Asteroid General Data

2021 UO₃

General information

Preliminary designation	2021 UO₃
Group	Apollo
Absolute magnitude	26.95
Approximate diameter (m)	11
Approximate mass (kg)	2.32·10⁶
Number of observations	58
Arc length (days)	20

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	64.471400
a – orbit major semiaxis (astronomical units)	1.68984400
e – orbit eccentricity	0.42494000
ω – orbit ascending node-perihelion angle (degrees)	214.893455
Ω – longitude of orbit ascending node (degrees)	220.527153
i – orbit inclination to the ecliptic plane (degrees)	1.574622

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	131.190148	1.68670704	0.42349352	206.798787	227.769758	2.066829	0.97239753	2.190585
01/21/1858	218.480012	1.68824726	0.42405920	207.348456	227.396511	2.066916	0.97233048	2.193586
01/29/1887	299.269434	1.68769074	0.42420473	209.079293	225.883960	1.808845	0.97176435	2.192502
02/07/1916	23.538959	1.68944622	0.42453317	209.608476	225.540657	1.809509	0.97222027	2.195923
02/14/1945	94.670820	1.69437017	0.42608292	212.074824	222.813739	1.676948	0.97242799	2.205530
02/22/1974	144.382365	1.69614918	0.42670431	212.661461	222.431461	1.677134	0.97239501	2.209005
03/02/2003	189.953029	1.69869310	0.42727587	213.822334	221.130877	1.617069	0.97288253	2.213976
03/09/2032	241.644598	1.69039947	0.42476226	214.977338	220.473747	1.574884	0.97238157	2.197782
03/17/2061	324.466209	1.68784030	0.42434174	215.429264	220.193545	1.578075	0.97161922	2.192793
03/25/2090	46.251951	1.69158487	0.42570856	217.486168	218.263569	1.551025	0.97146270	2.200094
04/03/2119	103.930100	1.69587336	0.42653811	219.013968	216.986781	1.539076	0.97251874	2.208466
04/10/2148	155.712410	1.69473777	0.42632367	219.457147	216.689053	1.542938	0.97223094	2.206248
04/18/2177	204.002379	1.69698441	0.42686047	221.012012	215.064021	1.490936	0.97260885	2.210637

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