AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 2008SJ257 ∴ Orbital info ∴ Epoch epochXXX

(647303) 2008SJ257 ▹

ORBITAL INFORMATION

◲

(ASCII data file 647303.eq0)

Keplerian elements at epoch
58196.0 MJD
	Value	1-σ variation	Units
a	2.41609	1.676e-08	au
e	0.231027	9.835e-08
i	1.89	1.159e-05	deg
Ω	45.011	0.0003333	deg
ω	286.607	0.0003358	deg
M	215.535	3.169e-05	deg

Other useful info
Absolute Magnitude (H)	18.4	mag
Slope parameter (G)	0.15	mag
Perihelion	1.8579	au
Aphelion	2.9743	au
Asc. node-Earth separation	1.15241	au
Desc. node-Earth separation	1.44084	au
Earth MOID	0.84641	au
Orbital period	1371.73	days
Date of orbit computation	apr 23 22:05

Correlation matrix
1.00000000	-0.12397038	-0.01343302	-0.02187302	0.01832066	0.02636923
-0.12397038	1.00000000	-0.01914885	0.05269656	-0.03280830	-0.17936963
-0.01343302	-0.01914885	1.00000000	-0.41189984	0.40806927	0.00579510
-0.02187302	0.05269656	-0.41189984	1.00000000	-0.99069146	-0.00477649
0.01832066	-0.03280830	0.40806927	-0.99069146	1.00000000	-0.12922002
0.02636923	-0.17936963	0.00579510	-0.00477649	-0.12922002	1.00000000

Covariance matrix
2.80789057E-16	-2.04306409E-16	-2.60885625E-15	-1.22175604E-13	1.03074995E-13	1.40017404E-14
-2.04306409E-16	9.67270436E-15	-2.18274483E-14	1.72759435E-12	-1.08337761E-12	-5.59007220E-13
-2.60885625E-15	-2.18274483E-14	1.34329898E-10	-1.59134201E-09	1.58797028E-09	2.12834457E-12
-1.22175604E-13	1.72759435E-12	-1.59134201E-09	1.11114597E-07	-1.10878186E-07	-5.04532644E-11
1.03074995E-13	-1.08337761E-12	1.58797028E-09	-1.10878186E-07	1.12731235E-07	-1.37482205E-09
1.40017404E-14	-5.59007220E-13	2.12834457E-12	-5.04532644E-11	-1.37482205E-09	1.00412808E-09