Asteroid General Data

2011 GA₅₅ (420187)

General information

Preliminary designation	2011 GA₅₅
Number	420187
Group	Amor
Absolute magnitude	18.16
Approximate diameter (m)	620
Approximate mass (kg)	4.36·10¹¹
Number of observations	472
Arc length (days)	5896

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	276.644611
a – orbit major semiaxis (astronomical units)	2.16980900
e – orbit eccentricity	0.48217100
ω – orbit ascending node-perihelion angle (degrees)	317.434901
Ω – longitude of orbit ascending node (degrees)	319.585178
i – orbit inclination to the ecliptic plane (degrees)	8.744645

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	317.078640	2.16891482	0.48247188	311.595662	323.757008	8.454247	1.12247440	3.194217
01/21/1858	349.839417	2.16714126	0.48406501	312.166171	323.214177	8.481107	1.11810400	3.190299
01/29/1887	20.352739	2.16861565	0.48320207	312.974496	322.615100	8.518275	1.12073608	3.193556
02/07/1916	50.006231	2.16979624	0.48199089	314.106003	321.968136	8.569851	1.12397422	3.196164
02/14/1945	81.570993	2.16841218	0.48243359	315.134408	321.228698	8.624938	1.12229730	3.193106
02/22/1974	113.283508	2.16763653	0.48296734	315.420717	320.871885	8.638132	1.12073889	3.191393
03/02/2003	143.457208	2.16898723	0.48263877	316.431171	320.215164	8.691370	1.12214989	3.194377
03/09/2032	173.890112	2.16889352	0.48242656	317.511536	319.534027	8.747011	1.12256168	3.194169
03/17/2061	205.211029	2.16942771	0.48268952	318.272295	318.896961	8.786672	1.12226769	3.195350
03/25/2090	236.866050	2.16908676	0.48160434	318.700403	318.584542	8.806655	1.12444517	3.194596
04/03/2119	266.847725	2.16847566	0.48250144	319.747339	317.927207	8.868019	1.12218304	3.193246
04/10/2148	297.397533	2.16714552	0.48307326	320.631443	317.301754	8.920202	1.12025546	3.190309
04/18/2177	329.211148	2.16917482	0.48059484	320.951783	317.039228	8.926425	1.12668059	3.194791

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