AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 2009XT18 ∴ Orbital info ∴ Epoch epochXXX

(499357) 2009XT18 ▹

ORBITAL INFORMATION

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(ASCII data file 499357.eq0)

Keplerian elements at epoch
58127.8 MJD
	Value	1-σ variation	Units
a	2.71653	3.203e-08	au
e	0.076006	6.847e-08
i	11.819	6.941e-06	deg
Ω	287.796	3.419e-05	deg
ω	195.401	6.265e-05	deg
M	277.276	5.085e-05	deg

Other useful info
Absolute Magnitude (H)	16.6	mag
Slope parameter (G)	0.15	mag
Perihelion	2.5101	au
Aphelion	2.923	au
Asc. node-Earth separation	1.89759	au
Desc. node-Earth separation	1.53306	au
Earth MOID	1.52776	au
Orbital period	1635.38	days
Date of orbit computation	apr 23 21:36

Correlation matrix
1.00000000	-0.22059112	0.01912783	0.00281719	0.29205764	-0.35947291
-0.22059112	1.00000000	0.00402766	-0.00854646	0.11626778	-0.10332207
0.01912783	0.00402766	1.00000000	0.12723786	-0.05832056	-0.01297591
0.00281719	-0.00854646	0.12723786	1.00000000	-0.53663528	0.00398667
0.29205764	0.11626778	-0.05832056	-0.53663528	1.00000000	-0.84162211
-0.35947291	-0.10332207	-0.01297591	0.00398667	-0.84162211	1.00000000

Covariance matrix
1.02587614E-15	-4.83773518E-16	4.25223897E-15	3.08499750E-15	5.86072608E-13	-5.85442802E-13
-4.83773518E-16	4.68827654E-15	1.91409526E-15	-2.00071311E-14	4.98771226E-13	-3.59724932E-13
4.25223897E-15	1.91409526E-15	4.81736087E-11	3.01934602E-11	-2.53607260E-11	-4.57945018E-12
3.08499750E-15	-2.00071311E-14	3.01934602E-11	1.16891759E-09	-1.14949362E-09	6.93064223E-12
5.86072608E-13	4.98771226E-13	-2.53607260E-11	-1.14949362E-09	3.92528132E-09	-2.68116394E-09
-5.85442802E-13	-3.59724932E-13	-4.57945018E-12	6.93064223E-12	-2.68116394E-09	2.58548297E-09