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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 ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06903104473158694 2.8914e-08  
a 2.194674565565975 6.1279e-09 au
q 2.043173887459115 6.4359e-08 au
i 4.703752295168695 3.4147e-06 deg
node 16.30762065435817 3.8562e-05 deg
peri 19.9301684339717 4.7888e-05 deg
M 215.7294113890037 3.0319e-05 deg
tp 2459872.414487611367
(2022-Oct-19.91448761)
0.00010086 TDB
period 1187.554699745873
3.25
4.9738e-06
1.362e-08
d
yr
n .3031439310349552 1.2696e-09 deg/d
Q 2.346175243672836 6.5509e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1742  
   data-arc span      22190 days (60.75 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-06-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47694  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 02:47:45  

Additional Information
 Earth MOID = 1.04925 au 
 Jupiter MOID = 2.88544 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 14.63   n/a MPO614063  
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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