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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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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1213884445211451 4.6186e-08  
a 3.150586877554642 2.678e-08 au
q 2.768142037159552 1.4108e-07 au
i 5.86551832537213 5.0387e-06 deg
node 35.69912449131986 4.8987e-05 deg
peri 167.8932947668783 5.2952e-05 deg
M 283.2032004085038 2.1757e-05 deg
tp 2459436.238804514083
(2021-Aug-09.73880451)
0.00012566 TDB
period 2042.610765806442
5.59
2.6043e-05
7.13e-08
d
yr
n .1762450321061872 2.2471e-09 deg/d
Q 3.533031717949731 3.0031e-08 au
  Orbit Determination Parameters
   # obs. used (total)      824  
   data-arc span      17823 days (48.80 yr)  
   first obs. used      1971-04-16  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52992  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 20:02:33  

Additional Information
 Earth MOID = 1.76476 au 
 Jupiter MOID = 1.42459 au 
 T_jup = 3.188 
[ 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 14.4   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

[ show close-approach data ]
Alternate Designations
 4843 T-1 = 3199 T-2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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