Asteroid General Data

2021 TK₄

General information

Preliminary designation	2021 TK₄
Group	Amor
Absolute magnitude	23.19
Approximate diameter (m)	61
Approximate mass (kg)	4.19·10⁸
Number of observations	23
Arc length (days)	49

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	16.291091
a – orbit major semiaxis (astronomical units)	1.81221100
e – orbit eccentricity	0.32975400
ω – orbit ascending node-perihelion angle (degrees)	275.627937
Ω – longitude of orbit ascending node (degrees)	87.515784
i – orbit inclination to the ecliptic plane (degrees)	2.383295

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	25.989514	1.81316562	0.32988933	273.651118	88.368228	2.375425	1.21502163	2.441501
01/21/1858	344.629294	1.81319308	0.33003618	273.949543	88.221270	2.374894	1.21477375	2.441556
01/29/1887	303.622108	1.81264018	0.33007231	274.323591	88.069292	2.374916	1.21433785	2.440439
02/07/1916	263.123066	1.81302522	0.33004078	274.567454	87.946628	2.375173	1.21465296	2.441217
02/14/1945	222.104266	1.81301593	0.33029829	274.914536	87.774676	2.375093	1.21417987	2.441198
02/22/1974	181.703203	1.81300140	0.33006624	275.175962	87.640444	2.374716	1.21459085	2.441169
03/02/2003	142.264410	1.81248516	0.32999668	275.419538	87.623904	2.382478	1.21437107	2.440126
03/09/2032	104.176547	1.81226780	0.32975186	275.752327	87.476471	2.383089	1.21466913	2.439687
03/17/2061	66.447085	1.81264142	0.32996688	276.072370	87.328380	2.382716	1.21452979	2.440442
03/25/2090	28.419808	1.81187807	0.32968157	276.438804	87.182625	2.383171	1.21453526	2.438900
04/03/2119	351.212506	1.81205054	0.32984289	276.704703	87.059637	2.388948	1.21435856	2.439249
04/10/2148	313.416256	1.81201109	0.33003166	277.106460	86.881754	2.388616	1.21399005	2.439169
04/18/2177	275.665934	1.81216158	0.32996781	277.331943	86.758030	2.388065	1.21420660	2.439473

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