Asteroid General Data

2021 TN₃

General information

Preliminary designation	2021 TN₃
Group	Aten
Absolute magnitude	25.18
Approximate diameter (m)	24
Approximate mass (kg)	2.68·10⁷
Number of observations	35
Arc length (days)	768

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	237.373054
a – orbit major semiaxis (astronomical units)	0.98843700
e – orbit eccentricity	0.19596000
ω – orbit ascending node-perihelion angle (degrees)	137.263816
Ω – longitude of orbit ascending node (degrees)	20.445639
i – orbit inclination to the ecliptic plane (degrees)	4.177730

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	339.827995	0.99170685	0.19820052	133.357520	24.526059	4.396617	0.79515004	0.987587
01/21/1858	131.562211	0.99095791	0.19819120	133.714082	24.386289	4.391090	0.79455877	0.986469
01/29/1887	293.386780	0.99017290	0.19757747	134.360818	24.254302	4.382210	0.79453705	0.985297
02/07/1916	85.270220	0.99072322	0.19875829	135.136288	22.958500	4.326729	0.79380876	0.986119
02/14/1945	241.782565	0.98992934	0.19793987	135.306123	22.856985	4.321473	0.79398286	0.984933
02/22/1974	58.382401	0.98841738	0.19695243	136.436023	21.654778	4.262889	0.79374618	0.982678
03/02/2003	253.024686	0.98805213	0.19644946	136.577366	21.555739	4.258690	0.79394982	0.982133
03/09/2032	83.351986	0.98875985	0.19775406	137.507281	20.394318	4.210599	0.79322857	0.983189
03/17/2061	266.707626	0.98838450	0.19731268	138.119105	20.280567	4.199939	0.79336371	0.982629
03/25/2090	102.672450	0.98775732	0.19724410	138.857397	19.218711	4.162335	0.79292802	0.981694
04/03/2119	294.649459	0.98866939	0.19796900	139.296456	19.099066	4.154740	0.79294350	0.983054
04/10/2148	128.447697	0.98771732	0.19757747	140.169856	17.928271	4.106143	0.79256663	0.981634
04/18/2177	324.807687	0.98839828	0.19821479	140.363337	17.820621	4.102366	0.79248312	0.982649

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