Asteroid General Data

2021 AT₃

General information

Preliminary designation	2021 AT₃
Group	Apollo
Absolute magnitude	25.28
Approximate diameter (m)	23
Approximate mass (kg)	2.33·10⁷
Number of observations	33
Arc length (days)	8

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	38.857814
a – orbit major semiaxis (astronomical units)	1.51514100
e – orbit eccentricity	0.36229200
ω – orbit ascending node-perihelion angle (degrees)	98.995214
Ω – longitude of orbit ascending node (degrees)	323.448132
i – orbit inclination to the ecliptic plane (degrees)	4.017264

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	24.132171	1.51469009	0.36276496	94.515484	327.038941	4.020090	0.96521360	1.864173
01/21/1858	228.488431	1.51356361	0.36205965	95.159965	326.556774	4.013102	0.96556330	1.862094
01/29/1887	74.828115	1.51492545	0.36240510	95.711211	326.132476	4.018119	0.96590874	1.864608
02/07/1916	280.110922	1.51491678	0.36247174	96.490643	325.525288	4.013007	0.96580226	1.864592
02/14/1945	123.535687	1.51463097	0.36225557	97.138236	324.953170	4.008620	0.96594747	1.864064
02/22/1974	327.026296	1.51452651	0.36203761	97.600628	324.627645	4.007582	0.96621096	1.863871
03/02/2003	170.443654	1.51474383	0.36222231	98.315540	323.995810	4.012500	0.96606982	1.864273
03/09/2032	15.719567	1.51506165	0.36237693	99.123699	323.366664	4.013420	0.96603827	1.864859
03/17/2061	219.787717	1.51422624	0.36197938	99.748826	322.820341	4.006884	0.96610756	1.863317
03/25/2090	62.821308	1.51459340	0.36238422	100.417856	322.218762	4.011539	0.96572865	1.863995
04/03/2119	266.332077	1.51392262	0.36190520	100.888505	321.889743	4.010475	0.96602615	1.862757
04/10/2148	112.377221	1.51479754	0.36200506	101.538394	321.329638	4.021246	0.96643316	1.864372
04/18/2177	319.535166	1.51408985	0.36181545	102.294538	320.687307	4.032435	0.96626875	1.863065

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