Asteroid General Data

2021 MA

General information

Preliminary designation	2021 MA
Group	Amor
Absolute magnitude	23.33
Approximate diameter (m)	57
Approximate mass (kg)	3.45·10⁸
Number of observations	56
Arc length (days)	48

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	158.830191
a – orbit major semiaxis (astronomical units)	2.35800100
e – orbit eccentricity	0.52915100
ω – orbit ascending node-perihelion angle (degrees)	174.317075
Ω – longitude of orbit ascending node (degrees)	102.518554
i – orbit inclination to the ecliptic plane (degrees)	14.644418

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	347.635856	2.36202835	0.52767121	170.353650	104.516554	14.369951	1.11565399	3.630181
01/21/1858	350.279598	2.36075154	0.52817720	170.423229	104.310710	14.386402	1.11385640	3.627238
01/29/1887	347.263540	2.35809007	0.52978642	171.329831	103.904369	14.473941	1.10880597	3.621106
02/07/1916	346.276885	2.36430420	0.52469461	172.097014	103.671504	14.452620	1.12376654	3.635429
02/14/1945	347.945395	2.36335477	0.52562022	172.429515	103.362562	14.486463	1.12112772	3.633239
02/22/1974	343.100653	2.35942701	0.52947990	173.412189	103.006260	14.593978	1.11015784	3.624186
03/02/2003	339.185696	2.36118007	0.52807107	174.285226	102.658944	14.624753	1.11430919	3.628226
03/09/2032	341.673916	2.36034096	0.52875472	174.351450	102.463334	14.634750	1.11229954	3.626292
03/17/2061	336.549932	2.35892854	0.53023797	175.238878	102.112817	14.695244	1.10813505	3.623037
03/25/2090	333.916492	2.36457255	0.52620431	176.018815	101.851530	14.668627	1.12032429	3.636048
04/03/2119	334.235153	2.36045657	0.52856595	176.182865	101.616647	14.713096	1.11279960	3.626558
04/10/2148	327.742695	2.35996159	0.53004895	177.183826	101.249829	14.764813	1.10906642	3.625417
04/18/2177	325.430484	2.36615208	0.52470678	177.621009	101.047723	14.696912	1.12461604	3.639692

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