Asteroid General Data

2011 UR₉₁

General information

Preliminary designation	2011 UR₉₁
Group	Apollo
Absolute magnitude	24.27
Approximate diameter (m)	37
Approximate mass (kg)	9.42·10⁷
Number of observations	45
Arc length (days)	3284

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	252.999494
a – orbit major semiaxis (astronomical units)	1.71562900
e – orbit eccentricity	0.50725000
ω – orbit ascending node-perihelion angle (degrees)	282.794830
Ω – longitude of orbit ascending node (degrees)	30.938038
i – orbit inclination to the ecliptic plane (degrees)	27.763508

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	313.868767	1.73186035	0.51393767	280.974930	33.157730	27.813777	0.84179207	2.279134
01/21/1858	218.217112	1.73182603	0.51357898	281.263034	32.848983	27.830939	0.84239659	2.279067
01/29/1887	122.483037	1.73162070	0.51324475	281.573159	32.497115	27.849449	0.84287547	2.278661
02/07/1916	27.053717	1.73174723	0.51300307	281.871078	32.186874	27.867921	0.84335558	2.278911
02/14/1945	291.694185	1.73191836	0.51253230	282.155203	31.838665	27.885450	0.84425427	2.279249
02/22/1974	195.767624	1.73183631	0.51232899	282.421890	31.538570	27.901348	0.84456637	2.279087
03/02/2003	100.363649	1.73170257	0.51220996	282.652516	31.245092	27.912283	0.84470726	2.278823
03/09/2032	4.888245	1.73155707	0.51164274	282.965180	30.899751	27.942929	0.84561847	2.278536
03/17/2061	269.442246	1.73156778	0.51146162	283.226443	30.600408	27.956375	0.84593732	2.278557
03/25/2090	173.618399	1.73167154	0.51079294	283.542267	30.254392	27.982487	0.84714594	2.278762
04/03/2119	77.952288	1.73169793	0.51037136	283.807969	29.967180	28.000097	0.84788890	2.278814
04/10/2148	342.822045	1.73172344	0.50985223	284.114917	29.612174	28.026186	0.84880038	2.278864
04/18/2177	247.049873	1.73193005	0.50960790	284.376876	29.326088	28.045267	0.84932482	2.279272

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