+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   160650 (1999 XB75) Classification: Main-belt Asteroid          SPK-ID: 2160650 [ 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 22 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2147714753217075 3.4521e-08   a 2.578217059092178 1.0637e-08 au q 2.024489577611357 9.1218e-08 au i 2.97657103107445 4.0198e-06 deg node 86.478310484397 8.7009e-05 deg peri 299.8994756111305 8.7914e-05 deg M 65.64552699799792 1.3558e-05 deg tp 2458924.772373910934 (2020-Mar-16.27237391) 5.5947e-05 TDB period 1512.090007215436 4.14 9.3578e-06 2.562e-08 d yr n .2380810654670961 1.4734e-09 deg/d Q 3.131944540573 1.2922e-08 au   Orbit Determination Parameters    # obs. used (total)      778      data-arc span      7759 days (21.24 yr)      first obs. used      1999-12-07      last obs. used      2021-03-05      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .50777      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 20:02:13   Additional Information  Earth MOID = 1.02968 au   Jupiter MOID = 2.32165 au   T_jup = 3.391  [ 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 15.8   n/a MPO502932   160650 (1999 XB75)          Discovered 1999-Dec-07 by LINEAR at Socorro Reference: 20070828/Numbers.arc Last Updated: 2007-08-30 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-15 15:48 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin