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.eq0)

Keplerian elements at epoch
57856.1 MJD
	Value	1-σ variation	Units
a	2.51976	1.535e-08	au
e	0.063732	8.208e-08
i	3.171	8.572e-06	deg
Ω	355.747	8.139e-05	deg
ω	233.558	0.0001096	deg
M	340.645	6.83e-05	deg

Other useful info
Absolute Magnitude (H)	17.4	mag
Slope parameter (G)	0.15	mag
Perihelion	2.3592	au
Aphelion	2.6804	au
Asc. node-Earth separation	1.60502	au
Desc. node-Earth separation	1.42336	au
Earth MOID	1.35083	au
Orbital period	1460.96	days
Date of orbit computation	apr 23 20:52

Correlation matrix
1.00000000	0.06223996	0.00552324	-0.00294266	-0.00262222	0.00465702
0.06223996	1.00000000	0.00105408	0.01795933	-0.51800952	0.75178062
0.00552324	0.00105408	1.00000000	0.19215779	-0.13506239	-0.01202223
-0.00294266	0.01795933	0.19215779	1.00000000	-0.75227557	0.01740165
-0.00262222	-0.51800952	-0.13506239	-0.75227557	1.00000000	-0.67062794
0.00465702	0.75178062	-0.01202223	0.01740165	-0.67062794	1.00000000

Covariance matrix
2.35537150E-16	7.84081947E-17	7.26598714E-16	-3.67563856E-15	-4.41117645E-15	4.88133866E-15
7.84081947E-17	6.73790469E-15	7.41663345E-16	1.19982015E-13	-4.66075811E-12	4.21458677E-12
7.26598714E-16	7.41663345E-16	7.34754528E-11	1.34058013E-10	-1.26900097E-10	-7.03813427E-12
-3.67563856E-15	1.19982015E-13	1.34058013E-10	6.62410665E-09	-6.71115091E-09	9.67287180E-11
-4.41117645E-15	-4.66075811E-12	-1.26900097E-10	-6.71115091E-09	1.20146957E-08	-5.02041327E-09
4.88133866E-15	4.21458677E-12	-7.03813427E-12	9.67287180E-11	-5.02041327E-09	4.66447617E-09