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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1351645522297762 4.9299e-08  
a 2.410755417511743 1.3797e-08 au
q 2.084906740968262 1.2012e-07 au
i 5.366708497014688 5.4548e-06 deg
node 130.6733542106848 5.5652e-05 deg
peri 274.3952008346394 6.0122e-05 deg
M 245.2204067219498 2.3869e-05 deg
tp 2458036.403478488734
(2017-Oct-09.90347849)
9.2424e-05 JED
period 1367.187735852986
3.74
1.1737e-05
3.213e-08
d
yr
n .2633142402900481 2.2605e-09 deg/d
Q 2.736604094055225 1.5662e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1076  
   data-arc span      14056 days (38.48 yr)  
   first obs. used      1977-01-13  
   last obs. used      2015-07-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56299  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:28:25  

Additional Information
 Earth MOID = 1.10082 au 
 Jupiter MOID = 2.64301 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 14.5 mag n/a MPO337339  
rotation period rot_per 8.187 h n/a LCDB (Rev. 2016-February); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2016) Astron. J. 150, A75.]

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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