+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   523443 (2017 FE9) Classification: Main-belt Asteroid          SPK-ID: 2523443 [ 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 8 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .06323912514868713 6.1814e-08   a 2.772751619445894 6.1074e-08 au q 2.59740523277753 2.0335e-07 au i 13.28732456195141 7.2931e-06 deg node 130.1895217368522 3.4876e-05 deg peri 316.8260191266175 8.8661e-05 deg M 331.7642478495196 8.3247e-05 deg tp 2459132.770117271051 (2020-Oct-10.27011727) 0.00039189 TDB period 1686.416638161642 4.62 5.5718e-05 1.525e-07 d yr n .2134703796521096 7.053e-09 deg/d Q 2.948098006114258 6.4936e-08 au   Orbit Determination Parameters    # obs. used (total)      68      data-arc span      2798 days (7.66 yr)      first obs. used      2012-01-30      last obs. used      2019-09-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .70023      source      ORB      producer      Otto Matic      solution date      2019-Nov-08 20:12:45   Additional Information  Earth MOID = 1.62879 au   Jupiter MOID = 2.17671 au   T_jup = 3.295  [ 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 17.3   n/a MPO448239   523443 (2017 FE9)          Discovered 2012-Jan-30 by Spacewatch at Kitt Peak Reference: Last Updated: 2018-05-31 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-20 20:55 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin