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11842 Kap'bos (1987 BR1)
Classification: Main-belt Asteroid          SPK-ID: 2011842
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09450580512501942 3.4653e-08  
a 2.250029123930705 6.8674e-09 au
q 2.037388310018892 8.0359e-08 au
i 3.691463488595793 3.4773e-06 deg
node 272.78221574 6.0571e-05 deg
peri 172.9488756483077 6.4688e-05 deg
M 229.8621214966512 2.2765e-05 deg
tp 2459046.137632248140
(2020-Jul-15.63763225)		 7.8636e-05 TDB
period 1232.765966791152
3.38		 5.6439e-06
1.545e-08		 d
yr
n .2920262318216553 1.337e-09 deg/d
Q 2.462669937842519 7.5164e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1932  
   data-arc span      11997 days (32.85 yr)  
   first obs. used      1987-01-22  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49711  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 22:40:27  

Additional Information
 Earth MOID = 1.05365 au 
 Jupiter MOID = 2.69261 au 
 T_jup = 3.619 
[ 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 14.0   n/a MPO296233  
rotation period rot_per 3.68578 h n/a LCDB (Rev. 2019-January); 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]
[Pravec, P.; Fatka, P.; Vokrouhlicky, D.; Scheeres, D.J.; et al. (2018) Icarus 304, 110-126.]

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

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