Asteroid General Data

2018 RW₇ (566540)

General information

Preliminary designation	2018 RW₇
Number	566540
Group	Apollo
Absolute magnitude	21.61
Approximate diameter (m)	130
Approximate mass (kg)	3.71·10⁹
Number of observations	189
Arc length (days)	2882

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	275.767953
a – orbit major semiaxis (astronomical units)	1.61512300
e – orbit eccentricity	0.44428100
ω – orbit ascending node-perihelion angle (degrees)	287.792934
Ω – longitude of orbit ascending node (degrees)	164.429199
i – orbit inclination to the ecliptic plane (degrees)	9.241241

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	143.924367	1.61400748	0.44413774	284.559393	166.822677	9.154389	0.89716585	2.050496
01/21/1858	199.789343	1.61343765	0.44408470	285.046546	166.478429	9.167000	0.89693468	2.049410
01/29/1887	254.282256	1.61418963	0.44414873	285.493286	166.154573	9.179684	0.89724935	2.050843
02/07/1916	308.688475	1.61415514	0.44408640	286.037745	165.744186	9.193522	0.89733079	2.050777
02/14/1945	2.741274	1.61448631	0.44402695	286.543314	165.381294	9.210770	0.89761087	2.051409
02/22/1974	54.601139	1.61491016	0.44429309	287.051123	165.034174	9.224005	0.89741673	2.052216
03/02/2003	105.932067	1.61489115	0.44433271	287.426169	164.719210	9.234668	0.89734219	2.052180
03/09/2032	155.786561	1.61535401	0.44449436	287.844884	164.382092	9.243657	0.89733826	2.053063
03/17/2061	205.200093	1.61512370	0.44427112	288.273300	164.044721	9.257988	0.89757089	2.052623
03/25/2090	255.363388	1.61481909	0.44450771	288.653502	163.758659	9.269495	0.89701955	2.052043
04/03/2119	306.783646	1.61444673	0.44407085	289.076777	163.427153	9.283963	0.89751799	2.051333
04/10/2148	358.630232	1.61488870	0.44378096	289.512158	163.103306	9.300925	0.89823185	2.052176
04/18/2177	50.845731	1.61355113	0.44322741	290.014783	162.714637	9.320166	0.89838103	2.049626

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