Asteroid General Data

2021 TN

General information

Preliminary designation	2021 TN
Group	Amor
Absolute magnitude	25.80
Approximate diameter (m)	18
Approximate mass (kg)	1.14·10⁷
Number of observations	20
Arc length (days)	2

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	116.116075
a – orbit major semiaxis (astronomical units)	2.39725800
e – orbit eccentricity	0.55217100
ω – orbit ascending node-perihelion angle (degrees)	196.325920
Ω – longitude of orbit ascending node (degrees)	190.397319
i – orbit inclination to the ecliptic plane (degrees)	14.146754

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	68.819958	2.39899644	0.55121513	192.160452	192.598381	14.353371	1.07663331	3.715737
01/21/1858	359.338117	2.40171886	0.54865356	192.356538	192.309953	14.307796	1.08400726	3.722064
01/29/1887	282.036156	2.39856289	0.55061301	193.531307	191.929562	14.286453	1.07788295	3.714730
02/07/1916	214.914074	2.40059896	0.54953747	193.614465	191.674476	14.266370	1.08137988	3.719461
02/14/1945	138.931085	2.40219080	0.54809581	194.782349	191.238275	14.195746	1.08556009	3.723161
02/22/1974	72.696210	2.39997575	0.55019516	194.919911	191.012801	14.204701	1.07952070	3.718013
03/02/2003	356.211142	2.40407144	0.54667458	196.005029	190.580080	14.081419	1.08982670	3.727534
03/09/2032	287.453709	2.39891921	0.55136336	196.278354	190.358123	14.130950	1.07624305	3.715558
03/17/2061	212.478224	2.40526121	0.54690844	197.277651	189.879574	13.995414	1.08980355	3.730302
03/25/2090	140.726555	2.39662748	0.55290288	197.725029	189.668312	14.054756	1.07152525	3.710235
04/03/2119	68.928306	2.40365798	0.54778472	198.490389	189.162339	13.922363	1.08697086	3.726573
04/10/2148	355.892605	2.39718288	0.55379620	199.172350	188.906432	13.951792	1.06963211	3.711525
04/18/2177	285.834756	2.40327690	0.54889572	199.702415	188.452934	13.842901	1.08412848	3.725687

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