Asteroid General Data

2021 EC

General information

Preliminary designation	2021 EC
Group	Apollo
Absolute magnitude	27.80
Approximate diameter (m)	7
Approximate mass (kg)	7.18·10⁵
Number of observations	93
Arc length (days)	3

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	224.647382
a – orbit major semiaxis (astronomical units)	1.34685700
e – orbit eccentricity	0.34681400
ω – orbit ascending node-perihelion angle (degrees)	121.829787
Ω – longitude of orbit ascending node (degrees)	343.629334
i – orbit inclination to the ecliptic plane (degrees)	6.434328

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	191.969313	1.35352781	0.35096754	119.540395	345.736481	6.138814	0.87848348	1.574713
01/21/1858	345.144743	1.35332824	0.35075612	119.959042	345.455481	6.135127	0.87864008	1.574365
01/29/1887	141.187858	1.35306380	0.35065847	120.228960	345.177375	6.135964	0.87860052	1.573903
02/07/1916	316.520818	1.34987862	0.34937406	120.284894	344.835624	6.158874	0.87826605	1.568349
02/14/1945	139.351825	1.34923587	0.34923249	120.693680	344.503936	6.152688	0.87803886	1.567229
02/22/1974	327.609990	1.34515086	0.34755883	120.729174	344.216444	6.216433	0.87763180	1.560117
03/02/2003	185.353830	1.34500528	0.34748739	121.056678	343.942369	6.212804	0.87763291	1.559863
03/09/2032	45.847638	1.34660464	0.34698836	121.933181	343.511361	6.430660	0.87934850	1.562647
03/17/2061	242.059785	1.34870665	0.34740287	122.428330	343.245820	6.425908	0.88016208	1.566307
03/25/2090	73.288366	1.34850837	0.34731593	122.796732	342.968279	6.420441	0.88014993	1.565961
04/03/2119	274.176683	1.35243723	0.34856606	123.558334	342.606343	6.421252	0.88102351	1.572810
04/10/2148	71.541387	1.35339175	0.34872050	123.940641	342.400346	6.417531	0.88143630	1.574475
04/18/2177	229.100952	1.35284986	0.34858023	124.352729	342.075577	6.414789	0.88127314	1.573530

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