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117595 Jemmadavidson (2005 EG62)
Classification: Main-belt Asteroid          SPK-ID: 2117595
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2160957087640976 1.014e-07  
a 3.151332957954633 2.8503e-08 au
q 2.470343428853766 3.1942e-07 au
i 16.20902553982061 1.2187e-05 deg
node 336.5740947627346 1.7353e-05 deg
peri 34.26935099628917 2.699e-05 deg
M 31.05725453756452 1.6713e-05 deg
tp 2458824.221062244917
(2019-Dec-06.72106224)
9.542e-05 TDB
period 2043.336364940852
5.59
2.7722e-05
7.59e-08
d
yr
n .1761824465990066 2.3903e-09 deg/d
Q 3.832322487055499 3.4662e-08 au
  Orbit Determination Parameters
   # obs. used (total)      303  
   data-arc span      8122 days (22.24 yr)  
   first obs. used      1997-10-30  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52296  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 05:48:00  

Additional Information
 Earth MOID = 1.48507 au 
 Jupiter MOID = 1.71932 au 
 T_jup = 3.110 
[ 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 15.1   n/a MPO493670  

117595 Jemmadavidson           Discovered 2005 Mar. 4 by Mt. Lemmon Survey at Mount Lemmon.
Jemma Davidson (b. 1984) is a cosmochemist and meteoriticist specializing in the study of presolar grains and pristine chondrites to determine how minor bodies formed and evolved in the early Solar System. She was previously a Science Team collaborator and webmaster for the OSIRIS-REx Asteroid Sample Return Mission.
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 2018-05-29Last Updated: 2018-07-10

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