AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 1991OA ∴ Orbital info ∴ Epoch epochXXX

(6491) 1991OA ▹

ORBITAL INFORMATION

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(ASCII data file 6491.eq0)

Keplerian elements at epoch
54411.9 MJD
	Value	1-σ variation	Units
a	2.50137	7.44e-09	au
e	0.589529	4.147e-08
i	5.736	1.057e-05	deg
Ω	304.087	8.694e-05	deg
ω	320.61	8.819e-05	deg
M	44.347	1.022e-05	deg

Other useful info
Absolute Magnitude (H)	18.6	mag
Slope parameter (G)	0.15	mag
Perihelion	1.0267	au
Aphelion	3.976	au
Asc. node-Earth separation	0.10476	au
Desc. node-Earth separation	2.01302	au
Earth MOID	0.0468	au
Orbital period	1444.99	days
Date of orbit computation	apr 23 19:47

Correlation matrix
1.00000000	-0.23460126	0.43800551	0.38908553	-0.44132707	0.12231837
-0.23460126	1.00000000	-0.20816292	-0.18668800	0.16762795	-0.04449771
0.43800551	-0.20816292	1.00000000	0.52504239	-0.52944255	0.13305470
0.38908553	-0.18668800	0.52504239	1.00000000	-0.98871806	0.07809944
-0.44132707	0.16762795	-0.52944255	-0.98871806	1.00000000	-0.21081407
0.12231837	-0.04449771	0.13305470	0.07809944	-0.21081407	1.00000000

Covariance matrix
5.53558688E-17	-7.23818200E-17	3.44327828E-14	2.51674081E-13	-2.89569987E-13	9.30394742E-15
-7.23818200E-17	1.71962847E-15	-9.12076785E-14	-6.73046826E-13	6.13020343E-13	-1.88646484E-14
3.44327828E-14	-9.12076785E-14	1.11640411E-10	4.82299328E-10	-4.93333603E-10	1.43725780E-11
2.51674081E-13	-6.73046826E-13	4.82299328E-10	7.55828300E-09	-7.58045341E-09	6.94149845E-11
-2.89569987E-13	6.13020343E-13	-4.93333603E-10	-7.58045341E-09	7.77718237E-09	-1.90066013E-10
9.30394742E-15	-1.88646484E-14	1.43725780E-11	6.94149845E-11	-1.90066013E-10	1.04517127E-10