+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   181708 (1993 FW) Classification: TransNeptunian Object          SPK-ID: 2181708 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 3 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .05228078526611911 0.00010765   a 43.90084216006994 0.0068392 au q 41.60567165809753 0.0026608 au i 7.750808767818278 0.00035892 deg node 187.9251524034813 0.00044224 deg peri 46.03867244386987 0.08602 deg M 351.3612989903572 0.077731 deg tp 2461549.991958248891 (2027-May-24.49195825) 22.513 TDB period 106244.8050864486 290.88 24.827 0.06797 d yr n .003388400964236109 7.9181e-07 deg/d Q 46.19601266204234 0.0071968 au   Orbit Determination Parameters    # obs. used (total)      67      data-arc span      5456 days (14.94 yr)      first obs. used      1993-03-28      last obs. used      2008-03-05      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      3      norm. resid. RMS      .41812      source      ORB      producer      Otto Matic      solution date      2017-Apr-11 06:37:28   Additional Information  Earth MOID = 40.5996 au   Jupiter MOID = 36.2165 au   T_jup = 5.867  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 6.8   n/a MPO475532   181708 (1993 FW)          Discovered 1993-Mar-28 by Jewitt, D. C., Luu, J. X. at Mauna Kea Reference: 20080420/Numbers.arc Last Updated: 2008-04-23 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2020-Aug-05 08:53 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin