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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06354431071421569 1.2136e-07  
a 2.611275863580274 3.3945e-08 AU
q 2.445344138744397 3.3656e-07 AU
i 3.778294745947258 8.261e-06 deg
node 33.87898810868097 0.00010616 deg
peri 316.8632634306781 0.00012038 deg
M 51.3664508440251 5.208e-05 deg
tp 2456580.585119338391
(2013-Oct-15.08511934)
0.00022373 JED
period 1541.265860056755
4.22
3.0053e-05
8.228e-08
d
yr
n .233574238766791 4.5544e-09 deg/d
Q 2.777207588416151 3.6102e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      474  
   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      .66213  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Feb-19 20:06:39  

Additional Information
 Earth MOID = 1.43978 AU 
 T_jup = 3.404 
[ 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 ]
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