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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1346845786220226 4.9658e-08  
a 2.411979790950686 1.4138e-08 AU
q 2.087123309161659 1.2129e-07 AU
i 5.366723924164382 5.608e-06 deg
node 130.6759933939038 5.6276e-05 deg
peri 274.6317316818113 6.0861e-05 deg
M 87.00950975923539 2.3456e-05 deg
tp 2456669.808414128148
(2014-Jan-12.30841413)
8.8105e-05 JED
period 1368.229418178403
3.75
1.203e-05
3.294e-08
d
yr
n .2631137696770818 2.3134e-09 deg/d
Q 2.736836272739713 1.6043e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1052  
   data-arc span      13952 days (38.20 yr)  
   first obs. used      1977-01-13  
   last obs. used      2015-03-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56131  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:35:33  

Additional Information
 Earth MOID = 1.10426 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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