Asteroid General Data

2021 EN₁

General information

Preliminary designation	2021 EN₁
Group	Apollo
Absolute magnitude	24.18
Approximate diameter (m)	39
Approximate mass (kg)	1.07·10⁸
Number of observations	95
Arc length (days)	17

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	16.456225
a – orbit major semiaxis (astronomical units)	1.20307900
e – orbit eccentricity	0.22946900
ω – orbit ascending node-perihelion angle (degrees)	255.864758
Ω – longitude of orbit ascending node (degrees)	346.736732
i – orbit inclination to the ecliptic plane (degrees)	33.859272

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	87.387086	1.20324015	0.22865316	255.467278	347.437237	33.892022	0.92811548	1.319864
01/21/1858	85.410926	1.20312316	0.22874770	255.550630	347.339540	33.887495	0.92791151	1.319671
01/29/1887	83.260346	1.20307914	0.22882765	255.594432	347.236968	33.883635	0.92778136	1.319599
02/07/1916	80.526302	1.20309334	0.22894026	255.640935	347.136928	33.879162	0.92765684	1.319622
02/14/1945	77.755010	1.20298257	0.22908129	255.704352	347.029507	33.873846	0.92740177	1.319440
02/22/1974	75.448221	1.20288260	0.22916255	255.776617	346.928693	33.870088	0.92722695	1.319275
03/02/2003	73.191463	1.20295088	0.22932936	255.821456	346.821181	33.864220	0.92707892	1.319388
03/09/2032	70.343759	1.20300558	0.22953099	255.871835	346.722625	33.858287	0.92687852	1.319478
03/17/2061	67.533417	1.20293334	0.22966796	255.940217	346.617014	33.852307	0.92665810	1.319359
03/25/2090	65.413792	1.20299684	0.22978999	255.974076	346.519142	33.848602	0.92656021	1.319463
04/03/2119	63.263707	1.20320364	0.22998802	255.994253	346.419131	33.842784	0.92648122	1.319804
04/10/2148	60.517821	1.20322936	0.22999871	256.042925	346.317968	33.840438	0.92648816	1.319846
04/18/2177	57.986184	1.20321059	0.23013079	256.120921	346.219948	33.835730	0.92631478	1.319815

Detailed table...

3D animation...

Calculation on the date...

Return to search