Asteroid General Data

2021 UL₉

General information

Preliminary designation	2021 UL₉
Group	Apollo
Absolute magnitude	21.62
Approximate diameter (m)	130
Approximate mass (kg)	3.66·10⁹
Number of observations	52
Arc length (days)	132

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	13.637137
a – orbit major semiaxis (astronomical units)	2.73398200
e – orbit eccentricity	0.69615500
ω – orbit ascending node-perihelion angle (degrees)	103.672389
Ω – longitude of orbit ascending node (degrees)	357.013570
i – orbit inclination to the ecliptic plane (degrees)	12.775212

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	235.893398	2.75647940	0.69140632	73.320215	27.149130	12.761579	0.85063211	4.576492
01/21/1858	4.853658	2.74921397	0.69432013	79.186013	21.222630	12.532343	0.84037935	4.558410
01/29/1887	137.928376	2.75537417	0.69176401	81.852280	18.641472	12.407422	0.84930548	4.573740
02/07/1916	268.925280	2.74538680	0.69474110	87.795913	12.680544	12.381539	0.83805375	4.548895
02/14/1945	44.400421	2.75579041	0.69137039	90.846083	9.681533	12.321246	0.85051852	4.574777
02/22/1974	177.257857	2.74070593	0.69493897	96.163952	4.434927	12.477352	0.83608258	4.537266
03/02/2003	315.795807	2.75582359	0.69012944	99.983790	0.594346	12.522785	0.85394861	4.574859
03/09/2032	89.061833	2.73946355	0.69545358	103.770967	356.947856	12.768742	0.83429382	4.534182
03/17/2061	226.180533	2.75721524	0.68862995	108.377478	352.241239	12.975088	0.85851426	4.578325
03/25/2090	356.647160	2.73942995	0.69392517	110.968688	349.782804	13.244800	0.83847057	4.534098
04/03/2119	132.489479	2.75681818	0.68568371	115.769057	344.886581	13.624573	0.86651285	4.577336
04/10/2148	262.155571	2.73876692	0.69066731	117.757452	343.045585	13.896088	0.84719015	4.532452
04/18/2177	34.812172	2.76033167	0.68149161	122.226638	338.488877	14.422983	0.87918879	4.586089

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