Asteroid General Data

2021 UO₁

General information

Preliminary designation	2021 UO₁
Group	Aten
Absolute magnitude	28.00
Approximate diameter (m)	7
Approximate mass (kg)	5.44·10⁵
Number of observations	33
Arc length (days)	3

Approaches

Date	Object	r, AU	r, km
10/25/2029 05:28:19 AM	Moon	0.000580	86 706

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	247.143510
a – orbit major semiaxis (astronomical units)	0.92451810
e – orbit eccentricity	0.57975905
ω – orbit ascending node-perihelion angle (degrees)	228.504381
Ω – longitude of orbit ascending node (degrees)	31.750550
i – orbit inclination to the ecliptic plane (degrees)	7.060490

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	265.602782	0.94485881	0.57620727	229.451098	32.889143	6.882804	0.40042429	0.918440
01/21/1858	134.994122	0.94232161	0.57665744	229.423989	32.661344	6.932297	0.39892484	0.914744
01/29/1887	35.477298	0.94260749	0.57665177	229.719926	32.357346	6.920656	0.39905121	0.915160
02/07/1916	305.580308	0.94064781	0.57698843	229.013155	32.865386	6.726248	0.39790491	0.912307
02/14/1945	262.475190	0.93756260	0.57729420	229.056262	32.541760	6.759125	0.39631315	0.907823
02/22/1974	244.411496	0.93789275	0.57750238	229.287187	32.278313	6.749524	0.39625746	0.908302
03/02/2003	229.309333	0.93755651	0.57751965	229.585565	31.965235	6.738128	0.39609921	0.907814
03/09/2032	319.828535	0.91549543	0.58170723	227.654753	31.704165	7.176546	0.38294512	0.875961
03/17/2061	356.852074	0.91701368	0.58171493	228.009718	31.447554	7.161919	0.38357313	0.878141
03/25/2090	30.299095	0.91568296	0.58175182	228.188469	31.140118	7.154639	0.38298274	0.876230
04/03/2119	41.872901	0.91803627	0.58176789	228.579493	30.861218	7.138326	0.38395225	0.879610
04/10/2148	30.598924	0.91858597	0.58170502	228.856587	30.614074	7.123780	0.38423990	0.880401
04/18/2177	30.418117	0.91684180	0.58148102	229.259099	30.160524	7.129033	0.38371570	0.877894

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