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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 ]

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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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04663429514112142 3.6805e-08  
a 3.172780868619849 2.1137e-08 au
q 3.024820469174527 1.1601e-07 au
i .2870634758846509 4.0884e-06 deg
node 252.3015655359281 0.00086488 deg
peri 189.8860507175447 0.00086622 deg
M 179.678297186998 4.826e-05 deg
tp 2457970.228547056055
(2017-Aug-04.72854706)
0.00027418 TDB
period 2064.232179770788
5.65
2.0628e-05
5.648e-08
d
yr
n .1743989864744645 1.7428e-09 deg/d
Q 3.32074126806517 2.2123e-08 au
  Orbit Determination Parameters
   # obs. used (total)      949  
   data-arc span      8506 days (23.29 yr)  
   first obs. used      1996-01-26  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53021  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:04:05  

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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