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

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1535051187787669 7.0047e-08  
a 5.261012233505227 1.4451e-07 AU
q 4.453419925704461 3.4306e-07 AU
i 14.68524964008068 7.0848e-06 deg
node 138.3618572527512 3.4492e-05 deg
peri 182.8909503357419 4.5478e-05 deg
M 121.5640730464136 2.9046e-05 deg
tp 2455512.149778448648
(2010-Nov-11.64977845)
0.00035593 JED
period 4407.602232560225
12.07
0.00018161
4.972e-07
d
yr
n .08167706181392151 3.3653e-09 deg/d
Q 6.068604541305992 1.667e-07 AU
  Orbit Determination Parameters
   # obs. used (total)      820  
   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      .55196  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 13:47:41  

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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