Asteroid General Data

2021 SE₃

General information

Preliminary designation	2021 SE₃
Group	Amor
Absolute magnitude	26.13
Approximate diameter (m)	16
Approximate mass (kg)	7.21·10⁶
Number of observations	10
Arc length (days)	1

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	258.347862
a – orbit major semiaxis (astronomical units)	1.50454700
e – orbit eccentricity	0.30221400
ω – orbit ascending node-perihelion angle (degrees)	142.931643
Ω – longitude of orbit ascending node (degrees)	203.557666
i – orbit inclination to the ecliptic plane (degrees)	4.348009

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	221.390581	1.50425796	0.30197946	140.045230	205.538954	4.281591	1.05000295	1.844948
01/21/1858	125.977410	1.50360599	0.30175800	140.379174	205.303393	4.288959	1.04988085	1.843749
01/29/1887	29.728070	1.50482980	0.30234095	140.916795	204.942989	4.297660	1.04985814	1.846000
02/07/1916	285.786895	1.50585190	0.30272846	141.345460	204.665436	4.309350	1.04998768	1.847881
02/14/1945	178.726248	1.50556579	0.30252219	141.671706	204.431964	4.316600	1.05009873	1.847354
02/22/1974	77.839773	1.50430576	0.30192075	142.111379	204.128611	4.327787	1.05012463	1.845036
03/02/2003	342.869397	1.50387081	0.30190067	142.443059	203.851883	4.331892	1.04985120	1.844236
03/09/2032	246.341134	1.50452972	0.30202889	142.984929	203.531459	4.349499	1.05011828	1.845448
03/17/2061	149.003149	1.50390754	0.30173042	143.513758	203.166994	4.367881	1.05013288	1.844303
03/25/2090	55.222250	1.50365128	0.30150376	143.933631	202.875625	4.374281	1.05029476	1.843832
04/03/2119	320.227983	1.50416161	0.30167104	144.450707	202.541706	4.392589	1.05039962	1.844771
04/10/2148	226.860326	1.50355318	0.30150438	144.850402	202.279159	4.402777	1.05022531	1.843651
04/18/2177	131.550796	1.50440195	0.30201037	145.401176	201.900712	4.416723	1.05005697	1.845213

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