Asteroid General Data

2009 RU₁

General information

Preliminary designation	2009 RU₁
Group	Apollo
Absolute magnitude	24.20
Approximate diameter (m)	38
Approximate mass (kg)	1.04·10⁸
Number of observations	51
Arc length (days)	4029

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	331.849169
a – orbit major semiaxis (astronomical units)	1.35342900
e – orbit eccentricity	0.38051900
ω – orbit ascending node-perihelion angle (degrees)	330.352165
Ω – longitude of orbit ascending node (degrees)	300.448348
i – orbit inclination to the ecliptic plane (degrees)	0.853368

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	141.870285	1.34495314	0.37730797	319.947300	309.483341	0.930313	0.83749160	1.559773
01/21/1858	357.846228	1.34411567	0.37711130	320.488641	308.970084	0.923732	0.83723446	1.558316
01/29/1887	212.277886	1.34619483	0.37767483	321.703275	307.733801	0.919107	0.83777092	1.561933
02/07/1916	57.329587	1.34681593	0.37768816	322.716596	306.994297	0.907587	0.83813950	1.563014
02/14/1945	270.574351	1.34557614	0.37747962	325.857134	304.163913	0.897430	0.83764857	1.560857
02/22/1974	124.225919	1.34583902	0.37767501	326.392604	303.559805	0.895230	0.83754925	1.561314
03/02/2003	333.652303	1.34651686	0.37783498	327.791374	302.512220	0.883503	0.83775569	1.562494
03/09/2032	163.622665	1.34924354	0.37842177	330.406137	300.225306	0.853738	0.83866041	1.567242
03/17/2061	342.461507	1.35176598	0.37929830	332.587104	297.998578	0.851538	0.83904344	1.571639
03/25/2090	138.701487	1.35365976	0.37959324	333.884902	296.562674	0.847478	0.83981967	1.574943
04/03/2119	296.208098	1.35233013	0.37944174	334.366792	296.060583	0.845338	0.83919963	1.572623
04/10/2148	66.797313	1.35691770	0.38054919	342.307456	288.384931	0.803541	0.84054376	1.580632
04/18/2177	188.694467	1.35996506	0.38147784	344.356477	286.626742	0.786749	0.84116853	1.585960

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