AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 1981EC45 ∴ Orbital info ∴ Epoch epochXXX

(39507) 1981EC45 ▹

ORBITAL INFORMATION

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(ASCII data file 39507.eq1)

Keplerian elements at epoch
60400.0 MJD
	Value	1-σ variation	Units
a	2.98273	1.688e-08	au
e	0.119522	4.009e-08
i	11.5	4.289e-06	deg
Ω	199.256	2.139e-05	deg
ω	200.191	2.864e-05	deg
M	258.665	1.843e-05	deg

Other useful info
Absolute Magnitude (H)	14.8	mag
Slope parameter (G)	0.15	mag
Perihelion	2.6262	au
Aphelion	3.3392	au
Asc. node-Earth separation	2.31006	au
Desc. node-Earth separation	1.64638	au
Earth MOID	1.63636	au
Orbital period	1881.57	days
Date of orbit computation	apr 23 19:54

Correlation matrix
1.00000000	0.24666827	0.01590644	-0.01240636	-0.06529204	-0.10869973
0.24666827	1.00000000	-0.01419590	0.00731530	0.03934017	-0.11687905
0.01590644	-0.01419590	1.00000000	0.05698707	-0.04523287	0.00213854
-0.01240636	0.00731530	0.05698707	1.00000000	-0.73041841	-0.00146735
-0.06529204	0.03934017	-0.04523287	-0.73041841	1.00000000	-0.65714706
-0.10869973	-0.11687905	0.00213854	-0.00146735	-0.65714706	1.00000000

Covariance matrix
2.84873069E-16	1.66911829E-16	1.15139483E-15	-4.47865666E-15	-3.15596286E-14	-3.38166348E-14
1.66911829E-16	1.60729746E-15	-2.44082424E-15	6.27275399E-15	4.51679399E-14	-8.63696222E-14
1.15139483E-15	-2.44082424E-15	1.83929411E-11	5.22732783E-12	-5.55553313E-12	1.69051395E-13
-4.47865666E-15	6.27275399E-15	5.22732783E-12	4.57462726E-10	-4.47399542E-10	-5.78480674E-13
-3.15596286E-14	4.51679399E-14	-5.55553313E-12	-4.47399542E-10	8.20147443E-10	-3.46884384E-10
-3.38166348E-14	-8.63696222E-14	1.69051395E-13	-5.78480674E-13	-3.46884384E-10	3.39744488E-10