Asteroid General Data

2013 SE₂₁

General information

Preliminary designation	2013 SE₂₁
Group	Amor
Absolute magnitude	24.01
Approximate diameter (m)	42
Approximate mass (kg)	1.35·10⁸
Number of observations	92
Arc length (days)	44

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	107.989801
a – orbit major semiaxis (astronomical units)	2.48260600
e – orbit eccentricity	0.57140200
ω – orbit ascending node-perihelion angle (degrees)	8.718061
Ω – longitude of orbit ascending node (degrees)	19.868978
i – orbit inclination to the ecliptic plane (degrees)	3.353706

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	84.772627	2.51494492	0.54471619	8.473744	21.386083	3.358123	1.14501370	3.988351
01/21/1858	185.100627	2.51408036	0.54683452	8.395929	21.199068	3.355314	1.13929444	3.986294
01/29/1887	291.942147	2.50644759	0.55289519	8.463507	20.930869	3.358501	1.12064477	3.968154
02/07/1916	49.366074	2.49962406	0.55786427	8.536157	20.723274	3.360094	1.10517312	3.951961
02/14/1945	177.954795	2.49289078	0.56361465	8.642344	20.491130	3.361922	1.08786102	3.936004
02/22/1974	317.177586	2.48754227	0.56841227	8.674344	20.281205	3.361477	1.07359272	3.923343
03/02/2003	102.199667	2.48485242	0.57075869	8.708184	20.061704	3.358722	1.06660132	3.916981
03/09/2032	252.309084	2.48299754	0.57121595	8.650901	19.861038	3.351184	1.06466975	3.912596
03/17/2061	40.053779	2.48591503	0.56957276	8.732899	19.578731	3.334862	1.07000555	3.919494
03/25/2090	182.459875	2.49112014	0.56558870	8.745617	19.339376	3.309849	1.08217073	3.931811
04/03/2119	313.269296	2.49931975	0.56030991	9.042708	18.906318	3.272410	1.09892614	3.951239
04/10/2148	73.294922	2.50456704	0.55527241	9.171233	18.579000	3.242068	1.11385006	3.963689
04/18/2177	181.220363	2.51403286	0.54928614	9.348789	18.189269	3.205988	1.13310946	3.986181

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