Asteroid General Data

2021 CU

General information

Preliminary designation	2021 CU
Group	Apollo
Absolute magnitude	26.66
Approximate diameter (m)	12
Approximate mass (kg)	3.47·10⁶
Number of observations	92
Arc length (days)	14

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	331.028371
a – orbit major semiaxis (astronomical units)	1.25642900
e – orbit eccentricity	0.22085800
ω – orbit ascending node-perihelion angle (degrees)	32.437420
Ω – longitude of orbit ascending node (degrees)	140.274628
i – orbit inclination to the ecliptic plane (degrees)	4.281219

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	246.617051	1.25657859	0.21827660	27.270802	143.892590	4.655406	0.98229688	1.408592
01/21/1858	102.906462	1.25757577	0.21919707	27.878301	143.305915	4.631906	0.98191885	1.410269
01/29/1887	314.201652	1.25750271	0.21927060	28.362929	142.975786	4.629848	0.98176933	1.410146
02/07/1916	176.955090	1.25528494	0.21865494	29.314238	142.288844	4.570915	0.98081068	1.406417
02/14/1945	39.763925	1.25556632	0.21882647	29.591242	142.118426	4.572230	0.98081517	1.406890
02/22/1974	254.175235	1.25685449	0.22036771	30.617999	141.479799	4.430795	0.97988435	1.409056
03/02/2003	92.834863	1.25896103	0.22150649	31.001146	140.936072	4.387266	0.98009299	1.412599
03/09/2032	289.993099	1.25699141	0.22106717	32.515193	140.219818	4.280921	0.97911188	1.409286
03/17/2061	157.475178	1.25160091	0.21947128	34.624174	139.236249	4.077438	0.97691045	1.400230
03/25/2090	30.619333	1.25601147	0.22206383	35.483414	138.349303	3.966694	0.97709676	1.407638
04/03/2119	259.025325	1.25582693	0.22196462	36.211460	137.648546	3.951843	0.97707778	1.407328
04/10/2148	123.350007	1.25531638	0.22185621	36.441000	137.450206	3.952381	0.97681665	1.406470
04/18/2177	356.911818	1.25534950	0.22259777	38.067611	136.293335	3.828900	0.97591149	1.406525

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