Asteroid General Data

2021 RK₁₂

General information

Preliminary designation	2021 RK₁₂
Group	Aten
Absolute magnitude	26.06
Approximate diameter (m)	16
Approximate mass (kg)	7.94·10⁶
Number of observations	17
Arc length (days)	4

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	4.263913
a – orbit major semiaxis (astronomical units)	0.91787300
e – orbit eccentricity	0.30743600
ω – orbit ascending node-perihelion angle (degrees)	228.549575
Ω – longitude of orbit ascending node (degrees)	341.498426
i – orbit inclination to the ecliptic plane (degrees)	8.813885

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	226.750020	0.91908563	0.30789903	227.247036	343.695505	8.791701	0.63610006	0.881119
01/21/1858	204.086535	0.91865789	0.30803139	227.443938	343.391831	8.786141	0.63568242	0.880504
01/29/1887	178.448707	0.91903863	0.30806452	227.591395	343.054053	8.808875	0.63591544	0.881051
02/07/1916	155.336718	0.91947068	0.30789197	227.844484	342.702143	8.842685	0.63637304	0.881673
02/14/1945	133.506746	0.91892529	0.30795592	228.002635	342.417161	8.832180	0.63593681	0.880888
02/22/1974	108.098485	0.91894485	0.30773053	228.222416	342.052201	8.863287	0.63615746	0.880917
03/02/2003	92.331533	0.91824463	0.30790323	228.517061	341.792191	8.835389	0.63551415	0.879910
03/09/2032	84.403900	0.91829173	0.30806779	228.671040	341.432769	8.837262	0.63539563	0.879978
03/17/2061	80.689192	0.91783716	0.30810752	228.932715	341.179124	8.835329	0.63504462	0.879324
03/25/2090	104.060704	0.91674846	0.30780470	229.218932	340.837425	8.872734	0.63456897	0.877760
04/03/2119	128.915224	0.91627384	0.30841852	229.156409	340.508397	8.868760	0.63367802	0.877079
04/10/2148	157.702292	0.91659167	0.30797465	229.590330	340.210438	8.867924	0.63430467	0.877535
04/18/2177	192.665516	0.91625592	0.30757063	229.828696	339.827546	8.932254	0.63444251	0.877053

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