+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   15890 Prachatice (1997 GY) Classification: Main-belt Asteroid          SPK-ID: 2015890 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09597159886864036 3.605e-08   a 2.140747065187207 5.8999e-09 au q 1.935296146567841 7.5516e-08 au i 2.669537065084377 4.4613e-06 deg node 201.5690848525313 8.4201e-05 deg peri 339.8275909303524 8.7963e-05 deg M 159.2577606158839 2.6168e-05 deg tp 2458494.390409865311 (2019-Jan-10.89040987) 8.2599e-05 TDB period 1144.053839159132 3.13 4.7295e-06 1.295e-08 d yr n .3146705055984047 1.3009e-09 deg/d Q 2.346197983806572 6.4661e-09 au   Orbit Determination Parameters    # obs. used (total)      1040      data-arc span      8651 days (23.69 yr)      first obs. used      1995-10-28      last obs. used      2019-07-05      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51979      source      ORB      producer      Otto Matic      solution date      2020-Feb-22 21:30:08   Additional Information  Earth MOID = .93795 au   Jupiter MOID = 2.61344 au   T_jup = 3.706  [ 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 16.2   n/a MPO473980   15890 Prachatice           Discovered 1997 Apr. 3 by M. Tichy and Z. Moravec at Klet. Prachatice is a southern Bohemian town that began as a small settlement on the Golden Trail that had the rights to sell salt from Passau. The Prachatice of today, founded in the 14th century, is dominated by the Gothic Church of St. James. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20020921/MPCPages.arc Last Updated: 2003-10-02 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Oct-28 00:38 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin