Asteroid General Data

2021 PD₉

General information

Preliminary designation	2021 PD₉
Group	Amor
Absolute magnitude	22.05
Approximate diameter (m)	100
Approximate mass (kg)	2.02·10⁹
Number of observations	152
Arc length (days)	116

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	129.977119
a – orbit major semiaxis (astronomical units)	2.35710500
e – orbit eccentricity	0.49068700
ω – orbit ascending node-perihelion angle (degrees)	185.073995
Ω – longitude of orbit ascending node (degrees)	196.319164
i – orbit inclination to the ecliptic plane (degrees)	1.869531

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	287.707220	2.36210490	0.48690924	180.941163	198.477603	1.710595	1.21197421	3.630357
01/21/1858	290.724893	2.35799428	0.49058403	181.501523	198.141339	1.736686	1.20119994	3.620885
01/29/1887	292.813914	2.35735727	0.49015879	182.358571	197.819343	1.766877	1.20187788	3.619418
02/07/1916	298.514281	2.35909695	0.48745114	182.702292	197.499367	1.775646	1.20915245	3.623425
02/14/1945	303.299139	2.35621857	0.49081034	183.261502	197.195374	1.804965	1.19976212	3.616796
02/22/1974	305.772851	2.35730133	0.48995997	184.075598	196.906117	1.831659	1.20231805	3.619289
03/02/2003	310.919411	2.35965544	0.48740001	184.364973	196.576259	1.838436	1.20955935	3.624712
03/09/2032	315.352077	2.35842740	0.48931208	185.016313	196.261004	1.868287	1.20442039	3.621883
03/17/2061	318.009278	2.35818533	0.48874172	185.866080	196.029429	1.893290	1.20564177	3.621325
03/25/2090	323.223349	2.35955828	0.48669182	186.446309	195.725627	1.911306	1.21118057	3.624488
04/03/2119	328.907512	2.35667744	0.48981066	186.793865	195.420221	1.932315	1.20235171	3.617852
04/10/2148	331.981016	2.35626393	0.49043221	187.594615	195.152679	1.960233	1.20067621	3.616900
04/18/2177	337.381315	2.35903958	0.48712579	188.024930	194.900336	1.968270	1.20989056	3.623293

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