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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
90937 Josefdufek (1997 TP19)
Classification: Main-belt Asteroid          SPK-ID: 2090937
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1816745331302406 3.5168e-08  
a 2.39446583877571 1.0127e-08 au
q 1.959452375419823 8.6631e-08 au
i .1580143650216253 4.3779e-06 deg
node 110.3047357484279 0.0015128 deg
peri 331.6918388923666 0.0015128 deg
M 359.2187274642013 1.3374e-05 deg
tp 2459003.437050757938
(2020-Jun-02.93705076)
5.0285e-05 TDB
period 1353.353950650396
3.71
8.5854e-06
2.351e-08
d
yr
n .2660057997591768 1.6875e-09 deg/d
Q 2.829479302131596 1.1966e-08 au
  Orbit Determination Parameters
   # obs. used (total)      615  
   data-arc span      8088 days (22.14 yr)  
   first obs. used      1997-10-03  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55277  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 08:15:53  

Additional Information
 Earth MOID = .975361 au 
 Jupiter MOID = 2.40093 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 16.3   n/a MPO417447  

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Apr-06 16:24 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin