AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 2009XB21 ∴ Orbital info ∴ Epoch epochXXX

(369434) 2009XB21 ▹

ORBITAL INFORMATION

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(ASCII data file 369434.eq0)

Keplerian elements at epoch
57500.6 MJD
	Value	1-σ variation	Units
a	2.86283	2.451e-08	au
e	0.219695	5.272e-08
i	0.931	6.571e-06	deg
Ω	230.556	0.0005607	deg
ω	198.421	0.000561	deg
M	139.001	2.42e-05	deg

Other useful info
Absolute Magnitude (H)	17.0	mag
Slope parameter (G)	0.15	mag
Perihelion	2.2339	au
Aphelion	3.4918	au
Asc. node-Earth separation	2.43255	au
Desc. node-Earth separation	1.26655	au
Earth MOID	1.24925	au
Orbital period	1769.27	days
Date of orbit computation	apr 23 21:08

Correlation matrix
1.00000000	-0.16610000	0.00202016	0.02581856	-0.02093098	-0.09541395
-0.16610000	1.00000000	-0.00586456	0.01612700	-0.02863071	0.19765801
0.00202016	-0.00586456	1.00000000	-0.31962998	0.31902639	0.00530284
0.02581856	0.01612700	-0.31962998	1.00000000	-0.99863584	-0.01944500
-0.02093098	-0.02863071	0.31902639	-0.99863584	1.00000000	-0.03184662
-0.09541395	0.19765801	0.00530284	-0.01944500	-0.03184662	1.00000000

Covariance matrix
6.00760733E-16	-2.14627030E-16	3.25383837E-16	3.54820104E-13	-2.87798544E-13	-5.66025002E-14
-2.14627030E-16	2.77925267E-15	-2.03169203E-15	4.76697668E-13	-8.46728856E-13	2.52203660E-13
3.25383837E-16	-2.03169203E-15	4.31834556E-11	-1.17769186E-09	1.17607099E-09	8.43412622E-13
3.54820104E-13	4.76697668E-13	-1.17769186E-09	3.14377126E-07	-3.14109342E-07	-2.63879887E-10
-2.87798544E-13	-8.46728856E-13	1.17607099E-09	-3.14109342E-07	3.14699805E-07	-4.32398810E-10
-5.66025002E-14	2.52203660E-13	8.43412622E-13	-2.63879887E-10	-4.32398810E-10	5.85795345E-10