Asteroid General Data

2021 PY₉

General information

Preliminary designation	2021 PY₉
Group	Amor
Absolute magnitude	18.15
Approximate diameter (m)	620
Approximate mass (kg)	4.42·10¹¹
Number of observations	85
Arc length (days)	4432

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	312.459798
a – orbit major semiaxis (astronomical units)	2.08270200
e – orbit eccentricity	0.49498100
ω – orbit ascending node-perihelion angle (degrees)	254.233583
Ω – longitude of orbit ascending node (degrees)	353.168504
i – orbit inclination to the ecliptic plane (degrees)	34.897666

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	334.521011	2.07965167	0.48953463	252.558477	355.796740	35.311651	1.06159016	2.999069
01/21/1858	219.639382	2.07822391	0.49192419	252.607137	355.504567	35.254818	1.05589529	2.995981
01/29/1887	107.741230	2.07772174	0.49411163	252.723177	355.196452	35.200297	1.05109525	2.994896
02/07/1916	356.589860	2.07777023	0.49553277	253.008675	354.819004	35.125283	1.04816700	2.995000
02/14/1945	244.121811	2.07814532	0.49715151	253.490262	354.294322	35.021753	1.04499225	2.995811
02/22/1974	129.015991	2.07922221	0.49713930	253.843234	353.882318	34.960981	1.04555914	2.998140
03/02/2003	10.326351	2.08166909	0.49568715	254.174180	353.418112	34.907877	1.04981248	3.003434
03/09/2032	248.407393	2.08267414	0.49529520	254.286136	353.128310	34.886608	1.05113563	3.005610
03/17/2061	125.230810	2.08210412	0.49566633	254.203637	352.899876	34.882859	1.05007521	3.004376
03/25/2090	2.632481	2.08174051	0.49676315	254.167014	352.654778	34.870803	1.04760853	3.003589
04/03/2119	242.353825	2.08038697	0.49920973	254.251601	352.331932	34.810036	1.04183755	3.000660
04/10/2148	124.913254	2.07990074	0.50122816	254.412787	351.996560	34.751539	1.03739591	2.999608
04/18/2177	8.325939	2.07989225	0.50220378	254.741833	351.582439	34.679376	1.03536249	2.999590

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