AstDyS

AstDyS-2

Asteroids - Dynamic Site

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

(7920) 1981XM2 ▹

ORBITAL INFORMATION

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(ASCII data file 7920.eq1)

Keplerian elements at epoch
60400.0 MJD
	Value	1-σ variation	Units
a	2.59914	8.335e-09	au
e	0.106745	2.623e-08
i	10.806	2.878e-06	deg
Ω	258.001	1.402e-05	deg
ω	172.879	1.961e-05	deg
M	44.004	1.523e-05	deg

Other useful info
Absolute Magnitude (H)	13.4	mag
Slope parameter (G)	0.15	mag
Perihelion	2.3217	au
Aphelion	2.8766	au
Asc. node-Earth separation	1.85874	au
Desc. node-Earth separation	1.33938	au
Earth MOID	1.33715	au
Orbital period	1530.53	days
Date of orbit computation	apr 23 19:47

Correlation matrix
1.00000000	0.08927458	0.00684687	0.00762875	0.27730911	-0.53602253
0.08927458	1.00000000	0.00611016	0.01696372	-0.00863093	-0.04771630
0.00684687	0.00611016	1.00000000	-0.08867556	0.06925859	-0.01238713
0.00762875	0.01696372	-0.08867556	1.00000000	-0.70514507	0.00378003
0.27730911	-0.00863093	0.06925859	-0.70514507	1.00000000	-0.69600343
-0.53602253	-0.04771630	-0.01238713	0.00378003	-0.69600343	1.00000000

Covariance matrix
6.94654372E-17	1.95197568E-17	1.64222293E-16	8.91495624E-16	4.53210148E-14	-6.80395173E-14
1.95197568E-17	6.88215400E-16	4.61286477E-16	6.23971770E-15	-4.43987758E-15	-1.90643826E-14
1.64222293E-16	4.61286477E-16	8.28155314E-12	-3.57800915E-12	3.90823477E-12	-5.42900681E-13
8.91495624E-16	6.23971770E-15	-3.57800915E-12	1.96590807E-10	-1.93870251E-10	8.07180120E-13
4.53210148E-14	-4.43987758E-15	3.90823477E-12	-1.93870251E-10	3.84505180E-10	-2.07852987E-10
-6.80395173E-14	-1.90643826E-14	-5.42900681E-13	8.07180120E-13	-2.07852987E-10	2.31946372E-10