NEODyS

NEODyS-2

Near Earth Objects - Dynamic Site

NEODyS ∴ Objects ∴ 1991OA ∴ Orbital info ∴ Epoch 60400 MJD

(6491) 1991OA ▹

ORBITAL INFORMATION

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(ASCII data file 6491.eq1)

Keplerian elements
(Epoch 60400.0 MJD)
	Value	1-σ variation	Units
a	2.50438	1.211e-08	au
e	0.590768	3.298e-08
i	5.95	7.207e-06	deg
Ω	301.676	7.015e-05	deg
ω	323.935	6.999e-05	deg
M	92.96	7.485e-06	deg

Other useful info
Absolute Magnitude (H)	18.6	mag
Slope parameter (G)	0.15	mag
Perihelion distance	1.0249	au
Aphelion distance	3.9839	au
Asc. node-Earth separation	0.08793	au
Desc. node-Earth separation	2.13572	au
Earth MOID	0.0429	au
Orbital period	1447.6	days
Date of orbit computation	feb 26 13:20

Covariance matrix
1.46641790E-16	3.74860431E-17	1.42969473E-15	1.43505660E-14	-9.77725413E-14	-3.54688581E-14
3.74860431E-17	1.08791705E-15	-4.57040490E-14	-4.15541916E-13	3.67266124E-13	-2.21449035E-14
1.42969473E-15	-4.57040490E-14	5.19340254E-11	2.42392254E-10	-2.40333816E-10	1.05799575E-12
1.43505660E-14	-4.15541916E-13	2.42392254E-10	4.92143727E-09	-4.87854024E-09	-2.04684198E-12
-9.77725413E-14	3.67266124E-13	-2.40333816E-10	-4.87854024E-09	4.89850162E-09	-2.96889711E-12
-3.54688581E-14	-2.21449035E-14	1.05799575E-12	-2.04684198E-12	-2.96889711E-12	5.60222941E-11

Correlation matrix
1.00000000	0.09385185	0.01638281	0.01689251	-0.11536031	-0.39132526
0.09385185	1.00000000	-0.19227853	-0.17958538	0.15909310	-0.08970062
0.01638281	-0.19227853	1.00000000	0.47945380	-0.47649381	0.01961451
0.01689251	-0.17958538	0.47945380	1.00000000	-0.99360161	-0.00389814
-0.11536031	0.15909310	-0.47649381	-0.99360161	1.00000000	-0.00566739
-0.39132526	-0.08970062	0.01961451	-0.00389814	-0.00566739	1.00000000