+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   187070 (2005 MG52) Classification: Main-belt Asteroid          SPK-ID: 2187070 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1260610365456598 4.2405e-08   a 2.310773549001418 1.4994e-08 au q 2.019475040192007 9.7442e-08 au i 7.601693708804559 4.1038e-06 deg node 93.7733560583977 3.7935e-05 deg peri 206.9882443197669 4.3918e-05 deg M 141.0869777557321 2.0071e-05 deg tp 2458697.672596729344 (2019-Aug-02.17259673) 7.1895e-05 TDB period 1283.023196448632 3.51 1.2487e-05 3.419e-08 d yr n .2805872886760495 2.7309e-09 deg/d Q 2.60207205781083 1.6884e-08 au   Orbit Determination Parameters    # obs. used (total)      307      data-arc span      6676 days (18.28 yr)      first obs. used      2002-10-09      last obs. used      2021-01-18      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .5667      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 21:53:53   Additional Information  Earth MOID = 1.0049 au   Jupiter MOID = 2.58124 au   T_jup = 3.562  [ 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 16.7   n/a MPO436925   187070 (2005 MG52)          Discovered 2005-Jun-30 by LONEOS at Anderson Mesa Reference: 20080520/Numbers.arc Last Updated: 2008-05-22 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-23 18:31 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin