Asteroid General Data

2025 UM₉

General information

Preliminary designation	2025 UM₉
Group	Apollo
Absolute magnitude	21.08
Approximate diameter (m)	160
Approximate mass (kg)	7.73·10⁹
Number of observations	57
Arc length (days)	15

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	117.609856
a – orbit major semiaxis (astronomical units)	2.21943100
e – orbit eccentricity	0.70085800
ω – orbit ascending node-perihelion angle (degrees)	2.661550
Ω – longitude of orbit ascending node (degrees)	280.002014
i – orbit inclination to the ecliptic plane (degrees)	6.743939

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	192.962138	2.22286047	0.69924320	358.529339	282.380274	6.719655	0.66854041	3.314125
01/21/1858	111.248411	2.21967951	0.70081626	359.152704	281.978585	6.753431	0.66409201	3.307014
01/29/1887	30.567334	2.22065733	0.69949121	359.666452	281.688442	6.741589	0.66732706	3.309199
02/07/1916	309.350650	2.22019870	0.70027074	0.361382	281.322350	6.759487	0.66545851	3.308174
02/14/1945	232.315360	2.21845761	0.70095095	0.850812	280.999741	6.767454	0.66342763	3.304284
02/22/1974	151.128847	2.22061708	0.70041847	1.561694	280.627033	6.756711	0.66525587	3.309109
03/02/2003	74.311113	2.21656135	0.70248962	2.060061	280.288974	6.774358	0.65945001	3.300048
03/09/2032	353.087975	2.22078239	0.70050671	2.703427	279.938989	6.736915	0.66510942	3.309479
03/17/2061	274.729110	2.21648576	0.70352620	3.253766	279.584857	6.765941	0.65712995	3.299879
03/25/2090	195.784203	2.22041711	0.70051994	3.815741	279.242097	6.718198	0.66497065	3.308662
04/03/2119	118.459778	2.21827290	0.70202464	4.487157	278.840389	6.726772	0.66099068	3.303871
04/10/2148	42.084501	2.21942546	0.70108426	4.973358	278.538531	6.695243	0.66342119	3.306446
04/18/2177	323.144850	2.21974590	0.70165830	5.675451	278.156266	6.681332	0.66224276	3.307162

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