Asteroid General Data

2021 TC₄

General information

Preliminary designation	2021 TC₄
Group	Aten
Absolute magnitude	26.47
Approximate diameter (m)	13
Approximate mass (kg)	4.51·10⁶
Number of observations	35
Arc length (days)	13

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	171.979530
a – orbit major semiaxis (astronomical units)	0.98470600
e – orbit eccentricity	0.05754700
ω – orbit ascending node-perihelion angle (degrees)	22.342170
Ω – longitude of orbit ascending node (degrees)	195.526281
i – orbit inclination to the ecliptic plane (degrees)	9.935062

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	48.311228	0.98490228	0.05883763	25.184239	198.168839	9.851959	0.92695296	0.977440
01/21/1858	298.429274	0.98452338	0.05847324	24.228934	197.668259	9.872944	0.92695510	0.976877
01/29/1887	191.726699	0.98448620	0.05839620	24.458855	197.558574	9.875944	0.92699594	0.976821
02/07/1916	88.170750	0.98438195	0.05859322	23.756407	197.076125	9.884796	0.92670383	0.976666
02/14/1945	345.734595	0.98414250	0.05862627	23.319478	196.601553	9.894293	0.92644589	0.976310
02/22/1974	244.758694	0.98417120	0.05863237	23.494204	196.495005	9.897243	0.92646691	0.976352
03/02/2003	137.540543	0.98470407	0.05814774	23.132485	196.005146	9.912614	0.92744575	0.977145
03/09/2032	29.527625	0.98465284	0.05754754	22.386137	195.506328	9.935816	0.92798849	0.977069
03/17/2061	280.482778	0.98469922	0.05755019	22.628810	195.397332	9.938711	0.92802960	0.977138
03/25/2090	164.848879	0.98523359	0.05692286	21.938572	194.892871	9.958999	0.92915127	0.977934
04/03/2119	48.384962	0.98502183	0.05692037	21.496637	194.392156	9.969839	0.92895402	0.977618
04/10/2148	292.588777	0.98505676	0.05695379	21.707232	194.283620	9.973273	0.92895405	0.977670
04/18/2177	179.674324	0.98500518	0.05679130	20.668467	193.779702	9.988998	0.92906545	0.977594

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