Asteroid General Data

2018 HE₂

General information

Preliminary designation	2018 HE₂
Group	Apollo
Absolute magnitude	27.92
Approximate diameter (m)	7
Approximate mass (kg)	6.08·10⁵
Number of observations	34
Arc length (days)	3

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	225.179946
a – orbit major semiaxis (astronomical units)	1.50042600
e – orbit eccentricity	0.37529300
ω – orbit ascending node-perihelion angle (degrees)	323.474039
Ω – longitude of orbit ascending node (degrees)	205.434674
i – orbit inclination to the ecliptic plane (degrees)	2.151396

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	131.737958	1.48294123	0.36967907	317.906608	209.566056	2.294809	0.93472889	1.805870
01/21/1858	150.024002	1.48478566	0.37032851	318.544131	209.052883	2.301734	0.93492720	1.809240
01/29/1887	172.355320	1.48397371	0.36995012	319.566865	208.097791	2.315436	0.93497745	1.807756
02/07/1916	191.290494	1.48358455	0.36975118	320.002176	207.792120	2.322540	0.93502741	1.807045
02/14/1945	206.233103	1.48635793	0.37065382	320.722884	207.202924	2.331555	0.93543368	1.812115
02/22/1974	219.700195	1.48376218	0.37006077	321.017698	206.822720	2.344207	0.93468001	1.807370
03/02/2003	240.420045	1.48236171	0.36939377	321.584357	206.411279	2.351741	0.93478654	1.804812
03/09/2032	217.408818	1.50078882	0.37546507	323.518832	205.402515	2.151742	0.93729504	1.838569
03/17/2061	139.528795	1.50033268	0.37514475	323.979846	205.107894	2.158923	0.93749075	1.837731
03/25/2090	70.709127	1.49805189	0.37445484	325.096571	203.783869	2.185402	0.93709911	1.833542
04/03/2119	16.486819	1.49456104	0.37325931	326.014561	202.737606	2.207778	0.93670223	1.827137
04/10/2148	335.587231	1.49429759	0.37326797	326.370332	202.481336	2.211768	0.93652416	1.826654
04/18/2177	290.129521	1.49342619	0.37301616	327.581101	201.351391	2.231860	0.93635408	1.825056

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