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JPL Small-Body Database Browser
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11431 Karelbosscha (4843 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2011431
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1216877037749641 4.7661e-08  
a 3.150344717107892 2.7308e-08 au
q 2.766986502383444 1.4467e-07 au
i 5.866742231820933 5.1324e-06 deg
node 35.710924567668 4.9615e-05 deg
peri 167.8651651971626 5.354e-05 deg
M 212.7510750132243 2.1386e-05 deg
tp 2459435.882119884695
(2021-Aug-09.38211988)
0.00012536 TDB
period 2042.375271571588
5.59
2.6556e-05
7.271e-08
d
yr
n .1762653538803295 2.2919e-09 deg/d
Q 3.533702931832341 3.0632e-08 au
  Orbit Determination Parameters
   # obs. used (total)      788  
   data-arc span      17450 days (47.78 yr)  
   first obs. used      1971-04-16  
   last obs. used      2019-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53971  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 19:12:09  

Additional Information
 Earth MOID = 1.76388 au 
 Jupiter MOID = 1.42496 au 
 T_jup = 3.188 
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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 14.4   n/a MPO431631  
diameter diameter 6.810 km 0.173 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.073   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11431 Karelbosscha           Discovered 1971 May 13 by C. J. van Houten and I. van Houten-Groeneveld at Leiden on Palomar Schmidt plates taken by T. Gehrels.
Karel Albert Rudolf Bosscha (1865-1928) was a notable Dutch tea planter in Malabar, West Java, who, with his nephew Rudolf Albert Kerkhoven, greatly contributed to the establishment of an astronomical observatory in Lembang, near Bandung.
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

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Alternate Designations
 4843 T-1 = 3199 T-2 
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