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52008 Johnnaka (2002 EP111)
Classification: Main-belt Asteroid          SPK-ID: 2052008
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1261703853457444 2.9631e-08  
a 3.122129800508801 2.1031e-08 au
q 2.728209480479173 9.046e-08 au
i 12.48673136312354 4.4268e-06 deg
node 148.878973243889 1.6426e-05 deg
peri 130.4677974470015 2.6968e-05 deg
M 65.75873321838063 1.9578e-05 deg
tp 2458832.433919583012
(2019-Dec-14.93391958)
0.00011066 TDB
period 2014.999110613624
5.52
2.036e-05
5.574e-08
d
yr
n .1786601284853023 1.8052e-09 deg/d
Q 3.516050120538428 2.3685e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1287  
   data-arc span      10866 days (29.75 yr)  
   first obs. used      1991-04-10  
   last obs. used      2021-01-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46657  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:41:57  

Additional Information
 Earth MOID = 1.72951 au 
 Jupiter MOID = 1.80352 au 
 T_jup = 3.167 
[ 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 14.15   n/a E2021B10  

52008 Johnnaka           Discovered 2002 Mar. 9 by the Catalina Sky Survey.
John Yoshio Naka (1914-2004) was the preeminent American bonsai master of the late 20th century. He was an important figure in American bonsai art from the 1950s through the 1980s and was a driving force in the spread of bonsai appreciation and the practice of the bonsai art form.
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 2014-04-15Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2002 EP111 = 1991 GX14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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