AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 1999XQ257 ∴ Orbital info ∴ Epoch epochXXX

(148169) 1999XQ257 ▹

ORBITAL INFORMATION

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(ASCII data file 148169.eq1)

Keplerian elements at epoch
60400.0 MJD
	Value	1-σ variation	Units
a	2.24408	7.526e-09	au
e	0.055457	3.494e-08
i	6.827	4.351e-06	deg
Ω	254.836	3.821e-05	deg
ω	237.351	6.313e-05	deg
M	35.556	5.018e-05	deg

Other useful info
Absolute Magnitude (H)	16.5	mag
Slope parameter (G)	0.15	mag
Perihelion	2.1196	au
Aphelion	2.3685	au
Asc. node-Earth separation	1.29148	au
Desc. node-Earth separation	1.18768	au
Earth MOID	1.14385	au
Orbital period	1227.88	days
Date of orbit computation	apr 23 20:19

Correlation matrix
1.00000000	0.06426782	-0.00263971	0.01014700	0.13232510	-0.24874238
0.06426782	1.00000000	-0.00103209	0.00147062	0.20053583	-0.23713337
-0.00263971	-0.00103209	1.00000000	-0.33636052	0.20516155	-0.00441707
0.01014700	0.00147062	-0.33636052	1.00000000	-0.60459092	0.00435354
0.13232510	0.20053583	0.20516155	-0.60459092	1.00000000	-0.79521433
-0.24874238	-0.23713337	-0.00441707	0.00435354	-0.79521433	1.00000000

Covariance matrix
5.66396069E-17	1.69010171E-17	-8.64289465E-17	2.91804382E-15	6.28687630E-14	-9.39301826E-14
1.69010171E-17	1.22100746E-15	-1.56899654E-16	1.96360025E-15	4.42367998E-13	-4.15764195E-13
-8.64289465E-17	-1.56899654E-16	1.89271999E-11	-5.59167968E-11	5.63471186E-11	-9.64212325E-13
2.91804382E-15	1.96360025E-15	-5.59167968E-11	1.46011876E-09	-1.45843903E-09	8.34703230E-12
6.28687630E-14	4.42367998E-13	5.63471186E-11	-1.45843903E-09	3.98533773E-09	-2.51890634E-09
-9.39301826E-14	-4.15764195E-13	-9.64212325E-13	8.34703230E-12	-2.51890634E-09	2.51762195E-09