Asteroid General Data

2021 NM₄

General information

Preliminary designation	2021 NM₄
Group	Apollo
Absolute magnitude	24.88
Approximate diameter (m)	28
Approximate mass (kg)	4.05·10⁷
Number of observations	68
Arc length (days)	6

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	333.633854
a – orbit major semiaxis (astronomical units)	1.22167900
e – orbit eccentricity	0.21091400
ω – orbit ascending node-perihelion angle (degrees)	130.689474
Ω – longitude of orbit ascending node (degrees)	110.704322
i – orbit inclination to the ecliptic plane (degrees)	20.886295

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	69.311135	1.21902532	0.21171076	128.621387	111.597511	20.823895	0.96094455	1.345921
01/21/1858	270.543584	1.21884001	0.21160125	128.775276	111.478391	20.828324	0.96093194	1.345615
01/29/1887	116.607756	1.21866149	0.21126905	128.850891	111.357508	20.834169	0.96119603	1.345319
02/07/1916	312.109681	1.22048327	0.21154584	129.478141	111.221567	20.846771	0.96229512	1.348337
02/14/1945	137.489383	1.22122692	0.21176033	129.771576	111.088006	20.847566	0.96261950	1.349569
02/22/1974	329.320494	1.21972686	0.21078545	129.765700	110.960221	20.865685	0.96262618	1.347083
03/02/2003	165.506206	1.21992829	0.21095690	129.988103	110.824046	20.869134	0.96257600	1.347417
03/09/2032	353.345666	1.22177659	0.21099083	130.718502	110.686619	20.887012	0.96399294	1.350480
03/17/2061	166.208606	1.22269295	0.21138184	131.002028	110.556000	20.886503	0.96423787	1.352000
03/25/2090	337.561948	1.22214210	0.21102267	131.090470	110.433857	20.892626	0.96424241	1.351087
04/03/2119	145.569411	1.22272805	0.21124109	131.332125	110.301154	20.892089	0.96443765	1.352058
04/10/2148	328.857391	1.22078631	0.21006519	131.305903	110.171122	20.913648	0.96434161	1.348839
04/18/2177	154.065275	1.22060054	0.20989275	131.454673	110.043066	20.917984	0.96440533	1.348531

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