Asteroid General Data

2021 TM

General information

Preliminary designation	2021 TM
Group	Apollo
Absolute magnitude	27.35
Approximate diameter (m)	9
Approximate mass (kg)	1.34·10⁶
Number of observations	43
Arc length (days)	4

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	319.891043
a – orbit major semiaxis (astronomical units)	1.87081900
e – orbit eccentricity	0.56640600
ω – orbit ascending node-perihelion angle (degrees)	62.814466
Ω – longitude of orbit ascending node (degrees)	11.482512
i – orbit inclination to the ecliptic plane (degrees)	8.910552

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	132.405828	1.88387460	0.56785461	57.314784	15.610063	9.257224	0.81410772	2.585703
01/21/1858	214.611037	1.88336674	0.56850198	58.108047	14.957850	9.211012	0.81266902	2.584657
01/29/1887	297.821121	1.88269410	0.56813624	58.685999	14.458368	9.180248	0.81306735	2.583273
02/07/1916	23.142822	1.88190490	0.56817618	59.579338	13.766009	9.131506	0.81265137	2.581649
02/14/1945	108.931260	1.88217238	0.56819883	60.197512	13.264217	9.099140	0.81272424	2.582199
02/22/1974	191.808562	1.88296048	0.56874936	61.129765	12.539558	9.047326	0.81202790	2.583821
03/02/2003	273.783205	1.88329052	0.56849733	61.744467	12.023357	9.015864	0.81264489	2.584500
03/09/2032	9.831067	1.87068674	0.56709125	63.136257	11.258521	8.897249	0.80983666	2.558599
03/17/2061	132.426487	1.87092398	0.56680771	63.677138	10.759846	8.868202	0.81046985	2.559086
03/25/2090	254.790187	1.87038831	0.56715329	64.532609	10.075603	8.826612	0.80959142	2.557987
04/03/2119	15.357258	1.87314193	0.56706084	65.166043	9.448635	8.786643	0.81095649	2.563638
04/10/2148	131.377761	1.87282866	0.56694767	65.914227	8.841763	8.752589	0.81103282	2.562995
04/18/2177	247.428076	1.87233313	0.56676546	66.731015	8.125559	8.718613	0.81115938	2.561977

Detailed table...

3D animation...

Calculation on the date...

Return to search