Asteroid General Data

2016 GP₂₂₁

General information

Preliminary designation	2016 GP₂₂₁
Group	Apollo
Absolute magnitude	25.89
Approximate diameter (m)	18
Approximate mass (kg)	1.00·10⁷
Number of observations	68
Arc length (days)	4

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	123.355016
a – orbit major semiaxis (astronomical units)	1.54630200
e – orbit eccentricity	0.61356100
ω – orbit ascending node-perihelion angle (degrees)	273.030003
Ω – longitude of orbit ascending node (degrees)	29.192980
i – orbit inclination to the ecliptic plane (degrees)	8.918759

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	233.343006	1.55974604	0.61491361	268.680712	32.762428	8.834045	0.60063697	1.947966
01/21/1858	203.142437	1.55819551	0.61461022	269.181700	32.249609	8.839643	0.60051263	1.945062
01/29/1887	170.645171	1.55888201	0.61495698	269.890172	31.672556	8.829421	0.60023663	1.946348
02/07/1916	140.312574	1.55925568	0.61509132	270.453767	31.174292	8.835867	0.60017105	1.947048
02/14/1945	108.513672	1.55822309	0.61470413	271.096628	30.589892	8.840628	0.60037692	1.945114
02/22/1974	81.323628	1.55775596	0.61468503	271.680157	30.107997	8.836689	0.60022669	1.944239
03/02/2003	58.851717	1.55601911	0.61497485	272.287417	29.564865	8.839018	0.59910649	1.940989
03/09/2032	68.468018	1.54617812	0.61332387	273.132140	29.101962	8.920830	0.59787018	1.922604
03/17/2061	108.602808	1.54515655	0.61300903	273.708282	28.632271	8.919083	0.59796163	1.920699
03/25/2090	147.429150	1.54708855	0.61328251	274.150414	28.061557	8.908820	0.59828620	1.924303
04/03/2119	177.214860	1.54678193	0.61323575	274.630949	27.584400	8.894059	0.59823995	1.923731
04/10/2148	204.470083	1.54750809	0.61341082	275.299213	27.030563	8.891253	0.59824988	1.925085
04/18/2177	228.961155	1.54882365	0.61355228	275.876270	26.589805	8.896574	0.59853937	1.927541

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