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13231 Blondelet (1998 BL14)
Classification: Outer Main-belt Asteroid          SPK-ID: 2013231
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1507727368717241 5.906e-08  
a 3.23443820207615 3.9388e-08 AU
q 2.74677310210667 2.0769e-07 AU
i .4234824055298391 7.6839e-06 deg
node 167.9786762044234 0.00078856 deg
peri 260.1932555636749 0.00078921 deg
M 321.0357514469194 2.7483e-05 deg
tp 2457230.464351447301
(2015-Jul-26.96435145)
0.000164 JED
period 2124.695575952105
5.82
3.8811e-05
1.063e-07
d
yr
n .1694360378374107 3.095e-09 deg/d
Q 3.72210330204563 4.5327e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      740  
   data-arc span      10574 days (28.95 yr)  
   first obs. used      1985-10-18  
   last obs. used      2014-09-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54102  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:24:42  

Additional Information
 Earth MOID = 1.76051 AU 
 T_jup = 3.168 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.7 mag n/a PDS3 (MPC 37548)  

13231 Blondelet           Discovered 1998 Jan. 17 by the OCA-DLR Asteroid Survey at Caussols.
Jacques Blondelet (1934-1998) was a former president of the Société Lorraine d´Astronomie and vice president of the Observatoire Provençal d´Astrophotographie. A physician by profession, he has published many papers on cosmology in magazines such as the Echo d´Orion.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020427/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Alternate Designations
 1998 BL14 = 1985 UX5 = 1991 UG2 = 1993 BP5 = 1996 NW2 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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