AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 2009HW89 ∴ Orbital info ∴ Epoch epochXXX

(312587) 2009HW89 ▹

ORBITAL INFORMATION

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(ASCII data file 312587.eq0)

Keplerian elements at epoch
57559.1 MJD
	Value	1-σ variation	Units
a	2.63768	2.883e-08	au
e	0.203819	6.031e-08
i	6.002	6.832e-06	deg
Ω	51.376	7.081e-05	deg
ω	178.194	7.34e-05	deg
M	237.783	2.161e-05	deg

Other useful info
Absolute Magnitude (H)	16.8	mag
Slope parameter (G)	0.15	mag
Perihelion	2.1001	au
Aphelion	3.1753	au
Asc. node-Earth separation	2.18703	au
Desc. node-Earth separation	1.09022	au
Earth MOID	1.09016	au
Orbital period	1564.7	days
Date of orbit computation	apr 23 20:55

Correlation matrix
1.00000000	-0.03710319	0.00782493	0.00203250	0.13964756	-0.53166670
-0.03710319	1.00000000	-0.00437623	0.00171813	-0.05204229	0.20948765
0.00782493	-0.00437623	1.00000000	-0.19825442	0.19359552	-0.00919235
0.00203250	0.00171813	-0.19825442	1.00000000	-0.95553416	-0.00997436
0.13964756	-0.05204229	0.19359552	-0.95553416	1.00000000	-0.27652144
-0.53166670	0.20948765	-0.00919235	-0.00997436	-0.27652144	1.00000000

Covariance matrix
8.31371574E-16	-6.45250166E-17	1.54147599E-15	4.14975930E-15	2.95560789E-13	-3.31304996E-13
-6.45250166E-17	3.63779833E-15	-1.80334260E-15	7.33785835E-15	-2.30404824E-13	2.73066662E-13
1.54147599E-15	-1.80334260E-15	4.66785543E-11	-9.59127295E-11	9.70889695E-11	-1.35730165E-12
4.14975930E-15	7.33785835E-15	-9.59127295E-11	5.01405771E-09	-4.96657228E-09	-1.52640873E-11
2.95560789E-13	-2.30404824E-13	9.70889695E-11	-4.96657228E-09	5.38805176E-09	-4.38667669E-10
-3.31304996E-13	2.73066662E-13	-1.35730165E-12	-1.52640873E-11	-4.38667669E-10	4.67069900E-10