AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 2001WS18 ∴ Orbital info ∴ Epoch epochXXX

(228542) 2001WS18 ▹

ORBITAL INFORMATION

◲

(ASCII data file 228542.eq1)

Keplerian elements at epoch
60400.0 MJD
	Value	1-σ variation	Units
a	2.56545	2.25e-08	au
e	0.24048	5.151e-08
i	2.354	5.699e-06	deg
Ω	258.122	0.0002474	deg
ω	148.553	0.0002514	deg
M	161.766	4.814e-05	deg

Other useful info
Absolute Magnitude (H)	17.4	mag
Slope parameter (G)	0.15	mag
Perihelion	1.9485	au
Aphelion	3.1824	au
Asc. node-Earth separation	2.02491	au
Desc. node-Earth separation	1.02195	au
Earth MOID	0.95896	au
Orbital period	1500.87	days
Date of orbit computation	apr 23 20:37

Correlation matrix
1.00000000	-0.23478375	0.03021719	-0.00243826	0.16087785	-0.92640296
-0.23478375	1.00000000	-0.02005164	0.00318987	-0.05697417	0.32902571
0.03021719	-0.02005164	1.00000000	0.39589217	-0.38394322	-0.03114097
-0.00243826	0.00318987	0.39589217	1.00000000	-0.98341821	0.00301393
0.16087785	-0.05697417	-0.38394322	-0.98341821	1.00000000	-0.18198166
-0.92640296	0.32902571	-0.03114097	0.00301393	-0.18198166	1.00000000

Covariance matrix
5.06458588E-16	-2.72146709E-16	3.87547490E-15	-1.35739578E-14	9.10367353E-13	-1.00364879E-12
-2.72146709E-16	2.65293230E-15	-5.88588703E-15	4.06434456E-14	-7.37886485E-13	8.15835848E-13
3.87547490E-15	-5.88588703E-15	3.24786373E-11	5.58124279E-10	-5.50192084E-10	-8.54359914E-12
-1.35739578E-14	4.06434456E-14	5.58124279E-10	6.11941911E-08	-6.11704656E-08	3.58919820E-11
9.10367353E-13	-7.37886485E-13	-5.50192084E-10	-6.11704656E-08	6.32261706E-08	-2.20285507E-09
-1.00364879E-12	8.15835848E-13	-8.54359914E-12	3.58919820E-11	-2.20285507E-09	2.31749988E-09