Asteroid General Data

2021 EM₄

General information

Preliminary designation	2021 EM₄
Group	Apollo
Absolute magnitude	27.14
Approximate diameter (m)	10
Approximate mass (kg)	1.79·10⁶
Number of observations	68
Arc length (days)	5

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	265.005139
a – orbit major semiaxis (astronomical units)	1.08441000
e – orbit eccentricity	0.13301100
ω – orbit ascending node-perihelion angle (degrees)	240.362299
Ω – longitude of orbit ascending node (degrees)	358.191298
i – orbit inclination to the ecliptic plane (degrees)	9.932508

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	67.970974	1.08940342	0.13169365	236.285974	0.149979	10.099634	0.94593591	1.137061
01/21/1858	255.263750	1.08936553	0.13179953	236.390959	359.927190	10.095799	0.94578766	1.137002
01/29/1887	113.277067	1.08587852	0.12991911	237.762988	359.610718	10.116296	0.94480214	1.131547
02/07/1916	330.255161	1.09128316	0.13293215	236.231886	359.306805	10.071975	0.94621654	1.140005
02/14/1945	140.653873	1.09123588	0.13274203	236.655241	359.078201	10.074841	0.94638302	1.139931
02/22/1974	286.976061	1.09443918	0.13455520	235.597399	358.726203	10.052011	0.94717669	1.144954
03/02/2003	44.624477	1.09533874	0.13472985	235.828595	358.456957	10.054052	0.94776392	1.146366
03/09/2032	210.594935	1.08461456	0.13301507	240.291354	358.106423	9.936756	0.94034448	1.129572
03/17/2061	99.933912	1.08488961	0.13328162	240.302449	357.882179	9.930689	0.94029377	1.130001
03/25/2090	339.561758	1.08583670	0.13367057	240.279130	357.640530	9.926761	0.94069229	1.131481
04/03/2119	215.044636	1.08564196	0.13349971	240.629365	357.385814	9.930026	0.94070907	1.131177
04/10/2148	146.576156	1.07986346	0.13157844	242.701404	357.142714	9.924951	0.93777671	1.122158
04/18/2177	91.283860	1.08057143	0.13156830	242.748826	356.856139	9.933704	0.93840249	1.123261

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