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171448 Guchaohao (2007 RD147)
Classification: Main-belt Asteroid          SPK-ID: 2171448
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB
Reference: MPO257771 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 0.2403542 n/a  
a 2.2907177 n/a AU
q 1.7401341 n/a AU
i 2.83825 n/a deg
node 102.12479 n/a deg
peri 201.34429 n/a deg
M 252.20018 n/a deg
tp 2456779.7026087
(2014-May-02.20260870)		 n/a JED
period 1266.3559100
3.47		 n/a
n/a		 d
yr
n 0.28428027 n/a deg/d
Q 2.8413013 n/a AU
   Orbit Determination Parameters
   # obs. used (total)      123  
   first obs. used      2000-??-??  
   last obs. used      2013-03-02  
   # oppositions      7  
   planetary ephem.      DE403  
   condition code      0  
   fit RMS      0.49  
   data source      MPC:mpu  
   producer      MPCLINUX  

Additional Information
 T_jup = 3.558 

[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.6 mag n/a MPO257771  

171448 Guchaohao           Discovered 2007 Sept. 11 at the XuYi Station of the Purple Mountain Observatory.
Gu Chaohao (b. 1926) is a mathematician who has made contributions to both pure and applied mathematics. Elected a member of the Chinese Academy of Sciences in 1980, he has achieved important results in the problem of supersonic flow around wings and the study of equations of fixed type in higher dimensions.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20090806/MPCPages.arcLast Updated: 2011-05-09

Alternate Designations
 2007 RD147 = 2000 QD200 
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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