+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   437619 (2014 BU20) Classification: Main-belt Asteroid          SPK-ID: 2437619 [ 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 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1174176378083529 5.2337e-08   a 2.370675500108301 2.9903e-08 au q 2.092316382875449 1.2544e-07 au i 7.520289975388995 6.0917e-06 deg node 128.2335479764317 4.0824e-05 deg peri 221.400031467747 5.7424e-05 deg M 48.11837147306242 3.4884e-05 deg tp 2458822.296998807119 (2019-Dec-04.79699881) 0.0001314 TDB period 1333.234655818542 3.65 2.5226e-05 6.907e-08 d yr n .2700199836757 5.109e-09 deg/d Q 2.649034617341153 3.3414e-08 au   Orbit Determination Parameters    # obs. used (total)      151      data-arc span      7089 days (19.41 yr)      first obs. used      2000-05-04      last obs. used      2019-10-01      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50621      source      ORB      producer      Otto Matic      solution date      2019-Nov-08 15:45:37   Additional Information  Earth MOID = 1.09151 au   Jupiter MOID = 2.73739 au   T_jup = 3.524  [ 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 MPO495169   437619 (2014 BU20)          Discovered 2011-Mar-27 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-04 12:33 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin