+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   187523 (2006 UC12) Classification: Main-belt Asteroid          SPK-ID: 2187523 [ 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 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .002519880965096589 5.9206e-08   a 2.318024248135708 1.1771e-08 au q 2.312183102956198 1.4012e-07 au i 9.067116345555771 5.8312e-06 deg node 200.3066388503631 2.2671e-05 deg peri 198.8313109510361 0.00072005 deg M .428467592287425 0.00071992 deg tp 2459198.965768598997 (2020-Dec-15.46576860) 0.0025778 TDB period 1289.066697932507 3.53 9.8185e-06 2.688e-08 d yr n .2792718178022849 2.1271e-09 deg/d Q 2.323865393315217 1.18e-08 au   Orbit Determination Parameters    # obs. used (total)      361      data-arc span      9778 days (26.77 yr)      first obs. used      1994-04-06      last obs. used      2021-01-12      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .54202      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 11:56:54   Additional Information  Earth MOID = 1.31169 au   Jupiter MOID = 2.64375 au   T_jup = 3.563  [ 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 16.90   n/a E2021B55   187523 (2006 UC12)          Discovered 2006-Oct-17 by Mt. Lemmon Survey at Mount Lemmon Reference: 20080520/Numbers.arc Last Updated: 2008-05-22 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-12 02:16 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin