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9604 Bellevanzuylen (1991 YW)
Classification: Main-belt Asteroid          SPK-ID: 2009604
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .134283233945611 5.7101e-08  
a 2.411546287825368 1.5952e-08 AU
q 2.087716053486644 1.4094e-07 AU
i 5.366042494679814 6.2638e-06 deg
node 130.6776293476108 6.5951e-05 deg
peri 274.6374576527223 7.0883e-05 deg
M 34.41417325575918 2.5298e-05 deg
tp 2456669.739470557963
(2014-Jan-12.23947056)
9.5797e-05 JED
period 1367.860568646833
3.74
1.3572e-05
3.716e-08
d
yr
n .2631847194455886 2.6114e-09 deg/d
Q 2.735376522164092 1.8094e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      904  
   data-arc span      13541 days (37.07 yr)  
   first obs. used      1977-01-13  
   last obs. used      2014-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57596  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Feb-19 18:11:43  

Additional Information
 Earth MOID = 1.10398 AU 
 T_jup = 3.501 
[ 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 14.3 mag n/a MPO263435  

9604 Bellevanzuylen           Discovered 1991 Dec. 30 by E. W. Elst at Haute Provence.
Belle van Zuylen, pseudonym for Isabella Agneta Elisabeth van Tuyll van Serooskerken (1740-1805), descendant of ancient noblemen, was a Dutch writer from the Enlightenment. Primarily known from her extensive correspondence with the Scottish author James Boswell, she wrote also novels, plays and pamphlets.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070730/MPCPages.arcLast Updated: 2007-08-07

[ show close-approach data ]
Alternate Designations
 1991 YW = 1977 AY = 1995 WW31 = 1997 LS16 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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