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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09482357992638904 1.735e-08  
a 2.250383171536896 5.3124e-09 au
q 2.036993783005666 3.9756e-08 au
i 3.691287599103401 7.187e-07 deg
node 272.7821875828841 1.214e-05 deg
peri 172.8747882840472 1.767e-05 deg
M 45.14774696210446 1.1035e-05 deg
tp 2459045.861824988070
(2020-Jul-15.36182499)
3.765e-05 TDB
period 1233.056946363731
3.38
4.3663e-06
1.195e-08
d
yr
n .2919573188096749 1.0338e-09 deg/d
Q 2.463772560068126 5.8162e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2375  
   data-arc span      12471 days (34.14 yr)  
   first obs. used      1987-01-22  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48225  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 22:59:04  

Additional Information
 Earth MOID = 1.05296 au 
 Jupiter MOID = 2.69032 au 
 T_jup = 3.619 
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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 14.09   n/a E2021B10  
rotation period rot_per 3.68578 h n/a LCDB (Rev. 2020-October); 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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