+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   150849 (2001 SZ87) Classification: Main-belt Asteroid          SPK-ID: 2150849 [ 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 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1554076776585057 4.1444e-08   a 2.382282670067751 1.7033e-08 au q 2.012057652786418 9.817e-08 au i 2.488822049683213 5.6111e-06 deg node 262.3844408871954 0.00013499 deg peri 31.30168953512893 0.00013738 deg M 123.501873732108 3.0356e-05 deg tp 2458739.756295380939 (2019-Sep-13.25629538) 0.00011002 TDB period 1343.038195700992 3.68 1.4404e-05 3.944e-08 d yr n .2680489662560191 2.8748e-09 deg/d Q 2.752507687349084 1.968e-08 au   Orbit Determination Parameters    # obs. used (total)      264      data-arc span      9569 days (26.20 yr)      first obs. used      1994-11-05      last obs. used      2021-01-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .64152      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 10:40:15   Additional Information  Earth MOID = .994483 au   Jupiter MOID = 2.42289 au   T_jup = 3.520  [ 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 17.2   n/a MPO475306   150849 (2001 SZ87)          Discovered 2001-Sep-20 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-11 11:23 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin