AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 1991DG1 ∴ Orbital info ∴ Epoch epochXXX

(18366) 1991DG1 ▹

ORBITAL INFORMATION

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(ASCII data file 18366.eq1)

Keplerian elements at epoch
60400.0 MJD
	Value	1-σ variation	Units
a	3.10432	1.118e-08	au
e	0.146749	2.762e-08
i	4.992	3.645e-06	deg
Ω	173.473	3.448e-05	deg
ω	273.113	3.707e-05	deg
M	78.986	1.354e-05	deg

Other useful info
Absolute Magnitude (H)	13.5	mag
Slope parameter (G)	0.15	mag
Perihelion	2.6488	au
Aphelion	3.5599	au
Asc. node-Earth separation	2.0194	au
Desc. node-Earth separation	2.05712	au
Earth MOID	1.67139	au
Orbital period	1997.78	days
Date of orbit computation	apr 23 19:49

Correlation matrix
1.00000000	0.00977765	-0.02911312	-0.00050061	-0.00760555	-0.22098790
0.00977765	1.00000000	0.00576618	0.00547816	0.05260793	-0.07779921
-0.02911312	0.00576618	1.00000000	-0.10008978	0.09412943	0.00016002
-0.00050061	0.00547816	-0.10008978	1.00000000	-0.92905492	0.00589886
-0.00760555	0.05260793	0.09412943	-0.92905492	1.00000000	-0.35825879
-0.22098790	-0.07779921	0.00016002	0.00589886	-0.35825879	1.00000000

Covariance matrix
1.25072134E-16	3.02017407E-18	-1.18661564E-15	-1.93051324E-16	-3.15294039E-15	-3.34704889E-14
3.02017407E-18	7.62841201E-16	5.80424968E-16	5.21724079E-15	5.38608181E-14	-2.91008397E-14
-1.18661564E-15	5.80424968E-16	1.32825724E-11	-1.25782339E-11	1.27166053E-11	7.89821467E-15
-1.93051324E-16	5.21724079E-15	-1.25782339E-11	1.18898853E-09	-1.18750352E-09	2.75467193E-12
-3.15294039E-15	5.38608181E-14	1.27166053E-11	-1.18750352E-09	1.37407160E-09	-1.79851816E-10
-3.34704889E-14	-2.91008397E-14	7.89821467E-15	2.75467193E-12	-1.79851816E-10	1.83411507E-10