+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   187323 (2005 UY59) Classification: Main-belt Asteroid          SPK-ID: 2187323 [ 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 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1757864846617213 4.4061e-08   a 2.578076658282902 1.9045e-08 au q 2.124885625334913 1.2177e-07 au i 12.33084775076526 8.9423e-06 deg node 225.8350936403386 2.3435e-05 deg peri 55.08464002353512 4.0662e-05 deg M 348.9456802301635 3.4841e-05 deg tp 2459246.927114185868 (2021-Feb-01.42711419) 0.00014662 TDB period 1511.966494086659 4.14 1.6754e-05 4.587e-08 d yr n .2381005144015886 2.6384e-09 deg/d Q 3.031267691230891 2.2393e-08 au   Orbit Determination Parameters    # obs. used (total)      670      data-arc span      7290 days (19.96 yr)      first obs. used      2000-06-10      last obs. used      2020-05-26      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .51233      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 21:54:55   Additional Information  Earth MOID = 1.13365 au   Jupiter MOID = 2.13482 au   T_jup = 3.372  [ 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 15.62   n/a E2021B55   187323 (2005 UY59)          Discovered 2005-Oct-25 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-15 13:24 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin