Asteroid General Data

2021 UH₂

General information

Preliminary designation	2021 UH₂
Group	Aten
Absolute magnitude	25.04
Approximate diameter (m)	26
Approximate mass (kg)	3.25·10⁷
Number of observations	147
Arc length (days)	1582

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	110.956465
a – orbit major semiaxis (astronomical units)	0.98120300
e – orbit eccentricity	0.17225700
ω – orbit ascending node-perihelion angle (degrees)	321.683917
Ω – longitude of orbit ascending node (degrees)	313.106855
i – orbit inclination to the ecliptic plane (degrees)	0.281904

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	32.844046	0.97994991	0.17097723	308.200428	332.365561	0.394088	0.81240079	0.970077
01/21/1858	342.981168	0.98323386	0.17057240	309.490237	329.084075	0.353743	0.81552130	0.974958
01/29/1887	271.505093	0.97999467	0.17100678	315.295159	321.828380	0.322423	0.81240894	0.970144
02/07/1916	239.285283	0.97950832	0.17136699	316.233851	320.287746	0.315404	0.81165293	0.969422
02/14/1945	185.836657	0.98128441	0.17110507	317.331077	318.608631	0.301759	0.81338167	0.972060
02/22/1974	117.879454	0.98253235	0.17132274	318.370367	317.002202	0.294918	0.81420222	0.973915
03/02/2003	45.191221	0.98243065	0.17160325	320.022588	315.312375	0.288543	0.81384236	0.973763
03/09/2032	339.771195	0.98084540	0.17194414	321.940538	312.985555	0.279567	0.81219478	0.971407
03/17/2061	286.753491	0.98323166	0.17175596	324.604379	310.252881	0.270197	0.81435576	0.974955
03/25/2090	208.601693	0.98254920	0.17132393	325.612972	309.458550	0.264948	0.81421501	0.973940
04/03/2119	131.337273	0.98260948	0.17141024	328.363724	307.125781	0.255064	0.81418016	0.974029
04/10/2148	155.168933	0.97090798	0.17240913	51.633995	223.582826	0.401820	0.80351458	0.956682
04/18/2177	347.972668	0.96692326	0.17301836	60.072859	214.811305	0.455256	0.79962779	0.950799

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