Asteroid General Data

2021 TC₁

General information

Preliminary designation	2021 TC₁
Group	Apollo
Absolute magnitude	25.31
Approximate diameter (m)	23
Approximate mass (kg)	2.24·10⁷
Number of observations	45
Arc length (days)	359

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	247.009682
a – orbit major semiaxis (astronomical units)	1.00510100
e – orbit eccentricity	0.24654100
ω – orbit ascending node-perihelion angle (degrees)	221.240424
Ω – longitude of orbit ascending node (degrees)	260.901168
i – orbit inclination to the ecliptic plane (degrees)	2.317900

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	288.932711	1.00644943	0.24670518	212.011349	270.009465	2.223740	0.75815314	1.009691
01/21/1858	198.274878	1.00580960	0.24669960	212.620097	269.576610	2.214196	0.75767678	1.008728
01/29/1887	109.992057	1.00615187	0.24667596	213.141317	269.168677	2.206616	0.75795839	1.009243
02/07/1916	21.934578	1.00622399	0.24720653	215.532683	266.666296	2.229132	0.75747885	1.009352
02/14/1945	297.477676	1.00631051	0.24645328	217.419816	264.460959	2.296867	0.75830198	1.009482
02/22/1974	208.349091	1.00574162	0.24652128	217.961330	264.046579	2.290358	0.75780491	1.008626
03/02/2003	121.683711	1.00611342	0.24638550	218.484145	263.642410	2.283475	0.75822166	1.009186
03/09/2032	42.302077	1.00592605	0.24701009	221.188164	260.667976	2.312420	0.75745217	1.008904
03/17/2061	313.622494	1.00699018	0.24704870	222.848754	258.753345	2.392070	0.75821456	1.010505
03/25/2090	209.524760	1.00749070	0.24769320	223.449267	258.265747	2.383577	0.75794210	1.011258
04/03/2119	95.626664	1.00627830	0.24753720	224.519853	257.605041	2.382873	0.75718699	1.009434
04/10/2148	0.248375	1.00729363	0.24696061	226.710319	254.629626	2.491596	0.75853178	1.010962
04/18/2177	258.636272	1.00674306	0.24697408	227.041832	254.362485	2.491364	0.75810361	1.010133

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