+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   101107 (1998 RE45) Classification: Main-belt Asteroid          SPK-ID: 2101107 [ 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 16 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .08494530741697714 6.4244e-08   a 2.697935109958838 1.3378e-08 au q 2.468758182652329 1.7757e-07 au i 3.943876939212647 6.6869e-06 deg node 342.4798630768349 5.0433e-05 deg peri 353.2874906403662 5.6328e-05 deg M 339.2922880057211 2.2769e-05 deg tp 2459093.605490436813 (2020-Sep-01.10549044) 0.00010223 TDB period 1618.622886319494 4.43 1.2039e-05 3.296e-08 d yr n .2224112874238335 1.6542e-09 deg/d Q 2.927112037265347 1.4514e-08 au   Orbit Determination Parameters    # obs. used (total)      616      data-arc span      8111 days (22.21 yr)      first obs. used      1998-08-27      last obs. used      2020-11-10      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .56884      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 04:28:24   Additional Information  Earth MOID = 1.45904 au   Jupiter MOID = 2.37602 au   T_jup = 3.360  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 15.7   n/a MPO474885   101107 (1998 RE45)          Discovered 1998-Sep-14 by LINEAR at Socorro Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-28 06:38 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin