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52604 Thomayer (1997 TZ9)
Classification: Main-belt Asteroid          SPK-ID: 2052604
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1211310557351776 4.0289e-08  
a 2.641536272764096 1.1835e-08 au
q 2.321564195281415 1.0611e-07 au
i 6.488694224882495 4.2787e-06 deg
node 28.53889857679168 3.3765e-05 deg
peri 357.4339130043484 3.7774e-05 deg
M 100.1631104782886 1.675e-05 deg
tp 2458564.196600538332
(2019-Mar-21.69660054)
7.2103e-05 TDB
period 1568.134446466165
4.29
1.0538e-05
2.885e-08
d
yr
n .229572152318489 1.5428e-09 deg/d
Q 2.961508350246777 1.3268e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1071  
   data-arc span      8262 days (22.62 yr)  
   first obs. used      1997-10-03  
   last obs. used      2020-05-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53515  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:17:02  

Additional Information
 Earth MOID = 1.32575 au 
 Jupiter MOID = 2.48733 au 
 T_jup = 3.375 
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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 15.0   n/a MPO309552  

52604 Thomayer           Discovered 1997 Oct. 5 by P. Pravec at Ondřejov.
Josef Thomayer (1853-1927), Czech professor of internal medicine at the Charles University of Prague, was the founder of Czech internal medicine. His fundamental monograph is Pathology and Therapy of Internal Diseases. He was a good writer and even tried a work of fiction.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030910/MPCPages.arcLast Updated: 2003-10-02

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