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90937 Josefdufek (1997 TP19)
Classification: Main-belt Asteroid          SPK-ID: 2090937
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1817955719756866 2.9359e-08  
a 2.394207265611849 8.9197e-09 au
q 1.958950986331599 7.0497e-08 au
i .1580903453149479 3.8642e-06 deg
node 110.3326910768699 0.0015043 deg
peri 331.5873709579457 0.0015044 deg
M 104.618183868837 1.3619e-05 deg
tp 2459003.270836630415
(2020-Jun-02.77083663)
5.0238e-05 TDB
period 1353.134737939362
3.70
7.5617e-06
2.07e-08
d
yr
n .2660488936587576 1.4868e-09 deg/d
Q 2.8294635448921 1.0541e-08 au
  Orbit Determination Parameters
   # obs. used (total)      733  
   data-arc span      8653 days (23.69 yr)  
   first obs. used      1997-10-03  
   last obs. used      2021-06-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52922  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:39:20  

Additional Information
 Earth MOID = .974784 au 
 Jupiter MOID = 2.40192 au 
 T_jup = 3.507 
[ 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 16.39   n/a MPO637236  

90937 Josefdufek           Discovered 1997 Oct. 11 by L. Šarounová at Ondřejov.
Josef Dufek (b. 1950) is a Moravian winemaker.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20110218/MPCPages.arcLast Updated: 2011-02-22

Alternate Designations
 1997 TP19 = 2001 VG46 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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