Asteroid General Data

2021 ST₃

General information

Preliminary designation	2021 ST₃
Group	Amor
Absolute magnitude	24.43
Approximate diameter (m)	35
Approximate mass (kg)	7.55·10⁷
Number of observations	26
Arc length (days)	11

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	74.525373
a – orbit major semiaxis (astronomical units)	2.53543300
e – orbit eccentricity	0.57864200
ω – orbit ascending node-perihelion angle (degrees)	47.395039
Ω – longitude of orbit ascending node (degrees)	352.116951
i – orbit inclination to the ecliptic plane (degrees)	6.355489

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	60.117470	2.46417731	0.62607721	39.489845	359.775772	7.062411	0.92141205	3.868197
01/21/1858	237.873062	2.46932146	0.62469260	39.669433	359.401092	7.029370	0.92675462	3.880316
01/29/1887	46.502778	2.47382132	0.61986119	40.191861	358.790701	6.971214	0.94039549	3.890927
02/07/1916	195.524684	2.49178474	0.60854410	42.098995	357.087742	6.788087	0.97542383	3.933384
02/14/1945	318.290579	2.50572130	0.59908408	44.172873	355.322259	6.611373	1.00458356	3.966430
02/22/1974	55.298405	2.52549494	0.58622924	46.448274	353.312848	6.435245	1.04497595	4.013473
03/02/2003	133.234060	2.53192016	0.58104497	47.149161	352.535441	6.381156	1.06076068	4.028799
03/09/2032	203.299086	2.53474267	0.57895622	47.343273	352.091674	6.353167	1.06723764	4.035538
03/17/2061	271.656848	2.53441720	0.58129243	47.438509	351.786887	6.339414	1.06117966	4.034761
03/25/2090	350.486801	2.51977213	0.59122901	48.200788	351.082301	6.295244	1.03000975	3.999839
04/03/2119	90.907836	2.50555935	0.60115885	49.620367	349.979440	6.211056	0.99932017	3.966045
04/10/2148	216.085036	2.49000486	0.61347596	51.852167	348.196530	6.070042	0.96244673	3.929171
04/18/2177	8.119783	2.47392531	0.62303230	53.339405	346.957313	6.002172	0.93258993	3.891173

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