AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 1991AH2 ∴ Orbital info ∴ Epoch epochXXX

(11889) 1991AH2 ▹

ORBITAL INFORMATION

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(ASCII data file 11889.eq0)

Keplerian elements at epoch
57989.4 MJD
	Value	1-σ variation	Units
a	2.76202	1.02e-08	au
e	0.17984	2.968e-08
i	19.092	2.989e-06	deg
Ω	120.823	1.007e-05	deg
ω	215.514	1.294e-05	deg
M	6.912	8.851e-06	deg

Other useful info
Absolute Magnitude (H)	12.4	mag
Slope parameter (G)	0.15	mag
Perihelion	2.2653	au
Aphelion	3.2587	au
Asc. node-Earth separation	2.14558	au
Desc. node-Earth separation	1.31534	au
Earth MOID	1.27558	au
Orbital period	1676.63	days
Date of orbit computation	apr 23 19:48

Correlation matrix
1.00000000	0.13658154	0.00380379	-0.01512973	0.06719700	-0.09733389
0.13658154	1.00000000	0.00701032	-0.00146259	0.13543827	-0.19444480
0.00380379	0.00701032	1.00000000	0.17682074	-0.12840003	0.00127936
-0.01512973	-0.00146259	0.17682074	1.00000000	-0.73513265	0.00127332
0.06719700	0.13543827	-0.12840003	-0.73513265	1.00000000	-0.65632528
-0.09733389	-0.19444480	0.00127936	0.00127332	-0.65632528	1.00000000

Covariance matrix
1.03966418E-16	4.13402742E-17	1.15945528E-16	-1.55407421E-15	8.86882500E-15	-8.78449655E-15
4.13402742E-17	8.81190113E-16	6.22104813E-16	-4.37371592E-16	5.20410234E-14	-5.10901756E-14
1.15945528E-16	6.22104813E-16	8.93680532E-12	5.32498661E-12	-4.96850702E-12	3.38524660E-14
-1.55407421E-15	-4.37371592E-16	5.32498661E-12	1.01481843E-10	-9.58582548E-11	1.13537054E-13
8.86882500E-15	5.20410234E-14	-4.96850702E-12	-9.58582548E-11	1.67548005E-10	-7.51960478E-11
-8.78449655E-15	-5.10901756E-14	3.38524660E-14	1.13537054E-13	-7.51960478E-11	7.83452201E-11