Asteroid General Data

2013 UM₉

General information

Preliminary designation	2013 UM₉
Group	Apollo
Absolute magnitude	24.57
Approximate diameter (m)	32
Approximate mass (kg)	6.22·10⁷
Number of observations	68
Arc length (days)	1477

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	273.213916
a – orbit major semiaxis (astronomical units)	1.21597100
e – orbit eccentricity	0.24676500
ω – orbit ascending node-perihelion angle (degrees)	284.044568
Ω – longitude of orbit ascending node (degrees)	38.569643
i – orbit inclination to the ecliptic plane (degrees)	2.962509

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	106.198281	1.21671154	0.24692201	279.147954	43.563115	2.885111	0.91627868	1.342091
01/21/1858	325.387829	1.21725687	0.24720393	279.390076	43.441143	2.883457	0.91634619	1.342994
01/29/1887	197.526113	1.21564224	0.24672216	280.708821	42.074798	2.911285	0.91571636	1.340322
02/07/1916	67.755905	1.21605650	0.24693181	280.884861	41.974448	2.909277	0.91577347	1.341008
02/14/1945	306.207999	1.21418573	0.24613281	281.964823	40.545302	2.931655	0.91533478	1.337914
02/22/1974	181.016925	1.21589778	0.24661769	282.286651	40.399955	2.931279	0.91603588	1.340745
03/02/2003	60.134616	1.21431107	0.24643503	283.220334	39.499396	2.892286	0.91506229	1.338121
03/09/2032	303.158993	1.21614770	0.24671745	284.055145	38.555392	2.962093	0.91610284	1.341158
03/17/2061	173.065335	1.21562334	0.24645356	284.296128	38.432948	2.959562	0.91602864	1.340291
03/25/2090	56.006463	1.21535089	0.24607970	285.433255	37.069468	3.010550	0.91627771	1.339841
04/03/2119	290.684900	1.21568458	0.24622538	285.590218	36.969343	3.008508	0.91635217	1.340392
04/10/2148	174.439008	1.21420479	0.24584092	286.487971	35.969185	2.975348	0.91570357	1.337946
04/18/2177	62.953046	1.21539834	0.24588545	287.529880	34.874592	3.096705	0.91654958	1.339919

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