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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .144988141701547 8.5828e-08  
a 3.196682293540601 4.0078e-08 AU
q 2.73320126818991 2.7821e-07 AU
i 15.31776480819938 9.5524e-06 deg
node 43.46056476709212 2.9268e-05 deg
peri 314.4811721088421 4.2938e-05 deg
M 140.483144688665 3.1007e-05 deg
tp 2456185.853193056475
(2012-Sep-15.35319306)
0.00017747 JED
period 2087.601691645018
5.72
3.926e-05
1.075e-07
d
yr
n .1724466891556895 3.243e-09 deg/d
Q 3.660163318891292 4.5889e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      495  
   data-arc span      5696 days (15.59 yr)  
   first obs. used      1999-04-17  
   last obs. used      2014-11-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59579  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 06:51:31  

Additional Information
 Earth MOID = 1.75597 AU 
 T_jup = 3.124 
[ 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

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