AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 2008HL18 ∴ Orbital info ∴ Epoch epochXXX

(266580) 2008HL18 ▹

ORBITAL INFORMATION

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(ASCII data file 266580.eq0)

Keplerian elements at epoch
58203.8 MJD
	Value	1-σ variation	Units
a	2.4338	1.57e-08	au
e	0.042591	4.445e-08
i	8.264	5.498e-06	deg
Ω	119.419	3.455e-05	deg
ω	135.985	8.16e-05	deg
M	188.314	7.346e-05	deg

Other useful info
Absolute Magnitude (H)	16.7	mag
Slope parameter (G)	0.15	mag
Perihelion	2.3301	au
Aphelion	2.5375	au
Asc. node-Earth separation	1.52211	au
Desc. node-Earth separation	1.34218	au
Earth MOID	1.32212	au
Orbital period	1386.84	days
Date of orbit computation	apr 23 20:46

Correlation matrix
1.00000000	0.14140870	-0.01216241	-0.00264252	-0.15808369	0.17532312
0.14140870	1.00000000	-0.00420001	0.00722418	0.09040376	-0.08860245
-0.01216241	-0.00420001	1.00000000	0.19754444	-0.05945904	-0.02491451
-0.00264252	0.00722418	0.19754444	1.00000000	-0.42115470	0.00254144
-0.15808369	0.09040376	-0.05945904	-0.42115470	1.00000000	-0.90675500
0.17532312	-0.08860245	-0.02491451	0.00254144	-0.90675500	1.00000000

Covariance matrix
2.46404814E-16	9.86614097E-17	-1.04975095E-15	-1.43327059E-15	-2.02494399E-13	2.02156526E-13
9.86614097E-17	1.97557359E-15	-1.02645207E-15	1.10948294E-14	3.27894760E-13	-2.89278613E-13
-1.04975095E-15	-1.02645207E-15	3.02331968E-11	3.75311988E-11	-2.66784926E-11	-1.00627876E-11
-1.43327059E-15	1.10948294E-14	3.75311988E-11	1.19390891E-09	-1.18748633E-09	6.45044913E-12
-2.02494399E-13	3.27894760E-13	-2.66784926E-11	-1.18748633E-09	6.65890381E-09	-5.43519737E-09
2.02156526E-13	-2.89278613E-13	-1.00627876E-11	6.45044913E-12	-5.43519737E-09	5.39570229E-09