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175718 Wuzhengyi (1997 CG19)
Classification: Main-belt Asteroid          SPK-ID: 2175718
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 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1457648499574304 1.2461e-07  
a 2.366668252383086 4.1967e-08 AU
q 2.021691209675451 2.8899e-07 AU
i 2.286226351725309 1.4807e-05 deg
node 359.4771087607353 0.00022241 deg
peri 131.7415997419506 0.00023022 deg
M 333.4412041021145 6.1705e-05 deg
tp 2457098.609346974724
(2015-Mar-17.10934697)
0.00022961 JED
period 1329.855654853406
3.64
3.5372e-05
9.684e-08
d
yr
n .2707060715094556 7.2004e-09 deg/d
Q 2.71164529509072 4.8084e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      199  
   data-arc span      6568 days (17.98 yr)  
   first obs. used      1995-09-21  
   last obs. used      2013-09-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57118  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-11 13:40:58  

Additional Information
 Earth MOID = 1.03736 AU 
 T_jup = 3.532 
[ 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 16.8 mag n/a MPO268144  

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

[ show close-approach data ]
Alternate Designations
 1997 CG19 = 1999 VR18 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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