AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 1998SD90 ∴ Orbital info ∴ Epoch epochXXX

(159397) 1998SD90 ▹

ORBITAL INFORMATION

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(ASCII data file 159397.eq0)

Keplerian elements at epoch
57447.6 MJD
	Value	1-σ variation	Units
a	2.99364	2.125e-08	au
e	0.110823	6.604e-08
i	10.076	6.642e-06	deg
Ω	203.653	2.599e-05	deg
ω	199.4	3.492e-05	deg
M	100.997	2.175e-05	deg

Other useful info
Absolute Magnitude (H)	15.1	mag
Slope parameter (G)	0.15	mag
Perihelion	2.6619	au
Aphelion	3.3254	au
Asc. node-Earth separation	2.29902	au
Desc. node-Earth separation	1.68096	au
Earth MOID	1.67212	au
Orbital period	1891.9	days
Date of orbit computation	apr 23 20:22

Correlation matrix
1.00000000	0.49934624	0.00081260	0.00038689	-0.11246693	0.15367836
0.49934624	1.00000000	-0.00841764	0.00011561	-0.13042187	0.17925741
0.00081260	-0.00841764	1.00000000	0.11304560	-0.08596310	0.00419051
0.00038689	0.00011561	0.11304560	1.00000000	-0.73535295	0.00279245
-0.11246693	-0.13042187	-0.08596310	-0.73535295	1.00000000	-0.67102636
0.15367836	0.17925741	0.00419051	0.00279245	-0.67102636	1.00000000

Covariance matrix
4.51765872E-16	7.00938613E-16	1.14716562E-16	2.13736415E-16	-8.34716766E-14	7.10429568E-14
7.00938613E-16	4.36157133E-15	-3.69237982E-15	1.98445656E-16	-3.00766536E-13	2.57483977E-13
1.14716562E-16	-3.69237982E-15	4.41152787E-11	1.95155298E-11	-1.99372001E-11	6.05359384E-13
2.13736415E-16	1.98445656E-16	1.95155298E-11	6.75560599E-10	-6.67399044E-10	1.57859147E-12
-8.34716766E-14	-3.00766536E-13	-1.99372001E-11	-6.67399044E-10	1.21931292E-09	-5.09622704E-10
7.10429568E-14	2.57483977E-13	6.05359384E-13	1.57859147E-12	-5.09622704E-10	4.73045806E-10