AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ Westerlund ∴ Orbital info ∴ Epoch epochXXX

(2902) Westerlund ▹

ORBITAL INFORMATION

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(ASCII data file 2902.eq0)

Keplerian elements at epoch
57572.4 MJD
	Value	1-σ variation	Units
a	2.20364	4.845e-09	au
e	0.198296	2.913e-08
i	4.377	3.325e-06	deg
Ω	178.425	3.517e-05	deg
ω	158.884	3.597e-05	deg
M	242.86	7.175e-06	deg

Other useful info
Absolute Magnitude (H)	14.1	mag
Slope parameter (G)	0.15	mag
Perihelion	1.7667	au
Aphelion	2.6406	au
Asc. node-Earth separation	1.6009	au
Desc. node-Earth separation	0.78181	au
Earth MOID	0.75737	au
Orbital period	1194.84	days
Date of orbit computation	Jun 5 00:37

Correlation matrix
1.00000000	-0.04738569	-0.00030493	-0.00317129	-0.01170093	0.04801639
-0.04738569	1.00000000	-0.00605556	0.00286784	0.03548527	-0.20258099
-0.00030493	-0.00605556	1.00000000	0.01701188	-0.01715987	0.00277008
-0.00317129	0.00286784	0.01701188	1.00000000	-0.97618816	0.00261028
-0.01170093	0.03548527	-0.01715987	-0.97618816	1.00000000	-0.21032914
0.04801639	-0.20258099	0.00277008	0.00261028	-0.21032914	1.00000000

Covariance matrix
2.34744916E-17	-6.68747991E-18	-4.91174544E-18	-5.40442390E-16	-2.03915525E-15	1.66908839E-15
-6.68747991E-18	8.48465700E-16	-5.86416174E-16	2.93824274E-15	3.71789533E-14	-4.23357839E-14
-4.91174544E-18	-5.86416174E-16	1.10527102E-11	1.98930862E-12	-2.05201447E-12	6.60720651E-14
-5.40442390E-16	2.93824274E-15	1.98930862E-12	1.23717477E-09	-1.23503992E-09	6.58709466E-13
-2.03915525E-15	3.71789533E-14	-2.05201447E-12	-1.23503992E-09	1.29379022E-09	-5.42779133E-11
1.66908839E-15	-4.23357839E-14	6.60720651E-14	6.58709466E-13	-5.42779133E-11	5.14734794E-11