AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ Hedera ∴ Orbital info ∴ Epoch epochXXX

(1251) Hedera ▹

ORBITAL INFORMATION

◲

(ASCII data file 1251.eq1)

Keplerian elements at epoch
60400.0 MJD
	Value	1-σ variation	Units
a	2.71831	5.327e-09	au
e	0.156067	2.742e-08
i	6.051	2.006e-06	deg
Ω	140.605	2.948e-05	deg
ω	217.101	3.086e-05	deg
M	224.481	8.27e-06	deg

Other useful info
Absolute Magnitude (H)	11.0	mag
Slope parameter (G)	0.15	mag
Perihelion	2.2941	au
Aphelion	3.1426	au
Asc. node-Earth separation	2.04274	au
Desc. node-Earth separation	1.34579	au
Earth MOID	1.29295	au
Orbital period	1637	days
Date of orbit computation	Jun 5 00:37

Correlation matrix
1.00000000	0.30201873	-0.01874668	0.00186248	-0.05151574	-0.04002187
0.30201873	1.00000000	-0.03393029	0.00173568	0.08191484	-0.43849154
-0.01874668	-0.03393029	1.00000000	0.43775218	-0.42184971	0.02675070
0.00186248	0.00173568	0.43775218	1.00000000	-0.95100879	0.00287177
-0.05151574	0.08191484	-0.42184971	-0.95100879	1.00000000	-0.29940735
-0.04002187	-0.43849154	0.02675070	0.00287177	-0.29940735	1.00000000

Covariance matrix
2.83797558E-17	4.41222389E-17	-2.00325929E-16	2.92451546E-16	-8.46953072E-15	-1.76314960E-15
4.41222389E-17	7.52036068E-16	-1.86644624E-15	1.40296647E-15	6.93261331E-14	-9.94415763E-14
-2.00325929E-16	-1.86644624E-15	4.02362147E-12	2.58818242E-11	-2.61144806E-11	4.43742595E-13
2.92451546E-16	1.40296647E-15	2.58818242E-11	8.68792385E-10	-8.65082676E-10	6.99995773E-13
-8.46953072E-15	6.93261331E-14	-2.61144806E-11	-8.65082676E-10	9.52423624E-10	-7.64126007E-11
-1.76314960E-15	-9.94415763E-14	4.43742595E-13	6.99995773E-13	-7.64126007E-11	6.83872106E-11