Asteroid General Data

2021 RH

General information

Preliminary designation	2021 RH
Group	Aten
Absolute magnitude	25.77
Approximate diameter (m)	19
Approximate mass (kg)	1.19·10⁷
Number of observations	132
Arc length (days)	5

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	286.521705
a – orbit major semiaxis (astronomical units)	0.95542000
e – orbit eccentricity	0.08763800
ω – orbit ascending node-perihelion angle (degrees)	28.145231
Ω – longitude of orbit ascending node (degrees)	162.113269
i – orbit inclination to the ecliptic plane (degrees)	15.507263

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	354.275039	0.95637130	0.08903902	30.412424	163.535368	15.417725	0.87121694	0.935277
01/21/1858	7.865419	0.95569805	0.08923815	29.685470	163.323819	15.434035	0.87041332	0.934290
01/29/1887	25.521943	0.95596645	0.08897188	29.830555	163.143521	15.438367	0.87091232	0.934684
02/07/1916	53.642385	0.95462525	0.08954036	28.693553	162.917998	15.455701	0.86914776	0.932717
02/14/1945	101.195498	0.95402397	0.09002010	28.640853	162.721496	15.460984	0.86814263	0.931836
02/22/1974	148.933586	0.95446728	0.08918687	28.208578	162.510077	15.479881	0.86934132	0.932486
03/02/2003	200.082986	0.95401507	0.08951620	28.257524	162.319718	15.484369	0.86861527	0.931823
03/09/2032	237.299836	0.95539284	0.08763758	28.096058	162.099532	15.506230	0.87166452	0.933842
03/17/2061	254.407563	0.95600391	0.08705573	28.399791	161.912003	15.511484	0.87277829	0.934738
03/25/2090	285.127717	0.95471784	0.08748699	27.436232	161.690166	15.528430	0.87119245	0.932853
04/03/2119	336.709290	0.95391583	0.08823369	27.170139	161.493525	15.534312	0.86974832	0.931678
04/10/2148	31.840314	0.95348739	0.08845756	26.530389	161.252283	15.546317	0.86914422	0.931050
04/18/2177	103.626383	0.95310126	0.08880169	26.183861	161.034003	15.557559	0.86846426	0.930485

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