+ 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 11 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09686264117821652 4.6984e-08   a 2.204939374032569 1.6757e-08 au q 1.991363122625931 1.0232e-07 au i 4.392425762228428 5.823e-06 deg node 76.91417347992922 7.1845e-05 deg peri 340.3734499431338 8.3521e-05 deg M 185.8146503858777 4.8444e-05 deg tp 2459579.132109490460 (2021-Dec-30.63210949) 0.00016589 TDB period 1195.895980218975 3.27 1.3633e-05 3.733e-08 d yr n .3010295259409451 3.4316e-09 deg/d Q 2.418515625439207 1.838e-08 au   Orbit Determination Parameters    # obs. used (total)      164      data-arc span      6357 days (17.40 yr)      first obs. used      2003-01-28      last obs. used      2020-06-24      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .56072      source      ORB      producer      Otto Matic      solution date      2020-Nov-11 16:25:59   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 ] 2021-Jan-20 17:54 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin