Asteroid General Data

2021 TA₁

General information

Preliminary designation	2021 TA₁
Group	Apollo
Absolute magnitude	25.52
Approximate diameter (m)	21
Approximate mass (kg)	1.67·10⁷
Number of observations	53
Arc length (days)	10

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	215.109736
a – orbit major semiaxis (astronomical units)	2.14205000
e – orbit eccentricity	0.52668600
ω – orbit ascending node-perihelion angle (degrees)	336.290897
Ω – longitude of orbit ascending node (degrees)	8.725313
i – orbit inclination to the ecliptic plane (degrees)	5.853921

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	186.217674	2.14072225	0.52807269	332.174124	11.237491	5.732155	1.01026529	3.132140
01/21/1858	278.786401	2.14242560	0.52538860	332.762883	10.921551	5.753945	1.01681960	3.135879
01/29/1887	10.970334	2.14250597	0.52790849	333.517059	10.460939	5.777133	1.01145888	3.136055
02/07/1916	102.384487	2.14220389	0.52574365	333.902515	10.180851	5.778525	1.01595379	3.135392
02/14/1945	195.722695	2.14307050	0.52713942	334.580366	9.762068	5.801999	1.01337357	3.137295
02/22/1974	290.695302	2.14049283	0.52558073	335.068159	9.433380	5.822442	1.01549105	3.131636
03/02/2003	27.761552	2.13778277	0.52715540	335.710150	8.985732	5.849724	1.01083904	3.125690
03/09/2032	123.760785	2.14302431	0.52586319	336.282688	8.702578	5.847492	1.01608671	3.137193
03/17/2061	217.284892	2.13971485	0.52772966	336.945951	8.350505	5.871340	1.01052385	3.129929
03/25/2090	308.769491	2.14289444	0.52632572	337.325145	8.102135	5.863227	1.01503399	3.136908
04/03/2119	44.613337	2.14064091	0.52755110	338.159561	7.703869	5.889532	1.01134344	3.131961
04/10/2148	139.373971	2.13903733	0.52686251	338.538426	7.413835	5.891392	1.01205877	3.128442
04/18/2177	233.889288	2.14269720	0.52746473	339.247896	7.125996	5.898952	1.01250000	3.136475

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