Asteroid General Data

2018 HB₁

General information

Preliminary designation	2018 HB₁
Group	Apollo
Absolute magnitude	24.84
Approximate diameter (m)	29
Approximate mass (kg)	4.28·10⁷
Number of observations	46
Arc length (days)	7

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	146.784346
a – orbit major semiaxis (astronomical units)	1.52298800
e – orbit eccentricity	0.36782300
ω – orbit ascending node-perihelion angle (degrees)	219.912926
Ω – longitude of orbit ascending node (degrees)	41.537188
i – orbit inclination to the ecliptic plane (degrees)	8.070011

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	66.239152	1.51785340	0.36515354	217.757179	43.206539	8.268691	0.96360385	1.870016
01/21/1858	249.584055	1.51753769	0.36531917	218.099429	42.969442	8.253206	0.96315208	1.869433
01/29/1887	75.833142	1.51813909	0.36525057	218.433569	42.719927	8.240091	0.96363793	1.870544
02/07/1916	240.580670	1.52254650	0.36706645	218.610870	42.430263	8.169178	0.96367076	1.878696
02/14/1945	40.045517	1.52265679	0.36703582	218.973706	42.211571	8.156049	0.96378720	1.878900
02/22/1974	186.780941	1.52581478	0.36843592	219.165988	41.975539	8.100044	0.96364981	1.884748
03/02/2003	328.222534	1.52681510	0.36881681	219.521736	41.696202	8.079562	0.96370003	1.886602
03/09/2032	115.455169	1.52313284	0.36783466	219.941460	41.510733	8.068730	0.96287179	1.879781
03/17/2061	271.296620	1.52324711	0.36794225	220.294820	41.262631	8.053776	0.96278014	1.879993
03/25/2090	55.238160	1.52562358	0.36911274	220.528103	41.005413	7.989725	0.96249649	1.884394
04/03/2119	197.084262	1.52666633	0.36957359	220.879188	40.694375	7.978171	0.96245077	1.886326
04/10/2148	341.385677	1.52511433	0.36890348	221.371008	40.447635	7.968057	0.96249434	1.883451
04/18/2177	123.066522	1.52710105	0.36971558	221.625881	40.218399	7.932373	0.96250800	1.887132

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