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

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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09379601391828621 4.2359e-08  
a 3.036138723018464 1.5793e-08 au
q 2.751361013096377 1.3041e-07 au
i 9.895517947586782 5.262e-06 deg
node 192.4883117980572 1.7889e-05 deg
peri 202.5199125970109 3.1266e-05 deg
M 348.9764189789171 2.3373e-05 deg
tp 2459259.669927999372
(2021-Feb-14.16992800)
0.00012535 TDB
period 1932.327982988002
5.29
1.5077e-05
4.128e-08
d
yr
n .1863037761546691 1.4537e-09 deg/d
Q 3.320916432940552 1.7275e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1321  
   data-arc span      10508 days (28.77 yr)  
   first obs. used      1992-05-06  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52149  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 08:52:01  

Additional Information
 Earth MOID = 1.75866 au 
 Jupiter MOID = 2.12839 au 
 T_jup = 3.212 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.43   n/a E2021B10  

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 | Mission Design | Physical Parameters | Discovery Circumstances ]
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