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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1535051231664892 6.9844e-08  
a 5.261012203268642 1.3885e-07 AU
q 4.453419877025486 3.3745e-07 AU
i 14.68524837807242 6.7413e-06 deg
node 138.36184884383 3.1116e-05 deg
peri 182.8909697525404 4.0583e-05 deg
M 121.564065061416 2.7232e-05 deg
tp 2455512.149889042664
(2010-Nov-11.64988904)
0.00032694 JED
period 4407.602194562546
12.07
0.00017449
4.777e-07
d
yr
n .08167706251805466 3.2335e-09 deg/d
Q 6.068604529511798 1.6017e-07 AU
  Orbit Determination Parameters
   # obs. used (total)      906  
   data-arc span      8036 days (22.00 yr)  
   first obs. used      1993-01-27  
   last obs. used      2015-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52956  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 13:32:34  

Additional Information
 Earth MOID = 3.44161 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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