Asteroid General Data

2022 UM₂₁

General information

Preliminary designation	2022 UM₂₁
Group	Aten
Absolute magnitude	26.50
Approximate diameter (m)	13
Approximate mass (kg)	4.32·10⁶
Number of observations	17
Arc length (days)	7

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	310.775907
a – orbit major semiaxis (astronomical units)	0.96861600
e – orbit eccentricity	0.45700400
ω – orbit ascending node-perihelion angle (degrees)	127.466059
Ω – longitude of orbit ascending node (degrees)	36.302059
i – orbit inclination to the ecliptic plane (degrees)	11.383561

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	192.507121	0.96893141	0.45624738	126.072389	37.852452	11.517437	0.52685899	0.953762
01/21/1858	352.478368	0.96840045	0.45636090	126.323217	37.609600	11.501270	0.52646035	0.952978
01/29/1887	151.462714	0.96866447	0.45641504	126.498252	37.401780	11.493145	0.52655143	0.953368
02/07/1916	308.235046	0.96885250	0.45665789	126.705667	37.159228	11.456695	0.52641836	0.953646
02/14/1945	102.692191	0.96915028	0.45667417	126.839209	36.964796	11.446960	0.52656438	0.954086
02/22/1974	256.554679	0.96849894	0.45685849	127.098736	36.728908	11.420062	0.52603198	0.953124
03/02/2003	55.653395	0.96836448	0.45685211	127.298773	36.503814	11.411237	0.52596513	0.952925
03/09/2032	218.446339	0.96857405	0.45693677	127.485525	36.286412	11.383584	0.52599696	0.953235
03/17/2061	17.261608	0.96851355	0.45689822	127.691217	36.039524	11.371797	0.52600144	0.953145
03/25/2090	183.157643	0.96819904	0.45724655	127.960197	35.807042	11.333690	0.52549337	0.952681
04/03/2119	346.668028	0.96861250	0.45718726	128.139310	35.580148	11.322329	0.52577521	0.953291
04/10/2148	147.228192	0.96815821	0.45737891	128.352420	35.373873	11.309029	0.52534306	0.952621
04/18/2177	312.449738	0.96824353	0.45751247	128.567485	35.132153	11.282858	0.52526004	0.952747

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