AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 2001EM4 ∴ Orbital info ∴ Epoch epochXXX

(72555) 2001EM4 ▹

ORBITAL INFORMATION

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(ASCII data file 72555.eq0)

Keplerian elements at epoch
57778.4 MJD
	Value	1-σ variation	Units
a	2.77104	1.319e-08	au
e	0.105112	4.22e-08
i	5.46	5.084e-06	deg
Ω	13.079	4.16e-05	deg
ω	140.097	4.724e-05	deg
M	171.159	2.195e-05	deg

Other useful info
Absolute Magnitude (H)	15.3	mag
Slope parameter (G)	0.15	mag
Perihelion	2.4798	au
Aphelion	3.0623	au
Asc. node-Earth separation	1.9803	au
Desc. node-Earth separation	1.53548	au
Earth MOID	1.49249	au
Orbital period	1684.85	days
Date of orbit computation	apr 23 20:01

Correlation matrix
1.00000000	0.00563609	-0.00053624	0.00617163	0.09224193	-0.21091664
0.00563609	1.00000000	-0.00781248	0.00144315	0.11829697	-0.23726700
-0.00053624	-0.00781248	1.00000000	-0.02845439	0.02125157	0.00746459
0.00617163	0.00144315	-0.02845439	1.00000000	-0.87637662	0.00381091
0.09224193	0.11829697	0.02125157	-0.87637662	1.00000000	-0.47990916
-0.21091664	-0.23726700	0.00746459	0.00381091	-0.47990916	1.00000000

Covariance matrix
1.73934785E-16	3.13708647E-18	-3.59561655E-17	3.38615367E-15	5.74688792E-14	-6.10651808E-14
3.13708647E-18	1.78119265E-15	-1.67635258E-15	2.53384061E-15	2.35852347E-13	-2.19827670E-13
-3.59561655E-17	-1.67635258E-15	2.58489280E-11	-6.01844551E-12	5.10415016E-12	8.33137375E-13
3.38615367E-15	2.53384061E-15	-6.01844551E-12	1.73072287E-09	-1.72232735E-09	3.48042135E-12
5.74688792E-14	2.35852347E-13	5.10415016E-12	-1.72232735E-09	2.23163052E-09	-4.97690962E-10
-6.10651808E-14	-2.19827670E-13	8.33137375E-13	3.48042135E-12	-4.97690962E-10	4.81924657E-10