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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09472066695955644 3.4224e-08  
a 2.250168265031429 6.7559e-09 au
q 2.037030826196424 7.9573e-08 au
i 3.691534769106985 3.3024e-06 deg
node 272.782945869132 6.0343e-05 deg
peri 172.9163081827378 6.4448e-05 deg
M 346.7203257547952 2.2816e-05 deg
tp 2459045.978469512090
(2020-Jul-15.47846951)
7.8206e-05 TDB
period 1232.880319354538
3.38
5.5524e-06
1.52e-08
d
yr
n .2919991456984846 1.315e-09 deg/d
Q 2.463305703866434 7.3958e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2042  
   data-arc span      12064 days (33.03 yr)  
   first obs. used      1987-01-22  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49602  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 20:10:22  

Additional Information
 Earth MOID = 1.05333 au 
 Jupiter MOID = 2.69094 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-August); 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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