Asteroid General Data

2005 GQ₂₁ (339492)

General information

Preliminary designation	2005 GQ₂₁
Number	339492
Group	Amor
Absolute magnitude	18.39
Approximate diameter (m)	560
Approximate mass (kg)	3.18·10¹¹
Number of observations	323
Arc length (days)	8926

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	88.601869
a – orbit major semiaxis (astronomical units)	1.42634400
e – orbit eccentricity	0.21516700
ω – orbit ascending node-perihelion angle (degrees)	143.625225
Ω – longitude of orbit ascending node (degrees)	203.235541
i – orbit inclination to the ecliptic plane (degrees)	47.022896

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	74.912016	1.42634971	0.21855399	143.059467	203.756995	46.975071	1.11461529	1.703490
01/21/1858	87.860033	1.42626740	0.21814836	143.137535	203.680003	46.983080	1.11512950	1.703343
01/29/1887	100.915267	1.42624096	0.21762326	143.219929	203.601856	46.993347	1.11585776	1.703295
02/07/1916	113.884657	1.42631121	0.21716063	143.306080	203.525970	46.998995	1.11657256	1.703421
02/14/1945	126.934690	1.42638818	0.21666339	143.383569	203.448467	47.004330	1.11734208	1.703559
02/22/1974	139.851874	1.42637208	0.21610041	143.487402	203.371593	47.010822	1.11813249	1.703530
03/02/2003	152.881631	1.42641761	0.21559496	143.578278	203.295332	47.016920	1.11888916	1.703612
03/09/2032	165.716822	1.42641177	0.21508498	143.666620	203.220128	47.025121	1.11961202	1.703601
03/17/2061	178.313778	1.42631474	0.21458082	143.752033	203.144550	47.033283	1.12025495	1.703428
03/25/2090	191.147721	1.42632833	0.21407289	143.849393	203.070004	47.043945	1.12099011	1.703452
04/03/2119	203.743497	1.42640891	0.21358813	143.930120	202.994992	47.050303	1.12174490	1.703596
04/10/2148	216.184685	1.42655377	0.21306324	144.026632	202.916817	47.059208	1.12260761	1.703856
04/18/2177	228.877915	1.42649016	0.21263094	144.145980	202.839453	47.066448	1.12317422	1.703742

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