Asteroid General Data

2018 HP

General information

Preliminary designation	2018 HP
Group	Aten
Absolute magnitude	26.27
Approximate diameter (m)	15
Approximate mass (kg)	5.94·10⁶
Number of observations	40
Arc length (days)	7

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	99.804461
a – orbit major semiaxis (astronomical units)	0.80588700
e – orbit eccentricity	0.40531700
ω – orbit ascending node-perihelion angle (degrees)	154.579487
Ω – longitude of orbit ascending node (degrees)	208.600556
i – orbit inclination to the ecliptic plane (degrees)	7.651141

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	8.897011	0.80598494	0.40467070	152.440023	211.236806	7.759971	0.47982645	0.723587
01/21/1858	48.018870	0.80598149	0.40475533	152.736906	210.848549	7.758847	0.47975618	0.723583
01/29/1887	91.641576	0.80576154	0.40513250	153.104018	210.456242	7.720187	0.47932135	0.723287
02/07/1916	137.857778	0.80573981	0.40519334	153.430690	210.090799	7.728716	0.47925941	0.723257
02/14/1945	175.589466	0.80586792	0.40524594	153.691282	209.698850	7.700135	0.47929322	0.723430
02/22/1974	215.613045	0.80548438	0.40554198	154.108525	209.285316	7.668538	0.47882665	0.722913
03/02/2003	261.871253	0.80588301	0.40531931	154.351778	208.900237	7.674496	0.47924307	0.723450
03/09/2032	304.216445	0.80609529	0.40528550	154.611583	208.542297	7.654237	0.47939656	0.723736
03/17/2061	343.707637	0.80595162	0.40531293	154.941498	208.175292	7.653823	0.47928900	0.723543
03/25/2090	27.424173	0.80584875	0.40548879	155.277542	207.794283	7.633864	0.47908611	0.723404
04/03/2119	71.984899	0.80575046	0.40562262	155.642075	207.401033	7.640854	0.47891985	0.723272
04/10/2148	111.495072	0.80585198	0.40565836	155.898108	207.020562	7.627557	0.47895139	0.723408
04/18/2177	150.174308	0.80573041	0.40588033	156.237165	206.630740	7.600185	0.47870029	0.723245

Detailed table...

3D animation...

Calculation on the date...

Return to search