+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   70687 (1999 UE15) Classification: Main-belt Asteroid          SPK-ID: 2070687 [ 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 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2612531234386188 7.2752e-08   a 2.558001559814813 1.2904e-08 au q 1.889715662552334 1.93e-07 au i 6.439692059894139 4.3599e-06 deg node 46.07107710789175 5.1395e-05 deg peri 295.7621318270214 5.2139e-05 deg M 44.01886923992188 1.1285e-05 deg tp 2458817.780029805667 (2019-Nov-30.28002981) 4.5771e-05 TDB period 1494.340731731084 4.09 1.1307e-05 3.096e-08 d yr n .2409089121079945 1.8229e-09 deg/d Q 3.226287457077292 1.6275e-08 au   Orbit Determination Parameters    # obs. used (total)      500      data-arc span      8180 days (22.40 yr)      first obs. used      1998-05-22      last obs. used      2020-10-13      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53482      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 21:59:38   Additional Information  Earth MOID = .89284 au   Jupiter MOID = 2.21576 au   T_jup = 3.379  [ 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 15.8   n/a MPO436276   70687 (1999 UE15)          Discovered 1999-Oct-29 by CSS at Catalina Reference: 20031109/Numbers.arc Last Updated: 2004-04-19 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-18 22:59 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin