Asteroid General Data

2021 PY₄

General information

Preliminary designation	2021 PY₄
Group	Apollo
Absolute magnitude	26.47
Approximate diameter (m)	13
Approximate mass (kg)	4.51·10⁶
Number of observations	11
Arc length (days)	3

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	345.868973
a – orbit major semiaxis (astronomical units)	1.92672700
e – orbit eccentricity	0.59764700
ω – orbit ascending node-perihelion angle (degrees)	111.177212
Ω – longitude of orbit ascending node (degrees)	132.942038
i – orbit inclination to the ecliptic plane (degrees)	14.351446

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	82.957037	1.89325949	0.59525476	104.715380	137.774996	13.968108	0.76628776	2.605049
01/21/1858	128.786062	1.89646133	0.59461547	105.539780	137.112813	13.996379	0.76879608	2.611660
01/29/1887	170.516276	1.89603588	0.59526513	106.575491	136.216399	14.055196	0.76739184	2.610781
02/07/1916	215.106676	1.89398509	0.59537834	107.213051	135.615430	14.089505	0.76634738	2.606546
02/14/1945	260.145352	1.89504429	0.59420918	108.068169	134.865265	14.139475	0.76899158	2.608733
02/22/1974	306.515549	1.89458425	0.59383385	108.820238	134.219187	14.182013	0.76951599	2.607783
03/02/2003	353.499032	1.89481774	0.59369132	109.564463	133.517432	14.226988	0.76988089	2.608265
03/09/2032	2.762404	1.92723237	0.59813541	111.263048	132.888597	14.354297	0.77448645	2.675480
03/17/2061	307.576366	1.92758990	0.59789455	112.424252	131.929582	14.432289	0.77509441	2.676225
03/25/2090	254.094741	1.92733892	0.59746988	113.041965	131.371151	14.474115	0.77581196	2.675702
04/03/2119	199.716280	1.92754113	0.59781832	113.854229	130.612067	14.523596	0.77522173	2.676123
04/10/2148	154.957991	1.91994819	0.59685785	114.517074	129.904697	14.594713	0.77401203	2.660326
04/18/2177	124.126164	1.91928148	0.59623708	115.189563	129.282682	14.648377	0.77493470	2.658941

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