AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 1981ER16 ∴ Orbital info ∴ Epoch epochXXX

(73659) 1981ER16 ▹

ORBITAL INFORMATION

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(ASCII data file 73659.eq0)

Keplerian elements at epoch
57824.2 MJD
	Value	1-σ variation	Units
a	2.514	1.047e-08	au
e	0.097751	7.89e-08
i	11.809	7.268e-06	deg
Ω	341.318	2.037e-05	deg
ω	233.838	4.183e-05	deg
M	340.775	3.308e-05	deg

Other useful info
Absolute Magnitude (H)	15.7	mag
Slope parameter (G)	0.15	mag
Perihelion	2.2683	au
Aphelion	2.7597	au
Asc. node-Earth separation	1.63559	au
Desc. node-Earth separation	1.36317	au
Earth MOID	1.28595	au
Orbital period	1455.95	days
Date of orbit computation	apr 23 20:01

Correlation matrix
1.00000000	-0.08815211	0.02086452	-0.00229706	0.01812638	-0.01732955
-0.08815211	1.00000000	-0.04838940	0.02805474	-0.69865996	0.76525230
0.02086452	-0.04838940	1.00000000	0.44496216	-0.17007445	-0.04811582
-0.00229706	0.02805474	0.44496216	1.00000000	-0.48891768	0.01493713
0.01812638	-0.69865996	-0.17007445	-0.48891768	1.00000000	-0.87531869
-0.01732955	0.76525230	-0.04811582	0.01493713	-0.87531869	1.00000000

Covariance matrix
1.09697607E-16	-7.28454678E-17	1.58826443E-15	-4.90190182E-16	7.94172694E-15	-6.00441080E-15
-7.28454678E-17	6.22504522E-15	-2.77483647E-14	4.50994642E-14	-2.30591000E-12	1.99737850E-12
1.58826443E-15	-2.77483647E-14	5.28240691E-11	6.58920334E-11	-5.17082972E-11	-1.15688004E-11
-4.90190182E-16	4.50994642E-14	6.58920334E-11	4.15133526E-10	-4.16710925E-10	1.00680511E-11
7.94172694E-15	-2.30591000E-12	-5.17082972E-11	-4.16710925E-10	1.74988894E-09	-1.21131171E-09
-6.00441080E-15	1.99737850E-12	-1.15688004E-11	1.00680511E-11	-1.21131171E-09	1.09438200E-09