Asteroid General Data

2009 UN₃ (484976)

General information

Preliminary designation	2009 UN₃
Number	484976
Group	Apollo
Absolute magnitude	18.52
Approximate diameter (m)	530
Approximate mass (kg)	2.65·10¹¹
Number of observations	365
Arc length (days)	5159

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	249.129530
a – orbit major semiaxis (astronomical units)	2.32775000
e – orbit eccentricity	0.57560100
ω – orbit ascending node-perihelion angle (degrees)	338.790641
Ω – longitude of orbit ascending node (degrees)	141.944339
i – orbit inclination to the ecliptic plane (degrees)	37.438503

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	33.012802	2.33201726	0.59032070	336.140498	143.730417	36.417006	0.95537919	3.561215
01/21/1858	94.065542	2.33218775	0.58764576	336.576192	143.413500	36.596717	0.96168750	3.561606
01/29/1887	153.877425	2.32724001	0.58876694	336.900167	143.179553	36.803284	0.95703804	3.550278
02/07/1916	211.354248	2.32738063	0.58598280	337.334967	142.894283	36.972140	0.96357560	3.550600
02/14/1945	267.274984	2.32908808	0.58310658	337.843662	142.607408	37.122704	0.97098150	3.554508
02/22/1974	322.828394	2.32978271	0.57973240	338.288601	142.323043	37.260118	0.97913219	3.556098
03/02/2003	22.672054	2.33147746	0.57521507	338.564607	142.130491	37.290919	0.99037649	3.559979
03/09/2032	84.333831	2.32817426	0.57513973	338.804160	141.931070	37.427068	0.98914875	3.552416
03/17/2061	143.225010	2.32904936	0.57216881	339.242371	141.652800	37.566717	0.99643996	3.554419
03/25/2090	200.181468	2.32770586	0.56946645	339.775084	141.383071	37.725234	1.00215546	3.551344
04/03/2119	255.899421	2.32845597	0.56623401	340.249934	141.122664	37.855375	1.01000500	3.553061
04/10/2148	311.439386	2.33323832	0.56096899	340.634903	140.935980	37.858698	1.02436398	3.564013
04/18/2177	6.837063	2.33509512	0.55777497	341.111808	140.672099	37.971410	1.03263751	3.568268

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