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11431 Karelbosscha (4843 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2011431
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .123880445332756 9.8252e-08  
a 3.151477493148373 4.0917e-08 AU
q 2.761071057840995 3.189e-07 AU
i 5.863562500670286 9.4478e-06 deg
node 35.80842630422844 7.4457e-05 deg
peri 167.6557112495438 8.0225e-05 deg
M 290.8115237586973 3.4456e-05 deg
tp 2457393.236266313511
(2016-Jan-05.73626631)
0.00019926 JED
period 2043.476942312867
5.59
3.9797e-05
1.09e-07
d
yr
n .1761703264400632 3.4309e-09 deg/d
Q 3.54188392845575 4.5986e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      420  
   data-arc span      15987 days (43.77 yr)  
   first obs. used      1971-04-16  
   last obs. used      2015-01-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5879  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 13:32:11  

Additional Information
 Earth MOID = 1.75915 AU 
 T_jup = 3.188 
[ 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 MPO313511  

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 | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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