Asteroid General Data

2013 RO₂₁

General information

Preliminary designation	2013 RO₂₁
Group	Amor
Absolute magnitude	25.00
Approximate diameter (m)	27
Approximate mass (kg)	3.43·10⁷
Number of observations	23
Arc length (days)	55

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	314.454931
a – orbit major semiaxis (astronomical units)	2.24121800
e – orbit eccentricity	0.53230300
ω – orbit ascending node-perihelion angle (degrees)	18.270809
Ω – longitude of orbit ascending node (degrees)	342.069664
i – orbit inclination to the ecliptic plane (degrees)	1.691451

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	356.776578	2.24043495	0.53009507	12.662704	346.076729	1.867067	1.05279143	3.353506
01/21/1858	231.808488	2.24155742	0.53029340	13.345247	345.644966	1.841782	1.05287432	3.356027
01/29/1887	105.529772	2.24157186	0.53171211	14.076807	345.131496	1.816560	1.04970095	3.356059
02/07/1916	335.959368	2.24100581	0.53085981	14.980932	344.506957	1.788363	1.05134589	3.354788
02/14/1945	208.243013	2.24285165	0.53247062	15.873354	343.978491	1.756898	1.04859903	3.358934
02/22/1974	81.476274	2.24023075	0.53332428	16.545762	343.452647	1.735974	1.04546130	3.353048
03/02/2003	310.697584	2.24295842	0.53351797	17.254316	342.886445	1.711983	1.04629980	3.359174
03/09/2032	180.765029	2.24226571	0.53096960	18.882765	341.723694	1.671619	1.05169078	3.357618
03/17/2061	51.652817	2.24115542	0.53061720	19.887031	341.087010	1.641928	1.05195980	3.355124
03/25/2090	286.321379	2.24181581	0.53066823	20.682207	340.422791	1.613248	1.05215539	3.356607
04/03/2119	161.422800	2.24231861	0.53142749	21.681350	339.740349	1.586273	1.05068885	3.357736
04/10/2148	32.848776	2.24088219	0.53387260	22.637025	339.052914	1.558698	1.04453659	3.354510
04/18/2177	263.264875	2.24440633	0.53386164	23.432340	338.373071	1.534155	1.04620390	3.362427

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