Asteroid General Data

2011 HH₁

General information

Preliminary designation	2011 HH₁
Group	Apollo
Absolute magnitude	21.69
Approximate diameter (m)	120
Approximate mass (kg)	3.33·10⁹
Number of observations	61
Arc length (days)	4941

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	288.559632
a – orbit major semiaxis (astronomical units)	1.90374300
e – orbit eccentricity	0.60187300
ω – orbit ascending node-perihelion angle (degrees)	223.784810
Ω – longitude of orbit ascending node (degrees)	71.522232
i – orbit inclination to the ecliptic plane (degrees)	11.190460

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	126.955848	1.90077457	0.59932776	219.707680	74.596994	11.594163	0.76158761	2.620575
01/21/1858	153.364203	1.89996602	0.59989204	220.174290	74.236082	11.551044	0.76019153	2.618903
01/29/1887	182.090784	1.89888324	0.59900290	220.817416	73.752223	11.476870	0.76144666	2.616664
02/07/1916	213.675757	1.89991424	0.59934657	221.394443	73.327801	11.419293	0.76120715	2.618796
02/14/1945	241.421963	1.90060262	0.60041977	221.919740	72.908053	11.361157	0.75944323	2.620219
02/22/1974	269.109847	1.89984431	0.60020802	222.457190	72.480476	11.312918	0.75954251	2.618651
03/02/2003	299.106332	1.90031498	0.60064813	223.302504	71.899100	11.222760	0.75889435	2.619624
03/09/2032	327.192367	1.89979230	0.60125804	223.786217	71.499893	11.181234	0.75752690	2.618544
03/17/2061	356.647163	1.89867841	0.60162465	224.248207	71.112003	11.135063	0.75638668	2.616241
03/25/2090	32.072158	1.89636189	0.60026763	224.998561	70.551645	11.064409	0.75803724	2.611454
04/03/2119	74.195386	1.89652358	0.60025166	225.573272	70.115504	11.013724	0.75813215	2.611788
04/10/2148	116.485615	1.89574199	0.60064521	226.143353	69.629537	10.954924	0.75707364	2.610174
04/18/2177	155.779151	1.89772122	0.60119473	226.722984	69.180575	10.903327	0.75682123	2.614263

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