Asteroid General Data

2021 RA₂

General information

Preliminary designation	2021 RA₂
Group	Amor
Absolute magnitude	21.26
Approximate diameter (m)	150
Approximate mass (kg)	6.02·10⁹
Number of observations	73
Arc length (days)	5176

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	27.647223
a – orbit major semiaxis (astronomical units)	1.45219000
e – orbit eccentricity	0.25658200
ω – orbit ascending node-perihelion angle (degrees)	231.952104
Ω – longitude of orbit ascending node (degrees)	25.884017
i – orbit inclination to the ecliptic plane (degrees)	13.405083

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	36.203877	1.45064977	0.25514130	230.550050	27.032446	13.434748	1.08052911	1.747207
01/21/1858	256.327387	1.45034226	0.25523341	230.776828	26.884329	13.427850	1.08016645	1.746652
01/29/1887	116.884609	1.45067331	0.25517045	230.981643	26.721042	13.420302	1.08050435	1.747250
02/07/1916	334.827112	1.45137982	0.25556534	231.192812	26.560061	13.412762	1.08045744	1.748527
02/14/1945	186.360431	1.45254719	0.25636630	231.519932	26.371444	13.400329	1.08016304	1.750637
02/22/1974	30.751719	1.45354645	0.25686901	231.776483	26.207297	13.390528	1.08017541	1.752443
03/02/2003	230.771124	1.45403304	0.25720981	231.996611	26.045808	13.380582	1.08004148	1.753323
03/09/2032	69.750402	1.45381819	0.25730606	232.198211	25.898037	13.375548	1.07974196	1.752935
03/17/2061	270.592156	1.45338220	0.25712533	232.476599	25.730329	13.366681	1.07968083	1.752146
03/25/2090	116.769564	1.45230598	0.25661863	232.729937	25.557380	13.361373	1.07961721	1.750200
04/03/2119	330.275250	1.45115713	0.25635589	233.045627	25.377148	13.354287	1.07914445	1.748124
04/10/2148	189.052949	1.45046116	0.25588337	233.315467	25.205093	13.347120	1.07931227	1.746867
04/18/2177	49.775742	1.45045414	0.25581783	233.511111	25.056705	13.340119	1.07940211	1.746854

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