Asteroid General Data

2021 RU₁

General information

Preliminary designation	2021 RU₁
Group	Apollo
Absolute magnitude	26.89
Approximate diameter (m)	11
Approximate mass (kg)	2.52·10⁶
Number of observations	51
Arc length (days)	7

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	267.487709
a – orbit major semiaxis (astronomical units)	1.48800000
e – orbit eccentricity	0.31738300
ω – orbit ascending node-perihelion angle (degrees)	188.452511
Ω – longitude of orbit ascending node (degrees)	174.933587
i – orbit inclination to the ecliptic plane (degrees)	4.043892

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	96.949600	1.48649168	0.31618219	184.011311	177.010942	4.052272	1.01648949	1.812359
01/21/1858	99.781768	1.48913540	0.31735405	184.435534	176.763708	4.043986	1.01655225	1.817197
01/29/1887	80.679082	1.49223577	0.31894905	185.362728	176.380489	4.010446	1.01628859	1.822875
02/07/1916	48.895548	1.49306429	0.31931964	186.298882	176.062076	3.997197	1.01629954	1.824393
02/14/1945	12.564990	1.49518100	0.32032450	186.717407	175.791498	3.994647	1.01623789	1.828274
02/22/1974	335.146803	1.49350874	0.31950420	187.075678	175.605698	4.002958	1.01632643	1.825208
03/02/2003	295.625316	1.49247920	0.31915374	187.758806	175.208068	4.012556	1.01614888	1.823321
03/09/2032	273.334889	1.48823102	0.31735019	188.511150	174.911007	4.044216	1.01594062	1.815541
03/17/2061	269.035520	1.48817852	0.31727795	188.794180	174.732004	4.049210	1.01601228	1.815445
03/25/2090	249.347787	1.49189949	0.31893422	189.433176	174.365427	4.015948	1.01608169	1.822258
04/03/2119	229.430049	1.48981197	0.31808289	189.884175	174.115373	4.028254	1.01592827	1.818435
04/10/2148	228.430396	1.48725011	0.31709624	190.322234	173.902221	4.041395	1.01564870	1.813747
04/18/2177	209.698560	1.49165519	0.31900252	190.964405	173.484079	4.017857	1.01581343	1.821811

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