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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 ]

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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 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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457328.5 (2015-Nov-02.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04634430315512374 5.3694e-08  
q 2.815654026409547 1.6093e-07 au
tp 2458095.830390957245
(2017-Dec-08.33039096)
0.00042799 TDB
node 200.0755391731786 0.00017582 deg
peri 24.52909269792918 0.00019345 deg
i 1.4263637942725 6.7012e-06 deg
  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
 Jupiter MOID = 1.87719 au 
 T_jup = 3.266 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.882995084362682E-15 -8.567777791996013E-15 -1.494097043998904E-11 -1.151806249207152E-14 -2.821064646140037E-12 6.696791330939185E-16
q -8.567777791996013E-15 2.589853012063939E-14 4.768369858428348E-11 3.258164440661039E-14 8.973218395570129E-12 -1.602857027773019E-15
tp -1.494097043998904E-11 4.768369858428348E-11 1.831758832384494E-7 -1.826920150910644E-11 3.45498972165363E-8 1.397592639018958E-12
node -1.151806249207152E-14 3.258164440661039E-14 -1.826920150910644E-11 3.09120567540782E-8 -3.090568220651462E-8 -5.640097921952654E-10
peri -2.821064646140037E-12 8.973218395570129E-12 3.45498972165363E-8 -3.090568220651462E-8 3.742235657209748E-8 5.640779794230128E-10
i 6.696791330939185E-16 -1.602857027773019E-15 1.397592639018958E-12 -5.640097921952654E-10 5.640779794230128E-10 4.490640576785702E-11

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

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