Asteroid General Data

2015 TP₂₁

General information

Preliminary designation	2015 TP₂₁
Group	Apollo
Absolute magnitude	26.42
Approximate diameter (m)	14
Approximate mass (kg)	4.83·10⁶
Number of observations	23
Arc length (days)	4

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	266.263423
a – orbit major semiaxis (astronomical units)	2.52756000
e – orbit eccentricity	0.60618300
ω – orbit ascending node-perihelion angle (degrees)	330.577892
Ω – longitude of orbit ascending node (degrees)	17.121213
i – orbit inclination to the ecliptic plane (degrees)	1.112607

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	226.315720	2.48510613	0.62829159	330.642253	18.049171	1.219459	0.92373485	3.917581
01/21/1858	12.846378	2.48551068	0.62812366	330.567229	17.974138	1.211529	0.92430261	3.918538
01/29/1887	156.797161	2.48891896	0.62662798	330.516038	17.776641	1.204760	0.92929270	3.926601
02/07/1916	293.301512	2.49398252	0.62292982	330.267305	17.871124	1.188845	0.94040644	3.938590
02/14/1945	67.504477	2.49382087	0.61815277	331.229501	16.693336	1.163359	0.95225860	3.938207
02/22/1974	192.381392	2.50376045	0.61170444	330.879069	16.936979	1.140514	0.97219906	3.961775
03/02/2003	306.237674	2.50852176	0.60724025	330.614009	17.091581	1.124117	0.98524637	3.973081
03/09/2032	36.469063	2.53136854	0.60495091	330.462762	17.160478	1.109007	1.00001485	4.027483
03/17/2061	112.631948	2.52849583	0.60546905	330.421537	16.995840	1.102693	0.99756985	4.020629
03/25/2090	196.706785	2.51936577	0.61058447	330.527447	16.701778	1.101010	0.98108015	3.998871
04/03/2119	295.537685	2.51101309	0.61696479	330.835083	16.395965	1.097527	0.96180642	3.979001
04/10/2148	57.270670	2.48831741	0.62812715	331.511732	15.785062	1.095213	0.92533768	3.925177
04/18/2177	206.200397	2.48047805	0.63452195	331.793107	15.493946	1.092707	0.90656027	3.906643

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