AstDyS

AstDyS-2

Asteroids - Dynamic Site

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

(21972) 1999XU ▹

ORBITAL INFORMATION

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(ASCII data file 21972.eq0)

Keplerian elements at epoch
57918.8 MJD
	Value	1-σ variation	Units
a	2.61232	9.692e-09	au
e	0.252238	3.852e-08
i	6.649	3.564e-06	deg
Ω	71.718	3.684e-05	deg
ω	273.422	3.748e-05	deg
M	77.585	6.435e-06	deg

Other useful info
Absolute Magnitude (H)	14.7	mag
Slope parameter (G)	0.15	mag
Perihelion	1.9534	au
Aphelion	3.2712	au
Asc. node-Earth separation	1.42474	au
Desc. node-Earth separation	1.46957	au
Earth MOID	0.95943	au
Orbital period	1542.19	days
Date of orbit computation	apr 23 19:50

Correlation matrix
1.00000000	-0.09888938	0.01793199	0.00107843	-0.02059880	0.07201754
-0.09888938	1.00000000	-0.02711944	0.00297929	0.02345182	-0.18781090
0.01793199	-0.02711944	1.00000000	-0.21680084	0.21265853	0.00374491
0.00107843	0.00297929	-0.21680084	1.00000000	-0.97672253	0.00449021
-0.02059880	0.02345182	0.21265853	-0.97672253	1.00000000	-0.20467355
0.07201754	-0.18781090	0.00374491	0.00449021	-0.20467355	1.00000000

Covariance matrix
9.39314874E-17	-3.69180489E-17	6.19360708E-16	3.85069564E-16	-7.48260104E-15	4.49172002E-15
-3.69180489E-17	1.48377119E-15	-3.72283318E-15	4.22804330E-15	3.38582932E-14	-4.65557202E-14
6.19360708E-16	-3.72283318E-15	1.27004435E-11	-2.84651228E-11	2.84051639E-11	8.58855067E-14
3.85069564E-16	4.22804330E-15	-2.84651228E-11	1.35732956E-09	-1.34871102E-09	1.06457855E-12
-7.48260104E-15	3.38582932E-14	2.84051639E-11	-1.34871102E-09	1.40478574E-09	-4.93668668E-11
4.49172002E-15	-4.65557202E-14	8.58855067E-14	1.06457855E-12	-4.93668668E-11	4.14130854E-11