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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06869984461339654 5.3912e-08  
a 2.195172430242645 9.2945e-09 au
q 2.044364425385363 1.2077e-07 au
i 4.706299567030321 6.4664e-06 deg
node 16.33902231778706 5.4995e-05 deg
peri 19.37753828592112 7.1086e-05 deg
M 331.3892138190244 4.4676e-05 deg
tp 2457494.912321646839
(2016-Apr-16.41232165)
0.00014762 JED
period 1187.958820071226
3.25
7.5448e-06
2.066e-08
d
yr
n .3030408074064518 1.9246e-09 deg/d
Q 2.345980435099926 9.933e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1092  
   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      .50003  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:18:41  

Additional Information
 Earth MOID = 1.04943 au 
 Jupiter MOID = 2.89168 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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