+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   160256 (2002 PD149) Classification: TransNeptunian Object          SPK-ID: 2160256 [ 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 6 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .05744129146155206 0.00018142   a 43.08626451159095 0.012007 au q 40.61133383379113 0.018995 au i 4.905816709599549 0.00010651 deg node 103.4151908886187 0.0040636 deg peri 38.42369261944047 0.13394 deg M 230.4005812916932 0.13309 deg tp 2496188.878683039577 (2122-Mar-26.37868304) 26.279 TDB period 103301.5152330783 282.82 43.181 0.1182 d yr n .003484944041602248 1.4567e-06 deg/d Q 45.56119518939078 0.012697 au   Orbit Determination Parameters    # obs. used (total)      31      data-arc span      6258 days (17.13 yr)      first obs. used      2000-08-25      last obs. used      2017-10-13      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      4      norm. resid. RMS      .1876      source      ORB      producer      Otto Matic      solution date      2020-Feb-24 13:16:41   Additional Information  Earth MOID = 39.6257 au   Jupiter MOID = 35.2435 au   T_jup = 5.845  [ 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 6.3   n/a MPO157319   160256 (2002 PD149)          Discovered 2002-Aug-10 by Buie, M. W. at Cerro Tololo Reference: 20070730/Numbers.arc Last Updated: 2007-08-06 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2020-Oct-25 06:31 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin