Asteroid General Data

2018 HK

General information

Preliminary designation	2018 HK
Group	Apollo
Absolute magnitude	21.40
Approximate diameter (m)	140
Approximate mass (kg)	4.96·10⁹
Number of observations	65
Arc length (days)	2078

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	314.295873
a – orbit major semiaxis (astronomical units)	1.17539000
e – orbit eccentricity	0.37870800
ω – orbit ascending node-perihelion angle (degrees)	232.655135
Ω – longitude of orbit ascending node (degrees)	208.138909
i – orbit inclination to the ecliptic plane (degrees)	29.365454

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	273.863622	1.17525220	0.37723608	231.923911	208.970742	29.419419	0.73190467	1.274082
01/21/1858	193.249841	1.17533759	0.37742935	232.015985	208.843828	29.410862	0.73173069	1.274220
01/29/1887	111.339401	1.17554460	0.37766854	232.122398	208.725149	29.404141	0.73157839	1.274557
02/07/1916	28.717621	1.17562289	0.37792582	232.219355	208.598863	29.393002	0.73132465	1.274684
02/14/1945	305.722413	1.17558654	0.37810414	232.332448	208.479717	29.385928	0.73109240	1.274625
02/22/1974	223.432582	1.17526381	0.37829027	232.461283	208.356234	29.377034	0.73067295	1.274100
03/02/2003	142.076379	1.17532119	0.37853585	232.561870	208.238833	29.370435	0.73041998	1.274194
03/09/2032	61.559023	1.17526665	0.37881272	232.673941	208.116247	29.362636	0.73006070	1.274105
03/17/2061	341.750704	1.17527213	0.37901712	232.766400	207.995357	29.355679	0.72982387	1.274114
03/25/2090	261.161218	1.17533384	0.37932228	232.865712	207.875943	29.347715	0.72950353	1.274214
04/03/2119	179.607345	1.17554051	0.37956000	232.976232	207.750468	29.339480	0.72935235	1.274550
04/10/2148	97.099522	1.17564564	0.37973500	233.055788	207.632541	29.332559	0.72921184	1.274721
04/18/2177	14.038491	1.17547566	0.37991822	233.170650	207.501800	29.324328	0.72889104	1.274445

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