+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   359779 (2011 UR145) Classification: Main-belt Asteroid          SPK-ID: 2359779 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 9 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1110304309645864 7.1812e-08   a 2.711533861977117 4.2627e-08 au q 2.410471088706728 2.1673e-07 au i 5.763532721066847 7.1797e-06 deg node 35.34491535605528 8.6381e-05 deg peri 13.54490699340425 0.00010103 deg M 338.5827943961951 5.4058e-05 deg tp 2459097.524470318769 (2020-Sep-05.02447032) 0.00024628 TDB period 1630.876126461208 4.47 3.8458e-05 1.053e-07 d yr n .2207402476245414 5.2053e-09 deg/d Q 3.012596635247506 4.736e-08 au   Orbit Determination Parameters    # obs. used (total)      94      data-arc span      5638 days (15.44 yr)      first obs. used      2004-03-17      last obs. used      2019-08-24      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .6356      source      ORB      producer      Otto Matic      solution date      2019-Sep-24 06:45:02   Additional Information  Earth MOID = 1.42082 au   Jupiter MOID = 2.35016 au   T_jup = 3.347  [ hide covariance matrix ] Orbital Elements at Epoch 2457241.5 (2015-Aug-07.0) TDB Reference: JPL 9 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .11153636026174 7.2613e-08   q 2.410026672367573 2.1994e-07 au tp 2457457.750174334757 (2016-Mar-10.25017433) 0.00022193 TDB node 35.41129376721673 8.6159e-05 deg peri 11.87722809672672 0.00010062 deg i 5.772795332502152 7.1855e-06 deg   Orbit Determination Parameters    # obs. used (total)      94      data-arc span      5638 days (15.44 yr)      first obs. used      2004-03-17      last obs. used      2019-08-24      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .6356      source      ORB      producer      Otto Matic      solution date      2019-Sep-24 06:45:02   Additional Information  Jupiter MOID = 2.35016 au   T_jup = 3.347  Orbit Covariance (6×6)   e q tp node peri i e 5.272697557743035E-15 -1.579298646491324E-14 -3.954481134541553E-12 5.45089358383829E-14 -9.698339378891E-13 -1.358783488834159E-15 q -1.579298646491324E-14 4.837276048170769E-14 1.511781024611238E-11 -1.746168474854061E-13 3.638512761712108E-12 5.159346366369639E-15 tp -3.954481134541553E-12 1.511781024611238E-11 4.925314298868009E-8 -1.478367638744365E-10 1.162992119881541E-8 -1.306110286082133E-13 node 5.45089358383829E-14 -1.746168474854061E-13 -1.478367638744365E-10 7.423390822795068E-9 -7.418775630128951E-9 4.125306450440963E-12 peri -9.698339378891E-13 3.638512761712108E-12 1.162992119881541E-8 -7.418775630128951E-9 1.012503899444416E-8 -4.076971873470522E-12 i -1.358783488834159E-15 5.159346366369639E-15 -1.306110286082133E-13 4.125306450440963E-12 -4.076971873470522E-12 5.163128090163882E-11 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 16.9   n/a MPO446599   359779 (2011 UR145)          Discovered 2004-Mar-17 by Spacewatch at Kitt Peak Reference: 20130327/Numbers.arc Last Updated: 2013-03-29 Alternate Designations  2011 UR145 = 2004 GN6  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Oct-26 08:27 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin