Asteroid General Data

1999 GT₃ (66253)

General information

Preliminary designation	1999 GT₃
Number	66253
Group	Apollo
Absolute magnitude	18.40
Approximate diameter (m)	550
Approximate mass (kg)	3.13·10¹¹
Number of observations	429
Arc length (days)	8854

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	331.159381
a – orbit major semiaxis (astronomical units)	1.33409000
e – orbit eccentricity	0.83775000
ω – orbit ascending node-perihelion angle (degrees)	261.159387
Ω – longitude of orbit ascending node (degrees)	157.306802
i – orbit inclination to the ecliptic plane (degrees)	19.497210

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	152.951573	1.33100088	0.83706059	256.506885	162.080222	19.769837	0.21687249	1.535565
01/21/1858	116.103693	1.33128261	0.83715583	257.165566	161.387127	19.726069	0.21679161	1.536052
01/29/1887	76.446770	1.33172264	0.83721199	257.790178	160.741040	19.687269	0.21678848	1.536814
02/07/1916	32.431073	1.33251747	0.83736940	258.569039	159.968938	19.635200	0.21670811	1.538190
02/14/1945	341.451610	1.33314413	0.83742293	259.232559	159.309189	19.594327	0.21673867	1.539275
02/22/1974	287.060844	1.33352319	0.83755279	259.995900	158.523971	19.556024	0.21662712	1.539932
03/02/2003	229.720989	1.33387219	0.83766260	260.623796	157.870741	19.524212	0.21653735	1.540536
03/09/2032	170.435199	1.33401468	0.83784367	261.347729	157.117829	19.487291	0.21631893	1.540783
03/17/2061	110.975680	1.33395919	0.83796140	261.963391	156.469922	19.460575	0.21615288	1.540687
03/25/2090	52.486724	1.33363050	0.83819148	262.628799	155.771880	19.432403	0.21579278	1.540118
04/03/2119	357.658439	1.33296539	0.83814024	263.305201	155.052601	19.407684	0.21575347	1.538966
04/10/2148	310.697020	1.33168284	0.83821943	263.913573	154.381641	19.377044	0.21544041	1.536745
04/18/2177	271.668524	1.33094697	0.83818117	264.643976	153.609846	19.354065	0.21537228	1.535471

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