Asteroid General Data

2025 UN₉

General information

Preliminary designation	2025 UN₉
Group	Apollo
Absolute magnitude	28.18
Approximate diameter (m)	6
Approximate mass (kg)	4.25·10⁵
Number of observations	50
Arc length (days)	17

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	224.363806
a – orbit major semiaxis (astronomical units)	1.25088900
e – orbit eccentricity	0.19149300
ω – orbit ascending node-perihelion angle (degrees)	3.681266
Ω – longitude of orbit ascending node (degrees)	36.251724
i – orbit inclination to the ecliptic plane (degrees)	0.772718

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	160.796653	1.25830926	0.19506501	355.175394	40.054505	0.746780	1.01285715	1.411503
01/21/1858	29.965973	1.25567860	0.19398989	357.510260	38.937194	0.766411	1.01208965	1.407079
01/29/1887	279.948062	1.24856864	0.19029237	359.059130	38.187656	0.775765	1.01097556	1.395145
02/07/1916	211.420612	1.24838112	0.18996692	359.114592	38.166905	0.773082	1.01123001	1.394830
02/14/1945	115.089122	1.25461493	0.19346674	359.840034	37.798328	0.768129	1.01188867	1.405291
02/22/1974	348.056407	1.25448865	0.19315892	359.879167	37.776869	0.765259	1.01217298	1.405079
03/02/2003	261.441506	1.24698111	0.18912367	1.749347	36.976752	0.777882	1.01114747	1.392485
03/09/2032	193.201445	1.25093042	0.19155921	3.713296	36.253039	0.772225	1.01130318	1.399105
03/17/2061	146.119948	1.24852030	0.19053627	5.894534	35.316700	0.778701	1.01063190	1.395064
03/25/2090	89.738541	1.24705735	0.18974211	6.222407	35.161177	0.776743	1.01043806	1.392612
04/03/2119	30.108591	1.24522551	0.18922056	9.893441	33.716968	0.765186	1.00960325	1.389545
04/10/2148	338.953144	1.24612192	0.18960413	10.356340	33.496490	0.761712	1.00985206	1.391046
04/18/2177	290.223836	1.24467383	0.18875748	10.872024	33.260794	0.759682	1.00973233	1.388622

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