+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   227059 (2005 EW153) Classification: Inner Main-belt Asteroid          SPK-ID: 2227059 [ 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 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09817677490677239 6.1212e-08   a 1.935324257961427 1.188e-08 au q 1.745320363915932 1.1819e-07 au i 23.8580319477587 8.2592e-06 deg node 51.07747207090796 1.249e-05 deg peri 12.46686600784868 3.4327e-05 deg M 54.06872332369798 3.394e-05 deg tp 2459052.802667578698 (2020-Jul-22.30266758) 9.239e-05 TDB period 983.3973580871319 2.69 9.0547e-06 2.479e-08 d yr n .3660778596154241 3.3707e-09 deg/d Q 2.125328152006922 1.3046e-08 au   Orbit Determination Parameters    # obs. used (total)      384      data-arc span      5798 days (15.87 yr)      first obs. used      2005-03-01      last obs. used      2021-01-14      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .56145      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 13:10:41   Additional Information  Earth MOID = .758747 au   Jupiter MOID = 3.21383 au   T_jup = 3.799  [ 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 16.9   n/a MPO437075   227059 (2005 EW153)          Discovered 2005-Mar-09 by CSS at Catalina Reference: 20091202/Numbers.arc Last Updated: 2009-12-04 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-12 04:38 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin