Asteroid General Data

2022 UN₂₁

General information

Preliminary designation	2022 UN₂₁
Group	Apollo
Absolute magnitude	26.45
Approximate diameter (m)	14
Approximate mass (kg)	4.63·10⁶
Number of observations	37
Arc length (days)	10

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	210.078818
a – orbit major semiaxis (astronomical units)	1.77981600
e – orbit eccentricity	0.50032700
ω – orbit ascending node-perihelion angle (degrees)	56.099820
Ω – longitude of orbit ascending node (degrees)	36.819077
i – orbit inclination to the ecliptic plane (degrees)	7.569297

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	219.873403	1.78493144	0.49948684	52.812615	39.403895	7.768380	0.89338167	2.384695
01/21/1858	277.849779	1.78565663	0.49891060	53.252831	39.001658	7.745372	0.89477360	2.386149
01/29/1887	335.684040	1.78566720	0.49858820	53.629911	38.670518	7.727660	0.89535460	2.386170
02/07/1916	38.568522	1.78270461	0.49831476	54.244167	38.249882	7.691129	0.89435659	2.380234
02/14/1945	108.143992	1.78276847	0.49904069	54.664638	37.906376	7.672371	0.89309446	2.380362
02/22/1974	178.782533	1.78232728	0.50000847	55.127154	37.537237	7.642618	0.89114855	2.379479
03/02/2003	247.385867	1.78296211	0.50037390	55.601653	37.157115	7.625201	0.89081440	2.380750
03/09/2032	318.310908	1.78100204	0.50142752	56.266064	36.720477	7.567730	0.88795860	2.376825
03/17/2061	31.967798	1.78135341	0.50207333	56.696741	36.324360	7.543570	0.88698337	2.377529
03/25/2090	105.424763	1.78209765	0.50253044	57.212850	35.954280	7.521996	0.88653934	2.379019
04/03/2119	180.247011	1.78073057	0.50331878	57.878678	35.492892	7.495395	0.88445543	2.376282
04/10/2148	260.168792	1.77914560	0.50365413	58.438195	35.118351	7.473741	0.88307157	2.373110
04/18/2177	343.243039	1.77919188	0.50440460	59.159325	34.621191	7.445735	0.88175931	2.373202

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