Asteroid General Data

2009 RA₄

General information

Preliminary designation	2009 RA₄
Group	Amor
Absolute magnitude	21.59
Approximate diameter (m)	130
Approximate mass (kg)	3.82·10⁹
Number of observations	38
Arc length (days)	58

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	356.585031
a – orbit major semiaxis (astronomical units)	2.26713200
e – orbit eccentricity	0.44924700
ω – orbit ascending node-perihelion angle (degrees)	345.252722
Ω – longitude of orbit ascending node (degrees)	358.138911
i – orbit inclination to the ecliptic plane (degrees)	6.200816

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	34.064294	2.26858267	0.44671237	341.457633	0.208039	6.187403	1.25517872	3.416902
01/21/1858	213.330029	2.26793460	0.44720754	341.907082	359.930385	6.190968	1.25369716	3.415438
01/29/1887	32.570921	2.26684682	0.44938204	342.775619	359.522764	6.207352	1.24816657	3.412981
02/07/1916	213.137692	2.26703603	0.44953175	343.292170	359.246663	6.210312	1.24793136	3.413408
02/14/1945	33.993878	2.26588405	0.45053074	343.802653	358.923350	6.214746	1.24503362	3.410807
02/22/1974	214.602543	2.26695527	0.44965841	344.330240	358.634245	6.208467	1.24759978	3.413226
03/02/2003	34.625029	2.26678945	0.44919581	344.780068	358.383462	6.202919	1.24855713	3.412851
03/09/2032	213.073371	2.26810757	0.44771093	345.529278	358.089393	6.190026	1.25265103	3.415829
03/17/2061	31.904716	2.26851301	0.44694341	345.966465	357.833766	6.183521	1.25461608	3.416745
03/25/2090	210.904690	2.26627152	0.44961904	346.621492	357.457397	6.197731	1.24731270	3.411682
04/03/2119	30.797243	2.26696584	0.44976263	347.178490	357.168612	6.194775	1.24736931	3.413250
04/10/2148	211.553310	2.26688905	0.44985669	347.588128	356.883500	6.194174	1.24711384	3.413076
04/18/2177	32.140492	2.26621165	0.45013078	348.165183	356.579016	6.189007	1.24612003	3.411547

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