Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
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 ]  
40444 Palacky (1999 RV35)
Classification: Main-belt Asteroid          SPK-ID: 2040444
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04525673434807199 5.5875e-08  
a 2.954266202821944 2.2162e-08 au
q 2.820565762087344 1.681e-07 au
i 1.428382782769233 6.6925e-06 deg
node 200.0414708158339 0.00017566 deg
peri 21.38258929259869 0.00019273 deg
M 255.615732886625 8.3144e-05 deg
tp 2459934.280947080621
(2022-Dec-20.78094708)
0.00043115 TDB
period 1854.696558234657
5.08
2.087e-05
5.714e-08
d
yr
n .1941018321307807 2.1841e-09 deg/d
Q 3.087966643556545 2.3165e-08 au
  Orbit Determination Parameters
   # obs. used (total)      581  
   data-arc span      10484 days (28.70 yr)  
   first obs. used      1992-05-01  
   last obs. used      2021-01-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59327  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 08:52:02  

Additional Information
 Earth MOID = 1.81237 au 
 Jupiter MOID = 1.87719 au 
 T_jup = 3.266 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.34   n/a MPCxxxxx  

40444 Palacký           Discovered 1999 Sept. 12 by P. Pravec and M. Wolf at Ondřejov.
František Palacký (1798-1876), Czech historian and politician, contributed greatly to the restoration of the Czech national consciousness with his fundamental History of the Czech Nation.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030910/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jul-31 20:21 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin