AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 2008YW157 ∴ Orbital info ∴ Epoch epochXXX

(342920) 2008YW157 ▹

ORBITAL INFORMATION

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(ASCII data file 342920.eq0)

Keplerian elements at epoch
57972.2 MJD
	Value	1-σ variation	Units
a	3.1233	3.143e-08	au
e	0.075564	5.892e-08
i	9.955	6.171e-06	deg
Ω	136.653	2.807e-05	deg
ω	214.531	4.624e-05	deg
M	324.659	3.862e-05	deg

Other useful info
Absolute Magnitude (H)	15.6	mag
Slope parameter (G)	0.15	mag
Perihelion	2.8873	au
Aphelion	3.3593	au
Asc. node-Earth separation	2.32726	au
Desc. node-Earth separation	1.90973	au
Earth MOID	1.88576	au
Orbital period	2016.14	days
Date of orbit computation	apr 23 21:02

Correlation matrix
1.00000000	0.14107599	0.00188037	-0.00210741	0.13647869	-0.17562432
0.14107599	1.00000000	0.01227126	0.00476181	-0.03450461	0.00671548
0.00188037	0.01227126	1.00000000	0.16203343	-0.10963529	0.01705676
-0.00210741	0.00476181	0.16203343	1.00000000	-0.60129472	0.00366061
0.13647869	-0.03450461	-0.10963529	-0.60129472	1.00000000	-0.79624989
-0.17562432	0.00671548	0.01705676	0.00366061	-0.79624989	1.00000000

Covariance matrix
9.87672814E-16	2.61219554E-16	3.64667357E-16	-1.85914027E-15	1.98329814E-13	-2.13172725E-13
2.61219554E-16	3.47129911E-15	4.46150224E-15	7.87541798E-15	-9.40025766E-14	1.52814075E-14
3.64667357E-16	4.46150224E-15	3.80795847E-11	2.80676809E-11	-3.12833381E-11	4.06521115E-12
-1.85914027E-15	7.87541798E-15	2.80676809E-11	7.87973529E-10	-7.80476491E-10	3.96870997E-12
1.98329814E-13	-9.40025766E-14	-3.12833381E-11	-7.80476491E-10	2.13812572E-09	-1.42202237E-09
-2.13172725E-13	1.52814075E-14	4.06521115E-12	3.96870997E-12	-1.42202237E-09	1.49169778E-09