+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 27 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .01789611043459053 3.5984e-08   a 2.864443842790012 1.4135e-08 au q 2.813181439445759 1.0531e-07 au i 2.834711395967789 3.304e-06 deg node 125.8105451190977 8.0161e-05 deg peri 295.1551777128412 0.00012822 deg M .3550490679925493 9.9049e-05 deg tp 2459198.753595782134 (2020-Dec-15.25359578) 0.0004872 TDB period 1770.756706915459 4.85 1.3107e-05 3.589e-08 d yr n .2033029148465552 1.5049e-09 deg/d Q 2.915706246134265 1.4388e-08 au   Orbit Determination Parameters    # obs. used (total)      700      data-arc span      8324 days (22.79 yr)      first obs. used      1998-04-02      last obs. used      2021-01-15      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51179      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 09:24:15   Additional Information  Earth MOID = 1.82557 au   Jupiter MOID = 2.12144 au   T_jup = 3.298  [ 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 ] 2021-Mar-02 21:02 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin