Asteroid General Data

2013 RH₂₁

General information

Preliminary designation	2013 RH₂₁
Group	Amor
Absolute magnitude	20.66
Approximate diameter (m)	200
Approximate mass (kg)	1.38·10¹⁰
Number of observations	20
Arc length (days)	10

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	259.002030
a – orbit major semiaxis (astronomical units)	1.99678900
e – orbit eccentricity	0.35560700
ω – orbit ascending node-perihelion angle (degrees)	108.675234
Ω – longitude of orbit ascending node (degrees)	167.624018
i – orbit inclination to the ecliptic plane (degrees)	25.926050

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	247.602342	1.99714760	0.35859463	106.844345	169.607537	25.789783	1.28098120	2.822382
01/21/1858	348.939223	1.99745153	0.35773881	106.957722	169.384342	25.811408	1.28288560	2.823027
01/29/1887	89.680287	1.99739890	0.35779232	107.397178	169.019503	25.830759	1.28274491	2.822915
02/07/1916	191.053769	1.99708903	0.35729488	107.564451	168.783689	25.856642	1.28353934	2.822258
02/14/1945	292.028680	1.99753517	0.35723565	107.942373	168.423767	25.875008	1.28394440	2.823204
02/22/1974	33.412987	1.99725930	0.35676977	108.182548	168.185506	25.900259	1.28469757	2.822619
03/02/2003	134.600081	1.99672704	0.35719359	108.535669	167.839364	25.916541	1.28350894	2.821491
03/09/2032	236.210134	1.99736156	0.35603975	108.733266	167.592950	25.941827	1.28622145	2.822836
03/17/2061	337.506978	1.99688211	0.35664192	109.116325	167.250765	25.960437	1.28471025	2.821820
03/25/2090	79.443159	1.99724706	0.35533477	109.253890	167.021233	25.986875	1.28755574	2.822593
04/03/2119	180.853468	1.99685613	0.35564628	109.670766	166.676248	26.003213	1.28668167	2.821765
04/10/2148	283.089182	1.99697746	0.35467584	109.821828	166.437431	26.037438	1.28869780	2.822022
04/18/2177	24.798868	1.99703688	0.35432533	110.212209	166.135095	26.057473	1.28943613	2.822148

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