AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 1999XT18 ∴ Orbital info ∴ Epoch epochXXX

(41228) 1999XT18 ▹

ORBITAL INFORMATION

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(ASCII data file 41228.eq0)

Keplerian elements at epoch
56772.8 MJD
	Value	1-σ variation	Units
a	2.55006	9.251e-09	au
e	0.263737	5.332e-08
i	3.547	4.867e-06	deg
Ω	176.256	6.244e-05	deg
ω	158.105	6.3e-05	deg
M	230.161	7.359e-06	deg

Other useful info
Absolute Magnitude (H)	15.3	mag
Slope parameter (G)	0.15	mag
Perihelion	1.8775	au
Aphelion	3.2226	au
Asc. node-Earth separation	2.14665	au
Desc. node-Earth separation	0.90029	au
Earth MOID	0.86648	au
Orbital period	1487.39	days
Date of orbit computation	apr 23 19:54

Correlation matrix
1.00000000	-0.51594925	0.02073514	-0.00517832	0.06585445	-0.57831641
-0.51594925	1.00000000	-0.02109204	0.00072411	-0.03968815	0.38294653
0.02073514	-0.02109204	1.00000000	-0.34323557	0.34092363	-0.01175183
-0.00517832	0.00072411	-0.34323557	1.00000000	-0.99019512	0.00312313
0.06585445	-0.03968815	0.34092363	-0.99019512	1.00000000	-0.13287045
-0.57831641	0.38294653	-0.01175183	0.00312313	-0.13287045	1.00000000

Covariance matrix
8.55755691E-17	-2.54479634E-16	9.33558848E-16	-2.99118379E-15	3.83796103E-14	-3.93709705E-14
-2.54479634E-16	2.84277371E-15	-5.47330392E-15	2.41077198E-15	-1.33313024E-13	1.50260555E-13
9.33558848E-16	-5.47330392E-15	2.36875148E-11	-1.04311315E-10	1.04533960E-10	-4.20921198E-13
-2.99118379E-15	2.41077198E-15	-1.04311315E-10	3.89904966E-09	-3.89529827E-09	1.43517388E-12
3.83796103E-14	-1.33313024E-13	1.04533960E-10	-3.89529827E-09	3.96900007E-09	-6.16033967E-11
-3.93709705E-14	1.50260555E-13	-4.20921198E-13	1.43517388E-12	-6.16033967E-11	5.41590965E-11