AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 1998UD4 ∴ Orbital info ∴ Epoch epochXXX

(44434) 1998UD4 ▹

ORBITAL INFORMATION

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(ASCII data file 44434.eq0)

Keplerian elements at epoch
57673.8 MJD
	Value	1-σ variation	Units
a	2.24967	5.862e-09	au
e	0.178338	3.256e-08
i	7.24	3.169e-06	deg
Ω	82.575	2.832e-05	deg
ω	219.77	2.981e-05	deg
M	192.298	1.001e-05	deg

Other useful info
Absolute Magnitude (H)	14.6	mag
Slope parameter (G)	0.15	mag
Perihelion	1.8485	au
Aphelion	2.6509	au
Asc. node-Earth separation	1.54039	au
Desc. node-Earth separation	0.90066	au
Earth MOID	0.83945	au
Orbital period	1232.47	days
Date of orbit computation	apr 23 19:55

Correlation matrix
1.00000000	-0.00017523	-0.00368917	0.00563921	0.04263994	-0.16162308
-0.00017523	1.00000000	-0.01197115	-0.00095477	0.06479059	-0.25408504
-0.00368917	-0.01197115	1.00000000	0.11602116	-0.11329918	0.01695675
0.00563921	-0.00095477	0.11602116	1.00000000	-0.94286491	0.00608761
0.04263994	0.06479059	-0.11329918	-0.94286491	1.00000000	-0.32775722
-0.16162308	-0.25408504	0.01695675	0.00608761	-0.32775722	1.00000000

Covariance matrix
3.43639681E-17	-3.34412857E-20	-6.85326003E-17	9.36079930E-16	7.45237628E-15	-9.48839356E-15
-3.34412857E-20	1.05983601E-15	-1.23501499E-15	-8.80163195E-16	6.28865542E-14	-8.28392370E-14
-6.85326003E-17	-1.23501499E-15	1.00423191E-11	1.04111185E-11	-1.07045962E-11	5.38142350E-13
9.36079930E-16	-8.80163195E-16	1.04111185E-11	8.01837513E-10	-7.96011163E-10	1.72634425E-12
7.45237628E-15	6.28865542E-14	-1.07045962E-11	-7.96011163E-10	8.88900190E-10	-9.78625266E-11
-9.48839356E-15	-8.28392370E-14	5.38142350E-13	1.72634425E-12	-9.78625266E-11	1.00294081E-10