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JPL Small-Body Database Browser
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4966 Edolsen (1981 EO34)
Classification: Main-belt Asteroid          SPK-ID: 2004966
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2123399970156321 4.7532e-08  
a 2.632163470896479 9.1169e-09 au
q 2.073249887341665 1.2402e-07 au
i 9.947056243953547 4.7335e-06 deg
node 175.928622842682 1.9824e-05 deg
peri 183.6605011146342 2.1208e-05 deg
M 141.7633709582349 8.3152e-06 deg
tp 2457986.272517437864
(2017-Aug-20.77251744)
3.5112e-05 TDB
period 1559.79568084279
4.27
8.1039e-06
2.219e-08
d
yr
n .2307994594557952 1.1991e-09 deg/d
Q 3.191077054451293 1.1053e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1957  
   data-arc span      13967 days (38.24 yr)  
   first obs. used      1981-02-09  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50885  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 00:47:57  

Additional Information
 Earth MOID = 1.06898 au 
 Jupiter MOID = 2.25952 au 
 T_jup = 3.346 
[ show covariance matrix ]

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 13.7   n/a MPO384798  
diameter diameter 10.212 km 0.064 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.061   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4966 Edolsen           Discovered 1981 Mar. 2 by S. J. Bus at Siding Spring in the course of the U.K. Schmidt-Caltech Asteroid Survey.
Edward Olsen (b. 1927) is a long-time curator of the meteorite collection at the Field Museum of Natural History in Chicago. His studies of stony-iron meteorites and phosphate minerals have focused on unraveling the processes that led to core formation in minor planets.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20001013/MPCPages.arcLast Updated: 2013-03-29

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Alternate Designations
 1981 EO34 = 1987 SO1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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