AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 1998WW20 ∴ Orbital info ∴ Epoch epochXXX

(25297) 1998WW20 ▹

ORBITAL INFORMATION

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(ASCII data file 25297.eq0)

Keplerian elements at epoch
57891.7 MJD
	Value	1-σ variation	Units
a	2.98483	1.688e-08	au
e	0.068904	4.592e-08
i	11.567	4.09e-06	deg
Ω	64.461	2.816e-05	deg
ω	173.191	5.435e-05	deg
M	27.38	4.795e-05	deg

Other useful info
Absolute Magnitude (H)	13.9	mag
Slope parameter (G)	0.15	mag
Perihelion	2.7792	au
Aphelion	3.1905	au
Asc. node-Earth separation	2.20204	au
Desc. node-Earth separation	1.76742	au
Earth MOID	1.76717	au
Orbital period	1883.55	days
Date of orbit computation	apr 23 19:51

Correlation matrix
1.00000000	-0.17204431	0.00119708	0.02185470	0.11602463	-0.15498222
-0.17204431	1.00000000	-0.01195254	0.01235390	-0.51450009	0.61220404
0.00119708	-0.01195254	1.00000000	-0.40565537	0.22054872	-0.01647737
0.02185470	0.01235390	-0.40565537	1.00000000	-0.51497001	0.01002139
0.11602463	-0.51450009	0.22054872	-0.51497001	1.00000000	-0.86014771
-0.15498222	0.61220404	-0.01647737	0.01002139	-0.86014771	1.00000000

Covariance matrix
2.84914971E-16	-1.33338767E-16	8.26362852E-17	1.03889881E-14	1.06445215E-13	-1.25438403E-13
-1.33338767E-16	2.10822511E-15	-2.24443435E-15	1.59747247E-14	-1.28399188E-12	1.34786283E-12
8.26362852E-17	-2.24443435E-15	1.67254066E-11	-4.67214532E-11	4.90242794E-11	-3.23122585E-12
1.03889881E-14	1.59747247E-14	-4.67214532E-11	7.93124803E-10	-7.88262798E-10	1.35328703E-11
1.06445215E-13	-1.28399188E-12	4.90242794E-11	-7.88262798E-10	2.95417796E-09	-2.24172521E-09
-1.25438403E-13	1.34786283E-12	-3.23122585E-12	1.35328703E-11	-2.24172521E-09	2.29922794E-09