Asteroid General Data

2018 EH₄ (678976)

General information

Preliminary designation	2018 EH₄
Number	678976
Group	Apollo
Absolute magnitude	21.68
Approximate diameter (m)	120
Approximate mass (kg)	3.37·10⁹
Number of observations	129
Arc length (days)	3264

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	337.636941
a – orbit major semiaxis (astronomical units)	2.06020500
e – orbit eccentricity	0.61246700
ω – orbit ascending node-perihelion angle (degrees)	75.291720
Ω – longitude of orbit ascending node (degrees)	2.792831
i – orbit inclination to the ecliptic plane (degrees)	6.186448

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	211.223360	2.03418783	0.62304859	65.092909	11.629020	6.490384	0.76678998	2.901264
01/21/1858	214.779196	2.03354255	0.62473778	65.664743	11.046844	6.468689	0.76311170	2.899883
01/29/1887	215.334306	2.03487738	0.62366609	66.227114	10.461727	6.446593	0.76579336	2.902739
02/07/1916	182.569933	2.05591725	0.62122695	67.465557	9.063024	6.377824	0.77872605	2.947875
02/14/1945	121.480878	2.05836871	0.61854411	69.008741	7.799219	6.332744	0.78517686	2.953149
02/22/1974	55.275529	2.05859395	0.61435667	71.561275	5.777686	6.262637	0.79388303	2.953634
03/02/2003	350.622478	2.05873654	0.61303814	73.407818	4.312562	6.219843	0.79665253	2.953941
03/09/2032	285.772523	2.05824305	0.61175923	76.201406	2.067578	6.141332	0.79909386	2.952879
03/17/2061	226.657722	2.05562696	0.61251375	78.139352	0.542489	6.107152	0.79652718	2.947251
03/25/2090	173.870187	2.05423191	0.61449859	80.171477	358.876514	6.065649	0.79190930	2.944251
04/03/2119	130.996818	2.04899783	0.61810622	81.863828	357.478826	6.045431	0.78249952	2.933005
04/10/2148	97.971192	2.04619163	0.62045382	82.900695	356.539355	6.024714	0.77662422	2.926982
04/18/2177	70.328031	2.04584061	0.62234955	83.687641	355.743523	6.012781	0.77261263	2.926229

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