NEODyS

NEODyS-2

Near Earth Objects - Dynamic Site

NEODyS ∴ Objects ∴ 1991OA ∴ Orbital info ∴ Epoch 60600 MJD

(6491) 1991OA ▹

ORBITAL INFORMATION

◲

(ASCII data file 6491.eq1)

Keplerian elements
(Epoch 60600.0 MJD)
	Value	1-σ variation	Units
a	2.50631	1.564e-08	au
e	0.59167	3.31e-08
i	5.998	7.212e-06	deg
Ω	301.002	6.944e-05	deg
ω	324.735	6.931e-05	deg
M	142.22	7.65e-06	deg

Other useful info
Absolute Magnitude (H)	18.6	mag
Slope parameter (G)	0.15	mag
Perihelion distance	1.0234	au
Aphelion distance	3.9892	au
Asc. node-Earth separation	0.08346	au
Desc. node-Earth separation	2.16657	au
Earth MOID	0.0417	au
Orbital period	1449.27	days
Date of orbit computation	Jul 29 14:26

Covariance matrix
2.44697026E-16	3.40699410E-17	-4.70523423E-15	-5.41244427E-14	-5.37649473E-14	-5.21591137E-14
3.40699410E-17	1.09571028E-15	-4.84264008E-14	-4.35645982E-13	3.98243452E-13	-2.27788112E-14
-4.70523423E-15	-4.84264008E-14	5.20097811E-11	2.38475082E-10	-2.36933308E-10	2.68714303E-12
-5.41244427E-14	-4.35645982E-13	2.38475082E-10	4.82175571E-09	-4.78250510E-09	1.16009257E-11
-5.37649473E-14	3.98243452E-13	-2.36933308E-10	-4.78250510E-09	4.80429759E-09	-1.26670569E-11
-5.21591137E-14	-2.27788112E-14	2.68714303E-12	1.16009257E-11	-1.26670569E-11	5.85231064E-11

Correlation matrix
1.00000000	0.06579747	-0.04170848	-0.04982835	-0.04958724	-0.43586518
0.06579747	1.00000000	-0.20285785	-0.18953230	0.17357446	-0.08995380
-0.04170848	-0.20285785	1.00000000	0.47620932	-0.47398943	0.04870624
-0.04982835	-0.18953230	0.47620932	1.00000000	-0.99366019	0.02183868
-0.04958724	0.17357446	-0.47398943	-0.99366019	1.00000000	-0.02388895
-0.43586518	-0.08995380	0.04870624	0.02183868	-0.02388895	1.00000000