Asteroid General Data

2001 SP₂₈₇

General information

Preliminary designation	2001 SP₂₈₇
Group	Apollo
Absolute magnitude	26.94
Approximate diameter (m)	11
Approximate mass (kg)	2.35·10⁶
Number of observations	7
Arc length (days)	2

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	113.775394
a – orbit major semiaxis (astronomical units)	1.93206800
e – orbit eccentricity	0.47390200
ω – orbit ascending node-perihelion angle (degrees)	164.565679
Ω – longitude of orbit ascending node (degrees)	186.047088
i – orbit inclination to the ecliptic plane (degrees)	3.999578

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	207.116059	1.93087341	0.47426737	160.540953	188.587547	3.784630	1.01512317	2.683066
01/21/1858	140.518554	1.93023490	0.47382104	160.931369	188.343116	3.800410	1.01564900	2.681735
01/29/1887	79.098806	1.92922785	0.47414669	161.785612	187.760264	3.864210	1.01449086	2.679637
02/07/1916	16.450291	1.92910950	0.47382434	162.188059	187.495744	3.879367	1.01505046	2.679390
02/14/1945	318.548437	1.92891047	0.47432816	163.056801	186.910165	3.930092	1.01397391	2.678975
02/22/1974	256.171497	1.92934397	0.47395866	163.420736	186.679088	3.945787	1.01491468	2.679878
03/02/2003	195.690694	1.93048698	0.47444754	164.231525	186.227357	3.988954	1.01457218	2.682260
03/09/2032	128.222342	1.93129895	0.47413673	164.627675	185.993667	4.004793	1.01559917	2.683953
03/17/2061	64.132961	1.92932787	0.47344408	165.386852	185.499488	4.065587	1.01589902	2.679845
03/25/2090	2.398270	1.92958005	0.47343503	165.785297	185.247520	4.084102	1.01604926	2.680370
04/03/2119	300.834967	1.92888076	0.47342362	166.193463	185.024695	4.101446	1.01570304	2.678913
04/10/2148	236.990050	1.93208486	0.47406635	166.968172	184.592396	4.132953	1.01614843	2.685591
04/18/2177	169.183891	1.93062709	0.47408137	167.384190	184.359550	4.149931	1.01535274	2.682552

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