+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   150965 (2001 TY164) Classification: Main-belt Asteroid          SPK-ID: 2150965 [ 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 .06358572998005971 5.4481e-08   a 2.561566598479319 1.8186e-08 au q 2.398687516422473 1.3256e-07 au i 11.57134193468151 7.7938e-06 deg node 61.81416633486782 2.3635e-05 deg peri 64.67843587480537 7.1329e-05 deg M 142.5625784233152 6.8627e-05 deg tp 2458607.492829093011 (2019-May-03.99282909) 0.00028448 TDB period 1497.465771786311 4.10 1.5947e-05 4.366e-08 d yr n .2404061627202068 2.5601e-09 deg/d Q 2.724445680536165 1.9342e-08 au   Orbit Determination Parameters    # obs. used (total)      363      data-arc span      6851 days (18.76 yr)      first obs. used      2001-09-21      last obs. used      2020-06-24      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .5365      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 19:20:48   Additional Information  Earth MOID = 1.43939 au   Jupiter MOID = 2.37492 au   T_jup = 3.403  [ 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 15.96   n/a E2021B55   150965 (2001 TY164)          Discovered 2001-Oct-15 by NEAT at Palomar Reference: 20070303/Numbers.arc Last Updated: 2007-03-07 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-20 21:29 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin