AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ Hedera ∴ Orbital info ∴ Epoch epochXXX

(1251) Hedera ▹

ORBITAL INFORMATION

◲

(ASCII data file 1251.eq0)

Keplerian elements at epoch
58168.6 MJD
	Value	1-σ variation	Units
a	2.71642	5.386e-09	au
e	0.1577	2.757e-08
i	6.049	2.015e-06	deg
Ω	140.646	2.951e-05	deg
ω	217.467	3.092e-05	deg
M	93.02	8.345e-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	2.041	au
Desc. node-Earth separation	1.33999	au
Earth MOID	1.28531	au
Orbital period	1635.29	days
Date of orbit computation	apr 23 19:46

Correlation matrix
1.00000000	0.27919950	-0.01241619	0.00517614	-0.07695904	0.19932939
0.27919950	1.00000000	-0.03453402	0.00129502	0.07438117	-0.36356839
-0.01241619	-0.03453402	1.00000000	0.43407765	-0.41834306	0.02470894
0.00517614	0.00129502	0.43407765	1.00000000	-0.95046507	0.00418685
-0.07695904	0.07438117	-0.41834306	-0.95046507	1.00000000	-0.30817955
0.19932939	-0.36356839	0.02470894	0.00418685	-0.30817955	1.00000000

Covariance matrix
2.90077724E-17	4.14506302E-17	-1.34766611E-16	8.22656322E-16	-1.28173485E-14	8.95853471E-15
4.14506302E-17	7.59833800E-16	-1.91841739E-15	1.05339576E-15	6.34021031E-14	-8.36284172E-14
-1.34766611E-16	-1.91841739E-15	4.06137714E-12	2.58142514E-11	-2.60705749E-11	4.15527044E-13
8.22656322E-16	1.05339576E-15	2.58142514E-11	8.70784932E-10	-8.67307284E-10	1.03098295E-12
-1.28173485E-14	6.34021031E-14	-2.60705749E-11	-8.67307284E-10	9.56230870E-10	-7.95231652E-11
8.95853471E-15	-8.36284172E-14	4.15527044E-13	1.03098295E-12	-7.95231652E-11	6.96332913E-11