+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   390693 (2002 XB115) Classification: Inner Main-belt Asteroid          SPK-ID: 2390693 [ 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 16 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .08780410305607078 1.1404e-07   a 1.889190399303676 1.0294e-08 au q 1.723311730790677 2.1698e-07 au i 23.66504264490033 8.6525e-06 deg node 86.35948488617615 1.6989e-05 deg peri 316.2014546718519 4.5916e-05 deg M 288.8004032920365 4.0052e-05 deg tp 2459188.080225923568 (2020-Dec-04.58022592) 0.00010592 TDB period 948.4447167512061 2.60 7.7517e-06 2.122e-08 d yr n .379568775745982 3.1022e-09 deg/d Q 2.055069067816676 1.1197e-08 au   Orbit Determination Parameters    # obs. used (total)      203      data-arc span      6503 days (17.80 yr)      first obs. used      2002-11-17      last obs. used      2020-09-06      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50803      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 16:39:03   Additional Information  Earth MOID = .767449 au   Jupiter MOID = 3.24908 au   T_jup = 3.854  [ 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 17.7   n/a MPO360831   390693 (2002 XB115)          Discovered 2002-Dec-05 by NEAT at Haleakala Reference: Last Updated: 2014-04-17 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-20 19:53 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin