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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09730179582783351 7.296e-08  
a 3.036976543830435 4.1793e-08 AU
q 2.741473272228727 2.2009e-07 AU
i 9.917360541468605 8.7439e-06 deg
node 192.7407080404462 3.8566e-05 deg
peri 199.922134734166 5.629e-05 deg
M 301.9716739206852 4.4985e-05 deg
tp 2457312.100485301532
(2015-Oct-16.60048530)
0.0002448 JED
period 1933.127875431491
5.29
3.9904e-05
1.093e-07
d
yr
n .1862266871091727 3.8441e-09 deg/d
Q 3.332479815432143 4.5859e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      553  
   data-arc span      8222 days (22.51 yr)  
   first obs. used      1992-05-06  
   last obs. used      2014-11-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59862  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 03:52:09  

Additional Information
 Earth MOID = 1.74862 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. Kušnirák at Ondřejov.
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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