Asteroid General Data

1999 TO₁₃

General information

Preliminary designation	1999 TO₁₃
Group	Apollo
Absolute magnitude	21.31
Approximate diameter (m)	150
Approximate mass (kg)	5.62·10⁹
Number of observations	97
Arc length (days)	11

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	218.602821
a – orbit major semiaxis (astronomical units)	1.58081000
e – orbit eccentricity	0.43522200
ω – orbit ascending node-perihelion angle (degrees)	302.468001
Ω – longitude of orbit ascending node (degrees)	14.841300
i – orbit inclination to the ecliptic plane (degrees)	20.277015

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	81.544523	1.58247898	0.43749625	300.406178	16.485051	20.150493	0.89015037	1.990708
01/21/1858	293.975053	1.58127500	0.43694741	300.680514	16.250150	20.164972	0.89034098	1.988436
01/29/1887	148.122057	1.58142051	0.43691171	301.002260	16.003119	20.184092	0.89047937	1.988711
02/07/1916	0.312733	1.58175296	0.43670370	301.286525	15.793060	20.200157	0.89099559	1.989338
02/14/1945	212.346956	1.58171735	0.43637558	301.574934	15.551175	20.219222	0.89149453	1.989271
02/22/1974	66.422586	1.58104811	0.43610019	301.825718	15.346860	20.238014	0.89155273	1.988009
03/02/2003	275.935586	1.58360994	0.43638701	302.274268	15.070890	20.276496	0.89254313	1.992842
03/09/2032	125.816395	1.58126923	0.43527275	302.481171	14.809946	20.296084	0.89298583	1.988426
03/17/2061	340.287413	1.58136016	0.43511263	302.718751	14.601465	20.312733	0.89329039	1.988597
03/25/2090	192.923299	1.58162670	0.43483028	303.062207	14.361523	20.336857	0.89388752	1.989100
04/03/2119	44.614088	1.58177124	0.43442001	303.352428	14.159604	20.355149	0.89461816	1.989373
04/10/2148	257.926135	1.58125259	0.43402756	303.649429	13.921956	20.378982	0.89494538	1.988394
04/18/2177	111.603214	1.58210903	0.43414563	303.923626	13.718362	20.394465	0.89524331	1.990010

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