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.eq0)

Keplerian elements at epoch
58516.1 MJD
	Value	1-σ variation	Units
a	2.20347	1.293e-08	au
e	0.148208	6.956e-08
i	6.13	8.683e-06	deg
Ω	347.92	5.563e-05	deg
ω	62.013	7.169e-05	deg
M	288.006	3.725e-05	deg

Other useful info
Absolute Magnitude (H)	18.5	mag
Slope parameter (G)	0.15	mag
Perihelion	1.8769	au
Aphelion	2.53	au
Asc. node-Earth separation	1.00691	au
Desc. node-Earth separation	1.32317	au
Earth MOID	0.89466	au
Orbital period	1194.7	days
Date of orbit computation	apr 23 21:59

Correlation matrix
1.00000000	-0.09155345	0.01022598	0.02102693	-0.21284670	0.32133381
-0.09155345	1.00000000	-0.04064874	-0.00310437	-0.27057205	0.46255092
0.01022598	-0.04064874	1.00000000	0.30671170	-0.22495202	-0.02106578
0.02102693	-0.00310437	0.30671170	1.00000000	-0.78635829	0.02660543
-0.21284670	-0.27057205	-0.22495202	-0.78635829	1.00000000	-0.63457781
0.32133381	0.46255092	-0.02106578	0.02660543	-0.63457781	1.00000000

Covariance matrix
1.67181320E-16	-8.23417309E-17	1.14807707E-15	1.51234843E-14	-1.97302637E-13	1.54775674E-13
-8.23417309E-17	4.83841164E-15	-2.45510838E-14	-1.20117606E-14	-1.34929350E-12	1.19856991E-12
1.14807707E-15	-2.45510838E-14	7.53952975E-11	1.48144147E-10	-1.40034200E-10	-6.81399923E-12
1.51234843E-14	-1.20117606E-14	1.48144147E-10	3.09431172E-09	-3.13598946E-09	5.51321240E-11
-1.97302637E-13	-1.34929350E-12	-1.40034200E-10	-3.13598946E-09	5.13977588E-09	-1.69476458E-09
1.54775674E-13	1.19856991E-12	-6.81399923E-12	5.51321240E-11	-1.69476458E-09	1.38772949E-09