+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   118228 (1996 TQ66) Classification: TransNeptunian Object          SPK-ID: 2118228 [ 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 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1203960359420373 0.00015255   a 39.25878765059281 0.0087447 au q 34.53218524157123 0.0017136 au i 14.6591223368606 0.00011297 deg node 10.67843146757556 0.0002421 deg peri 17.97766230069097 0.022012 deg M 32.65844195352295 0.0276 deg tp 2450849.766114407085 (1998-Feb-05.26611441) 4.2793 TDB period 89847.03566046643 245.99 30.02 0.08219 d yr n .004006809989374012 1.3387e-06 deg/d Q 43.98539005961439 0.0097976 au   Orbit Determination Parameters    # obs. used (total)      63      data-arc span      7714 days (21.12 yr)      first obs. used      1996-10-08      last obs. used      2017-11-21      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      3      norm. resid. RMS      .29524      source      ORB      producer      Otto Matic      solution date      2018-Feb-06 06:41:51   Additional Information  Earth MOID = 33.5403 au   Jupiter MOID = 29.5971 au   T_jup = 5.409  [ 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 6.9   n/a MPO338090   118228 (1996 TQ66)          Discovered 1996-Oct-08 by Chen, J., Jewitt, D. C., Trujillo, C. A., Luu, J. X. at Mauna Kea Reference: 20051116/Numbers.arc Last Updated: 2005-11-21 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2020-Jul-04 21:49 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin