Asteroid General Data

2021 PG₉

General information

Preliminary designation	2021 PG₉
Group	Apollo
Absolute magnitude	25.83
Approximate diameter (m)	18
Approximate mass (kg)	1.09·10⁷
Number of observations	14
Arc length (days)	3

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	12.345472
a – orbit major semiaxis (astronomical units)	1.43760600
e – orbit eccentricity	0.30274300
ω – orbit ascending node-perihelion angle (degrees)	311.656138
Ω – longitude of orbit ascending node (degrees)	315.545984
i – orbit inclination to the ecliptic plane (degrees)	9.147954

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	96.083758	1.43731577	0.30341259	309.116300	317.239027	9.071059	1.00121607	1.723173
01/21/1858	38.310397	1.43702099	0.30315450	309.493949	316.974896	9.089005	1.00138162	1.722643
01/29/1887	339.836452	1.43713332	0.30305223	309.885632	316.712175	9.097608	1.00160686	1.722845
02/07/1916	283.513236	1.43716551	0.30294938	310.152117	316.529333	9.099829	1.00177710	1.722903
02/14/1945	230.428575	1.43657534	0.30263327	310.542674	316.255810	9.117657	1.00181985	1.721842
02/22/1974	180.665542	1.43620260	0.30230548	310.837861	316.013120	9.127907	1.00203069	1.721172
03/02/2003	130.650865	1.43668473	0.30262466	311.274376	315.752139	9.135785	1.00190850	1.722038
03/09/2032	76.112738	1.43736673	0.30272849	311.658445	315.521021	9.147783	1.00223487	1.723265
03/17/2061	18.458012	1.43750236	0.30285965	312.006158	315.281751	9.151782	1.00214090	1.723509
03/25/2090	321.904576	1.43713931	0.30246760	312.287144	315.055176	9.159235	1.00245123	1.722856
04/03/2119	268.890557	1.43643793	0.30222252	312.596671	314.797986	9.170558	1.00231404	1.721595
04/10/2148	219.418205	1.43636414	0.30196508	312.948271	314.558253	9.177319	1.00263233	1.721462
04/18/2177	169.119830	1.43696409	0.30214562	313.368871	314.310502	9.192135	1.00279168	1.722541

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