Asteroid General Data

2021 EU₄

General information

Preliminary designation	2021 EU₄
Group	Apollo
Absolute magnitude	24.66
Approximate diameter (m)	31
Approximate mass (kg)	5.49·10⁷
Number of observations	102
Arc length (days)	30

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	331.364485
a – orbit major semiaxis (astronomical units)	2.04946800
e – orbit eccentricity	0.62644600
ω – orbit ascending node-perihelion angle (degrees)	111.738051
Ω – longitude of orbit ascending node (degrees)	352.095255
i – orbit inclination to the ecliptic plane (degrees)	13.719964

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	163.706519	2.04259780	0.63175904	103.326930	359.336776	13.259620	0.75216818	2.919274
01/21/1858	143.270207	2.04272136	0.63086130	103.690061	358.831758	13.278506	0.75404750	2.919539
01/29/1887	118.931710	2.04512435	0.62862774	104.232135	358.278933	13.299620	0.75950245	2.924692
02/07/1916	84.658524	2.04925260	0.62337545	105.518636	357.133117	13.364113	0.77179885	2.933552
02/14/1945	42.012945	2.05118739	0.62149798	106.996569	355.931753	13.438978	0.77637858	2.937708
02/22/1974	356.088824	2.05036003	0.62107211	109.242166	354.136301	13.567057	0.77693860	2.935931
03/02/2003	317.203966	2.04737893	0.62330879	110.640279	352.958669	13.650681	0.77122965	2.929530
03/09/2032	283.096707	2.04823240	0.62758551	112.071409	351.792642	13.737341	0.76279143	2.931362
03/17/2061	248.795983	2.04679285	0.62939913	112.609779	351.210302	13.771233	0.75854321	2.928272
03/25/2090	218.407932	2.04510831	0.62995448	113.025423	350.695392	13.793867	0.75678317	2.924658
04/03/2119	183.576280	2.05046129	0.62777407	113.417235	350.229822	13.811933	0.76323485	2.936148
04/10/2148	138.333064	2.05306583	0.62494048	113.926935	349.725299	13.846856	0.77002188	2.941744
04/18/2177	79.155354	2.05958484	0.61954834	114.854599	348.908888	13.911729	0.78357247	2.955767

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