Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
110743 Hirobumi (2001 UQ1)
Classification: Main-belt Asteroid          SPK-ID: 2110743
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06351495313227642 1.1857e-07  
a 2.612041041219744 3.2894e-08 AU
q 2.44613737690709 3.2842e-07 AU
i 3.777821417540476 7.7572e-06 deg
node 33.87174394807578 0.0001052 deg
peri 317.146905609169 0.00011848 deg
M 97.80397758830647 4.858e-05 deg
tp 2456581.588350115108
(2013-Oct-16.08835011)
0.00021041 JED
period 1541.943361377071
4.22
2.9127e-05
7.975e-08
d
yr
n .2334716105775072 4.4103e-09 deg/d
Q 2.777944705532399 3.4983e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      477  
   data-arc span      7791 days (21.33 yr)  
   first obs. used      1992-09-22  
   last obs. used      2014-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .63238  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 22:36:53  

Additional Information
 Earth MOID = 1.44227 AU 
 T_jup = 3.403 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3 mag n/a MPO268019  

110743 Hirobumi           Discovered 2001 Oct. 18 by A. Nakamura at Kuma Kogen.
Hirobumi Ito (1841-1909), born in Yamaguchi prefecture, greatly contributed to the modernization of the Japanese political system. He studied politics in Europe and the U.S. and established a cabinet system of government. He became the first prime minister of Japan in 1885.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20091202/MPCPages.arcLast Updated: 2010-04-12

[ show close-approach data ]
Alternate Designations
 2001 UQ1 = 1992 SV20 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Sep-03 07:01 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin