AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ Hedera ∴ Orbital info ∴ Epoch epochXXX

(1251) Hedera ▹

ORBITAL INFORMATION

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(ASCII data file 1251.eq0)

Keplerian elements at epoch
58188.8 MJD
	Value	1-σ variation	Units
a	2.71638	5.322e-09	au
e	0.157703	2.731e-08
i	6.049	2.004e-06	deg
Ω	140.646	2.951e-05	deg
ω	217.462	3.087e-05	deg
M	97.471	8.265e-06	deg

Other useful info
Absolute Magnitude (H)	11.0	mag
Slope parameter (G)	0.15	mag
Perihelion	2.288	au
Aphelion	3.1448	au
Asc. node-Earth separation	2.04111	au
Desc. node-Earth separation	1.3403	au
Earth MOID	1.28584	au
Orbital period	1635.25	days
Date of orbit computation	Jun 5 00:37

Correlation matrix
1.00000000	0.26399675	-0.01265586	0.00502512	-0.06948222	0.18076947
0.26399675	1.00000000	-0.03442363	0.00111087	0.08264774	-0.38951502
-0.01265586	-0.03442363	1.00000000	0.43649375	-0.42099420	0.02409180
0.00502512	0.00111087	0.43649375	1.00000000	-0.95180597	0.00401804
-0.06948222	0.08264774	-0.42099420	-0.95180597	1.00000000	-0.30401460
0.18076947	-0.38951502	0.02409180	0.00401804	-0.30401460	1.00000000

Covariance matrix
2.83186612E-17	3.83671751E-17	-1.34985396E-16	7.89053155E-16	-1.14159316E-14	7.95084191E-15
3.83671751E-17	7.45847034E-16	-1.88425763E-15	8.95184294E-16	6.96878648E-14	-8.79226509E-14
-1.34985396E-16	-1.88425763E-15	4.01714500E-12	2.58142896E-11	-2.60517068E-11	3.99098132E-13
7.89053155E-16	8.95184294E-16	2.58142896E-11	8.70656370E-10	-8.67107874E-10	9.79916213E-13
-1.14159316E-14	6.96878648E-14	-2.60517068E-11	-8.67107874E-10	9.53240820E-10	-7.75795812E-11
7.95084191E-15	-8.79226509E-14	3.99098132E-13	9.79916213E-13	-7.75795812E-11	6.83129999E-11