AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 1981XM2 ∴ Orbital info ∴ Epoch epochXXX

(7920) 1981XM2 ▹

ORBITAL INFORMATION

◲

(ASCII data file 7920.eq0)

Keplerian elements at epoch
58433.4 MJD
	Value	1-σ variation	Units
a	2.59933	8.227e-09	au
e	0.107718	2.608e-08
i	10.8	2.876e-06	deg
Ω	258.109	1.404e-05	deg
ω	173.87	1.959e-05	deg
M	300.488	1.414e-05	deg

Other useful info
Absolute Magnitude (H)	13.4	mag
Slope parameter (G)	0.15	mag
Perihelion	2.3193	au
Aphelion	2.8793	au
Asc. node-Earth separation	1.86086	au
Desc. node-Earth separation	1.33587	au
Earth MOID	1.3341	au
Orbital period	1530.7	days
Date of orbit computation	apr 23 19:47

Correlation matrix
1.00000000	0.08391602	0.01265232	0.00363729	0.26210179	-0.39501647
0.08391602	1.00000000	0.00405793	0.01641472	-0.00740304	-0.04136173
0.01265232	0.00405793	1.00000000	-0.08811968	0.06740964	-0.00992619
0.00363729	0.01641472	-0.08811968	1.00000000	-0.70684995	0.00514710
0.26210179	-0.00740304	0.06740964	-0.70684995	1.00000000	-0.70304119
-0.39501647	-0.04136173	-0.00992619	0.00514710	-0.70304119	1.00000000

Covariance matrix
6.76845990E-17	1.80053051E-17	2.99406543E-16	4.19986812E-16	4.22454791E-14	-4.59458996E-14
1.80053051E-17	6.80176054E-16	3.04411957E-16	6.00838129E-15	-3.78256060E-15	-1.52509179E-14
2.99406543E-16	3.04411957E-16	8.27355614E-12	-3.55739623E-12	3.79868643E-12	-4.03659683E-13
4.19986812E-16	6.00838129E-15	-3.55739623E-12	1.96981953E-10	-1.94359498E-10	1.02132135E-12
4.22454791E-14	-3.78256060E-15	3.79868643E-12	-1.94359498E-10	3.83822678E-10	-1.94729930E-10
-4.59458996E-14	-1.52509179E-14	-4.03659683E-13	1.02132135E-12	-1.94729930E-10	1.99881796E-10