+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   120150 (2003 GN54) Classification: Main-belt Asteroid          SPK-ID: 2120150 [ 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 24 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .01767472688576152 3.6741e-08   a 2.863806767910082 1.6878e-08 au q 2.813189765433676 1.0955e-07 au i 2.834722594722282 3.9151e-06 deg node 125.8117985092951 8.2773e-05 deg peri 295.2415278169178 0.00014623 deg M 319.5939410284885 0.00012141 deg tp 2459199.181754330567 (2020-Dec-15.68175433) 0.00059737 TDB period 1770.165994397852 4.85 1.5649e-05 4.284e-08 d yr n .2033707579624245 1.7979e-09 deg/d Q 2.914423770386488 1.7177e-08 au   Orbit Determination Parameters    # obs. used (total)      609      data-arc span      8157 days (22.33 yr)      first obs. used      1998-04-02      last obs. used      2020-08-01      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52287      source      ORB      producer      Otto Matic      solution date      2020-Aug-25 10:08:51   Additional Information  Earth MOID = 1.82647 au   Jupiter MOID = 2.12267 au   T_jup = 3.299  [ 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 15.6   n/a MPO417626   120150 (2003 GN54)          Discovered 2003-Apr-03 by LONEOS at Anderson Mesa Reference: 20051116/Numbers.arc Last Updated: 2005-11-21 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Oct-27 12:14 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin