Asteroid General Data

2011 QG₂₁

General information

Preliminary designation	2011 QG₂₁
Group	Apollo
Absolute magnitude	21.65
Approximate diameter (m)	120
Approximate mass (kg)	3.51·10⁹
Number of observations	54
Arc length (days)	1481

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	146.685373
a – orbit major semiaxis (astronomical units)	1.21622300
e – orbit eccentricity	0.43851600
ω – orbit ascending node-perihelion angle (degrees)	255.130544
Ω – longitude of orbit ascending node (degrees)	324.932822
i – orbit inclination to the ecliptic plane (degrees)	18.779117

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	358.698494	1.21619680	0.43871258	253.645054	326.392891	18.787401	0.68263597	1.341240
01/21/1858	228.974235	1.21616413	0.43867719	253.903774	326.174969	18.785060	0.68266066	1.341186
01/29/1887	100.516578	1.21603627	0.43866363	254.056010	325.967610	18.783662	0.68260538	1.340974
02/07/1916	331.511744	1.21597994	0.43865903	254.291428	325.766665	18.784519	0.68257935	1.340881
02/14/1945	203.082211	1.21597948	0.43858390	254.483958	325.539699	18.781003	0.68267046	1.340880
02/22/1974	73.969597	1.21622264	0.43851861	254.730755	325.338563	18.781516	0.68288638	1.341282
03/02/2003	305.458682	1.21610704	0.43852162	254.929872	325.104377	18.777651	0.68281782	1.341091
03/09/2032	176.383310	1.21606150	0.43852951	255.175627	324.905735	18.777197	0.68278265	1.341016
03/17/2061	47.883216	1.21606378	0.43854048	255.385502	324.674280	18.775154	0.68277059	1.341020
03/25/2090	278.625940	1.21615001	0.43853337	255.609541	324.477236	18.775158	0.68282764	1.341162
04/03/2119	149.061279	1.21610418	0.43861154	255.790486	324.264629	18.773054	0.68270686	1.341086
04/10/2148	19.263668	1.21622064	0.43862066	256.021766	324.051639	18.771829	0.68276113	1.341279
04/18/2177	249.211234	1.21618087	0.43870079	256.187456	323.838834	18.768379	0.68264137	1.341213

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