+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   437537 (2013 YE117) Classification: Main-belt Asteroid          SPK-ID: 2437537 [ 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 .07270663275126867 6.1502e-08   a 2.599876414010311 4.4539e-08 au q 2.410848154378178 1.575e-07 au i 8.277538667656087 6.5941e-06 deg node 108.042208418673 4.4378e-05 deg peri 343.8919336885964 6.5254e-05 deg M 219.0805825192836 5.2031e-05 deg tp 2459599.871131626208 (2022-Jan-20.37113163) 0.00022926 TDB period 1531.184355164978 4.19 3.9346e-05 1.077e-07 d yr n .235112120095566 6.0416e-09 deg/d Q 2.788904673642445 4.7777e-08 au   Orbit Determination Parameters    # obs. used (total)      117      data-arc span      3854 days (10.55 yr)      first obs. used      2008-10-21      last obs. used      2019-05-11      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .54284      source      ORB      producer      Otto Matic      solution date      2020-Feb-26 10:12:00   Additional Information  Earth MOID = 1.42872 au   Jupiter MOID = 2.33819 au   T_jup = 3.397  [ 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 17.0   n/a MPO434611   437537 (2013 YE117)          Discovered 2008-Oct-21 by Mt. Lemmon Survey at Mount Lemmon Reference: Last Updated: 2015-06-04 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Aug-08 13:00 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin