+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   118554 (2000 EM175) Classification: Main-belt Asteroid          SPK-ID: 2118554 [ 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 24 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09817129382800731 3.2522e-08   a 2.238928477635857 9.9322e-09 au q 2.019129972197975 7.1131e-08 au i 5.153673952759189 3.6315e-06 deg node 115.4560325105734 4.6001e-05 deg peri 337.0823076577762 5.12e-05 deg M 137.8975130092206 2.2174e-05 deg tp 2458731.780857720288 (2019-Sep-05.28085772) 7.5243e-05 TDB period 1223.654346901916 3.35 8.1424e-06 2.229e-08 d yr n .2942007282624039 1.9577e-09 deg/d Q 2.45872698307374 1.0907e-08 au   Orbit Determination Parameters    # obs. used (total)      678      data-arc span      7399 days (20.26 yr)      first obs. used      2000-02-16      last obs. used      2020-05-20      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .5208      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 16:57:48   Additional Information  Earth MOID = 1.03673 au   Jupiter MOID = 2.6695 au   T_jup = 3.624  [ 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 16.37   n/a E2021B55   118554 (2000 EM175)          Discovered 2000-Mar-02 by CSS at Catalina Reference: 20051116/Numbers.arc Last Updated: 2005-11-21 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-21 22:11 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin