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JPL Small-Body Database Browser
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39539 Emmadesmet (1991 GU4)
Classification: Main-belt Asteroid          SPK-ID: 2039539
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08258172682046866 3.8966e-08  
a 3.053264488407325 1.8278e-08 au
q 2.801120634515033 1.1986e-07 au
i 9.144878998233345 4.5682e-06 deg
node 15.85794432177931 2.6271e-05 deg
peri 130.6811257242032 3.7313e-05 deg
M 136.57323978324 2.7123e-05 deg
tp 2457861.221326726719
(2017-Apr-17.72132673)
0.00014535 TDB
period 1948.700366197517
5.34
1.7498e-05
4.791e-08
d
yr
n .1847385089286276 1.6589e-09 deg/d
Q 3.305408342299617 1.9787e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1601  
   data-arc span      10375 days (28.41 yr)  
   first obs. used      1991-04-08  
   last obs. used      2019-09-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50884  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:00:09  

Additional Information
 Earth MOID = 1.82236 au 
 Jupiter MOID = 1.70232 au 
 T_jup = 3.212 
[ 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 13.3   n/a MPO351108  

39539 Emmadesmet           Discovered 1991 Apr. 8 by E. W. Elst at the European Southern Observatory.
Emma de Smet (2005) is the second granddaughter of the discoverer, and daughter of Mayré and Robby.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2014-03-16Last Updated: 2014-03-21

[ show close-approach data ]
Alternate Designations
 1991 GU4 = 1996 DO2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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