Asteroid General Data

2021 RU₂

General information

Preliminary designation	2021 RU₂
Group	Aten
Absolute magnitude	23.25
Approximate diameter (m)	59
Approximate mass (kg)	3.85·10⁸
Number of observations	18
Arc length (days)	1

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	95.780842
a – orbit major semiaxis (astronomical units)	0.91463000
e – orbit eccentricity	0.36726700
ω – orbit ascending node-perihelion angle (degrees)	263.026792
Ω – longitude of orbit ascending node (degrees)	258.636013
i – orbit inclination to the ecliptic plane (degrees)	6.736053

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	12.682412	0.91330768	0.36619736	260.475549	261.552884	6.749063	0.57885682	0.872823
01/21/1858	101.025795	0.91362844	0.36618600	260.944533	261.154724	6.719087	0.57907049	0.873283
01/29/1887	186.138039	0.91298425	0.36630720	261.393801	260.629233	6.723793	0.57855154	0.872360
02/07/1916	274.222500	0.91395074	0.36643187	261.683635	260.272212	6.708733	0.57905006	0.873745
02/14/1945	345.528861	0.91457365	0.36680459	262.081952	259.617033	6.708179	0.57910383	0.874639
02/22/1974	56.976505	0.91411839	0.36716621	262.492210	259.161777	6.727447	0.57848500	0.873986
03/02/2003	124.792388	0.91457501	0.36727077	262.823142	258.853209	6.736206	0.57867834	0.874641
03/09/2032	190.953309	0.91402187	0.36709442	263.158465	258.580649	6.729567	0.57848954	0.873847
03/17/2061	262.994185	0.91476901	0.36681640	263.552186	258.195850	6.716994	0.57921674	0.874919
03/25/2090	316.660307	0.91574877	0.36666846	264.105822	257.618830	6.672451	0.57997258	0.876325
04/03/2119	353.932840	0.91608899	0.36677934	264.509819	257.286056	6.651973	0.58008648	0.876813
04/10/2148	44.854013	0.91431388	0.36673974	264.994048	256.740265	6.673724	0.57899864	0.874266
04/18/2177	129.173622	0.91328074	0.36678755	265.503190	256.278513	6.689284	0.57830073	0.872785

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