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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06886605965874674 6.9844e-08  
a 2.194905812733057 9.7079e-09 AU
q 2.043751298088052 1.5359e-07 AU
i 4.706286838671452 7.5689e-06 deg
node 16.34523777910725 5.5766e-05 deg
peri 19.48119026449579 7.2683e-05 deg
M 210.0702677225003 4.5364e-05 deg
tp 2457495.160833058141
(2016-Apr-16.66083306)
0.00015046 JED
period 1187.742399028184
3.25
7.88e-06
2.157e-08
d
yr
n .3030960251099512 2.0109e-09 deg/d
Q 2.346060327378061 1.0376e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      982  
   data-arc span      19631 days (53.75 yr)  
   first obs. used      1960-09-24  
   last obs. used      2014-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5095  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:19:17  

Additional Information
 Earth MOID = 1.05014 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 14.6 mag n/a PDS3 (MPC 35901)  

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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