+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   487708 (2015 RQ34) Classification: Main-belt Asteroid          SPK-ID: 2487708 [ 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 16 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .03325156575037359 7.9068e-08   a 2.794999191901824 7.0982e-08 au q 2.70206109250006 2.2902e-07 au i 15.49167905584171 7.8262e-06 deg node 100.9355401873338 2.9361e-05 deg peri 359.1375310988286 0.00012842 deg M 281.5486362314188 0.00012306 deg tp 2459372.436631661009 (2021-Jun-06.93663166) 0.00058351 TDB period 1706.754108098594 4.67 6.5018e-05 1.78e-07 d yr n .2109266931257352 8.0351e-09 deg/d Q 2.887937291303588 7.3343e-08 au   Orbit Determination Parameters    # obs. used (total)      72      data-arc span      5526 days (15.13 yr)      first obs. used      2004-05-14      last obs. used      2019-07-01      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .58915      source      ORB      producer      Otto Matic      solution date      2019-Sep-24 08:19:37   Additional Information  Earth MOID = 1.71895 au   Jupiter MOID = 2.25405 au   T_jup = 3.273  [ hide covariance matrix ] Orbital Elements at Epoch 2457415.5 (2016-Jan-28.0) TDB Reference: JPL 16 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .0315716483907878 7.7761e-08   q 2.707867035700036 2.2479e-07 au tp 2457651.331322732512 (2016-Sep-19.83132273) 0.00062949 TDB node 101.023543294866 2.9417e-05 deg peri 356.2815319156663 0.00013736 deg i 15.47395772899085 7.8182e-06 deg   Orbit Determination Parameters    # obs. used (total)      72      data-arc span      5526 days (15.13 yr)      first obs. used      2004-05-14      last obs. used      2019-07-01      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .58915      source      ORB      producer      Otto Matic      solution date      2019-Sep-24 08:19:37   Additional Information  Jupiter MOID = 2.25405 au   T_jup = 3.273  Orbit Covariance (6×6)   e q tp node peri i e 6.04674740395912E-15 -1.663495213066765E-14 8.895631527093571E-12 4.209760419692765E-14 2.086453879888662E-12 -7.530950566435372E-15 q -1.663495213066765E-14 5.052969483077125E-14 -2.888296431171773E-11 -1.196418015062437E-13 -6.818697254135585E-12 3.10684852711401E-14 tp 8.895631527093571E-12 -2.888296431171773E-11 3.962594718628061E-7 3.102870476727123E-10 8.451260705374128E-8 1.741207590336583E-10 node 4.209760419692765E-14 -1.196418015062437E-13 3.102870476727123E-10 8.653585859972305E-10 -7.657544402090244E-10 1.237179195711984E-11 peri 2.086453879888662E-12 -6.818697254135585E-12 8.451260705374128E-8 -7.657544402090244E-10 1.886874663178674E-8 2.46300387663862E-11 i -7.530950566435372E-15 3.10684852711401E-14 1.741207590336583E-10 1.237179195711984E-11 2.46300387663862E-11 6.112411520706562E-11 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 16.7   n/a MPO450510   487708 (2015 RQ34)          Discovered 2011-Dec-24 by Mt. Lemmon Survey at Mount Lemmon Reference: Last Updated: 2017-03-14 Alternate Designations  2015 RQ34 = 2014 NM4  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Sep-21 20:28 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin