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7333 Bec-Borsenberger (1987 SM4)
Classification: Main-belt Asteroid          SPK-ID: 2007333
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1878513981164229 1.0994e-07  
a 2.577216354719264 2.2619e-08 AU
q 2.093082659236739 2.7556e-07 AU
i 8.844890054342468 7.8252e-06 deg
node 289.8711743434334 5.566e-05 deg
peri 72.61845726346269 5.9385e-05 deg
M 164.9611365240952 2.7062e-05 deg
tp 2456108.025342439020
(2012-Jun-29.52534244)
0.00010889 JED
period 1511.209742941725
4.14
1.9895e-05
5.447e-08
d
yr
n .2382197452613183 3.1361e-09 deg/d
Q 3.061350050201789 2.6868e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      724  
   data-arc span      12617 days (34.54 yr)  
   first obs. used      1979-11-14  
   last obs. used      2014-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46528  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 13:36:55  

Additional Information
 Earth MOID = 1.10871 AU 
 T_jup = 3.385 
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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 12.5 mag n/a MPO256918  

7333 Bec-Borsenberger           Discovered 1987 Sept. 29 by E. Bowell at the Anderson Mesa Station of the Lowell Observatory.
Named in honor of Annick Bec-Borsenberger (b. 1940), astronomer at the Bureau des Longitudes, Institut de Mécanique Céleste de l´Observatoire de Paris. Bec-Borsenberger is well known for her analytical theory of the motion of the moon. She is an expert in the dynamics of small bodies, particularly in the convergence of algorithms used to determine perturbed orbits. She helped analyze Hipparcos data on minor planets and satellites and has been involved in the ISO mission. Citation provided by M. A. Barucci.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19990728/MPCPages.arcLast Updated: 2010-06-11

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Alternate Designations
 1987 SM4 = 1979 VD2 = 1991 PB11 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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