Asteroid General Data

2013 SM₂₀

General information

Preliminary designation	2013 SM₂₀
Group	Aten
Absolute magnitude	25.01
Approximate diameter (m)	26
Approximate mass (kg)	3.39·10⁷
Number of observations	81
Arc length (days)	2553

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	88.774861
a – orbit major semiaxis (astronomical units)	0.84664400
e – orbit eccentricity	0.27081400
ω – orbit ascending node-perihelion angle (degrees)	182.953619
Ω – longitude of orbit ascending node (degrees)	341.239289
i – orbit inclination to the ecliptic plane (degrees)	3.967085

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	338.398310	0.84733756	0.27111235	176.968667	348.785700	4.027920	0.61761388	0.779983
01/21/1858	43.895202	0.84778805	0.27096578	177.597974	348.053970	4.012309	0.61806650	0.780605
01/29/1887	102.218753	0.84816147	0.27153125	178.313935	346.960645	3.990675	0.61785913	0.781121
02/07/1916	161.856544	0.84747570	0.27133889	179.184758	346.072952	3.975588	0.61752258	0.780174
02/14/1945	231.145529	0.84714661	0.27136365	180.260246	344.715364	3.978917	0.61726182	0.779720
02/22/1974	300.750736	0.84736661	0.27087091	181.209330	343.610670	4.015989	0.61783965	0.780023
03/02/2003	12.661514	0.84784865	0.27100776	181.937503	342.447704	4.006878	0.61807509	0.780689
03/09/2032	102.170155	0.84611719	0.27090766	182.984467	341.077399	3.968313	0.61689756	0.778299
03/17/2061	213.205961	0.84518568	0.27116895	183.395699	340.002204	4.030889	0.61599756	0.777014
03/25/2090	343.646087	0.84494953	0.27135187	183.930694	338.954450	4.002896	0.61567089	0.776688
04/03/2119	126.873644	0.84486473	0.27096665	185.472181	337.561690	4.024663	0.61593456	0.776571
04/10/2148	265.061337	0.84444264	0.27146491	186.217120	336.244117	4.010593	0.61520610	0.775990
04/18/2177	41.782253	0.84571936	0.27053505	187.410074	335.060793	4.067329	0.61692263	0.777750

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