+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   214554 (2006 PD20) Classification: Main-belt Asteroid          SPK-ID: 2214554 [ 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 10 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2654884878344161 5.5431e-08   a 2.328725510190212 1.3694e-08 au q 1.710475695908383 1.3095e-07 au i 6.390424013480705 7.147e-06 deg node 60.564926673504 6.539e-05 deg peri 249.7665383213851 6.6919e-05 deg M 323.9344281075306 1.8671e-05 deg tp 2459130.536778056823 (2020-Oct-08.03677806) 6.7989e-05 TDB period 1298.003543102857 3.55 1.1449e-05 3.135e-08 d yr n .2773490118057966 2.4464e-09 deg/d Q 2.94697532447204 1.733e-08 au   Orbit Determination Parameters    # obs. used (total)      174      data-arc span      7588 days (20.77 yr)      first obs. used      1999-09-08      last obs. used      2020-06-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .56609      source      ORB      producer      Otto Matic      solution date      2020-Jun-24 04:13:22   Additional Information  Earth MOID = .709161 au   Jupiter MOID = 2.3593 au   T_jup = 3.516  [ 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 17.2   n/a MPO427261   214554 (2006 PD20)          Discovered 2006-Aug-14 by Siding Spring Survey at Siding Spring Reference: 20090509/Numbers.arc Last Updated: 2009-05-11 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Sep-18 23:09 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin