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110289 Dufu (2001 SM262)
Classification: Main-belt Asteroid          SPK-ID: 2110289
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1439872512602862 8.5645e-08  
a 3.198544853783845 3.9085e-08 AU
q 2.737995172254775 2.7713e-07 AU
i 15.31808384729745 9.6105e-06 deg
node 43.61799575707824 2.9255e-05 deg
peri 314.3740991911479 4.3398e-05 deg
M 106.0480059217669 3.1365e-05 deg
tp 2456185.001355700987
(2012-Sep-14.50135570)
0.00018026 JED
period 2089.426482107613
5.72
3.8298e-05
1.049e-07
d
yr
n .172296083677884 3.1581e-09 deg/d
Q 3.659094535312914 4.4713e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      491  
   data-arc span      5369 days (14.70 yr)  
   first obs. used      1999-04-17  
   last obs. used      2013-12-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58869  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 22:30:34  

Additional Information
 Earth MOID = 1.75948 AU 
 T_jup = 3.123 
[ 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 13.9 mag n/a MPO280514  

110289 Dufu           Discovered 2001 Sept. 23 by W. K. Y. Yeung at the Desert Eagle Observatory.
Du Fu (712-c. 770) was a prominent Chinese poet of the Tang Dynasty. Along with Li Bai, he is frequently called the greatest of the Chinese poets.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20080520/MPCPages.arcLast Updated: 2008-05-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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