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3932 Edshay (1984 SC5)
Classification: Main-belt Asteroid          SPK-ID: 2003932
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.

Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1656237882204631 2.2267e-08  
a 2.56640866348894 1.0603e-08 au
q 2.141350338520086 5.8565e-08 au
i 14.57418321292632 1.0072e-06 deg
node 324.512329639181 1.7774e-06 deg
peri 329.1604803545807 4.4884e-06 deg
M 350.5381710113501 7.0681e-06 deg
tp 2459239.969328664553
2.9547e-05 TDB
period 1501.713710561022
n .2397261192118358 1.4856e-09 deg/d
Q 2.991466988457794 1.2359e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2540  
   data-arc span      22282 days (61.00 yr)  
   first obs. used      1959-08-10  
   last obs. used      2020-08-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4065  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:44:43  

Additional Information
 Earth MOID = 1.13617 au 
 Jupiter MOID = 2.3041 au 
 T_jup = 3.368 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.9   n/a MPO502191  
diameter diameter 12.155 km 0.235 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  
rotation period rot_per 3.444 h n/a LCDB (Rev. 2020-October); 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. (2015) Astron. J. 150, A75.]
[Behrend, R. (2017) Observatoire de Geneve web site,]
geometric albedo albedo 0.250   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  

3932 Edshay           Discovered 1984 Sept. 27 by M. C. Nolan and C. S. Shoemaker at Palomar.
Edwin L. Shay (1938-1998) was an educator in Worthington, Ohio, and Syracuse, New York, for 34 years and father of the Worthington Soccer League. His enthusiasm for learning and exploration, as well as his personal involvement in the education of students as individuals, inspired many to achieve their dreams.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010804/MPCPages.arcLast Updated: 2009-05-11

Alternate Designations
 1984 SC5 = 1959 PE = 1979 EK = 1982 BN11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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