Asteroid General Data

2011 UD

General information

Preliminary designation	2011 UD
Group	Apollo
Absolute magnitude	20.58
Approximate diameter (m)	200
Approximate mass (kg)	1.54·10¹⁰
Number of observations	118
Arc length (days)	16

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	25.929571
a – orbit major semiaxis (astronomical units)	2.03819600
e – orbit eccentricity	0.77876800
ω – orbit ascending node-perihelion angle (degrees)	147.053307
Ω – longitude of orbit ascending node (degrees)	357.123534
i – orbit inclination to the ecliptic plane (degrees)	8.850054

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	349.203042	2.03030222	0.78452127	140.243511	2.887683	8.040801	0.43748695	2.892955
01/21/1858	4.312826	2.03099952	0.78439657	140.655618	2.452916	8.087758	0.43789046	2.894445
01/29/1887	6.599931	2.03729797	0.78029535	141.282388	1.942990	8.129678	0.44760384	2.907920
02/07/1916	344.793845	2.04334030	0.77578359	143.720247	359.990443	8.403897	0.45815043	2.920866
02/14/1945	327.213273	2.03635809	0.77987063	145.440543	358.564266	8.651208	0.44826222	2.905908
02/22/1974	332.367554	2.02892882	0.78439030	146.380745	357.715407	8.807959	0.43745673	2.890020
03/02/2003	345.286451	2.03097959	0.78311685	146.610522	357.471554	8.828028	0.44048524	2.894403
03/09/2032	343.249695	2.03865401	0.77849720	147.059695	357.107190	8.847391	0.45156757	2.910824
03/17/2061	316.404907	2.04407063	0.77399702	149.065967	355.596245	9.103732	0.46196606	2.922432
03/25/2090	296.273873	2.03818494	0.77700415	150.575986	354.425307	9.353930	0.45450679	2.909819
04/03/2119	300.685518	2.02949817	0.78194344	151.483477	353.635137	9.542036	0.44254538	2.891236
04/10/2148	313.021320	2.03129102	0.78134288	151.735882	353.388967	9.563503	0.44415625	2.895068
04/18/2177	310.828785	2.04189571	0.77464149	152.315014	352.983184	9.589695	0.46015858	2.917769

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