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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04543444347805317 5.5786e-08  
a 2.953727937204628 2.2121e-08 au
q 2.819526952192158 1.6781e-07 au
i 1.42848041112006 6.6923e-06 deg
node 200.0545878725794 0.00017567 deg
peri 21.50166218883881 0.00019266 deg
M 217.4440158535321 8.2735e-05 deg
tp 2459934.738435197373
(2022-Dec-21.23843520)
0.00042993 TDB
period 1854.189694341241
5.08
2.0829e-05
5.703e-08
d
yr
n .1941548920796377 2.1811e-09 deg/d
Q 3.087928922217098 2.3126e-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 = 1.80961 au 
 Jupiter MOID = 1.87841 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 ]
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