Asteroid General Data

2021 AM₄

General information

Preliminary designation	2021 AM₄
Group	Apollo
Absolute magnitude	26.99
Approximate diameter (m)	11
Approximate mass (kg)	2.20·10⁶
Number of observations	30
Arc length (days)	11

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	258.995571
a – orbit major semiaxis (astronomical units)	1.65081700
e – orbit eccentricity	0.42690200
ω – orbit ascending node-perihelion angle (degrees)	143.424513
Ω – longitude of orbit ascending node (degrees)	289.761922
i – orbit inclination to the ecliptic plane (degrees)	3.129456

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	236.691719	1.64969840	0.42774474	138.481719	293.829219	2.881863	0.94404859	2.118885
01/21/1858	124.882774	1.65315749	0.42831912	139.099847	293.460727	2.888894	0.94507852	2.125553
01/29/1887	353.452263	1.65538382	0.42891607	139.589781	293.140356	2.893159	0.94536311	2.129848
02/07/1916	221.840516	1.65376456	0.42849790	140.287760	292.633275	2.900689	0.94512993	2.126724
02/14/1945	96.733892	1.65213533	0.42777854	141.035867	291.798271	2.931480	0.94538729	2.123582
02/22/1974	338.449263	1.65070670	0.42715702	142.069836	290.831346	2.953295	0.94559575	2.120828
03/02/2003	225.558574	1.65026302	0.42709204	142.514404	290.515477	2.957883	0.94544882	2.119973
03/09/2032	109.515128	1.64989133	0.42713338	143.546011	289.678103	3.130644	0.94516767	2.119257
03/17/2061	1.486310	1.65038343	0.42692786	144.160263	289.258222	3.135580	0.94578877	2.120205
03/25/2090	249.148520	1.65017066	0.42701368	144.853840	288.634344	3.152646	0.94552522	2.119795
04/03/2119	135.470863	1.65214166	0.42719287	145.343244	288.317066	3.155001	0.94635852	2.123594
04/10/2148	44.985369	1.64212376	0.42397984	145.878141	287.570482	3.295039	0.94589639	2.104309
04/18/2177	311.341933	1.65345520	0.42692991	147.191785	287.037175	3.465162	0.94754572	2.126127

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