+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   183369 (2002 XZ15) Classification: Main-belt Asteroid          SPK-ID: 2183369 [ 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 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1389885590300998 6.1049e-08   a 2.62651864754186 1.7273e-08 au q 2.26146260545433 1.676e-07 au i 10.23058647931136 5.9576e-06 deg node 329.3157552067847 2.6792e-05 deg peri 133.9011765087831 3.4164e-05 deg M 6.388876679385801 1.9323e-05 deg tp 2458972.907492823993 (2020-May-03.40749282) 8.3417e-05 TDB period 1554.780766924633 4.26 1.5337e-05 4.199e-08 d yr n .2315438984443334 2.284e-09 deg/d Q 2.99157468962939 1.9673e-08 au   Orbit Determination Parameters    # obs. used (total)      373      data-arc span      9120 days (24.97 yr)      first obs. used      1995-02-05      last obs. used      2020-01-25      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .54744      source      ORB      producer      Otto Matic      solution date      2020-Feb-24 19:35:12   Additional Information  Earth MOID = 1.29107 au   Jupiter MOID = 2.14336 au   T_jup = 3.366  [ 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 16.1   n/a MPO454261   183369 (2002 XZ15)          Discovered 2002-Dec-03 by NEAT at Palomar Reference: 20080420/Numbers.arc Last Updated: 2008-04-23 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Nov-24 01:24 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin