Asteroid General Data

2021 RD₁

General information

Preliminary designation	2021 RD₁
Group	Amor
Absolute magnitude	24.30
Approximate diameter (m)	37
Approximate mass (kg)	9.03·10⁷
Number of observations	12
Arc length (days)	3

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	192.860635
a – orbit major semiaxis (astronomical units)	1.56846100
e – orbit eccentricity	0.34885800
ω – orbit ascending node-perihelion angle (degrees)	26.261256
Ω – longitude of orbit ascending node (degrees)	340.955014
i – orbit inclination to the ecliptic plane (degrees)	11.558877

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	354.023698	1.56782507	0.34749500	24.025498	342.292840	11.663639	1.02301369	1.963121
01/21/1858	272.694783	1.56898057	0.34807925	24.365128	342.079132	11.641278	1.02285100	1.965291
01/29/1887	188.386403	1.56910970	0.34830426	24.621281	341.924931	11.631350	1.02258210	1.965534
02/07/1916	101.268007	1.56993811	0.34889298	24.998154	341.685279	11.606518	1.02219773	1.967091
02/14/1945	11.665623	1.56993948	0.34913042	25.255591	341.533261	11.596421	1.02182586	1.967093
02/22/1974	283.583185	1.56861356	0.34865541	25.703324	341.295860	11.580507	1.02170796	1.964602
03/02/2003	200.021894	1.56870001	0.34881637	25.949224	341.137247	11.570788	1.02151177	1.964764
03/09/2032	116.230148	1.56855578	0.34864191	26.340278	340.914664	11.553412	1.02169150	1.964493
03/17/2061	33.937251	1.56861188	0.34868469	26.610171	340.760115	11.541871	1.02166093	1.964599
03/25/2090	312.338009	1.56803001	0.34873160	27.065313	340.522337	11.518303	1.02120839	1.963506
04/03/2119	232.729266	1.56810464	0.34886978	27.315141	340.373782	11.508052	1.02104032	1.963646
04/10/2148	152.933689	1.56794470	0.34917728	27.654678	340.162059	11.496502	1.02045404	1.963345
04/18/2177	73.944791	1.56781075	0.34922025	27.923728	339.986976	11.483837	1.02029948	1.963094

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