Asteroid General Data

2021 EF

General information

Preliminary designation	2021 EF
Group	Apollo
Absolute magnitude	26.84
Approximate diameter (m)	11
Approximate mass (kg)	2.70·10⁶
Number of observations	26
Arc length (days)	16

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	99.455672
a – orbit major semiaxis (astronomical units)	1.42382800
e – orbit eccentricity	0.28655900
ω – orbit ascending node-perihelion angle (degrees)	1.788404
Ω – longitude of orbit ascending node (degrees)	150.650494
i – orbit inclination to the ecliptic plane (degrees)	7.258038

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	93.497054	1.41443417	0.28222580	358.926589	152.054463	7.293273	1.01524436	1.682189
01/21/1858	183.791939	1.41549507	0.28281091	359.317022	151.854836	7.291078	1.01517762	1.684082
01/29/1887	266.043259	1.41716563	0.28342674	359.668102	151.660879	7.285716	1.01550299	1.687064
02/07/1916	335.856529	1.41933964	0.28455084	0.225996	151.429789	7.274575	1.01546535	1.690947
02/14/1945	37.641309	1.41814276	0.28398010	0.494804	151.263472	7.281179	1.01541844	1.688809
02/22/1974	96.809796	1.42045413	0.28513306	0.915988	151.044811	7.270376	1.01543570	1.692939
03/02/2003	141.518120	1.42141395	0.28542185	1.283632	150.854168	7.268095	1.01571135	1.694656
03/09/2032	180.470521	1.42345552	0.28649036	1.828267	150.627514	7.254864	1.01564923	1.698308
03/17/2061	218.653011	1.42241709	0.28592584	2.178735	150.443336	7.260174	1.01571129	1.696450
03/25/2090	257.788764	1.42204317	0.28563012	2.747768	150.225560	7.256152	1.01586480	1.695781
04/03/2119	297.588657	1.42350839	0.28627483	3.357731	149.981419	7.242797	1.01599377	1.698403
04/10/2148	333.231909	1.42229649	0.28575462	3.666835	149.828253	7.248592	1.01586870	1.696234
04/18/2177	9.126559	1.42422170	0.28678103	4.273000	149.577464	7.233402	1.01578193	1.699679

Detailed table...

3D animation...

Calculation on the date...

Return to search