AstDyS

AstDyS-2

Asteroids - Dynamic Site

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

(391953) 2008WD18 ▹

ORBITAL INFORMATION

◲

(ASCII data file 391953.eq1)

Keplerian elements at epoch
60600.0 MJD
	Value	1-σ variation	Units
a	2.58319	2.51e-08	au
e	0.169522	9.735e-08
i	3.58	1.09e-05	deg
Ω	1.772	0.000125	deg
ω	120.701	0.0001335	deg
M	239.972	3.418e-05	deg

Other useful info
Absolute Magnitude (H)	17.8	mag
Slope parameter (G)	0.15	mag
Perihelion	2.1453	au
Aphelion	3.0211	au
Asc. node-Earth separation	1.74372	au
Desc. node-Earth separation	1.31446	au
Earth MOID	1.16468	au
Orbital period	1516.47	days
Date of orbit computation	Jul 26 10:31

Correlation matrix
1.00000000	-0.34676957	0.03569767	-0.02064256	-0.16332373	0.34678903
-0.34676957	1.00000000	-0.03534333	-0.00689076	0.22204819	-0.61857517
0.03569767	-0.03534333	1.00000000	-0.48621662	0.44412080	0.02885824
-0.02064256	-0.00689076	-0.48621662	1.00000000	-0.93664128	0.01047269
-0.16332373	0.22204819	0.44412080	-0.93664128	1.00000000	-0.35050294
0.34678903	-0.61857517	0.02885824	0.01047269	-0.35050294	1.00000000

Covariance matrix
6.30153667E-16	-8.47447419E-16	9.76519549E-15	-6.47568372E-14	-5.47253296E-13	2.97512470E-13
-8.47447419E-16	9.47757221E-15	-3.74950488E-14	-8.38329577E-14	2.88543730E-12	-2.05805808E-12
9.76519549E-15	-3.74950488E-14	1.18750581E-10	-6.62135069E-10	6.46003458E-10	1.07474209E-11
-6.47568372E-14	-8.38329577E-14	-6.62135069E-10	1.56170083E-08	-1.56238503E-08	4.47274189E-11
-5.47253296E-13	2.88543730E-12	6.46003458E-10	-1.56238503E-08	1.78168823E-08	-1.59891037E-09
2.97512470E-13	-2.05805808E-12	1.07474209E-11	4.47274189E-11	-1.59891037E-09	1.16797403E-09