AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 1981EA33 ∴ Orbital info ∴ Epoch epochXXX

(178285) 1981EA33 ▹

ORBITAL INFORMATION

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(ASCII data file 178285.eq1)

Keplerian elements at epoch
60400.0 MJD
	Value	1-σ variation	Units
a	2.71785	1.632e-08	au
e	0.146826	5.87e-08
i	12.328	6.692e-06	deg
Ω	337.347	2.046e-05	deg
ω	145.836	2.831e-05	deg
M	257.874	1.686e-05	deg

Other useful info
Absolute Magnitude (H)	16.0	mag
Slope parameter (G)	0.15	mag
Perihelion	2.3188	au
Aphelion	3.1169	au
Asc. node-Earth separation	2.01788	au
Desc. node-Earth separation	1.38137	au
Earth MOID	1.34441	au
Orbital period	1636.58	days
Date of orbit computation	Jun 5 01:15

Correlation matrix
1.00000000	-0.12145533	0.01810259	-0.00335536	-0.13841413	-0.05066143
-0.12145533	1.00000000	-0.03697851	-0.02375617	0.30060309	-0.37130441
0.01810259	-0.03697851	1.00000000	-0.18583213	0.11056362	0.02639256
-0.00335536	-0.02375617	-0.18583213	1.00000000	-0.70823168	0.00992431
-0.13841413	0.30060309	0.11056362	-0.70823168	1.00000000	-0.67765352
-0.05066143	-0.37130441	0.02639256	0.00992431	-0.67765352	1.00000000

Covariance matrix
2.66312558E-16	-1.16348404E-16	1.97687622E-15	-1.12010674E-15	-6.39446335E-14	-1.39416073E-14
-1.16348404E-16	3.44584759E-15	-1.45258140E-14	-2.85265635E-14	4.99538935E-13	-3.67551080E-13
1.97687622E-15	-1.45258140E-14	4.47802036E-11	-2.54383409E-11	2.09451349E-11	2.97827019E-12
-1.12010674E-15	-2.85265635E-14	-2.54383409E-11	4.18456087E-10	-4.10136256E-10	3.42345553E-12
-6.39446335E-14	4.99538935E-13	2.09451349E-11	-4.10136256E-10	8.01411802E-10	-3.23500633E-10
-1.39416073E-14	-3.67551080E-13	2.97827019E-12	3.42345553E-12	-3.23500633E-10	2.84366961E-10