Asteroid General Data

2001 RA₁₂ (162979)

General information

Preliminary designation	2001 RA₁₂
Number	162979
Group	Apollo
Absolute magnitude	18.29
Approximate diameter (m)	580
Approximate mass (kg)	3.65·10¹¹
Number of observations	164
Arc length (days)	8416

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	236.973282
a – orbit major semiaxis (astronomical units)	2.03876900
e – orbit eccentricity	0.54265200
ω – orbit ascending node-perihelion angle (degrees)	326.188409
Ω – longitude of orbit ascending node (degrees)	311.525975
i – orbit inclination to the ecliptic plane (degrees)	17.099831

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	223.117928	2.03389629	0.54880771	322.895964	314.016580	16.680357	0.91767833	2.900640
01/21/1858	225.083690	2.03373399	0.54882600	323.102275	313.737515	16.706110	0.91756791	2.900293
01/29/1887	222.097201	2.03673489	0.54473927	323.473599	313.487583	16.732914	0.92724540	2.906714
02/07/1916	212.357065	2.03825087	0.54249211	324.209104	313.097866	16.821333	0.93251586	2.909960
02/14/1945	202.462908	2.03571755	0.54451803	325.329248	312.387873	17.004573	0.92723264	2.904537
02/22/1974	200.898457	2.03579871	0.54647460	325.730032	311.988254	17.058473	0.92328643	2.904711
03/02/2003	200.232369	2.03611151	0.54595392	325.914277	311.712443	17.085082	0.92448845	2.905380
03/09/2032	194.409773	2.03827288	0.54271021	326.256745	311.484697	17.102973	0.93208138	2.910007
03/17/2061	174.914053	2.04389776	0.54016843	327.121340	311.030919	17.182612	0.93984872	2.922062
03/25/2090	153.692748	2.04150514	0.54151382	328.072012	310.496741	17.338763	0.93600189	2.916932
04/03/2119	138.677784	2.03938453	0.54385150	328.722585	309.987774	17.451157	0.93026220	2.912388
04/10/2148	130.672743	2.03734081	0.54457166	328.939967	309.685724	17.502338	0.92786274	2.908012
04/18/2177	122.710222	2.03757663	0.54296428	329.131414	309.481937	17.514365	0.93124531	2.908517

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