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52604 Thomayer (1997 TZ9)
Classification: Main-belt Asteroid          SPK-ID: 2052604
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1197108697479512 7.2911e-08  
a 2.641369454786515 1.8412e-08 AU
q 2.32516882002835 1.9387e-07 AU
i 6.486937732463137 8.0964e-06 deg
node 28.5905979046408 4.6018e-05 deg
peri 356.3457642584372 5.3053e-05 deg
M 2.256900173921792 2.338e-05 deg
tp 2456990.670034286483
(2014-Nov-29.17003429)
0.00010184 JED
period 1567.985902857528
4.29
1.6395e-05
4.489e-08
d
yr
n .2295939009042932 2.4006e-09 deg/d
Q 2.957570089544681 2.0616e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      643  
   data-arc span      6337 days (17.35 yr)  
   first obs. used      1997-10-03  
   last obs. used      2015-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50818  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 16:39:37  

Additional Information
 Earth MOID = 1.32892 AU 
 T_jup = 3.376 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0 mag 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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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