+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   160787 (2000 SE361) Classification: Main-belt Asteroid          SPK-ID: 2160787 [ 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 21 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2498711503261141 3.206e-08   a 2.339788897646365 9.1381e-09 au q 1.755143154271197 7.6874e-08 au i 1.758173886330548 3.431e-06 deg node 259.2730509343137 0.00012417 deg peri 161.5859054791006 0.0001244 deg M 190.4880745143042 8.7453e-06 deg tp 2459816.046968804529 (2022-Aug-24.54696880) 3.4242e-05 TDB period 1307.264418917415 3.58 7.6583e-06 2.097e-08 d yr n .2753842258616101 1.6133e-09 deg/d Q 2.924434641021533 1.1421e-08 au   Orbit Determination Parameters    # obs. used (total)      580      data-arc span      7236 days (19.81 yr)      first obs. used      2000-08-31      last obs. used      2020-06-23      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .50773      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 20:02:47   Additional Information  Earth MOID = .767402 au   Jupiter MOID = 2.41896 au   T_jup = 3.522  [ 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 16.84   n/a E2021B55   160787 (2000 SE361)          Discovered 2000-Sep-23 by LONEOS at Anderson Mesa Reference: 20070828/Numbers.arc Last Updated: 2007-08-30 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-20 23:44 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin