+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   136453 (2005 EO173) Classification: Main-belt Asteroid          SPK-ID: 2136453 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2128341115768752 4.9963e-08   a 2.287691244741381 1.3423e-08 au q 1.800792511104653 1.1708e-07 au i 6.247658917258812 5.5942e-06 deg node 194.7717845499833 3.6789e-05 deg peri 137.3964163861584 3.8473e-05 deg M 350.0866809805673 1.3547e-05 deg tp 2459035.302554610942 (2020-Jul-04.80255461) 4.7766e-05 TDB period 1263.847116730446 3.46 1.1123e-05 3.045e-08 d yr n .2848445790906377 2.5069e-09 deg/d Q 2.774589978378109 1.628e-08 au   Orbit Determination Parameters    # obs. used (total)      523      data-arc span      7232 days (19.80 yr)      first obs. used      1999-07-13      last obs. used      2019-05-01      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .59304      source      ORB      producer      Otto Matic      solution date      2019-Jul-14 02:53:27   Additional Information  Earth MOID = .796836 au   Jupiter MOID = 2.62124 au   T_jup = 3.563  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 16.2   n/a MPO469435   136453 (2005 EO173)          Discovered 2005-Mar-08 by LONEOS at Anderson Mesa Reference: 20060907/Numbers.arc Last Updated: 2006-09-10 [ hide close-approach data ] Close-Approach Data   ...sorted by Date/Time (TDB) Date/Time (TDB) Time Uncertainty (days_HH:MM) Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified 2074-Aug-08 02:04 < 00:01 Amphi 0.0202998697160388 0.0202921832455158 0.0203075572590382 5.12770688116893 5.12770682594127 2478792.586226205 0.577655212512799 448.951451386087 40.7499882777854 31.5465937217546 39399.014893087 T 18 CATAB v2.0e-lin.ifort 2019-Jul-14 02:53:48 2019-Jul-14 02:53 Alternate Designations  2005 EO173 = 2003 XH27  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Jul-02 13:52 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin