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11842 Kap'bos (1987 BR1)
Classification: Main-belt Asteroid          SPK-ID: 2011842
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09440488589059139 5.4669e-08  
a 2.249927387981153 1.1768e-08 AU
q 2.037523249656676 1.2063e-07 AU
i 3.688654578414966 5.9029e-06 deg
node 272.8436514546611 7.8558e-05 deg
peri 172.3465085544757 8.6098e-05 deg
M 123.3354073087081 3.3572e-05 deg
tp 2456578.185053682637
(2013-Oct-12.68505368)
0.00011433 JED
period 1232.682357741048
3.37
9.6708e-06
2.648e-08
d
yr
n .2920460390620971 2.2912e-09 deg/d
Q 2.46233152630563 1.2879e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1120  
   data-arc span      10245 days (28.05 yr)  
   first obs. used      1987-01-22  
   last obs. used      2015-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50714  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 14:28:33  

Additional Information
 Earth MOID = 1.05347 AU 
 T_jup = 3.619 
[ 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 14.0 mag n/a MPO296233  
rotation period rot_per 3.68578 h n/a LCDB (Rev. 2015-Feb); Warner et al., 2009 Published Reference List:
[Pravec, P.; Vokrouhlicky, D.; Polishook, D.; Scheeres, D.J.; et al. (2010) Nature 466, 1085-1088. Lightcurve plots as supplemental data, http://www.Nature.com/nature]

11842 Kap'bos           Discovered 1987 Jan. 22 by E. W. Elst at the European Southern Observatory
Kap'bos is a small village, about 20 km east of the city of Antwerp. In 1936 the discoverer was born there. It is currently the site of the Holbach Foundation.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010804/MPCPages.arcLast Updated: 2009-05-11

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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