AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 2001WW18 ∴ Orbital info ∴ Epoch epochXXX

(222581) 2001WW18 ▹

ORBITAL INFORMATION

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(ASCII data file 222581.eq1)

Keplerian elements at epoch
60400.0 MJD
	Value	1-σ variation	Units
a	2.56413	1.425e-08	au
e	0.264279	5.233e-08
i	4.402	6.054e-06	deg
Ω	27.742	6.677e-05	deg
ω	95.268	6.851e-05	deg
M	109.61	1.134e-05	deg

Other useful info
Absolute Magnitude (H)	16.9	mag
Slope parameter (G)	0.15	mag
Perihelion	1.8865	au
Aphelion	3.2418	au
Asc. node-Earth separation	1.44994	au
Desc. node-Earth separation	1.32419	au
Earth MOID	0.90865	au
Orbital period	1499.71	days
Date of orbit computation	apr 23 20:36

Correlation matrix
1.00000000	-0.42205494	0.00447991	0.01885353	-0.17111915	0.38728463
-0.42205494	1.00000000	-0.02499686	-0.00239563	0.15479587	-0.66986719
0.00447991	-0.02499686	1.00000000	-0.54245530	0.52037707	0.03887339
0.01885353	-0.00239563	-0.54245530	1.00000000	-0.97154856	-0.00517132
-0.17111915	0.15479587	0.52037707	-0.97154856	1.00000000	-0.21467767
0.38728463	-0.66986719	0.03887339	-0.00517132	-0.21467767	1.00000000

Covariance matrix
2.02993614E-16	-3.14666670E-16	3.86415045E-16	1.79357784E-14	-1.67035034E-13	6.25829768E-14
-3.14666670E-16	2.73830066E-15	-7.91899360E-15	-8.37042600E-15	5.54967686E-13	-3.97570401E-13
3.86415045E-16	-7.91899360E-15	3.66511680E-11	-2.19277621E-10	2.15838950E-10	2.66919990E-12
1.79357784E-14	-8.37042600E-15	-2.19277621E-10	4.45833701E-09	-4.44445706E-09	-3.91626882E-12
-1.67035034E-13	5.54967686E-13	2.15838950E-10	-4.44445706E-09	4.69391812E-09	-1.66816653E-10
6.25829768E-14	-3.97570401E-13	2.66919990E-12	-3.91626882E-12	-1.66816653E-10	1.28638078E-10