AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 1999ST20 ∴ Orbital info ∴ Epoch epochXXX

(618392) 1999ST20 ▹

ORBITAL INFORMATION

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(ASCII data file 618392.eq1)

Keplerian elements at epoch
60400.0 MJD
	Value	1-σ variation	Units
a	2.204	1.278e-08	au
e	0.148055	7.009e-08
i	6.128	8.683e-06	deg
Ω	347.908	5.564e-05	deg
ω	61.722	7.162e-05	deg
M	135.897	3.592e-05	deg

Other useful info
Absolute Magnitude (H)	18.5	mag
Slope parameter (G)	0.15	mag
Perihelion	1.8777	au
Aphelion	2.5303	au
Asc. node-Earth separation	1.00805	au
Desc. node-Earth separation	1.32581	au
Earth MOID	0.89656	au
Orbital period	1195.13	days
Date of orbit computation	apr 23 21:59

Correlation matrix
1.00000000	-0.09857882	0.01077821	0.02052003	-0.19637723	0.16835801
-0.09857882	1.00000000	-0.04055612	-0.00292228	-0.27407387	0.49813771
0.01077821	-0.04055612	1.00000000	0.30719001	-0.22574081	-0.02310450
0.02052003	-0.00292228	0.30719001	1.00000000	-0.78738620	0.02478429
-0.19637723	-0.27407387	-0.22574081	-0.78738620	1.00000000	-0.62666496
0.16835801	0.49813771	-0.02310450	0.02478429	-0.62666496	1.00000000

Covariance matrix
1.63272025E-16	-8.82829044E-17	1.19589550E-15	1.45894048E-14	-1.79722065E-13	7.72744306E-14
-8.82829044E-17	4.91217919E-15	-2.46822303E-14	-1.13962481E-14	-1.37581202E-12	1.25410141E-12
1.19589550E-15	-2.46822303E-14	7.54018144E-11	1.48423133E-10	-1.40396197E-10	-7.20665407E-12
1.45894048E-14	-1.13962481E-14	1.48423133E-10	3.09604458E-09	-3.13794822E-09	4.95366090E-11
-1.79722065E-13	-1.37581202E-12	-1.40396197E-10	-3.13794822E-09	5.12989818E-09	-1.61226313E-09
7.72744306E-14	1.25410141E-12	-7.20665407E-12	4.95366090E-11	-1.61226313E-09	1.29030470E-09