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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1449881388322513 8.5762e-08  
a 3.196682290837509 3.8833e-08 AU
q 2.733201275050961 2.781e-07 AU
i 15.31776814031251 8.7103e-06 deg
node 43.46056999065004 2.8866e-05 deg
peri 314.4811714936955 4.0204e-05 deg
M 140.4831416308878 2.9143e-05 deg
tp 2456185.853211821489
(2012-Sep-15.35321182)
0.00016506 JED
period 2087.601688997126
5.72
3.804e-05
1.041e-07
d
yr
n .1724466893744191 3.1423e-09 deg/d
Q 3.660163306624057 4.4463e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      543  
   data-arc span      5795 days (15.87 yr)  
   first obs. used      1999-04-17  
   last obs. used      2015-02-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5769  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 18:43:43  

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

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