Asteroid General Data

2018 CH

General information

Preliminary designation	2018 CH
Group	Aten
Absolute magnitude	26.35
Approximate diameter (m)	14
Approximate mass (kg)	5.32·10⁶
Number of observations	36
Arc length (days)	9

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	344.338790
a – orbit major semiaxis (astronomical units)	0.81760800
e – orbit eccentricity	0.40108500
ω – orbit ascending node-perihelion angle (degrees)	241.395314
Ω – longitude of orbit ascending node (degrees)	109.934994
i – orbit inclination to the ecliptic plane (degrees)	1.556462

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	347.807117	0.81314392	0.40159273	228.103617	124.081934	1.601747	0.48659123	0.733249
01/21/1858	199.744601	0.81299586	0.40139990	229.029745	122.951513	1.602480	0.48665940	0.733049
01/29/1887	55.776486	0.81230645	0.40172128	232.073528	119.750562	1.615848	0.48598566	0.732117
02/07/1916	267.502264	0.81387788	0.40073654	233.172181	118.794343	1.620053	0.48772727	0.734242
02/14/1945	97.653672	0.81389478	0.40086840	234.982056	116.799225	1.639894	0.48763008	0.734265
02/22/1974	267.299786	0.81481023	0.40030968	236.829685	114.922202	1.573362	0.48863381	0.735504
03/02/2003	44.901657	0.81819084	0.40041502	238.987648	112.618783	1.622788	0.49057494	0.740087
03/09/2032	131.197788	0.81751630	0.40106242	241.424222	109.921969	1.556807	0.48964124	0.739172
03/17/2061	246.902891	0.81661584	0.40152033	243.756234	107.309998	1.518931	0.48872798	0.737951
03/25/2090	2.817449	0.81738042	0.40120278	245.280601	105.803999	1.475878	0.48944513	0.738987
04/03/2119	113.870345	0.81685820	0.40154943	247.964072	102.837338	1.438997	0.48884925	0.738279
04/10/2148	245.161013	0.81568824	0.40265127	251.460258	99.139698	1.321748	0.48725033	0.736694
04/18/2177	336.248811	0.81880516	0.40347385	254.473063	96.007385	1.321966	0.48843869	0.740920

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