AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 1981EL37 ∴ Orbital info ∴ Epoch epochXXX

(20986) 1981EL37 ▹

ORBITAL INFORMATION

◲

(ASCII data file 20986.eq0)

Keplerian elements at epoch
57759.7 MJD
	Value	1-σ variation	Units
a	3.10862	1.645e-08	au
e	0.160024	3.504e-08
i	10.861	4.482e-06	deg
Ω	207.38	2.001e-05	deg
ω	111.91	2.529e-05	deg
M	53.849	1.382e-05	deg

Other useful info
Absolute Magnitude (H)	14.6	mag
Slope parameter (G)	0.15	mag
Perihelion	2.6112	au
Aphelion	3.6061	au
Asc. node-Earth separation	2.21796	au
Desc. node-Earth separation	1.86265	au
Earth MOID	1.62312	au
Orbital period	2001.93	days
Date of orbit computation	apr 23 19:50

Correlation matrix
1.00000000	-0.09033934	0.01355425	-0.00522755	-0.04166936	0.08286705
-0.09033934	1.00000000	-0.02311021	-0.00558919	0.09600623	-0.15768982
0.01355425	-0.02311021	1.00000000	-0.05703065	0.04622291	-0.00363178
-0.00522755	-0.00558919	-0.05703065	1.00000000	-0.78106928	0.00494276
-0.04166936	0.09600623	0.04622291	-0.78106928	1.00000000	-0.61665133
0.08286705	-0.15768982	-0.00363178	0.00494276	-0.61665133	1.00000000

Covariance matrix
2.70442016E-16	-5.20588014E-17	9.98944153E-16	-1.72030910E-15	-1.73281942E-14	1.88313909E-14
-5.20588014E-17	1.22789247E-15	-3.62921577E-15	-3.91922973E-15	8.50704896E-14	-7.63567167E-14
9.98944153E-16	-3.62921577E-15	2.00843359E-11	-5.11456180E-12	5.23823937E-12	-2.24911782E-13
-1.72030910E-15	-3.91922973E-15	-5.11456180E-12	4.00444825E-10	-3.95239430E-10	1.36679671E-12
-1.73281942E-14	8.50704896E-14	5.23823937E-12	-3.95239430E-10	6.39438424E-10	-2.15477762E-10
1.88313909E-14	-7.63567167E-14	-2.24911782E-13	1.36679671E-12	-2.15477762E-10	1.90953156E-10