+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   437275 (2012 XL150) Classification: Main-belt Asteroid          SPK-ID: 2437275 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 9 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .06074117336548297 1.7471e-07   a 3.128684622897987 5.9917e-08 au q 2.93864464781262 5.1784e-07 au i 27.64102774826009 1.2008e-05 deg node 66.56535363645366 1.6884e-05 deg peri 14.09205701820486 0.00012174 deg M 110.497860405023 0.00010577 deg tp 2458380.070447082281 (2018-Sep-18.57044708) 0.00059883 TDB period 2021.34808974297 5.53 5.8066e-05 1.59e-07 d yr n .1780989636702191 5.1161e-09 deg/d Q 3.318724597983355 6.3556e-08 au   Orbit Determination Parameters    # obs. used (total)      81      data-arc span      6709 days (18.37 yr)      first obs. used      2001-12-15      last obs. used      2020-04-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .56918      source      ORB      producer      Otto Matic      solution date      2020-May-22 03:40:36   Additional Information  Earth MOID = 1.95653 au   Jupiter MOID = 2.02565 au   T_jup = 3.034  [ 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 15.7   n/a MPO247364   437275 (2012 XL150)          Discovered 2001-Dec-15 by LINEAR at Socorro Reference: Last Updated: 2015-06-04 Alternate Designations  2012 XL150 = 2001 XD224  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Aug-08 01:16 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin