Asteroid General Data

2021 MC₁

General information

Preliminary designation	2021 MC₁
Group	Apollo
Absolute magnitude	20.12
Approximate diameter (m)	250
Approximate mass (kg)	2.91·10¹⁰
Number of observations	87
Arc length (days)	1132

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	228.777334
a – orbit major semiaxis (astronomical units)	2.11184200
e – orbit eccentricity	0.79161300
ω – orbit ascending node-perihelion angle (degrees)	137.375339
Ω – longitude of orbit ascending node (degrees)	279.173372
i – orbit inclination to the ecliptic plane (degrees)	11.727098

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	314.689824	2.10491824	0.79640289	126.368656	289.475638	10.201323	0.42855527	3.053890
01/21/1858	139.407561	2.10070785	0.79895472	128.625169	287.354866	10.471742	0.42233740	3.044732
01/29/1887	327.918941	2.10208472	0.79640622	130.887214	285.266913	10.757243	0.42797137	3.047726
02/07/1916	146.562849	2.10772707	0.79304427	131.843593	284.311730	10.867774	0.43620619	3.060005
02/14/1945	325.326271	2.10449894	0.79465106	132.790110	283.402577	11.003637	0.43215663	3.052978
02/22/1974	153.214031	2.10056378	0.79614369	135.784671	280.671557	11.479944	0.42821318	3.044419
03/02/2003	338.360130	2.10540068	0.79234585	136.962326	279.601350	11.649400	0.43719519	3.054940
03/09/2032	155.013221	2.10606460	0.79213690	137.655717	278.908737	11.768494	0.43777312	3.056386
03/17/2061	337.144866	2.10096566	0.79485367	139.032300	277.629104	12.036080	0.43100539	3.045293
03/25/2090	167.217157	2.10373011	0.79340218	141.231977	275.692879	12.443734	0.43462605	3.051305
04/03/2119	347.007771	2.10655534	0.78962672	141.875477	275.070697	12.571648	0.44316295	3.057454
04/10/2148	164.274741	2.10617248	0.79065733	142.557904	274.362643	12.706676	0.44091178	3.056620
04/18/2177	351.373030	2.09921592	0.79325140	144.394908	272.762826	13.162145	0.43400995	3.041489

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