+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   70113 (1999 LY9) Classification: Main-belt Asteroid          SPK-ID: 2070113 [ 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 .1618175798002678 4.4901e-08   a 2.232442084848052 8.1595e-09 au q 1.871193709633676 1.0357e-07 au i 6.782068141536658 3.9139e-06 deg node 187.3224090985418 3.166e-05 deg peri 150.5833590212954 3.404e-05 deg M 36.54423139980511 1.2356e-05 deg tp 2458876.824105582920 (2020-Jan-28.32410558) 4.1628e-05 TDB period 1218.340632288859 3.34 6.6795e-06 1.829e-08 d yr n .2954838658903456 1.62e-09 deg/d Q 2.593690460062428 9.4799e-09 au   Orbit Determination Parameters    # obs. used (total)      737      data-arc span      10002 days (27.38 yr)      first obs. used      1992-04-05      last obs. used      2019-08-24      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .5613      source      ORB      producer      Otto Matic      solution date      2019-Sep-24 02:38:37   Additional Information  Earth MOID = .866053 au   Jupiter MOID = 2.80226 au   T_jup = 3.615  [ 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 16.0   n/a MPO436272   70113 (1999 LY9)          Discovered 1999-Jun-08 by LINEAR at Socorro Reference: 20031109/Numbers.arc Last Updated: 2004-04-19 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Sep-20 15:18 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin