Asteroid General Data

2018 RH₃

General information

Preliminary designation	2018 RH₃
Group	Aten
Absolute magnitude	26.13
Approximate diameter (m)	16
Approximate mass (kg)	7.21·10⁶
Number of observations	82
Arc length (days)	8

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	286.834209
a – orbit major semiaxis (astronomical units)	0.95902800
e – orbit eccentricity	0.27320200
ω – orbit ascending node-perihelion angle (degrees)	283.967142
Ω – longitude of orbit ascending node (degrees)	302.440419
i – orbit inclination to the ecliptic plane (degrees)	0.432106

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	23.229222	0.94440365	0.27173453	250.586789	334.948381	0.761901	0.68777657	0.917777
01/21/1858	266.418202	0.94560289	0.27172548	253.167207	333.248721	0.763219	0.68865849	0.919526
01/29/1887	54.199689	0.94928871	0.27584919	254.509554	332.449750	0.731726	0.68742818	0.924907
02/07/1916	186.567942	0.94925980	0.27625940	254.668012	332.079272	0.729215	0.68701785	0.924865
02/14/1945	244.246390	0.95671884	0.27462680	260.211850	326.967740	0.676848	0.69397820	0.935787
02/22/1974	254.073950	0.95720068	0.27457556	262.892916	323.258809	0.687313	0.69437676	0.936494
03/02/2003	239.344413	0.95653804	0.27302582	267.784820	318.292735	0.669504	0.69537846	0.935522
03/09/2032	225.664616	0.95900394	0.27326430	284.032497	302.377571	0.431980	0.69694240	0.939142
03/17/2061	188.522509	0.95934026	0.27321731	288.602489	297.607281	0.417480	0.69723190	0.939636
03/25/2090	170.099358	0.95577833	0.27264984	291.932399	294.211074	0.426794	0.69518552	0.934408
04/03/2119	149.208832	0.95850410	0.27169213	304.580762	282.058473	0.394934	0.69808608	0.938408
04/10/2148	135.857204	0.95728391	0.27167490	307.807229	278.756293	0.400467	0.69721391	0.936616
04/18/2177	40.483822	0.96414579	0.27697046	290.889515	296.175520	0.168462	0.69710589	0.946705

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