+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   357949 (2005 YZ135) Classification: Main-belt Asteroid          SPK-ID: 2357949 [ 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 10 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09686262176351103 4.7791e-08   a 2.204939365895261 1.7345e-08 au q 1.991363158085073 1.0495e-07 au i 4.392414748876415 6.8044e-06 deg node 76.91405855795381 0.00011608 deg peri 340.3736102026868 0.00012866 deg M 185.8146128723769 5.763e-05 deg tp 2459579.132230904652 (2021-Dec-30.63223090) 0.00019471 TDB period 1195.895973598811 3.27 1.4111e-05 3.863e-08 d yr n .301029527607365 3.5521e-09 deg/d Q 2.41851557370545 1.9026e-08 au   Orbit Determination Parameters    # obs. used (total)      138      data-arc span      5824 days (15.95 yr)      first obs. used      2003-01-28      last obs. used      2019-01-08      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51796      source      ORB      producer      Otto Matic      solution date      2019-Jul-14 06:48:20   Additional Information  Earth MOID = 1.00412 au   Jupiter MOID = 2.83338 au   T_jup = 3.652  [ 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 17.9   n/a MPO471691   357949 (2005 YZ135)          Discovered 2005-Dec-26 by Spacewatch at Kitt Peak Reference: 20130327/Numbers.arc Last Updated: 2013-03-29 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Sep-24 00:12 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin