Asteroid General Data

2010 GU₂₁

General information

Preliminary designation	2010 GU₂₁
Group	Apollo
Absolute magnitude	21.13
Approximate diameter (m)	160
Approximate mass (kg)	7.21·10⁹
Number of observations	451
Arc length (days)	5836

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	21.152527
a – orbit major semiaxis (astronomical units)	2.18015300
e – orbit eccentricity	0.56398600
ω – orbit ascending node-perihelion angle (degrees)	201.642690
Ω – longitude of orbit ascending node (degrees)	56.963518
i – orbit inclination to the ecliptic plane (degrees)	3.162575

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	305.462176	2.18317808	0.56284049	196.531377	59.974189	3.378506	0.95439707	3.225777
01/21/1858	304.223785	2.18338440	0.56381347	197.168935	59.626749	3.346637	0.95236286	3.226234
01/29/1887	299.556012	2.18327414	0.56338947	197.990282	59.202989	3.310090	0.95324047	3.225990
02/07/1916	297.243074	2.18283730	0.56381389	198.191288	58.914399	3.294878	0.95212331	3.225022
02/14/1945	292.492586	2.18363418	0.56379874	198.935515	58.511074	3.256790	0.95250399	3.226788
02/22/1974	284.001747	2.18837033	0.56222481	199.700045	58.102259	3.217420	0.95801423	3.237292
03/02/2003	274.636894	2.18983164	0.56284172	200.714249	57.421220	3.168972	0.95730303	3.240535
03/09/2032	273.528263	2.18003014	0.56438404	201.656896	56.949524	3.161642	0.94965593	3.218803
03/17/2061	278.033088	2.17877448	0.56517778	202.357403	56.529297	3.128346	0.94737955	3.216022
03/25/2090	285.642739	2.17929106	0.56330941	202.840000	56.042015	3.101653	0.95167591	3.217166
04/03/2119	294.887616	2.17683577	0.56368702	203.668800	55.596210	3.066957	0.94978169	3.211731
04/10/2148	304.138135	2.17933682	0.56393114	204.701990	54.935796	3.024430	0.95034092	3.217267
04/18/2177	299.839095	2.18594214	0.56618230	204.740205	54.636097	3.038359	0.94830040	3.231905

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