+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   413320 (2003 UJ389) Classification: Main-belt Asteroid          SPK-ID: 2413320 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1251939078114437 6.1949e-08   a 3.103145660851788 3.5162e-08 au q 2.714650729061627 2.0127e-07 au i 7.25392268556103 7.2745e-06 deg node 211.7150413820137 5.0456e-05 deg peri 199.714226263613 6.4015e-05 deg M 32.45029553036134 3.6277e-05 deg tp 2459020.522661558957 (2020-Jun-20.02266156) 0.00020017 TDB period 1996.648744790461 5.47 3.3936e-05 9.291e-08 d yr n .1803021192081436 3.0645e-09 deg/d Q 3.491640592641948 3.9564e-08 au   Orbit Determination Parameters    # obs. used (total)      130      data-arc span      10314 days (28.24 yr)      first obs. used      1992-10-23      last obs. used      2021-01-18      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .62192      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 00:05:31   Additional Information  Earth MOID = 1.72554 au   Jupiter MOID = 1.89297 au   T_jup = 3.197  [ hide covariance matrix ] Orbital Elements at Epoch 2457407.5 (2016-Jan-20.0) TDB Reference: JPL 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1208615738975259 6.22e-08   q 2.73062656153671 2.0099e-07 au tp 2457011.831991255648 (2014-Dec-20.33199126) 0.00020462 TDB node 211.832172525047 5.065e-05 deg peri 198.0330766103014 6.5377e-05 deg i 7.23103071503411 7.2735e-06 deg   Orbit Determination Parameters    # obs. used (total)      130      data-arc span      10314 days (28.24 yr)      first obs. used      1992-10-23      last obs. used      2021-01-18      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .62192      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 00:05:31   Additional Information  Jupiter MOID = 1.89297 au   T_jup = 3.197  Orbit Covariance (6×6)   e q tp node peri i e 3.868870747928033E-15 -1.235594211222536E-14 -6.444181968308121E-12 4.207273000247924E-14 -1.385682104903697E-12 4.040278074475949E-16 q -1.235594211222536E-14 4.0394972665148E-14 2.104390182234537E-11 -1.379400695446695E-13 4.554059198461153E-12 7.712810216840535E-16 tp -6.444181968308121E-12 2.104390182234537E-11 4.186975368369969E-8 -4.558462547635142E-11 8.496155936422379E-9 -2.103875714170742E-11 node 4.207273000247924E-14 -1.379400695446695E-13 -4.558462547635142E-11 2.565400955116582E-9 -2.555485888277697E-9 -1.107902050219417E-10 peri -1.385682104903697E-12 4.554059198461153E-12 8.496155936422379E-9 -2.555485888277697E-9 4.274150582085749E-9 1.057924418032411E-10 i 4.040278074475949E-16 7.712810216840535E-16 -2.103875714170742E-11 -1.107902050219417E-10 1.057924418032411E-10 5.290385772189166E-11 [ 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 16.4   n/a MPO495098   413320 (2003 UJ389)          Discovered 2003-Oct-22 by Buie, M. W. at Kitt Peak Reference: Last Updated: 2014-11-10 [ show close-approach data ] Alternate Designations  2003 UJ389 = 2008 SG199  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Feb-24 18:32 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin