+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   59461 (1999 GO45) Classification: Main-belt Asteroid          SPK-ID: 2059461 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 25 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09003244262152023 4.7145e-08   a 2.646496652514556 1.2327e-08 au q 2.408226094498994 1.215e-07 au i 15.87896112054145 4.4381e-06 deg node 57.65880981293375 1.48e-05 deg peri 15.20965177714348 4.1158e-05 deg M 87.10545056591161 3.4659e-05 deg tp 2458620.005589653551 (2019-May-16.50558965) 0.00015179 TDB period 1572.553575405389 4.31 1.0987e-05 3.008e-08 d yr n .2289270175785239 1.5995e-09 deg/d Q 2.884767210530118 1.3437e-08 au   Orbit Determination Parameters    # obs. used (total)      1590      data-arc span      8180 days (22.40 yr)      first obs. used      1997-12-06      last obs. used      2020-04-29      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .4861      source      ORB      producer      Otto Matic      solution date      2020-May-20 11:45:52   Additional Information  Earth MOID = 1.42476 au   Jupiter MOID = 2.44978 au   T_jup = 3.332  [ 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 14.1   n/a MPO452975   59461 (1999 GO45)          Discovered 1999-Apr-12 by LINEAR at Socorro Reference: 20030614/Numbers.arc Last Updated: 2004-04-19 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Oct-25 06:16 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin