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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09697826832264778 7.2913e-08  
a 3.035979144881422 2.9411e-08 au
q 2.741555144747149 2.1753e-07 au
i 9.919017991237515 8.229e-06 deg
node 192.7390244975707 3.1939e-05 deg
peri 199.9231781714333 4.5309e-05 deg
M 16.4672111157285 3.0261e-05 deg
tp 2457312.117932774022
(2015-Oct-16.61793277)
0.00016247 JED
period 1932.175641506275
5.29
2.8077e-05
7.687e-08
d
yr
n .1863184651884717 2.7074e-09 deg/d
Q 3.330403145015695 3.2263e-08 au
  Orbit Determination Parameters
   # obs. used (total)      745  
   data-arc span      8611 days (23.58 yr)  
   first obs. used      1992-05-06  
   last obs. used      2015-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57254  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 14:40:53  

Additional Information
 Earth MOID = 1.74738 au 
 Jupiter MOID = 2.11861 au 
 T_jup = 3.212 
[ 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 14.4 mag n/a MPO347810  

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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