AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ Hirayama ∴ Orbital info ∴ Epoch epochXXX

(1999) Hirayama ▹

ORBITAL INFORMATION

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(ASCII data file 1999.eq1)

Keplerian elements at epoch
60400.0 MJD
	Value	1-σ variation	Units
a	3.11391	1.039e-08	au
e	0.11831	2.632e-08
i	12.535	2.811e-06	deg
Ω	147.847	1.295e-05	deg
ω	355.989	1.794e-05	deg
M	111.037	1.31e-05	deg

Other useful info
Absolute Magnitude (H)	11.2	mag
Slope parameter (G)	0.15	mag
Perihelion	2.7455	au
Aphelion	3.4823	au
Asc. node-Earth separation	1.75852	au
Desc. node-Earth separation	2.46984	au
Earth MOID	1.75836	au
Orbital period	2007.04	days
Date of orbit computation	Jun 5 00:37

Correlation matrix
1.00000000	-0.26435844	0.03609894	0.03427312	0.05602984	-0.29773484
-0.26435844	1.00000000	0.01260135	-0.01066126	0.32332601	-0.31746962
0.03609894	0.01260135	1.00000000	0.59544824	-0.40826026	-0.01810812
0.03427312	-0.01066126	0.59544824	1.00000000	-0.71286016	0.00803207
0.05602984	0.32332601	-0.40826026	-0.71286016	1.00000000	-0.68665870
-0.29773484	-0.31746962	-0.01810812	0.00803207	-0.68665870	1.00000000

Covariance matrix
1.07860384E-16	-7.22755229E-17	1.05397404E-15	4.60941037E-15	1.04405945E-14	-4.05177333E-14
-7.22755229E-17	6.93001484E-16	9.32585386E-16	-3.63443160E-15	1.52715317E-13	-1.09509994E-13
1.05397404E-15	9.32585386E-16	7.90330909E-12	2.16775002E-11	-2.05928502E-11	-6.67056072E-13
4.60941037E-15	-3.63443160E-15	2.16775002E-11	1.67695495E-10	-1.65630346E-10	1.36292737E-12
1.04405945E-14	1.52715317E-13	-2.05928502E-11	-1.65630346E-10	3.21921314E-10	-1.61435963E-10
-4.05177333E-14	-1.09509994E-13	-6.67056072E-13	1.36292737E-12	-1.61435963E-10	1.71699485E-10