Asteroid General Data

2021 CU₉

General information

Preliminary designation	2021 CU₉
Group	Amor
Absolute magnitude	26.07
Approximate diameter (m)	16
Approximate mass (kg)	7.83·10⁶
Number of observations	18
Arc length (days)	11

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	46.116877
a – orbit major semiaxis (astronomical units)	1.91062300
e – orbit eccentricity	0.45970300
ω – orbit ascending node-perihelion angle (degrees)	356.742041
Ω – longitude of orbit ascending node (degrees)	134.757176
i – orbit inclination to the ecliptic plane (degrees)	5.757115

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	91.292270	1.91062834	0.45967340	353.887601	136.068221	5.692635	1.03236331	2.640979
01/21/1858	87.403347	1.91113481	0.45899419	354.210492	135.888698	5.699552	1.03393504	2.642029
01/29/1887	86.620059	1.90937216	0.45890097	354.568092	135.722357	5.710887	1.03315943	2.638375
02/07/1916	82.966011	1.90986597	0.45963195	355.182545	135.503057	5.725498	1.03203055	2.639398
02/14/1945	80.832306	1.90915191	0.45963254	355.514136	135.324296	5.735079	1.03164358	2.637918
02/22/1974	77.372017	1.90988249	0.46038941	355.946200	135.116405	5.745290	1.03059282	2.639433
03/02/2003	74.254491	1.90916276	0.45925528	356.327185	134.926390	5.752281	1.03236969	2.637941
03/09/2032	72.489459	1.91084022	0.45939729	356.758252	134.733808	5.756736	1.03300540	2.641418
03/17/2061	68.356809	1.90930824	0.45935985	357.298284	134.537241	5.770375	1.03224869	2.638242
03/25/2090	67.566054	1.91101717	0.45951578	357.775980	134.340766	5.774082	1.03287462	2.641785
04/03/2119	63.363777	1.91122311	0.45940640	358.086528	134.155268	5.781327	1.03319498	2.642212
04/10/2148	61.392059	1.90980149	0.45921086	358.460556	133.998514	5.789887	1.03279991	2.639265
04/18/2177	55.089838	1.91144473	0.45924327	359.034703	133.805563	5.794457	1.03362661	2.642672

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