AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 2012EF9 ∴ Orbital info ∴ Epoch epochXXX

(531102) 2012EF9 ▹

ORBITAL INFORMATION

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(ASCII data file 531102.eq0)

Keplerian elements at epoch
58012.7 MJD
	Value	1-σ variation	Units
a	2.3317	2.277e-08	au
e	0.239051	6.775e-08
i	21.934	1.432e-05	deg
Ω	196.084	1.738e-05	deg
ω	290.076	4.903e-05	deg
M	237.617	3.575e-05	deg

Other useful info
Absolute Magnitude (H)	18.4	mag
Slope parameter (G)	0.15	mag
Perihelion	1.7743	au
Aphelion	2.8891	au
Asc. node-Earth separation	1.03002	au
Desc. node-Earth separation	1.39596	au
Earth MOID	0.89046	au
Orbital period	1300.49	days
Date of orbit computation	apr 23 21:43

Correlation matrix
1.00000000	-0.49391501	0.03127743	0.01149118	-0.05553984	0.03105620
-0.49391501	1.00000000	-0.01381108	-0.06896101	0.45878280	-0.46348813
0.03127743	-0.01381108	1.00000000	0.31063213	-0.09437229	-0.01082903
0.01149118	-0.06896101	0.31063213	1.00000000	-0.44308933	0.12901648
-0.05553984	0.45878280	-0.09437229	-0.44308933	1.00000000	-0.93803800
0.03105620	-0.46348813	-0.01082903	0.12901648	-0.93803800	1.00000000

Covariance matrix
5.18409371E-16	-7.61946806E-16	1.01947175E-14	4.54601282E-15	-6.20056489E-14	2.52798328E-14
-7.61946806E-16	4.59062703E-15	-1.33958858E-14	-8.11837380E-14	1.52416976E-12	-1.12270080E-12
1.01947175E-14	-1.33958858E-14	2.04934663E-10	7.72651288E-11	-6.62433692E-11	-5.54225609E-12
4.54601282E-15	-8.11837380E-14	7.72651288E-11	3.01897063E-10	-3.77494777E-10	8.01427157E-11
-6.20056489E-14	1.52416976E-12	-6.62433692E-11	-3.77494777E-10	2.40425439E-09	-1.64437192E-09
2.52798328E-14	-1.12270080E-12	-5.54225609E-12	8.01427157E-11	-1.64437192E-09	1.27814118E-09