Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09730180342796564 7.467e-08  
a 3.036976548286332 4.2822e-08 AU
q 2.741473253169633 2.2367e-07 AU
i 9.917360438924041 8.8494e-06 deg
node 192.7407078300254 3.8668e-05 deg
peri 199.9221359732605 5.639e-05 deg
M 301.9716716581622 4.5233e-05 deg
tp 2457312.100498136604
(2015-Oct-16.60049814)
0.00024626 JED
period 1933.127879685961
5.29
4.0886e-05
1.119e-07
d
yr
n .1862266866993209 3.9387e-09 deg/d
Q 3.332479843403029 4.6989e-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 = 1.74862 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Dec-23 04:26 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin