Asteroid General Data

2011 SP₁₂

General information

Preliminary designation	2011 SP₁₂
Group	Amor
Absolute magnitude	22.29
Approximate diameter (m)	93
Approximate mass (kg)	1.45·10⁹
Number of observations	29
Arc length (days)	10

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	33.991154
a – orbit major semiaxis (astronomical units)	2.38936500
e – orbit eccentricity	0.57343000
ω – orbit ascending node-perihelion angle (degrees)	128.439818
Ω – longitude of orbit ascending node (degrees)	171.453080
i – orbit inclination to the ecliptic plane (degrees)	14.201634

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	251.980472	2.39510492	0.57176885	120.358155	178.515941	13.315369	1.02565853	3.706700
01/21/1858	196.008714	2.38954393	0.57547112	120.965346	177.830038	13.383097	1.01443041	3.693798
01/29/1887	134.081940	2.39532839	0.57111031	123.054239	176.181769	13.580066	1.02733165	3.707219
02/07/1916	79.175462	2.38894950	0.57469931	123.597915	175.564244	13.647239	1.01602188	3.692420
02/14/1945	17.938845	2.39456866	0.57061480	125.698164	173.945469	13.859557	1.02819234	3.705455
02/22/1974	322.953051	2.38945739	0.57384969	126.087220	173.425290	13.919009	1.01826800	3.693597
03/02/2003	262.324645	2.39530358	0.57008354	128.079307	171.854965	14.139378	1.02978044	3.707161
03/09/2032	207.505501	2.39074592	0.57280145	128.429105	171.404399	14.200440	1.02132319	3.696585
03/17/2061	146.315565	2.39886017	0.56754606	129.926414	170.244377	14.346031	1.03739653	3.715421
03/25/2090	91.898356	2.39115125	0.57124931	130.670031	169.499447	14.491414	1.02520774	3.697526
04/03/2119	30.636917	2.39766020	0.56528635	131.963937	168.603112	14.646417	1.04229562	3.712633
04/10/2148	335.291354	2.39135846	0.56977224	132.836216	167.684667	14.795034	1.02882880	3.698006
04/18/2177	273.548256	2.39806208	0.56454302	134.246187	166.733670	14.971893	1.04425287	3.713567

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