Asteroid General Data

2021 RL₁₂

General information

Preliminary designation	2021 RL₁₂
Group	Amor
Absolute magnitude	20.02
Approximate diameter (m)	260
Approximate mass (kg)	3.34·10¹⁰
Number of observations	90
Arc length (days)	4265

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	291.308323
a – orbit major semiaxis (astronomical units)	1.93659300
e – orbit eccentricity	0.33947400
ω – orbit ascending node-perihelion angle (degrees)	226.763924
Ω – longitude of orbit ascending node (degrees)	189.218569
i – orbit inclination to the ecliptic plane (degrees)	22.780707

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	55.725107	1.93623168	0.33684800	224.435983	190.794629	22.918408	1.28401591	2.694242
01/21/1858	332.325695	1.93629480	0.33708460	224.814744	190.550734	22.896804	1.28359964	2.694374
01/29/1887	249.090677	1.93596048	0.33770315	225.130081	190.340607	22.880508	1.28218053	2.693676
02/07/1916	166.010595	1.93643589	0.33774615	225.472698	190.094424	22.858051	1.28241212	2.694668
02/14/1945	82.872702	1.93676685	0.33808061	225.818936	189.880381	22.837770	1.28198353	2.695359
02/22/1974	359.844516	1.93639692	0.33849622	226.135709	189.635723	22.817104	1.28093388	2.694587
03/02/2003	276.422816	1.93674145	0.33905251	226.459347	189.422235	22.795308	1.28008439	2.695306
03/09/2032	192.925336	1.93644843	0.33990131	226.781487	189.207739	22.775626	1.27824707	2.694694
03/17/2061	109.383821	1.93625480	0.34024915	227.134093	188.967507	22.759193	1.27744575	2.694290
03/25/2090	26.131346	1.93636917	0.34110609	227.474601	188.746933	22.738958	1.27586187	2.694529
04/03/2119	302.821721	1.93626964	0.34123910	227.826114	188.501636	22.720093	1.27553874	2.694321
04/10/2148	219.508988	1.93629404	0.34185912	228.153687	188.278012	22.699699	1.27435427	2.694372
04/18/2177	136.153943	1.93678693	0.34192291	228.455722	188.033945	22.680173	1.27455510	2.695401

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