AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 1981EP3 ∴ Orbital info ∴ Epoch epochXXX

(213001) 1981EP3 ▹

ORBITAL INFORMATION

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(ASCII data file 213001.eq1)

Keplerian elements at epoch
60400.0 MJD
	Value	1-σ variation	Units
a	3.16398	3.354e-08	au
e	0.154252	5.967e-08
i	9.104	5.92e-06	deg
Ω	228.178	3.716e-05	deg
ω	304.387	4.146e-05	deg
M	268.001	1.772e-05	deg

Other useful info
Absolute Magnitude (H)	15.9	mag
Slope parameter (G)	0.15	mag
Perihelion	2.6759	au
Aphelion	3.652	au
Asc. node-Earth separation	1.83175	au
Desc. node-Earth separation	2.39389	au
Earth MOID	1.69373	au
Orbital period	2055.65	days
Date of orbit computation	apr 23 20:34

Correlation matrix
1.00000000	0.52558562	-0.06059744	-0.04230926	-0.01716109	-0.23808378
0.52558562	1.00000000	-0.00230689	0.00337744	0.00370732	-0.15609636
-0.06059744	-0.00230689	1.00000000	-0.32675334	0.28596926	0.01811034
-0.04230926	0.00337744	-0.32675334	1.00000000	-0.88892737	0.01395843
-0.01716109	0.00370732	0.28596926	-0.88892737	1.00000000	-0.43338284
-0.23808378	-0.15609636	0.01811034	0.01395843	-0.43338284	1.00000000

Covariance matrix
1.12466855E-15	1.05181735E-15	-1.20308543E-14	-5.27262446E-14	-2.38619668E-14	-1.41488106E-13
1.05181735E-15	3.56097698E-15	-8.14970723E-16	7.48947931E-15	9.17262596E-15	-1.65065083E-13
-1.20308543E-14	-8.14970723E-16	3.50477210E-11	-7.18834792E-11	7.01937423E-11	1.89991585E-12
-5.27262446E-14	7.48947931E-15	-7.18834792E-11	1.38088761E-09	-1.36960268E-09	9.19165108E-12
-2.38619668E-14	9.17262596E-15	7.01937423E-11	-1.36960268E-09	1.71908875E-09	-3.18418802E-10
-1.41488106E-13	-1.65065083E-13	1.89991585E-12	9.19165108E-12	-3.18418802E-10	3.14018825E-10