Asteroid General Data

2021 PY₄₀

General information

Preliminary designation	2021 PY₄₀
Group	Apollo
Absolute magnitude	20.98
Approximate diameter (m)	170
Approximate mass (kg)	8.87·10⁹
Number of observations	286
Arc length (days)	1013

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	191.565910
a – orbit major semiaxis (astronomical units)	1.53716100
e – orbit eccentricity	0.44231200
ω – orbit ascending node-perihelion angle (degrees)	256.544946
Ω – longitude of orbit ascending node (degrees)	171.810960
i – orbit inclination to the ecliptic plane (degrees)	10.426773

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	264.560815	1.53602184	0.44193144	253.884199	173.874132	10.486831	0.85720549	1.903692
01/21/1858	350.529677	1.53644937	0.44194648	254.282608	173.573293	10.470894	0.85742097	1.904487
01/29/1887	76.420786	1.53620419	0.44181292	254.688404	173.279222	10.458264	0.85748933	1.904031
02/07/1916	163.383239	1.53619180	0.44183577	255.082319	172.973912	10.453660	0.85744731	1.904008
02/14/1945	251.316295	1.53614499	0.44183816	255.458804	172.676915	10.452208	0.85741751	1.903921
02/22/1974	337.573730	1.53612665	0.44176532	255.878005	172.355583	10.449408	0.85751917	1.903887
03/02/2003	62.332818	1.53647874	0.44209564	256.243045	172.057499	10.435621	0.85720819	1.904542
03/09/2032	145.764403	1.53711971	0.44258002	256.625152	171.758196	10.424708	0.85682124	1.905733
03/17/2061	228.615799	1.53707342	0.44231879	257.000504	171.469882	10.425763	0.85719697	1.905647
03/25/2090	311.019015	1.53656435	0.44261862	257.441150	171.151953	10.421090	0.85645236	1.904701
04/03/2119	35.378109	1.53655776	0.44240564	257.769574	170.868479	10.420117	0.85677594	1.904688
04/10/2148	121.416688	1.53652102	0.44231706	258.193709	170.562441	10.407943	0.85689157	1.904620
04/18/2177	208.652823	1.53583643	0.44223508	258.642428	170.242316	10.408455	0.85663568	1.903347

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