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JPL Small-Body Database Browser
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11764 Benbaillaud (6531 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2011764
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06860160023420926 3.3575e-08  
a 2.194932481004444 7.2816e-09 au
q 2.044356600401496 7.3665e-08 au
i 4.703543056975876 4.4814e-06 deg
node 16.31891103090249 5.0241e-05 deg
peri 20.13607851539386 6.2486e-05 deg
M 334.2737200458254 3.7501e-05 deg
tp 2458685.379862118392
(2019-Jul-20.87986212)		 0.00012379 TDB
period 1187.764045833708
3.25		 5.9106e-06
1.618e-08		 d
yr
n .3030905012344527 1.5082e-09 deg/d
Q 2.345508361607392 7.7812e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1419  
   data-arc span      21614 days (59.18 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49434  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 22:39:31  

Additional Information
 Earth MOID = 1.05051 au 
 Jupiter MOID = 2.88711 au 
 T_jup = 3.662 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.6   n/a MPO452336  
diameter diameter 3.133 km 0.140 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.260   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

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 | Mission Design | Physical Parameters | Discovery Circumstances ]
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