Asteroid General Data

2021 PP

General information

Preliminary designation	2021 PP
Group	Apollo
Absolute magnitude	24.21
Approximate diameter (m)	38
Approximate mass (kg)	1.02·10⁸
Number of observations	156
Arc length (days)	5

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	39.304120
a – orbit major semiaxis (astronomical units)	1.36834000
e – orbit eccentricity	0.35714800
ω – orbit ascending node-perihelion angle (degrees)	229.766403
Ω – longitude of orbit ascending node (degrees)	146.152479
i – orbit inclination to the ecliptic plane (degrees)	3.430380

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	241.985887	1.37086953	0.35848036	226.388367	149.285523	3.154458	0.87943973	1.605073
01/21/1858	269.644524	1.37137284	0.35871030	226.957052	148.740832	3.163205	0.87944728	1.605957
01/29/1887	305.214927	1.36481211	0.35690410	227.961167	148.227143	3.249790	0.87770507	1.594446
02/07/1916	18.345018	1.36486392	0.35691007	228.245096	148.047828	3.253209	0.87773025	1.594537
02/14/1945	87.293017	1.36805933	0.35755827	228.567609	147.399680	3.293964	0.87889840	1.600140
02/22/1974	123.455191	1.37054963	0.35810769	228.590367	147.084056	3.315181	0.87974526	1.604511
03/02/2003	151.362438	1.37131417	0.35836879	229.167110	146.629762	3.321894	0.87987798	1.605854
03/09/2032	189.578489	1.37047425	0.35776483	229.653085	146.044018	3.446275	0.88016677	1.604379
03/17/2061	217.899647	1.37148236	0.35797136	230.071676	145.635434	3.451897	0.88053095	1.606149
03/25/2090	244.162652	1.37017515	0.35760762	230.438797	145.477300	3.457940	0.88019008	1.603854
04/03/2119	272.496133	1.37159071	0.35789065	230.759581	145.064385	3.465270	0.88071122	1.606340
04/10/2148	300.589520	1.36857853	0.35722365	231.246293	144.871754	3.482274	0.87968990	1.601051
04/18/2177	328.871257	1.37170058	0.35781040	231.481017	144.277630	3.564179	0.88089185	1.606533

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