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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06880509337925693 3.255e-08  
a 2.195162828534855 6.9883e-09 au
q 2.044124445134841 7.0885e-08 au
i 4.703204738285555 4.1872e-06 deg
node 16.31019234412644 4.8949e-05 deg
peri 20.07054590916937 6.0222e-05 deg
M 95.5535480048235 3.5041e-05 deg
tp 2458685.186290619002
(2019-Jul-20.68629062)
0.00011555 TDB
period 1187.951025862789
3.25
5.6728e-06
1.553e-08
d
yr
n .3030427956729427 1.4471e-09 deg/d
Q 2.34620121193487 7.4691e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1549  
   data-arc span      21782 days (59.64 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-05-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48398  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:57:25  

Additional Information
 Earth MOID = 1.05094 au 
 Jupiter MOID = 2.88581 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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