Asteroid General Data

2011 UF₂₁

General information

Preliminary designation	2011 UF₂₁
Group	Apollo
Absolute magnitude	19.59
Approximate diameter (m)	320
Approximate mass (kg)	6.05·10¹⁰
Number of observations	157
Arc length (days)	5978

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	68.669602
a – orbit major semiaxis (astronomical units)	1.51909700
e – orbit eccentricity	0.40728100
ω – orbit ascending node-perihelion angle (degrees)	65.833741
Ω – longitude of orbit ascending node (degrees)	191.248453
i – orbit inclination to the ecliptic plane (degrees)	21.385455

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	235.039321	1.51912275	0.40511220	63.973552	192.754344	21.503918	0.90370758	1.872362
01/21/1858	53.625846	1.51951412	0.40552058	64.163216	192.555574	21.490703	0.90331987	1.873086
01/29/1887	229.960398	1.51948562	0.40592326	64.501229	192.311454	21.463880	0.90269106	1.873033
02/07/1916	48.724454	1.51917066	0.40586151	64.780584	192.108065	21.451541	0.90259776	1.872451
02/14/1945	227.884360	1.51924217	0.40637662	65.045699	191.874192	21.435530	0.90185767	1.872583
02/22/1974	45.703354	1.51974077	0.40676129	65.277691	191.664400	21.419338	0.90156905	1.873505
03/02/2003	222.303043	1.51938273	0.40713263	65.596556	191.427867	21.393597	0.90079244	1.872843
03/09/2032	41.494862	1.51909995	0.40744511	65.843526	191.228908	21.385193	0.90015011	1.872320
03/17/2061	221.277736	1.51935585	0.40765563	66.102217	190.998471	21.366475	0.89998188	1.872793
03/25/2090	39.314604	1.51976273	0.40825657	66.343389	190.782619	21.350495	0.89930960	1.873546
04/03/2119	216.648780	1.51917055	0.40840972	66.658164	190.558336	21.335284	0.89872653	1.872451
04/10/2148	36.741414	1.51901289	0.40842179	66.896534	190.328993	21.326042	0.89861492	1.872159
04/18/2177	216.323565	1.51928923	0.40888087	67.110397	190.117549	21.312914	0.89808093	1.872670

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