Asteroid General Data

1999 TT₁₆

General information

Preliminary designation	1999 TT₁₆
Group	Apollo
Absolute magnitude	19.96
Approximate diameter (m)	270
Approximate mass (kg)	3.63·10¹⁰
Number of observations	440
Arc length (days)	7170

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	141.413087
a – orbit major semiaxis (astronomical units)	2.15717600
e – orbit eccentricity	0.66310000
ω – orbit ascending node-perihelion angle (degrees)	149.671688
Ω – longitude of orbit ascending node (degrees)	327.102197
i – orbit inclination to the ecliptic plane (degrees)	1.987572

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	73.955609	2.16238663	0.66373893	142.946349	332.331491	1.982491	0.72712645	3.179806
01/21/1858	125.253130	2.16176241	0.66375191	144.374887	331.305505	2.001225	0.72688848	3.178429
01/29/1887	178.310050	2.15615748	0.66630703	144.974370	330.882442	2.005621	0.71949460	3.166076
02/07/1916	228.804569	2.16175113	0.66421640	145.758840	330.410949	1.998457	0.72588057	3.178404
02/14/1945	272.767571	2.16505728	0.66467062	147.072165	329.497645	2.011844	0.72600732	3.185699
02/22/1974	311.495301	2.16147080	0.66670722	148.129235	328.649421	2.033130	0.72040260	3.177786
03/02/2003	351.089543	2.16664877	0.66403695	148.297646	328.529978	2.006111	0.72791393	3.189212
03/09/2032	36.791810	2.15855900	0.66506754	149.721435	327.570198	2.018768	0.72297147	3.171367
03/17/2061	86.707836	2.15572121	0.66576327	150.443615	326.947703	2.028851	0.72052120	3.165115
03/25/2090	141.319918	2.16060755	0.66210494	151.889507	325.743655	2.008354	0.73005861	3.175883
04/03/2119	196.923005	2.15998184	0.66294050	153.042547	324.998308	2.018697	0.72804239	3.174503
04/10/2148	242.053757	2.16549118	0.66320318	153.587972	324.499142	1.998370	0.72933054	3.186656
04/18/2177	282.675424	2.16644526	0.66220776	154.524552	323.894705	2.005082	0.73180839	3.188763

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