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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 ]

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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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1817529945711196 3.1673e-08  
a 2.394591240526884 9.4091e-09 au
q 1.959367111787351 7.6983e-08 au
i .1580572643250769 4.163e-06 deg
node 110.3018560633225 0.0015049 deg
peri 331.6707813007412 0.001505 deg
M 52.43077430562469 1.3492e-05 deg
tp 2459003.380639354762
(2020-Jun-02.88063935)
5.0262e-05 TDB
period 1353.460267793012
3.71
7.9773e-06
2.184e-08
d
yr
n .2659849044457178 1.5677e-09 deg/d
Q 2.829815369266418 1.1119e-08 au
  Orbit Determination Parameters
   # obs. used (total)      680  
   data-arc span      8571 days (23.47 yr)  
   first obs. used      1997-10-03  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53736  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:18:01  

Additional Information
 Earth MOID = .974898 au 
 Jupiter MOID = 2.40088 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 16.38   n/a MPCxxxxx  

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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