Asteroid General Data

2011 US₉₁

General information

Preliminary designation	2011 US₉₁
Group	Apollo
Absolute magnitude	22.00
Approximate diameter (m)	110
Approximate mass (kg)	2.17·10⁹
Number of observations	48
Arc length (days)	11

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	146.901088
a – orbit major semiaxis (astronomical units)	1.03558100
e – orbit eccentricity	0.23918300
ω – orbit ascending node-perihelion angle (degrees)	245.894763
Ω – longitude of orbit ascending node (degrees)	21.960429
i – orbit inclination to the ecliptic plane (degrees)	29.294969

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	301.010750	1.03569684	0.23959092	245.538735	22.678564	29.299974	0.78755328	1.054022
01/21/1858	134.208072	1.03559219	0.23933260	245.613631	22.568132	29.302058	0.78774122	1.053862
01/29/1887	329.348835	1.03543691	0.23929489	245.626704	22.466157	29.301228	0.78766214	1.053625
02/07/1916	163.653273	1.03563243	0.23928852	245.659264	22.358170	29.301367	0.78781747	1.053923
02/14/1945	356.175209	1.03569608	0.23933293	245.761771	22.252778	29.297793	0.78781990	1.054021
02/22/1974	188.819560	1.03568505	0.23917454	245.822090	22.142608	29.297912	0.78797555	1.054004
03/02/2003	22.873434	1.03553988	0.23916557	245.897523	22.039840	29.296186	0.78787439	1.053782
03/09/2032	217.666862	1.03564245	0.23908563	245.902215	21.934292	29.297261	0.78803522	1.053939
03/17/2061	50.449026	1.03562317	0.23930194	245.943991	21.833493	29.293161	0.78779654	1.053909
03/25/2090	242.540915	1.03560741	0.23914592	245.978957	21.723688	29.293613	0.78794613	1.053885
04/03/2119	75.852817	1.03557654	0.23901443	246.092682	21.624343	29.293852	0.78805880	1.053838
04/10/2148	269.548500	1.03560157	0.23898931	246.093374	21.515144	29.292270	0.78810387	1.053876
04/18/2177	102.622869	1.03566713	0.23894048	246.168405	21.412979	29.293911	0.78820433	1.053976

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