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175718 Wuzhengyi (1997 CG19)
Classification: Main-belt Asteroid          SPK-ID: 2175718
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

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Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB
Reference: MPO229805 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 0.1453567 n/a  
a 2.3668784 n/a AU
q 2.0228368 n/a AU
i 2.28596 n/a deg
node 359.48503 n/a deg
peri 131.71154 n/a deg
M 171.01237 n/a deg
tp 2455768.6887033
(2011-Jul-26.18870330)
n/a JED
period 1330.0328322
3.64
n/a
n/a
d
yr
n 0.27067001 n/a deg/d
Q 2.7109200 n/a AU
  Orbit Determination Parameters
   # obs. used (total)      177  
   first obs. used      1995-??-??  
   last obs. used      2012-04-12  
   # oppositions      8  
   planetary ephem.      DE403  
   condition code      0  
   fit RMS      0.53  
   data source      MPC:mpu  
   producer      MPCLINUX  

Additional Information
 T_jup = 3.532 

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8 mag n/a MPO229805  

175718 Wuzhengyi           Discovered 1997 Feb. 2 by the Beijing Schmidt CCD Asteroid Program at Xinglong.
Wu Zhengyi (b. 1916), botanist-academician of the Chinese Academy of Sciences, has made pioneering achievements in plant taxonomy, floristics and the study on Chinese plant resources. He was awarded the International COSMOS Prize in 1999 and China's State Supreme Science and Technology Prize in 2007.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20111210/MPCPages.arcLast Updated: 2011-12-12

Alternate Designations
 1997 CG19 = 1999 VR18 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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