+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   101307 (1998 SU133) Classification: Main-belt Asteroid          SPK-ID: 2101307 [ 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 16 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .172014092023664 5.355e-08   a 2.724038939734555 1.5049e-08 au q 2.255465854879011 1.5231e-07 au i 2.729779698743304 5.134e-06 deg node 5.915406567147894 9.3042e-05 deg peri 10.8088127034898 9.412e-05 deg M 340.2102529486668 1.4953e-05 deg tp 2459290.772638543584 (2021-Mar-17.27263854) 6.8578e-05 TDB period 1642.171059154644 4.50 1.3608e-05 3.726e-08 d yr n .2192219854278278 1.8167e-09 deg/d Q 3.192612024590099 1.7638e-08 au   Orbit Determination Parameters    # obs. used (total)      457      data-arc span      8104 days (22.19 yr)      first obs. used      1998-09-26      last obs. used      2020-12-03      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .61704      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 15:36:11   Additional Information  Earth MOID = 1.25562 au   Jupiter MOID = 2.2746 au   T_jup = 3.334  [ hide covariance matrix ] Orbital Elements at Epoch 2457709.5 (2016-Nov-17.0) TDB Reference: JPL 16 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1747010726652697 5.3437e-08   q 2.247402181715684 1.5226e-07 au tp 2457649.988349415626 (2016-Sep-18.48834942) 6.1787e-05 TDB node 6.091082511084347 9.2958e-05 deg peri 10.92538890023607 9.3995e-05 deg i 2.732373514686118 5.1348e-06 deg   Orbit Determination Parameters    # obs. used (total)      457      data-arc span      8104 days (22.19 yr)      first obs. used      1998-09-26      last obs. used      2020-12-03      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .61704      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 15:36:11   Additional Information  Jupiter MOID = 2.2746 au   T_jup = 3.334  Orbit Covariance (6×6)   e q tp node peri i e 2.855466577393039E-15 -8.115962145849288E-15 -1.099372134057345E-12 8.911784159104273E-15 -1.655111645098071E-13 -2.863278615035653E-15 q -8.115962145849288E-15 2.318232439836417E-14 3.232406344396277E-12 -2.500022008037959E-14 4.961460689895235E-13 8.4077654196098E-15 tp -1.099372134057345E-12 3.232406344396277E-12 3.817628985913788E-9 7.168242217061788E-12 8.750605398006884E-10 3.642701062172251E-12 node 8.911784159104273E-15 -2.500022008037959E-14 7.168242217061788E-12 8.641104223777834E-9 -8.62871956431436E-9 -1.099582950202714E-10 peri -1.655111645098071E-13 4.961460689895235E-13 8.750605398006884E-10 -8.62871956431436E-9 8.83507817845147E-9 1.106189026400566E-10 i -2.863278615035653E-15 8.4077654196098E-15 3.642701062172251E-12 -1.099582950202714E-10 1.106189026400566E-10 2.636609421429362E-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 15.96   n/a E2021B55   101307 (1998 SU133)          Discovered 1998-Sep-26 by LINEAR at Socorro Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] Alternate Designations  1998 SU133 = 2003 YH51  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-17 20:07 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin