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4210 Isobelthompson (1987 DY5)
Classification: Main-belt Asteroid          SPK-ID: 2004210
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07747882684187661 4.9531e-08  
a 2.989852404897305 2.8314e-08 AU
q 2.758202148135498 1.4479e-07 AU
i 10.43942963311614 6.9879e-06 deg
node 159.9103110535118 2.8552e-05 deg
peri 285.7133863460061 5.6672e-05 deg
M 191.429981898832 5.1037e-05 deg
tp 2457884.700760661379
(2017-May-11.20076066)
0.00027228 JED
period 1888.308949738973
5.17
2.6824e-05
7.344e-08
d
yr
n .1906467689250554 2.7081e-09 deg/d
Q 3.221502661659112 3.0508e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1195  
   data-arc span      22648 days (62.01 yr)  
   first obs. used      1953-08-15  
   last obs. used      2015-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .44342  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:11:52  

Additional Information
 Earth MOID = 1.79721 AU 
 T_jup = 3.227 
[ 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 12.4 mag n/a MPO263384  

4210 Isobelthompson           Discovered 1987 Feb. 21 by H. Debehogne at the European Southern Observatory.
The British archaeologist Isobel Thompson is co-author of Alban's Buried Towns: An Assessment of St. Albans' Archaeology up to A.D. 1600, the first in a series of studies of important archaeological sites in England. The citation was prepared by M. M. Dworetsky.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060219/MPCPages.arcLast Updated: 2010-06-03

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Alternate Designations
 1987 DY5 = 1951 EL = 1979 QZ5 = 1982 DE5 = 1982 DJ6 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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