+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   175717 (1997 CX5) Classification: Mars-crossing Asteroid          SPK-ID: 2175717 [ 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 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1207401093890066 6.5274e-08   a 1.685376507578056 3.3548e-09 au q 1.48188396369142 1.1112e-07 au i 19.28071654562466 7.726e-06 deg node 312.7878314223005 1.5146e-05 deg peri 162.4478083299986 2.5309e-05 deg M 338.5740885828436 1.8999e-05 deg tp 2459248.064248032702 (2021-Feb-02.56424803) 4.2181e-05 TDB period 799.1785720751997 2.19 2.3862e-06 6.533e-09 d yr n .4504625281245971 1.345e-09 deg/d Q 1.888869051464693 3.7598e-09 au   Orbit Determination Parameters    # obs. used (total)      298      data-arc span      8746 days (23.95 yr)      first obs. used      1997-02-06      last obs. used      2021-01-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55006      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 11:33:40   Additional Information  Earth MOID = .502003 au   Jupiter MOID = 3.18188 au   T_jup = 4.154  [ 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 18.1   n/a MPO469886   175717 (1997 CX5)          Discovered 1997-Feb-06 by Spacewatch at Kitt Peak Reference: 20080221/Numbers.arc Last Updated: 2008-02-22 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-13 11:56 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin