Asteroid General Data

2021 SE₂

General information

Preliminary designation	2021 SE₂
Group	Amor
Absolute magnitude	22.05
Approximate diameter (m)	100
Approximate mass (kg)	2.02·10⁹
Number of observations	27
Arc length (days)	11

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	214.693545
a – orbit major semiaxis (astronomical units)	2.15667300
e – orbit eccentricity	0.47056400
ω – orbit ascending node-perihelion angle (degrees)	351.075247
Ω – longitude of orbit ascending node (degrees)	333.654491
i – orbit inclination to the ecliptic plane (degrees)	7.634097

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	50.974847	2.15739424	0.46859875	347.473804	335.590078	7.606535	1.14644199	3.168800
01/21/1858	109.436604	2.15529902	0.47027439	348.127291	335.293441	7.627338	1.14171709	3.164185
01/29/1887	169.228142	2.15385518	0.47021008	348.583361	334.997892	7.631217	1.14109077	3.161006
02/07/1916	231.621318	2.15562283	0.46846107	349.143443	334.779643	7.618687	1.14579745	3.164898
02/14/1945	294.235990	2.15434262	0.46977314	349.766429	334.447790	7.633093	1.14229033	3.162079
02/22/1974	357.010187	2.15497959	0.46900484	350.025254	334.212366	7.620127	1.14428373	3.163482
03/02/2003	58.943912	2.15535852	0.47048696	350.609790	333.929196	7.633823	1.14129044	3.164316
03/09/2032	117.439087	2.15644189	0.47070043	351.094303	333.612350	7.632142	1.14140377	3.166702
03/17/2061	174.268075	2.15759812	0.47020725	351.694972	333.350224	7.624435	1.14307984	3.169250
03/25/2090	230.052776	2.15714986	0.47095375	352.289245	333.092536	7.629290	1.14123205	3.168262
04/03/2119	285.485382	2.15842350	0.46967882	352.538127	332.855649	7.613349	1.14465770	3.171068
04/10/2148	341.666832	2.15820217	0.46929287	353.233663	332.560287	7.608198	1.14537329	3.170581
04/18/2177	39.526236	2.15518130	0.47146093	353.690999	332.271400	7.626871	1.13909752	3.163926

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