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11432 Kerkhoven (1052 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2011432
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1394635966742656 4.9482e-08  
a 3.142511530888183 3.9337e-08 AU
q 2.704245570200165 1.5197e-07 AU
i .7095333149105498 8.1052e-06 deg
node 2.139376705887214 0.00045638 deg
peri 282.9530089317095 0.00045774 deg
M 223.2040447991064 3.5683e-05 deg
tp 2457773.686926829381
(2017-Jan-20.18692683)
0.00020774 JED
period 2034.762601348896
5.57
3.8206e-05
1.046e-07
d
yr
n .1769248165664863 3.322e-09 deg/d
Q 3.580777491576202 4.4823e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      694  
   data-arc span      15014 days (41.11 yr)  
   first obs. used      1973-09-19  
   last obs. used      2014-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56518  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 13:14:53  

Additional Information
 Earth MOID = 1.68926 AU 
 T_jup = 3.195 
[ 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 MPO253445  

11432 Kerkhoven           Discovered 1973 Sept. 29 by C. J. van Houten and I. van Houten-Groeneveld at Leiden on Palomar Schmidt plates taken by T. Gehrels.
Rudolf Albert Kerkhoven (1879-1940) was a notable Dutch tea planter in Malabar, West Java, who, with his uncle Karel Albert Rudolf Bosscha, greatly contributed to the establishment of the Lembang Observatory. His legacy continues to support astronomical research in Indonesia and Holland.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070926/MPCPages.arcLast Updated: 2007-09-30

[ show close-approach data ]
Alternate Designations
 1052 T-2 = 1995 SG17 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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