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JPL Small-Body Database Browser
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38461 Jiritrnka (1999 TR17)
Classification: Main-belt Asteroid          SPK-ID: 2038461
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04663435105066406 3.6713e-08  
a 3.172780881077407 2.1087e-08 au
q 3.024820303662408 1.1562e-07 au
i .2870644057049509 4.0783e-06 deg
node 252.3024364847073 0.00086269 deg
peri 189.8851457118732 0.00086403 deg
M 179.6783280099212 4.8224e-05 deg
tp 2457970.228364250219
(2017-Aug-04.72836425)
0.00027394 TDB
period 2064.232191928242
5.65
2.0579e-05
5.634e-08
d
yr
n .1743989854473283 1.7386e-09 deg/d
Q 3.320741458492406 2.207e-08 au
  Orbit Determination Parameters
   # obs. used (total)      957  
   data-arc span      8558 days (23.43 yr)  
   first obs. used      1996-01-26  
   last obs. used      2019-07-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54125  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 04:52:26  

Additional Information
 Earth MOID = 2.04067 au 
 Jupiter MOID = 1.79471 au 
 T_jup = 3.200 
[ 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 14.5   n/a MPO436038  

38461 Jiřítrnka           Discovered 1999 Oct. 15 by P. Pravec at Ondřejov.
Jiří Trnka (1912-1969) is a Czech graphic artist, painter, maker of puppets, director of animated and puppet films, author and illustrator of books for children. He is co-founder of Czech animated film. One of his most famous films is Špalíček ("The Czech Year").
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030318/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Alternate Designations
 1999 TR17 = 2001 AG6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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