AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 1999XL255 ∴ Orbital info ∴ Epoch epochXXX

(49972) 1999XL255 ▹

ORBITAL INFORMATION

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(ASCII data file 49972.eq0)

Keplerian elements at epoch
57559.0 MJD
	Value	1-σ variation	Units
a	2.61078	1.033e-08	au
e	0.125052	3.301e-08
i	1.737	3.869e-06	deg
Ω	55.881	0.0001369	deg
ω	229.463	0.0001382	deg
M	151.88	1.906e-05	deg

Other useful info
Absolute Magnitude (H)	15.5	mag
Slope parameter (G)	0.15	mag
Perihelion	2.2843	au
Aphelion	2.9373	au
Asc. node-Earth separation	1.81019	au
Desc. node-Earth separation	1.3659	au
Earth MOID	1.26815	au
Orbital period	1540.83	days
Date of orbit computation	apr 23 19:56

Correlation matrix
1.00000000	-0.11447220	-0.00248979	-0.00861303	0.03692987	-0.21834560
-0.11447220	1.00000000	0.00097842	0.00068472	0.01012566	-0.08661826
-0.00248979	0.00097842	1.00000000	-0.17569023	0.17304029	0.00947738
-0.00861303	0.00068472	-0.17569023	1.00000000	-0.99051688	0.00492489
0.03692987	0.01012566	0.17304029	-0.99051688	1.00000000	-0.14060617
-0.21834560	-0.08661826	0.00947738	0.00492489	-0.14060617	1.00000000

Covariance matrix
1.06686585E-16	-3.90313025E-17	-9.94943266E-17	-1.21833995E-14	5.27334853E-14	-4.29923242E-14
-3.90313025E-17	1.08972328E-15	1.24957652E-16	3.09549970E-15	4.62099200E-14	-5.45078633E-14
-9.94943266E-17	1.24957652E-16	1.49679130E-11	-9.30863241E-11	9.25511244E-11	6.98973347E-13
-1.21833995E-14	3.09549970E-15	-9.30863241E-11	1.87549233E-08	-1.87531129E-08	1.28571864E-11
5.27334853E-14	4.62099200E-14	9.25511244E-11	-1.87531129E-08	1.91120681E-08	-3.70552539E-10
-4.29923242E-14	-5.45078633E-14	6.98973347E-13	1.28571864E-11	-3.70552539E-10	3.63398515E-10