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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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09472066862103727 3.4186e-08  
a 2.250168264380323 6.7446e-09 au
q 2.03703082186838 7.9475e-08 au
i 3.691534529320843 3.3015e-06 deg
node 272.7829437679449 6.0296e-05 deg
peri 172.916308904593 6.44e-05 deg
M 346.7203275837867 2.2791e-05 deg
tp 2459045.978463228662
(2020-Jul-15.47846323)
7.8122e-05 TDB
period 1232.880318819421
3.38
5.5431e-06
1.518e-08
d
yr
n .2919991458252234 1.3129e-09 deg/d
Q 2.463305706892266 7.3835e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2060  
   data-arc span      12296 days (33.66 yr)  
   first obs. used      1987-01-22  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49669  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 16:27:19  

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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