Asteroid General Data

2021 AP₁

General information

Preliminary designation	2021 AP₁
Group	Apollo
Absolute magnitude	23.68
Approximate diameter (m)	49
Approximate mass (kg)	2.13·10⁸
Number of observations	75
Arc length (days)	1476

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	327.187740
a – orbit major semiaxis (astronomical units)	1.58074500
e – orbit eccentricity	0.38049800
ω – orbit ascending node-perihelion angle (degrees)	311.046926
Ω – longitude of orbit ascending node (degrees)	111.576026
i – orbit inclination to the ecliptic plane (degrees)	11.734110

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	218.636597	1.58286465	0.38239252	308.971417	112.878204	11.687603	0.97758905	1.991436
01/21/1858	68.324019	1.58199196	0.38207573	309.211780	112.698321	11.698438	0.97755123	1.989789
01/29/1887	277.683190	1.58234649	0.38223420	309.475223	112.518303	11.708521	0.97751954	1.990458
02/07/1916	124.975551	1.58274973	0.38194199	309.805257	112.328973	11.721210	0.97823115	1.991219
02/14/1945	331.922446	1.58256229	0.38176411	310.084566	112.159231	11.732448	0.97839681	1.990865
02/22/1974	180.373689	1.58200929	0.38162796	310.424828	111.959127	11.747248	0.97827032	1.989822
03/02/2003	30.102498	1.58244426	0.38152825	310.677000	111.789578	11.756338	0.97869707	1.990642
03/09/2032	226.017028	1.58988353	0.38378610	311.249980	111.498467	11.771943	0.97970833	2.004696
03/17/2061	27.210584	1.59272847	0.38481487	311.588390	111.298029	11.780013	0.97982287	2.010079
03/25/2090	184.965290	1.59273708	0.38459824	311.860748	111.104541	11.791142	0.98017320	2.010096
04/03/2119	344.561776	1.59207072	0.38449032	312.151918	110.931107	11.804956	0.97993494	2.008834
04/10/2148	145.115840	1.59231391	0.38422581	312.446243	110.752029	11.814768	0.98050581	2.009295
04/18/2177	304.632151	1.59239248	0.38426126	312.729840	110.572392	11.828011	0.98049774	2.009443

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