+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   312159 (2007 UC37) Classification: Main-belt Asteroid          SPK-ID: 2312159 [ 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 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1857927499204568 4.6726e-08   a 2.338379768444023 1.9788e-08 au q 1.903925760906447 1.1531e-07 au i 6.594911142267818 5.0652e-06 deg node 102.5171133182802 4.8783e-05 deg peri 179.6325312600829 5.1972e-05 deg M 275.9071650699026 2.1376e-05 deg tp 2459305.589658669633 (2021-Apr-01.08965867) 7.9097e-05 TDB period 1306.083654004133 3.58 1.6578e-05 4.539e-08 d yr n .275633186968023 3.4987e-09 deg/d Q 2.772833775981599 2.3464e-08 au   Orbit Determination Parameters    # obs. used (total)      279      data-arc span      9653 days (26.43 yr)      first obs. used      1993-12-14      last obs. used      2020-05-19      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .64236      source      ORB      producer      Otto Matic      solution date      2020-Nov-11 18:48:24   Additional Information  Earth MOID = .887456 au   Jupiter MOID = 2.37248 au   T_jup = 3.534  [ hide covariance matrix ] Orbital Elements at Epoch 2457612.5 (2016-Aug-12.0) TDB Reference: JPL 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1859669086738905 4.6697e-08   q 1.904032903418975 1.1537e-07 au tp 2457998.399908122184 (2017-Sep-01.89990812) 7.3656e-05 TDB node 102.5583090002741 4.8788e-05 deg peri 179.4112072304976 5.1973e-05 deg i 6.594379051947482 5.0649e-06 deg   Orbit Determination Parameters    # obs. used (total)      279      data-arc span      9653 days (26.43 yr)      first obs. used      1993-12-14      last obs. used      2020-05-19      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .64236      source      ORB      producer      Otto Matic      solution date      2020-Nov-11 18:48:24   Additional Information  Jupiter MOID = 2.37248 au   T_jup = 3.534  Orbit Covariance (6×6)   e q tp node peri i e 2.180650680397332E-15 -5.339914217937784E-15 -1.064777943600563E-13 -1.674113773211995E-14 2.688948838940743E-14 1.008100574142996E-15 q -5.339914217937784E-15 1.33101708729166E-14 5.221158506729691E-13 3.939099536319824E-14 -2.091940027712243E-14 -1.728762078729133E-15 tp -1.064777943600563E-13 5.221158506729691E-13 5.425231223671825E-9 -2.910682938189416E-11 1.348957794639813E-9 3.471081156307505E-13 node -1.674113773211995E-14 3.939099536319824E-14 -2.910682938189416E-11 2.380265700228347E-9 -2.371496430387346E-9 2.616518416639301E-11 peri 2.688948838940743E-14 -2.091940027712243E-14 1.348957794639813E-9 -2.371496430387346E-9 2.701160715929998E-9 -2.599349813963365E-11 i 1.008100574142996E-15 -1.728762078729133E-15 3.471081156307505E-13 2.616518416639301E-11 -2.599349813963365E-11 2.56530657988575E-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 16.9   n/a MPO372912   312159 (2007 UC37)          Discovered 2007-Oct-19 by CSS at Catalina Reference: 20120109/Numbers.arc Last Updated: 2012-01-11 [ show close-approach data ] Alternate Designations  2007 UC37 = 2008 YK49  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-26 04:07 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin