Asteroid General Data

2018 RB

General information

Preliminary designation	2018 RB
Group	Apollo
Absolute magnitude	21.82
Approximate diameter (m)	110
Approximate mass (kg)	2.78·10⁹
Number of observations	261
Arc length (days)	888

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	3.898372
a – orbit major semiaxis (astronomical units)	1.95199600
e – orbit eccentricity	0.73122000
ω – orbit ascending node-perihelion angle (degrees)	244.554306
Ω – longitude of orbit ascending node (degrees)	348.942151
i – orbit inclination to the ecliptic plane (degrees)	4.553256

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	146.317582	1.95073828	0.73145220	232.391051	0.104274	5.071902	0.52386647	2.724577
01/21/1858	19.301363	1.94825172	0.73186217	234.058216	358.593928	4.980836	0.52239999	2.719369
01/29/1887	254.581896	1.94893817	0.73146136	235.968509	356.870462	4.884309	0.52336520	2.720807
02/07/1916	131.647986	1.94907497	0.73055890	237.822918	355.180924	4.797827	0.52516091	2.721093
02/14/1945	9.551439	1.94940861	0.73126113	239.891338	353.305102	4.711538	0.52388186	2.721792
02/22/1974	250.002362	1.94978261	0.72959042	241.159704	352.125799	4.666599	0.52723989	2.722575
03/02/2003	131.694422	1.95014687	0.72991896	243.548481	349.931064	4.577539	0.52669769	2.723338
03/09/2032	8.582245	1.95056032	0.73131677	244.700185	348.817541	4.551182	0.52408286	2.724204
03/17/2061	246.684536	1.94801385	0.73039204	247.085665	346.585889	4.473227	0.52520004	2.718871
03/25/2090	134.367882	1.94265413	0.73157338	249.133874	344.670791	4.429539	0.52146008	2.707658
04/03/2119	28.475677	1.94214806	0.73225132	251.193705	342.772303	4.373185	0.52000758	2.706600
04/10/2148	281.615288	1.94314726	0.73177814	253.462635	340.659796	4.321690	0.52119457	2.708689
04/18/2177	173.651365	1.94471362	0.73177864	255.737759	338.561911	4.271449	0.52161373	2.711965

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