+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   187896 (2000 SJ189) Classification: Main-belt Asteroid          SPK-ID: 2187896 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1162960626469296 4.6801e-08   a 2.735460560474812 2.0423e-08 au q 2.417337267765628 1.2805e-07 au i 13.72633221394535 5.7071e-06 deg node 222.4688770379043 1.8758e-05 deg peri 154.721692939278 2.8555e-05 deg M 159.998462398576 2.2787e-05 deg tp 2458466.058140510849 (2018-Dec-13.55814051) 0.00010165 TDB period 1652.510064487016 4.52 1.8506e-05 5.067e-08 d yr n .2178504129787274 2.4397e-09 deg/d Q 3.053583853183996 2.2798e-08 au   Orbit Determination Parameters    # obs. used (total)      569      data-arc span      7498 days (20.53 yr)      first obs. used      2000-09-05      last obs. used      2021-03-17      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .51233      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 21:57:16   Additional Information  Earth MOID = 1.42635 au   Jupiter MOID = 2.4119 au   T_jup = 3.301  [ 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 15.49   n/a E2021B55   187896 (2000 SJ189)          Discovered 2000-Sep-22 by NEAT at Haleakala Reference: 20080618/Numbers.arc Last Updated: 2008-06-20 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-17 15:49 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin