Asteroid General Data

2021 AH₄

General information

Preliminary designation	2021 AH₄
Group	Apollo
Absolute magnitude	23.56
Approximate diameter (m)	52
Approximate mass (kg)	2.51·10⁸
Number of observations	31
Arc length (days)	23

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	66.287952
a – orbit major semiaxis (astronomical units)	1.19826300
e – orbit eccentricity	0.19703400
ω – orbit ascending node-perihelion angle (degrees)	58.357208
Ω – longitude of orbit ascending node (degrees)	121.473603
i – orbit inclination to the ecliptic plane (degrees)	18.715608

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	211.477247	1.19877459	0.19624202	56.859995	122.421658	18.747237	0.96352464	1.312523
01/21/1858	249.293682	1.19928323	0.19675996	57.048024	122.264975	18.735577	0.96331230	1.313358
01/29/1887	283.500056	1.19936286	0.19691008	57.177249	122.141088	18.735100	0.96319623	1.313489
02/07/1916	317.458041	1.19937320	0.19704114	57.372004	122.013795	18.734466	0.96304734	1.313506
02/14/1945	355.268537	1.19874437	0.19703314	57.748051	121.859956	18.725934	0.96255200	1.312473
02/22/1974	37.390777	1.19830565	0.19700567	57.971756	121.732033	18.721720	0.96223264	1.311753
03/02/2003	83.085942	1.19833884	0.19704091	58.224656	121.585795	18.719884	0.96221707	1.311807
03/09/2032	128.909424	1.19828895	0.19709637	58.376357	121.455500	18.718512	0.96211055	1.311725
03/17/2061	170.963743	1.19874268	0.19751397	58.541774	121.313420	18.712353	0.96197426	1.312471
03/25/2090	209.320605	1.19910984	0.19794131	58.726732	121.166054	18.700913	0.96175647	1.313074
04/03/2119	244.334635	1.19935567	0.19817074	58.858409	121.030971	18.697445	0.96167847	1.313477
04/10/2148	277.946400	1.19958064	0.19831498	59.041814	120.899200	18.698019	0.96168583	1.313847
04/18/2177	314.894610	1.19867817	0.19825264	59.397314	120.752529	18.690893	0.96103705	1.312365

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