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11552 Boucolion (1993 BD4)
Classification: Jupiter Trojan          SPK-ID: 2011552
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1543533706860349 7.2378e-08  
a 5.257458739261944 1.5132e-07 AU
q 4.445952261614111 3.6372e-07 AU
i 14.68308467807517 7.6651e-06 deg
node 138.3720131522228 3.5787e-05 deg
peri 182.7264551507951 4.738e-05 deg
M 105.3146418984383 3.001e-05 deg
tp 2455512.403230666096
(2010-Nov-11.90323067)
0.00037138 JED
period 4403.137385278255
12.06
0.0001901
5.205e-07
d
yr
n .08175988357838848 3.5298e-09 deg/d
Q 6.068965216909777 1.7468e-07 AU
  Orbit Determination Parameters
   # obs. used (total)      816  
   data-arc span      7727 days (21.16 yr)  
   first obs. used      1993-01-27  
   last obs. used      2014-03-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59078  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 14:00:38  

Additional Information
 Earth MOID = 3.43223 AU 
 T_jup = 2.911 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 10.0 mag n/a MPO247469  

11552 Boucolion           Discovered 1993 Jan. 27 by E. W. Elst at Caussols.
Boucolion was the father of Pedasos and Aesopos. Both sons died near the Scamander river.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030106/MPCPages.arcLast Updated: 2003-10-02

Alternate Designations
 1993 BD4 = 1975 NP1 = 1994 CE20 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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