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4210 Isobelthompson (1987 DY5)
Classification: Main-belt Asteroid          SPK-ID: 2004210
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07520161810823812 2.0585e-08  
a 2.991423919235018 1.4373e-08 au
q 2.766464000060857 6.2981e-08 au
i 10.4635633479507 5.6708e-07 deg
node 159.6002894936385 1.5376e-06 deg
peri 288.8247427639661 2.0805e-05 deg
M 247.6183099145816 2.2154e-05 deg
tp 2459790.440793580931
(2022-Jul-29.94079358)
0.00011772 TDB
period 1889.797933522014
5.17
1.362e-05
3.729e-08
d
yr
n .1904965571261201 1.3729e-09 deg/d
Q 3.216383838409179 1.5454e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2621  
   data-arc span      25485 days (69.77 yr)  
   first obs. used      1951-03-13  
   last obs. used      2020-12-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4031  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 16:04:26  

Additional Information
 Earth MOID = 1.80477 au 
 Jupiter MOID = 1.93839 au 
 T_jup = 3.226 
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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.57   n/a MPCxxxxx  
diameter diameter 10.280 km 0.228 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.201   0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

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 | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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