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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 ]

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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09485434585578283 1.6932e-08  
a 2.25009055735398 5.1974e-09 au
q 2.036659689419894 3.8594e-08 au
i 3.691209331236743 7.1647e-07 deg
node 272.7767299956209 1.2118e-05 deg
peri 172.7946997885782 1.7523e-05 deg
M 102.4563348703751 1.0765e-05 deg
tp 2459045.639290097970
(2020-Jul-15.13929010)
3.6573e-05 TDB
period 1232.816455171216
3.38
4.2715e-06
1.169e-08
d
yr
n .2920142722705648 1.0118e-09 deg/d
Q 2.463521425288065 5.6904e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2562  
   data-arc span      12585 days (34.46 yr)  
   first obs. used      1987-01-22  
   last obs. used      2021-07-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47397  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 13:16:15  

Additional Information
 Earth MOID = 1.05294 au 
 Jupiter MOID = 2.69079 au 
 T_jup = 3.619 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.12   n/a MPO636245  
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
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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