AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 1999AR4 ∴ Orbital info ∴ Epoch epochXXX

(27161) 1999AR4 ▹

ORBITAL INFORMATION

◲

(ASCII data file 27161.eq1)

Keplerian elements at epoch
60400.0 MJD
	Value	1-σ variation	Units
a	2.71073	8.958e-09	au
e	0.200815	3.388e-08
i	9.326	3.474e-06	deg
Ω	109.386	2.263e-05	deg
ω	331.005	2.468e-05	deg
M	263.088	8.849e-06	deg

Other useful info
Absolute Magnitude (H)	14.5	mag
Slope parameter (G)	0.15	mag
Perihelion	2.1664	au
Aphelion	3.2551	au
Asc. node-Earth separation	1.22988	au
Desc. node-Earth separation	2.13933	au
Earth MOID	1.18788	au
Orbital period	1630.15	days
Date of orbit computation	Jun 5 00:42

Correlation matrix
1.00000000	0.04723589	0.00540277	0.00277668	-0.06108704	-0.21100213
0.04723589	1.00000000	-0.00716491	-0.01450670	-0.09517187	0.16255463
0.00540277	-0.00716491	1.00000000	-0.06618112	0.05998774	0.00452723
0.00277668	-0.01450670	-0.06618112	1.00000000	-0.90135811	-0.00402244
-0.06108704	-0.09517187	0.05998774	-0.90135811	1.00000000	-0.38867567
-0.21100213	0.16255463	0.00452723	-0.00402244	-0.38867567	1.00000000

Covariance matrix
8.02380739E-17	1.43332665E-17	1.68112821E-16	5.62744048E-16	-1.35026719E-14	-1.67255967E-14
1.43332665E-17	1.14753444E-15	-8.43117564E-16	-1.11185200E-14	-7.95557970E-14	4.87289162E-14
1.68112821E-16	-8.43117564E-16	1.20666995E-11	-5.20144319E-12	5.14205967E-12	1.39165406E-13
5.62744048E-16	-1.11185200E-14	-5.20144319E-12	5.11906933E-10	-5.03237800E-10	-8.05359032E-13
-1.35026719E-14	-7.95557970E-14	5.14205967E-12	-5.03237800E-10	6.08920729E-10	-8.48735315E-11
-1.67255967E-14	4.87289162E-14	1.39165406E-13	-8.05359032E-13	-8.48735315E-11	7.83085305E-11