33310772E-13
8.15570161E-16	-2.57328764E-16	3.54851090E-11	-1.59790324E-12	3.43310709E-12	-1.57105801E-12
-3.35377685E-16	3.98263568E-15	-1.59790324E-12	1.15560256E-10	-1.07101467E-10	7.85458219E-13
3.22767350E-15	-2.09963660E-13	3.43310709E-12	-1.07101467E-10	2.51824948E-10	-1.35630652E-10
-3.05756353E-15	2.33310772E-13	-1.57105801E-12	7.85458219E-13	-1.35630652E-10	1.29369297E-10