AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 1999XA105 ∴ Orbital info ∴ Epoch epochXXX

(20721) 1999XA105 ▹

ORBITAL INFORMATION

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(ASCII data file 20721.eq1)

Keplerian elements at epoch
60400.0 MJD
	Value	1-σ variation	Units
a	3.0049	1.278e-08	au
e	0.080807	3.083e-08
i	10.923	3.131e-06	deg
Ω	171.97	1.736e-05	deg
ω	261.537	2.697e-05	deg
M	218.669	1.958e-05	deg

Other useful info
Absolute Magnitude (H)	13.0	mag
Slope parameter (G)	0.15	mag
Perihelion	2.7621	au
Aphelion	3.2477	au
Asc. node-Earth separation	2.02758	au
Desc. node-Earth separation	1.94502	au
Earth MOID	1.80341	au
Orbital period	1902.59	days
Date of orbit computation	apr 23 19:50

Correlation matrix
1.00000000	-0.05073118	0.02579076	0.00047648	-0.13149996	0.01548634
-0.05073118	1.00000000	-0.01720026	0.00189883	-0.13099567	0.17237550
0.02579076	-0.01720026	1.00000000	0.17600951	-0.11167875	-0.00194755
0.00047648	0.00189883	0.17600951	1.00000000	-0.63405543	0.00209077
-0.13149996	-0.13099567	-0.11167875	-0.63405543	1.00000000	-0.76051940
0.01548634	0.17237550	-0.00194755	0.00209077	-0.76051940	1.00000000

Covariance matrix
1.63241905E-16	-1.99828286E-17	1.03179362E-15	1.05687417E-16	-4.53139980E-14	3.87485438E-15
-1.99828286E-17	9.50456594E-16	-1.66040444E-15	1.01628783E-15	-1.08921601E-13	1.04071637E-13
1.03179362E-15	-1.66040444E-15	9.80450577E-12	9.56783198E-12	-9.43135999E-12	-1.19424455E-13
1.05687417E-16	1.01628783E-15	9.56783198E-12	3.01390189E-10	-2.96881207E-10	7.10823620E-13
-4.53139980E-14	-1.08921601E-13	-9.43135999E-12	-2.96881207E-10	7.27414327E-10	-4.01690836E-10
3.87485438E-15	1.04071637E-13	-1.19424455E-13	7.10823620E-13	-4.01690836E-10	3.83514165E-10