+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   175355 (2005 PR19) Classification: Outer Main-belt Asteroid          SPK-ID: 2175355 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2962944130786107 3.5091e-08   a 4.00838534792228 4.4818e-08 au q 2.820723163866745 1.5029e-07 au i 1.834795537700769 4.5133e-06 deg node 122.8656574952854 0.00016323 deg peri 225.1165631426421 0.00016352 deg M 317.2656164063303 1.2526e-05 deg tp 2459548.458595399924 (2021-Nov-29.95859540) 0.00010664 TDB period 2931.248418955281 8.03 4.9161e-05 1.346e-07 d yr n .1228145651770814 2.0598e-09 deg/d Q 5.196047531977815 5.8097e-08 au   Orbit Determination Parameters    # obs. used (total)      470      data-arc span      7866 days (21.54 yr)      first obs. used      1998-12-10      last obs. used      2020-06-23      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .58153      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 21:05:02   Additional Information  Earth MOID = 1.81288 au   Jupiter MOID = .238457 au   T_jup = 2.974  [ 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 14.58   n/a E2021B55   175355 (2005 PR19)          Discovered 2005-Aug-06 by NEAT at Palomar Reference: 20080122/Numbers.arc Last Updated: 2008-01-28 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-21 00:27 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin