AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 2001YW81 ∴ Orbital info ∴ Epoch epochXXX

(146808) 2001YW81 ▹

ORBITAL INFORMATION

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(ASCII data file 146808.eq0)

Keplerian elements at epoch
57999.7 MJD
	Value	1-σ variation	Units
a	2.99087	1.725e-08	au
e	0.095797	3.932e-08
i	11.022	4.413e-06	deg
Ω	96.446	2.357e-05	deg
ω	261.11	3.423e-05	deg
M	112.733	2.454e-05	deg

Other useful info
Absolute Magnitude (H)	15.1	mag
Slope parameter (G)	0.15	mag
Perihelion	2.7044	au
Aphelion	3.2774	au
Asc. node-Earth separation	2.02576	au
Desc. node-Earth separation	1.90391	au
Earth MOID	1.72701	au
Orbital period	1889.28	days
Date of orbit computation	Jul 26 09:34

Correlation matrix
1.00000000	0.05911075	0.00852845	-0.00166957	0.03696041	-0.05548476
0.05911075	1.00000000	-0.00043619	-0.00316323	0.16802536	-0.24348593
0.00852845	-0.00043619	1.00000000	-0.21974173	0.15711223	-0.00919657
-0.00166957	-0.00316323	-0.21974173	1.00000000	-0.68318252	0.01138470
0.03696041	0.16802536	0.15711223	-0.68318252	1.00000000	-0.73176946
-0.05548476	-0.24348593	-0.00919657	0.01138470	-0.73176946	1.00000000

Covariance matrix
2.97635431E-16	4.00950883E-17	6.49340911E-16	-6.78886578E-16	2.18244419E-14	-2.34948837E-14
4.00950883E-17	1.54584102E-15	-7.56864088E-17	-2.93131410E-15	2.26110772E-13	-2.34970622E-13
6.49340911E-16	-7.56864088E-17	1.94769589E-11	-2.28571552E-11	2.37320127E-11	-9.96193375E-13
-6.78886578E-16	-2.93131410E-15	-2.28571552E-11	5.55517973E-10	-5.51124601E-10	6.58609473E-12
2.18244419E-14	2.26110772E-13	2.37320127E-11	-5.51124601E-10	1.17146143E-09	-6.14745791E-10
-2.34948837E-14	-2.34970622E-13	-9.96193375E-13	6.58609473E-12	-6.14745791E-10	6.02441077E-10