Asteroid General Data

2011 HF (420210)

General information

Preliminary designation	2011 HF
Number	420210
Group	Apollo
Absolute magnitude	20.43
Approximate diameter (m)	220
Approximate mass (kg)	1.90·10¹⁰
Number of observations	227
Arc length (days)	4742

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	81.658441
a – orbit major semiaxis (astronomical units)	1.28354200
e – orbit eccentricity	0.23468100
ω – orbit ascending node-perihelion angle (degrees)	149.662265
Ω – longitude of orbit ascending node (degrees)	204.870970
i – orbit inclination to the ecliptic plane (degrees)	10.622803

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	114.322608	1.28313777	0.23474594	147.998830	205.998422	10.588095	0.98192639	1.453485
01/21/1858	100.554025	1.28358352	0.23491022	148.235313	205.837202	10.591650	0.98205664	1.454242
01/29/1887	82.722956	1.28443041	0.23531926	148.507025	205.675666	10.595511	0.98217920	1.455682
02/07/1916	61.514174	1.28416115	0.23515841	148.725469	205.522102	10.601121	0.98217985	1.455224
02/14/1945	41.481597	1.28376094	0.23496291	148.982829	205.335522	10.607938	0.98212473	1.454544
02/22/1974	25.245752	1.28317083	0.23457291	149.226704	205.154211	10.614726	0.98217371	1.453541
03/02/2003	11.851111	1.28320674	0.23461726	149.464494	204.989439	10.619567	0.98214429	1.453602
03/09/2032	356.872205	1.28417543	0.23495352	149.741078	204.834224	10.622190	0.98245388	1.455248
03/17/2061	336.590391	1.28423810	0.23495038	149.973343	204.683226	10.627774	0.98250587	1.455355
03/25/2090	314.902603	1.28405035	0.23482127	150.262438	204.508458	10.634526	0.98252801	1.455036
04/03/2119	296.614568	1.28350587	0.23446289	150.517006	204.320697	10.642563	0.98257138	1.454110
04/10/2148	282.248631	1.28320761	0.23429112	150.777708	204.141523	10.649506	0.98256345	1.453604
04/18/2177	268.747898	1.28378986	0.23451505	151.007042	203.987356	10.652744	0.98272181	1.454593

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