AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 2008WD18 ∴ Orbital info ∴ Epoch epochXXX

(391953) 2008WD18 ▹

ORBITAL INFORMATION

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(ASCII data file 391953.eq0)

Keplerian elements at epoch
58216.1 MJD
	Value	1-σ variation	Units
a	2.58541	2.473e-08	au
e	0.166208	9.66e-08
i	3.581	1.088e-05	deg
Ω	2.017	0.0001249	deg
ω	120.175	0.000134	deg
M	34.955	3.954e-05	deg

Other useful info
Absolute Magnitude (H)	17.8	mag
Slope parameter (G)	0.15	mag
Perihelion	2.1557	au
Aphelion	3.0151	au
Asc. node-Earth separation	1.74022	au
Desc. node-Earth separation	1.32371	au
Earth MOID	1.17434	au
Orbital period	1518.42	days
Date of orbit computation	apr 23 21:13

Correlation matrix
1.00000000	-0.29517344	0.03084996	-0.02054091	-0.15917477	0.50455790
-0.29517344	1.00000000	-0.03328512	-0.00848785	0.23020471	-0.63262612
0.03084996	-0.03328512	1.00000000	-0.48495206	0.44077081	0.03174888
-0.02054091	-0.00848785	-0.48495206	1.00000000	-0.93278250	0.00672989
-0.15917477	0.23020471	0.44077081	-0.93278250	1.00000000	-0.36420222
0.50455790	-0.63262612	0.03174888	0.00672989	-0.36420222	1.00000000

Covariance matrix
6.11783223E-16	-7.05252187E-16	8.30391638E-15	-6.34556126E-14	-5.27695476E-13	4.93513291E-13
-7.05252187E-16	9.33118453E-15	-3.49903357E-14	-1.02404169E-13	2.98052625E-12	-2.41659887E-12
8.30391638E-15	-3.49903357E-14	1.18429298E-10	-6.59143555E-10	6.42913815E-10	1.36630300E-11
-6.34556126E-14	-1.02404169E-13	-6.59143555E-10	1.55992330E-08	-1.56150135E-08	3.32390304E-11
-5.27695476E-13	2.98052625E-12	6.42913815E-10	-1.56150135E-08	1.79647306E-08	-1.93037641E-09
4.93513291E-13	-2.41659887E-12	1.36630300E-11	3.32390304E-11	-1.93037641E-09	1.56378889E-09