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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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09730179597576812 7.2957e-08  
a 3.036976561152788 3.956e-08 AU
q 2.74147328741631 2.1979e-07 AU
i 9.917360612843877 8.7337e-06 deg
node 192.7407072981372 3.7931e-05 deg
peri 199.9221504046121 5.4636e-05 deg
M 301.9716546032494 4.2416e-05 deg
tp 2457312.100591698261
(2015-Oct-16.60059170)
0.00023046 JED
period 1933.127891970797
5.29
3.7772e-05
1.034e-07
d
yr
n .1862266855158688 3.6387e-09 deg/d
Q 3.332479834889267 4.3409e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      613  
   data-arc span      8512 days (23.30 yr)  
   first obs. used      1992-05-06  
   last obs. used      2015-08-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57676  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 15:36:44  

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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