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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1469463957930885 8.6141e-08  
a 3.191272194901255 3.7638e-08 au
q 2.722326247865817 2.7941e-07 au
i 15.34075843386151 8.1292e-06 deg
node 43.33491901921435 2.8362e-05 deg
peri 314.6148497253439 3.8063e-05 deg
M 209.5093583272193 2.8093e-05 deg
tp 2458270.964757451664
(2018-Jun-01.46475745)
0.00016987 JED
period 2082.304316064842
5.70
3.6838e-05
1.009e-07
d
yr
n .1728853929863294 3.0585e-09 deg/d
Q 3.660218141936693 4.3169e-08 au
  Orbit Determination Parameters
   # obs. used (total)      570  
   data-arc span      5837 days (15.98 yr)  
   first obs. used      1999-04-17  
   last obs. used      2015-04-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58631  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 20:03:56  

Additional Information
 Earth MOID = 1.74331 au 
 Jupiter MOID = 1.87728 au 
 T_jup = 3.125 
[ 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 14.0 mag n/a MPO338045  

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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