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7551 Edstolper (1981 EF26)
Classification: Outer Main-belt Asteroid          SPK-ID: 2007551
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1056160898077513 3.4725e-08  
a 3.212743184968629 1.6902e-08 au
q 2.873425812215741 1.1768e-07 au
i 6.963871241812993 4.1565e-06 deg
node 174.8315524290245 3.0313e-05 deg
peri 312.4586275971757 3.6619e-05 deg
M 335.0236257289362 2.0044e-05 deg
tp 2459146.428237210699
(2020-Oct-23.92823721)
0.00011722 TDB
period 2103.35434702044
5.76
1.6598e-05
4.544e-08
d
yr
n .1711551838661741 1.3507e-09 deg/d
Q 3.552060557721517 1.8687e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2336  
   data-arc span      14312 days (39.18 yr)  
   first obs. used      1981-02-09  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45667  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 02:47:51  

Additional Information
 Earth MOID = 1.89401 au 
 Jupiter MOID = 1.51812 au 
 T_jup = 3.171 
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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 12.6   n/a MPO337319  
diameter diameter 19.581 km 0.100 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.038   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

7551 Edstolper           Discovered 1981 Mar. 2 by S. J. Bus at Siding Spring in the course of the U.K. Schmidt-Caltech Asteroid Survey.
Edward M. Stolper (b. 1952) is a professor of geology at the California Institute of Technology. He has pioneered the use of experimental, analytical, theoretical, and computational studies aimed at understanding the origin and evolution of igneous rocks on the earth and other planets.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060809/MPCPages.arcLast Updated: 2007-08-08

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Alternate Designations
 1981 EF26 = 1990 UF5 
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