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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06351501271227945 9.4401e-08  
a 2.612041023637366 2.5168e-08 AU
q 2.446137204816043 2.5479e-07 AU
i 3.777820194362329 7.0477e-06 deg
node 33.87175743740303 0.00010101 deg
peri 317.1469085954025 0.00011276 deg
M 97.80396608546803 4.6509e-05 deg
tp 2456581.588403613506
(2013-Oct-16.08840361)
0.00020005 JED
period 1541.943345808194
4.22
2.2286e-05
6.102e-08
d
yr
n .2334716129348512 3.3744e-09 deg/d
Q 2.777944842458689 2.6767e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      493  
   data-arc span      8151 days (22.32 yr)  
   first obs. used      1992-09-22  
   last obs. used      2015-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .62694  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 17:04:51  

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 15.4 mag n/a MPO320282  

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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