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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06408002023582249 8.6778e-08  
a 2.611827343138995 2.2849e-08 au
q 2.444461394138174 2.3739e-07 au
i 3.780135749470697 6.8978e-06 deg
node 33.79647778862068 8.9897e-05 deg
peri 318.5911840909611 9.9447e-05 deg
M 236.3400684799585 4.2181e-05 deg
tp 2458130.092253631064
(2018-Jan-11.59225363)
0.00018145 JED
period 1541.754139466623
4.22
2.0231e-05
5.539e-08
d
yr
n .2335002649154837 3.0641e-09 deg/d
Q 2.779193292139817 2.4313e-08 au
  Orbit Determination Parameters
   # obs. used (total)      614  
   data-arc span      8605 days (23.56 yr)  
   first obs. used      1992-09-22  
   last obs. used      2016-04-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58157  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 16:07:16  

Additional Information
 Earth MOID = 1.4396 au 
 Jupiter MOID = 2.48555 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 15.5 mag n/a MPO351631  

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 ]
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