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12160 Karelwakker (1152 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2012160
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1986436820121448 5.21e-08  
a 2.40758816685946 1.8392e-08 AU
q 1.929335988625626 1.2746e-07 AU
i 4.874417053253359 7.7684e-06 deg
node 13.23887835570718 6.9751e-05 deg
peri 275.7184704469933 7.3675e-05 deg
M 59.25861650212729 2.8068e-05 deg
tp 2456775.894320338542
(2014-Apr-28.39432034)
0.00010499 JED
period 1364.494303967121
3.74
1.5635e-05
4.281e-08
d
yr
n .2638340071873796 3.0231e-09 deg/d
Q 2.885840345093293 2.2045e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      761  
   data-arc span      14927 days (40.87 yr)  
   first obs. used      1973-09-19  
   last obs. used      2014-08-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50777  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:20:01  

Additional Information
 Earth MOID = .921933 AU 
 T_jup = 3.490 
[ 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 14.3 mag n/a MPO263458  

12160 Karelwakker           Discovered 1973 Sept. 29 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Karel F. Wakker (b. 1944), professor of astrodynamics at Delft Techical University, has made important contributions to Dutch, ESA and NASA space projects, as well as inspiring numerous students. The name was suggested by F. Israel.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20100330/MPCPages.arcLast Updated: 2010-04-05

[ show close-approach data ]
Alternate Designations
 1152 T-2 = 1992 UU8 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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