Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07865382358090867 4.514e-08  
a 2.876600769139559 1.6863e-08 au
q 2.650345119730949 1.3252e-07 au
i 1.01931850410781 4.7808e-06 deg
node 241.8275016218837 0.00028419 deg
peri 151.5316210937256 0.00028604 deg
M 232.105804456116 3.5207e-05 deg
tp 2459633.591013636677
(2022-Feb-23.09101364)
0.00017709 TDB
period 1782.041506574868
4.88
1.5669e-05
4.29e-08
d
yr
n .2020154966490818 1.7763e-09 deg/d
Q 3.102856418548168 1.8189e-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 = 1.65639 au 
 Jupiter MOID = 2.24813 au 
 T_jup = 3.291 
[ 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 14.6   n/a MPO468048  

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-04 09:44 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin