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JPL Small-Body Database Browser
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27197 Andrewliu (1999 CW65)
Classification: Main-belt Asteroid          SPK-ID: 2027197
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07947518257035653 4.5059e-08  
a 2.874143381589977 1.7186e-08 au
q 2.645720311604732 1.3204e-07 au
i 1.019748905125293 4.7832e-06 deg
node 241.8303193989411 0.00028409 deg
peri 151.8767509143357 0.0002859 deg
M 150.8657587673194 3.4569e-05 deg
tp 2457854.653850033961
(2017-Apr-11.15385003)
0.00016795 TDB
period 1779.758483181657
4.87
1.5963e-05
4.37e-08
d
yr
n .2022746363632618 1.8142e-09 deg/d
Q 3.102566451575222 1.8551e-08 au
  Orbit Determination Parameters
   # obs. used (total)      989  
   data-arc span      9697 days (26.55 yr)  
   first obs. used      1992-10-22  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58732  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:27:13  

Additional Information
 Earth MOID = 1.6512 au 
 Jupiter MOID = 2.25046 au 
 T_jup = 3.292 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.5   n/a MPO431813  

27197 Andrewliu           Discovered 1999 Feb. 12 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Andrew Bo Liu (b. 1994) was a finalist in the 2010 Intel Science Talent Search, a science competition for high-school seniors, for his bioinformatics and genomics project. He attends the Henry M. Gunn Senior High School, Palo Alto, California, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20110319/MPCPages.arcLast Updated: 2011-03-23

[ show close-approach data ]
Alternate Designations
 1999 CW65 = 1997 WQ24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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