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40440 Dobrovsky (1999 RU34)
Classification: Main-belt Asteroid          SPK-ID: 2040440
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09740555576520103 7.4667e-08  
a 3.03709402229418 4.2696e-08 AU
q 2.741264191141445 2.2373e-07 AU
i 9.916818980285399 8.8489e-06 deg
node 192.748337748579 3.8671e-05 deg
peri 199.9071880754744 5.6363e-05 deg
M 264.7465962618092 4.4805e-05 deg
tp 2457312.021373542900
(2015-Oct-16.52137354)
0.00024606 JED
period 1933.240044435411
5.29
4.0767e-05
1.116e-07
d
yr
n .1862158820040041 3.9268e-09 deg/d
Q 3.332923853446914 4.6855e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      549  
   data-arc span      8090 days (22.15 yr)  
   first obs. used      1992-05-06  
   last obs. used      2014-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .60034  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 13:21:14  

Additional Information
 Earth MOID = 1.74729 AU 
 T_jup = 3.211 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.3 mag n/a MPO263683  

40440 Dobrovský           Discovered 1999 Sept. 11 by P. Pravec and P. Kusnirák at Ondrejov.
Josef Dobrovský (1753-1829) was probably the most important Czech linguist. He did research in the Czech and Slavic languages and Czech literature. He codified the rules of the written Czech language.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030806/MPCPages.arcLast Updated: 2003-10-02
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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