Asteroid General Data

2021 RB

General information

Preliminary designation	2021 RB
Group	Amor
Absolute magnitude	26.07
Approximate diameter (m)	16
Approximate mass (kg)	7.83·10⁶
Number of observations	64
Arc length (days)	9

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	148.613003
a – orbit major semiaxis (astronomical units)	2.31913000
e – orbit eccentricity	0.55855900
ω – orbit ascending node-perihelion angle (degrees)	40.000419
Ω – longitude of orbit ascending node (degrees)	318.860689
i – orbit inclination to the ecliptic plane (degrees)	2.068567

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	184.794446	2.31675912	0.55812439	29.845071	326.941546	2.384674	1.02371935	3.526322
01/21/1858	260.565736	2.32018793	0.55751512	31.221471	325.940831	2.335115	1.02664809	3.534153
01/29/1887	338.501568	2.31764364	0.55822730	32.583687	324.880083	2.291947	1.02387168	3.528341
02/07/1916	57.048367	2.32047251	0.55619331	33.705802	323.890745	2.259048	1.02984121	3.534803
02/14/1945	134.712202	2.32418396	0.55753045	34.839851	322.957387	2.219594	1.02838063	3.543287
02/22/1974	207.003161	2.32210957	0.55743666	36.345864	321.658356	2.175498	1.02768058	3.538545
03/02/2003	276.664238	2.32233102	0.55958038	38.017191	320.370815	2.129336	1.02280014	3.539051
03/09/2032	346.355019	2.32042438	0.55921235	40.041921	318.751418	2.067032	1.02281441	3.534693
03/17/2061	58.043467	2.32145673	0.55918968	41.801455	317.401480	2.023104	1.02332209	3.537052
03/25/2090	133.020693	2.31903201	0.55962223	43.524909	315.959113	1.982096	1.02125014	3.531512
04/03/2119	208.564438	2.32213820	0.55678518	45.049836	314.657681	1.947578	1.02920607	3.538610
04/10/2148	278.733524	2.32629198	0.55739253	47.415910	312.620274	1.897989	1.02963421	3.548109
04/18/2177	350.513660	2.32216885	0.55849221	48.310917	311.777616	1.883559	1.02525564	3.538680

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