Asteroid General Data

2015 TN₂₁

General information

Preliminary designation	2015 TN₂₁
Group	Apollo
Absolute magnitude	27.10
Approximate diameter (m)	10
Approximate mass (kg)	1.89·10⁶
Number of observations	50
Arc length (days)	2

Approaches

Date	Object	r, AU	r, km
10/08/1886 12:12:58 AM	Moon	0.000769	114 968

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	327.839383
a – orbit major semiaxis (astronomical units)	1.34552052
e – orbit eccentricity	0.46231416
ω – orbit ascending node-perihelion angle (degrees)	86.507020
Ω – longitude of orbit ascending node (degrees)	13.536242
i – orbit inclination to the ecliptic plane (degrees)	2.225726

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	159.698550	1.33533925	0.45970527	83.611247	16.448794	2.384621	0.72147676	1.543079
01/21/1858	96.218799	1.33467620	0.45945982	83.895068	16.123017	2.383671	0.72144611	1.541929
01/29/1887	36.691189	1.35139538	0.46228327	82.977994	15.826148	2.303149	0.72666791	1.570993
02/07/1916	214.229342	1.35087138	0.46248276	83.395093	15.507679	2.300847	0.72611665	1.570079
02/14/1945	33.475441	1.35210043	0.46280129	84.201936	14.905865	2.289395	0.72634661	1.572223
02/22/1974	183.974877	1.35431843	0.46373971	84.800309	14.492042	2.283952	0.72626719	1.576093
03/02/2003	328.041756	1.35546828	0.46434774	85.370654	14.085190	2.283539	0.72605964	1.578100
03/09/2032	151.125904	1.34528323	0.46231485	86.547096	13.494849	2.223941	0.72333881	1.560347
03/17/2061	355.555995	1.34640806	0.46276229	87.043703	13.223642	2.217586	0.72334119	1.562304
03/25/2090	213.494125	1.34361417	0.46212045	87.392092	12.854724	2.218894	0.72270259	1.557444
04/03/2119	81.904510	1.34332042	0.46162428	87.995897	12.443185	2.212837	0.72321110	1.556933
04/10/2148	287.479512	1.34964074	0.46346366	88.829713	11.728361	2.197127	0.72413130	1.567934
04/18/2177	110.834026	1.34855605	0.46276628	89.780587	10.931521	2.183765	0.72448979	1.566045

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