AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 1998UR31 ∴ Orbital info ∴ Epoch epochXXX

(15430) 1998UR31 ▹

ORBITAL INFORMATION

◲

(ASCII data file 15430.eq0)

Keplerian elements at epoch
58027.2 MJD
	Value	1-σ variation	Units
a	2.22188	5.023e-09	au
e	0.169958	3.116e-08
i	8.181	3.464e-06	deg
Ω	62.784	1.988e-05	deg
ω	177.361	2.155e-05	deg
M	71.927	8.435e-06	deg

Other useful info
Absolute Magnitude (H)	14.5	mag
Slope parameter (G)	0.15	mag
Perihelion	1.8443	au
Aphelion	2.5995	au
Asc. node-Earth separation	1.6123	au
Desc. node-Earth separation	0.83246	au
Earth MOID	0.83243	au
Orbital period	1209.71	days
Date of orbit computation	apr 23 19:49

Correlation matrix
1.00000000	0.00288210	-0.00183498	0.00016150	-0.02887758	0.03303053
0.00288210	1.00000000	-0.00750383	-0.00069182	-0.06786603	0.16511053
-0.00183498	-0.00750383	1.00000000	-0.19170793	0.17269258	0.00762131
0.00016150	-0.00069182	-0.19170793	1.00000000	-0.91416128	0.00859695
-0.02887758	-0.06786603	0.17269258	-0.91416128	1.00000000	-0.39909378
0.03303053	0.16511053	0.00762131	0.00859695	-0.39909378	1.00000000

Covariance matrix
2.52338918E-17	4.51182493E-19	-3.19329058E-17	1.61313593E-17	-3.12628108E-15	1.39958608E-15
4.51182493E-19	9.71186560E-16	-8.10120558E-16	-4.28704804E-16	-4.55804799E-14	4.34028355E-14
-3.19329058E-17	-8.10120558E-16	1.20013692E-11	-1.32059399E-11	1.28933034E-11	2.22708601E-13
1.61313593E-17	-4.28704804E-16	-1.32059399E-11	3.95391818E-10	-3.91752504E-10	1.44195074E-12
-3.12628108E-15	-4.55804799E-14	1.28933034E-11	-3.91752504E-10	4.64462052E-10	-7.25507766E-11
1.39958608E-15	4.34028355E-14	2.22708601E-13	1.44195074E-12	-7.25507766E-11	7.11514859E-11