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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1474183933574549 7.8462e-08  
a 3.18982477314675 3.6748e-08 au
q 2.719585929997649 2.5792e-07 au
i 15.34563440046347 7.9949e-06 deg
node 43.33096970879129 2.6117e-05 deg
peri 314.7099319859556 3.5419e-05 deg
M 244.0219681700336 2.79e-05 deg
tp 2458270.881313985360
(2018-Jun-01.38131399)
0.0001675 JED
period 2080.887813207164
5.70
3.5959e-05
9.845e-08
d
yr
n .1730030796062719 2.9896e-09 deg/d
Q 3.660063616295852 4.2166e-08 au
  Orbit Determination Parameters
   # obs. used (total)      625  
   data-arc span      6210 days (17.00 yr)  
   first obs. used      1999-04-17  
   last obs. used      2016-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58116  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 16:06:08  

Additional Information
 Earth MOID = 1.74115 au 
 Jupiter MOID = 1.87644 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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