+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 28 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09008527912739853 4.5992e-08   a 2.646011941206393 1.2104e-08 au q 2.407645216908386 1.1871e-07 au i 15.87992339394268 4.4011e-06 deg node 57.654792491733 1.4665e-05 deg peri 15.09635047060505 3.9535e-05 deg M 133.0178605015072 3.327e-05 deg tp 2458619.610422880186 (2019-May-16.11042288) 0.00014571 TDB period 1572.121570552277 4.30 1.0788e-05 2.954e-08 d yr n .2289899246618276 1.5713e-09 deg/d Q 2.884378665504401 1.3195e-08 au   Orbit Determination Parameters    # obs. used (total)      1662      data-arc span      8468 days (23.18 yr)      first obs. used      1997-12-06      last obs. used      2021-02-11      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .4906      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 11:37:15   Additional Information  Earth MOID = 1.42355 au   Jupiter MOID = 2.45085 au   T_jup = 3.333  [ 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 14.18   n/a E2021B10   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 ] 2021-Apr-14 12:40 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin