Asteroid General Data

2011 UG₂₀

General information

Preliminary designation	2011 UG₂₀
Group	Apollo
Absolute magnitude	21.44
Approximate diameter (m)	140
Approximate mass (kg)	4.70·10⁹
Number of observations	104
Arc length (days)	2189

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	133.785167
a – orbit major semiaxis (astronomical units)	1.12423900
e – orbit eccentricity	0.68676000
ω – orbit ascending node-perihelion angle (degrees)	305.087550
Ω – longitude of orbit ascending node (degrees)	205.684909
i – orbit inclination to the ecliptic plane (degrees)	18.987668

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	209.829885	1.12424776	0.68780021	303.201325	207.615416	18.706398	0.35098991	1.192048
01/21/1858	335.006153	1.12447735	0.68759616	303.500754	207.312277	18.753742	0.35129104	1.192413
01/29/1887	99.455445	1.12417099	0.68752690	303.767206	207.043903	18.793489	0.35127319	1.191926
02/07/1916	221.991338	1.12442548	0.68734961	304.057261	206.741305	18.838801	0.35155207	1.192330
02/14/1945	343.984946	1.12444796	0.68721003	304.300958	206.477266	18.876893	0.35171604	1.192366
02/22/1974	104.084513	1.12468996	0.68714081	304.557624	206.201687	18.911177	0.35186959	1.192751
03/02/2003	224.412848	1.12436790	0.68688117	304.845366	205.913582	18.958014	0.35206076	1.192239
03/09/2032	347.435271	1.12429727	0.68669282	305.106020	205.661567	18.991608	0.35225041	1.192127
03/17/2061	110.255669	1.12429618	0.68651379	305.408717	205.359946	19.036122	0.35245135	1.192125
03/25/2090	232.058609	1.12434131	0.68634244	305.660893	205.107743	19.075168	0.35265815	1.192197
04/03/2119	355.302639	1.12421337	0.68609066	305.951628	204.814645	19.123400	0.35290108	1.191993
04/10/2148	120.135203	1.12413781	0.68601234	306.210350	204.559322	19.162722	0.35296540	1.191873
04/18/2177	243.837376	1.12447498	0.68580576	306.476499	204.266894	19.206842	0.35330356	1.192409

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