AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 1998ST40 ∴ Orbital info ∴ Epoch epochXXX

(200157) 1998ST40 ▹

ORBITAL INFORMATION

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(ASCII data file 200157.eq0)

Keplerian elements at epoch
57850.4 MJD
	Value	1-σ variation	Units
a	2.20192	7.722e-09	au
e	0.132008	4.984e-08
i	1.293	5.269e-06	deg
Ω	40.709	0.0001664	deg
ω	164.861	0.0001671	deg
M	32.222	1.405e-05	deg

Other useful info
Absolute Magnitude (H)	17.5	mag
Slope parameter (G)	0.15	mag
Perihelion	1.9112	au
Aphelion	2.4926	au
Asc. node-Earth separation	1.48857	au
Desc. node-Earth separation	0.9116	au
Earth MOID	0.90732	au
Orbital period	1193.44	days
Date of orbit computation	apr 23 20:31

Correlation matrix
1.00000000	-0.02201518	-0.00120786	0.00045889	-0.02048596	0.23859164
-0.02201518	1.00000000	-0.00728461	0.00096029	-0.00333741	0.04947843
-0.00120786	-0.00728461	1.00000000	-0.24086920	0.23992065	0.00123019
0.00045889	0.00096029	-0.24086920	1.00000000	-0.99588818	0.00240942
-0.02048596	-0.00333741	0.23992065	-0.99588818	1.00000000	-0.09101308
0.23859164	0.04947843	0.00123019	0.00240942	-0.09101308	1.00000000

Covariance matrix
5.96340068E-17	-8.47328490E-18	-4.91436154E-17	5.89831546E-16	-2.64273400E-14	2.58958553E-14
-8.47328490E-18	2.48407729E-15	-1.91290516E-15	7.96620501E-15	-2.77870194E-14	3.46598326E-14
-4.91436154E-17	-1.91290516E-15	2.77593108E-11	-2.11229110E-10	2.11165038E-10	9.10974224E-14
5.89831546E-16	7.96620501E-15	-2.11229110E-10	2.77036071E-08	-2.76903718E-08	5.63648986E-12
-2.64273400E-14	-2.77870194E-14	2.11165038E-10	-2.76903718E-08	2.79061615E-08	-2.13688877E-10
2.58958553E-14	3.46598326E-14	9.10974224E-14	5.63648986E-12	-2.13688877E-10	1.97540465E-10