+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2005 YO3) Classification: Aten [NEO]          SPK-ID: 3309091 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 9 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .3733014570587228 0.00065353   a .7595041533713759 0.00022148 au q .4759801462756896 0.00063516 au i 12.80398774230067 0.038619 deg node 274.2497393220251 0.0084109 deg peri 20.12491536781586 0.0036753 deg M 62.99060550593067 3.7943 deg tp 2458958.197411869132 (2020-Apr-18.69741187) 2.5296 TDB period 241.7651267962279 0.66 0.10575 0.0002895 d yr n 1.489048502447694 0.00065133 deg/d Q 1.043028160467062 0.00030416 au   Orbit Determination Parameters    # obs. used (total)      21      data-arc span      13 days      first obs. used      2005-12-23      last obs. used      2006-01-05      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      7      norm. resid. RMS      .53309      source      ORB      producer      Otto Matic      solution date      2017-Apr-06 09:09:36   Additional Information  Earth MOID = .016637 au   Jupiter MOID = 4.12877 au   T_jup = 7.542  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 25.1   n/a MPO98031   [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2020-Aug-13 03:48 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin