+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   227530 (2005 YZ69) Classification: Main-belt Asteroid          SPK-ID: 2227530 [ 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 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2344681650883104 5.1862e-08   a 2.8042012454861 2.6352e-08 au q 2.146705324918619 1.5014e-07 au i 12.70123489105916 8.1963e-06 deg node 100.8214441792766 2.3454e-05 deg peri 255.9148127982978 2.9478e-05 deg M 157.9933400077998 1.5116e-05 deg tp 2458447.753970971327 (2018-Nov-25.25397097) 7.1541e-05 TDB period 1715.189832919186 4.70 2.4177e-05 6.619e-08 d yr n .2098893038488306 2.9586e-09 deg/d Q 3.461697166053581 3.253e-08 au   Orbit Determination Parameters    # obs. used (total)      299      data-arc span      5973 days (16.35 yr)      first obs. used      2004-09-15      last obs. used      2021-01-22      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .60368      source      ORB      producer      Otto Matic      solution date      2021-Feb-23 22:50:44   Additional Information  Earth MOID = 1.18172 au   Jupiter MOID = 2.12818 au   T_jup = 3.248  [ 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 15.96   n/a E2021B55   227530 (2005 YZ69)          Discovered 2005-Dec-26 by Spacewatch at Kitt Peak Reference: 20091202/Numbers.arc Last Updated: 2009-12-04 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-14 03:37 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin