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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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06886600390242369 5.7765e-08  
a 2.194905809312781 9.3952e-09 AU
q 2.043751417283195 1.286e-07 AU
i 4.706285920847455 6.7044e-06 deg
node 16.34524206780517 5.5531e-05 deg
peri 19.48120323317451 7.1588e-05 deg
M 210.070254860366 4.4477e-05 deg
tp 2457495.160874337751
(2016-Apr-16.66087434)
0.00014772 JED
period 1187.742396251933
3.25
7.6261e-06
2.088e-08
d
yr
n .3030960258184134 1.9461e-09 deg/d
Q 2.346060201342367 1.0042e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1057  
   data-arc span      20053 days (54.90 yr)  
   first obs. used      1960-09-24  
   last obs. used      2015-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49566  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:33:52  

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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