Asteroid General Data

2021 RK

General information

Preliminary designation	2021 RK
Group	Amor
Absolute magnitude	24.16
Approximate diameter (m)	39
Approximate mass (kg)	1.10·10⁸
Number of observations	34
Arc length (days)	26

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	68.505607
a – orbit major semiaxis (astronomical units)	1.71710300
e – orbit eccentricity	0.40536600
ω – orbit ascending node-perihelion angle (degrees)	218.961735
Ω – longitude of orbit ascending node (degrees)	166.188546
i – orbit inclination to the ecliptic plane (degrees)	14.277849

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	196.927816	1.71977222	0.40536716	216.621562	167.621209	14.387799	1.02263303	2.255314
01/21/1858	147.938273	1.72039290	0.40562423	216.936463	167.413456	14.374080	1.02255985	2.256535
01/29/1887	97.897928	1.72012302	0.40596331	217.188856	167.237818	14.366651	1.02181619	2.256004
02/07/1916	50.938214	1.71823488	0.40539847	217.629903	166.998636	14.345880	1.02166509	2.252291
02/14/1945	6.364907	1.71984829	0.40604683	217.943634	166.775848	14.327472	1.02150934	2.255464
02/22/1974	317.021407	1.72028481	0.40628812	218.298192	166.560794	14.311506	1.02135353	2.256322
03/02/2003	267.500619	1.72000678	0.40622130	218.594773	166.373549	14.299995	1.02130339	2.255775
03/09/2032	222.696190	1.71847013	0.40611111	219.078779	166.125080	14.276586	1.02058031	2.252753
03/17/2061	176.625214	1.71993716	0.40674314	219.393446	165.911577	14.261591	1.02036452	2.255638
03/25/2090	126.763944	1.72015572	0.40725210	219.729392	165.712173	14.247685	1.01961869	2.256068
04/03/2119	77.440382	1.71923936	0.40698749	220.034759	165.503319	14.237928	1.01953044	2.254266
04/10/2148	32.525038	1.71944694	0.40766319	220.430259	165.272952	14.215575	1.01849172	2.254674
04/18/2177	343.276480	1.72039130	0.40782713	220.764636	165.045852	14.199041	1.01876906	2.256532

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