Asteroid General Data

2021 MC

General information

Preliminary designation	2021 MC
Group	Apollo
Absolute magnitude	25.93
Approximate diameter (m)	17
Approximate mass (kg)	9.50·10⁶
Number of observations	42
Arc length (days)	18

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	227.157524
a – orbit major semiaxis (astronomical units)	1.55858000
e – orbit eccentricity	0.37854300
ω – orbit ascending node-perihelion angle (degrees)	225.348908
Ω – longitude of orbit ascending node (degrees)	92.229008
i – orbit inclination to the ecliptic plane (degrees)	1.878320

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	259.601493	1.55671195	0.37723430	220.226744	96.401680	2.280790	0.96946680	1.942285
01/21/1858	263.455511	1.55251020	0.37588139	220.733212	96.247920	2.278627	0.96895052	1.934427
01/29/1887	276.805984	1.55760240	0.37771402	221.660741	95.180188	2.047768	0.96927414	1.943952
02/07/1916	252.847866	1.55736529	0.37767751	221.845479	95.121417	2.046955	0.96918345	1.943508
02/14/1945	225.328524	1.55792821	0.37798138	223.069435	94.093226	2.042290	0.96906036	1.944562
02/22/1974	197.088237	1.55813852	0.37813808	223.863921	93.524223	2.038032	0.96894700	1.944956
03/02/2003	177.038822	1.55454662	0.37702728	224.509961	93.258464	2.029923	0.96844013	1.938234
03/09/2032	157.694789	1.56002577	0.37896485	225.353944	92.219652	1.881143	0.96883084	1.948490
03/17/2061	119.884536	1.56003121	0.37901544	226.027362	91.567747	1.880038	0.96875529	1.948501
03/25/2090	82.915425	1.55982183	0.37899535	226.216982	91.499822	1.878794	0.96865661	1.948108
04/03/2119	46.081215	1.55977799	0.37889427	227.844569	89.994813	1.875798	0.96878706	1.948026
04/10/2148	15.355002	1.55690537	0.37814063	228.722325	89.523575	1.862619	0.96817620	1.942647
04/18/2177	353.232219	1.55652779	0.37806211	229.299792	88.951738	1.859592	0.96806361	1.941941

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