AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 2009HY18 ∴ Orbital info ∴ Epoch epochXXX

(296422) 2009HY18 ▹

ORBITAL INFORMATION

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(ASCII data file 296422.eq1)

Keplerian elements at epoch
60400.0 MJD
	Value	1-σ variation	Units
a	2.51821	1.548e-08	au
e	0.064187	8.028e-08
i	3.164	8.565e-06	deg
Ω	355.627	8.17e-05	deg
ω	235.864	0.0001103	deg
M	245.368	6.892e-05	deg

Other useful info
Absolute Magnitude (H)	17.4	mag
Slope parameter (G)	0.15	mag
Perihelion	2.3566	au
Aphelion	2.6798	au
Asc. node-Earth separation	1.59739	au
Desc. node-Earth separation	1.426	au
Earth MOID	1.34766	au
Orbital period	1459.61	days
Date of orbit computation	apr 23 20:52

Correlation matrix
1.00000000	0.11038223	0.00955185	-0.00381898	-0.04527229	-0.01358800
0.11038223	1.00000000	0.00095686	0.01779317	-0.51851361	0.74223443
0.00955185	0.00095686	1.00000000	0.19397580	-0.13627067	-0.01206350
-0.00381898	0.01779317	0.19397580	1.00000000	-0.74998890	0.01698848
-0.04527229	-0.51851361	-0.13627067	-0.74998890	1.00000000	-0.67044844
-0.01358800	0.74223443	-0.01206350	0.01698848	-0.67044844	1.00000000

Covariance matrix
2.39584776E-16	1.37169895E-16	1.26634574E-15	-4.82928794E-15	-7.73024414E-14	-1.44948938E-14
1.37169895E-16	6.44555178E-15	6.57979139E-16	1.16704903E-13	-4.59220564E-12	4.10677697E-12
1.26634574E-15	6.57979139E-16	7.33618090E-11	1.35733873E-10	-1.28756308E-10	-7.12095430E-12
-4.82928794E-15	1.16704903E-13	1.35733873E-10	6.67438659E-09	-6.75914286E-09	9.56511366E-11
-7.73024414E-14	-4.59220564E-12	-1.28756308E-10	-6.75914286E-09	1.21692055E-08	-5.09713888E-09
-1.44948938E-14	4.10677697E-12	-7.12095430E-12	9.56511366E-11	-5.09713888E-09	4.74963177E-09