Asteroid General Data

2011 SE₁₉₁

General information

Preliminary designation	2011 SE₁₉₁
Group	Apollo
Absolute magnitude	25.09
Approximate diameter (m)	25
Approximate mass (kg)	3.03·10⁷
Number of observations	38
Arc length (days)	5

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	231.277005
a – orbit major semiaxis (astronomical units)	2.57154800
e – orbit eccentricity	0.65953600
ω – orbit ascending node-perihelion angle (degrees)	310.648058
Ω – longitude of orbit ascending node (degrees)	4.478502
i – orbit inclination to the ecliptic plane (degrees)	10.401138

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	308.078090	2.58368779	0.65715255	291.895575	21.436594	8.982210	0.88581076	4.152988
01/21/1858	313.321630	2.56763279	0.66570448	294.143442	19.354093	9.117584	0.85834815	4.114338
01/29/1887	325.449135	2.58418169	0.65733689	301.080459	13.274600	9.521583	0.88550373	4.154179
02/07/1916	321.575404	2.58471334	0.65504805	301.308337	12.964761	9.542183	0.89160190	4.155461
02/14/1945	327.862655	2.55924466	0.66657687	304.482043	10.023004	9.831547	0.85331137	4.094193
02/22/1974	348.028126	2.57463487	0.65950008	309.430661	5.868867	10.253781	0.87666297	4.131180
03/02/2003	346.043686	2.58386943	0.65444125	309.729454	5.511689	10.266042	0.89287869	4.153426
03/09/2032	349.737878	2.56700191	0.66120293	310.872697	4.356917	10.438835	0.86969273	4.112822
03/17/2061	14.102504	2.56368337	0.66168995	316.062391	0.041274	11.059779	0.86731984	4.104849
03/25/2090	18.417254	2.58288002	0.65106002	317.008343	359.249478	11.122451	0.90127011	4.151040
04/03/2119	20.637371	2.57654017	0.65347228	317.347085	358.833192	11.181412	0.89284258	4.135766
04/10/2148	44.673380	2.55998200	0.65964235	322.404532	354.704036	11.961549	0.87130946	4.095963
04/18/2177	60.405411	2.57642276	0.65005201	323.402327	353.991446	12.037779	0.90161398	4.135484

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