+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   150882 (2001 SY238) Classification: Main-belt Asteroid          SPK-ID: 2150882 [ 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 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2367222562306154 3.5699e-08   a 2.342770630930563 1.1187e-08 au q 1.788184681345858 8.1665e-08 au i 3.007445262223536 4.448e-06 deg node 105.5796730768226 7.7241e-05 deg peri 217.9243315610623 7.7953e-05 deg M 164.9914210789652 9.7738e-06 deg tp 2458600.222664903016 (2019-Apr-26.72266490) 3.4129e-05 TDB period 1309.764103016535 3.59 9.3817e-06 2.569e-08 d yr n .2748586552119417 1.9688e-09 deg/d Q 2.897356580515269 1.3836e-08 au   Orbit Determination Parameters    # obs. used (total)      415      data-arc span      10133 days (27.74 yr)      first obs. used      1993-04-22      last obs. used      2021-01-18      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .48464      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 19:44:05   Additional Information  Earth MOID = .775059 au   Jupiter MOID = 2.4372 au   T_jup = 3.523  [ 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 16.7   n/a MPO502901   150882 (2001 SY238)          Discovered 2001-Sep-19 by LINEAR at Socorro Reference: 20070303/Numbers.arc Last Updated: 2007-03-07 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-12 23:30 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin