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11764 Benbaillaud (6531 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2011764
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06859164578824989 5.3871e-08  
a 2.19492701393188 9.3047e-09 au
q 2.044373357661204 1.2066e-07 au
i 4.706327722867955 6.449e-06 deg
node 16.33900360443078 5.4841e-05 deg
peri 19.34161335498671 7.089e-05 deg
M 32.03410490191659 4.4711e-05 deg
tp 2457494.808844760471
(2016-Apr-16.30884476)
0.00014729 JED
period 1187.759608165416
3.25
7.5527e-06
2.068e-08
d
yr
n .3030916336311917 1.9273e-09 deg/d
Q 2.345480670202557 9.9429e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1098  
   data-arc span      20148 days (55.16 yr)  
   first obs. used      1960-09-24  
   last obs. used      2015-11-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49916  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-25 18:46:55  

Additional Information
 Earth MOID = 1.04953 au 
 Jupiter MOID = 2.89154 au 
 T_jup = 3.662 
[ 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 14.7 mag n/a MPO347618  

11764 Benbaillaud           Discovered 1960 Sept. 24 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Benjamin Baillaud (1848-1934) was a director of the Toulouse (1878-1907) and Paris (1907-1926) Observatories. He founded the Pic du Midi Observatory and served as first president of the International Astronomical Union.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070926/MPCPages.arcLast Updated: 2007-09-30

Alternate Designations
 6531 P-L = 3007 T-2 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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