+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2015 GN55) Classification: TransNeptunian Object          SPK-ID: 3831050 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 2 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .4156307043289563 0.0024783   a 55.35194234136161 0.13971 au q 32.3459755600457 0.056183 au i 8.339167752046645 0.0036632 deg node 188.7409500144205 0.0058961 deg peri 164.450034910033 0.62702 deg M 244.0569069635286 1.4038 deg tp 2507644.512314339496 (2153-Aug-06.01231434) 403.37 TDB period 150417.2777905476 411.82 569.48 1.559 d yr n .002393342076708045 9.0612e-06 deg/d Q 78.35790912267751 0.19777 au   Orbit Determination Parameters    # obs. used (total)      32      data-arc span      891 days (2.44 yr)      first obs. used      2015-02-17      last obs. used      2017-07-27      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      6      norm. resid. RMS      .17562      source      ORB      producer      Otto Matic      solution date      2021-Apr-15 13:31:06   Additional Information  Earth MOID = 31.3402 au   Jupiter MOID = 27.3892 au   T_jup = 5.964  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 5.8   .20457 E2018T36 autocmod 2.6n [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] 2021-Apr-19 23:10 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin