+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   259163 (2002 YP11) Classification: Inner Main-belt Asteroid          SPK-ID: 2259163 [ 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 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .07336046099929261 6.1101e-08   a 1.922726177059686 9.1767e-09 au q 1.78167409833518 1.1857e-07 au i 23.3466114814121 7.5036e-06 deg node 103.6960652983466 1.2473e-05 deg peri 11.28913259312431 3.8879e-05 deg M 179.2263979179197 3.775e-05 deg tp 2458515.687218272705 (2019-Feb-01.18721827) 0.00010105 TDB period 973.8107971224017 2.67 6.9716e-06 1.909e-08 d yr n .3696816682088506 2.6466e-09 deg/d Q 2.063778255784192 9.8499e-09 au   Orbit Determination Parameters    # obs. used (total)      325      data-arc span      6440 days (17.63 yr)      first obs. used      2002-12-31      last obs. used      2020-08-18      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57783      source      ORB      producer      Otto Matic      solution date      2020-Nov-11 23:11:59   Additional Information  Earth MOID = .800245 au   Jupiter MOID = 3.07068 au   T_jup = 3.819  [ 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 16.8   n/a MPO470760   259163 (2002 YP11)          Discovered 2002-Dec-31 by LINEAR at Socorro Reference: 20110119/Numbers.arc Last Updated: 2011-01-25 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-22 22:02 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin