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18235 Lynden-Bell (1003 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2018235
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1556113199110082 5.7836e-08  
a 3.091701897324546 3.8104e-08 AU
q 2.610598084310505 1.6677e-07 AU
i .7137506096814368 7.308e-06 deg
node 218.0606701013013 0.0004729 deg
peri 261.4517859631167 0.00047417 deg
M 109.7525601861132 2.8976e-05 deg
tp 2456395.149361816517
(2013-Apr-12.64936182)
0.00015413 JED
period 1985.614088423129
5.44
3.6708e-05
1.005e-07
d
yr
n .1813041124652239 3.3517e-09 deg/d
Q 3.572805710338587 4.4033e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      811  
   data-arc span      14890 days (40.77 yr)  
   first obs. used      1973-09-19  
   last obs. used      2014-06-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5699  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:30:45  

Additional Information
 Earth MOID = 1.62683 AU 
 T_jup = 3.206 
[ 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 13.9 mag n/a PDS3 (MPO 4283)  

18235 Lynden-Bell           Discovered 1973 Sept. 29 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Donald Lynden-Bell (b. 1935), professor at the University of Cambridge, is well known for his studies of the formation, structure and dynamics of galaxies, including the Milky Way.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040107/MPCPages.arcLast Updated: 2004-01-07

[ show close-approach data ]
Alternate Designations
 1003 T-2 = 1985 XW1 = 1995 ST26 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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