AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 2009RJ21 ∴ Orbital info ∴ Epoch epochXXX

(312607) 2009RJ21 ▹

ORBITAL INFORMATION

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(ASCII data file 312607.eq0)

Keplerian elements at epoch
58405.3 MJD
	Value	1-σ variation	Units
a	3.12981	3.46e-08	au
e	0.037743	5.448e-08
i	8.161	5.05e-06	deg
Ω	270.617	4.173e-05	deg
ω	280.269	0.0001033	deg
M	15.357	9.768e-05	deg

Other useful info
Absolute Magnitude (H)	15.4	mag
Slope parameter (G)	0.15	mag
Perihelion	3.0117	au
Aphelion	3.2479	au
Asc. node-Earth separation	2.08726	au
Desc. node-Earth separation	2.16285	au
Earth MOID	2.02333	au
Orbital period	2022.44	days
Date of orbit computation	apr 23 20:55

Correlation matrix
1.00000000	-0.18903231	0.01318478	0.00013851	0.35909236	-0.39336881
-0.18903231	1.00000000	0.02022987	-0.00430203	-0.27848729	0.30410302
0.01318478	0.02022987	1.00000000	0.15403790	-0.06248936	0.00036242
0.00013851	-0.00430203	0.15403790	1.00000000	-0.40100703	0.00135111
0.35909236	-0.27848729	-0.06248936	-0.40100703	1.00000000	-0.91583570
-0.39336881	0.30410302	0.00036242	0.00135111	-0.91583570	1.00000000

Covariance matrix
1.19685767E-15	-3.56271110E-16	2.30364928E-15	1.99973138E-16	1.28356854E-12	-1.32927566E-12
-3.56271110E-16	2.96788191E-15	5.56594189E-15	-9.78025923E-15	-1.56754617E-12	1.61822131E-12
2.30364928E-15	5.56594189E-15	2.55061343E-11	3.24641117E-11	-3.26076932E-11	1.78783211E-13
1.99973138E-16	-9.78025923E-15	3.24641117E-11	1.74143485E-09	-1.72900900E-09	5.50728709E-12
1.28356854E-12	-1.56754617E-12	-3.26076932E-11	-1.72900900E-09	1.06753789E-08	-9.24279012E-09
-1.32927566E-12	1.61822131E-12	1.78783211E-13	5.50728709E-12	-9.24279012E-09	9.54086495E-09