Asteroid General Data

2018 HH

General information

Preliminary designation	2018 HH
Group	Amor
Absolute magnitude	19.49
Approximate diameter (m)	340
Approximate mass (kg)	6.95·10¹⁰
Number of observations	181
Arc length (days)	1424

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	311.893451
a – orbit major semiaxis (astronomical units)	2.70739400
e – orbit eccentricity	0.52489400
ω – orbit ascending node-perihelion angle (degrees)	243.663377
Ω – longitude of orbit ascending node (degrees)	354.078265
i – orbit inclination to the ecliptic plane (degrees)	15.571503

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	159.184123	2.71022211	0.51934433	236.266633	1.556101	16.461894	1.30268363	4.461778
01/21/1858	346.622149	2.71075877	0.51959626	237.542960	0.357477	16.300800	1.30225866	4.463103
01/29/1887	173.097020	2.71179116	0.52011630	238.731167	359.196074	16.146166	1.30134438	4.465653
02/07/1916	359.175018	2.70052304	0.52547512	239.201832	358.578913	16.094564	1.28146537	4.437848
02/14/1945	183.286232	2.69791070	0.52754377	240.387717	357.354773	15.951985	1.27464471	4.431410
02/22/1974	10.949547	2.70877875	0.52227079	241.156088	356.587519	15.848086	1.29406274	4.458214
03/02/2003	202.494974	2.70553972	0.52400841	242.337876	355.350556	15.712560	1.28781416	4.450220
03/09/2032	34.459215	2.70524365	0.52541928	243.814578	354.003603	15.570808	1.28385649	4.449490
03/17/2061	227.680691	2.70641267	0.52643907	244.945152	352.875028	15.419229	1.28165130	4.452374
03/25/2090	57.320966	2.69513881	0.53097131	245.466997	352.117092	15.403230	1.26409742	4.424583
04/03/2119	244.257975	2.70115997	0.52894814	246.693745	350.801522	15.258480	1.27238642	4.439418
04/10/2148	72.375358	2.71073131	0.52435452	247.826815	349.737306	15.164496	1.28934710	4.463035
04/18/2177	258.929323	2.71009006	0.52428684	249.366093	348.303004	15.049039	1.28922551	4.461452

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