+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   P/2010 T2 (PANSTARRS) Classification: Jupiter-family Comet          SPK-ID: 1003107 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2455490.5 (2010-Oct-21.0) TDB Reference: JPL 7 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .3238810711582552 0.00036673   a 5.551201063220088 0.0017941 AU q 3.753272116649521 0.00083929 AU i 8.007618536299093 0.00044629 deg node 59.66923865584286 0.0029093 deg peri 355.9173337956435 0.059325 deg M 340.2782759457724 0.014777 deg tp 2455752.210556220456 (2011-Jul-09.71055622) 0.32021 JED period 4777.259836934385 13.08 2.3159 0.006341 d yr n .07535700637774301 3.6532e-05 deg/d Q 7.349130009790654 0.0023751 AU   Orbit Determination Parameters    # obs. used (total)      32      data-arc span      88 days      first obs. used      2010-10-06      last obs. used      2011-01-02      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      5      fit RMS      .78272      data source      ORB      producer      Otto Matic      solution date      2011-Sep-14 21:24:15   Additional Information  Earth MOID = 2.76484 AU   T_jup = 2.873  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes comet total magnitude M1 6.4 mag 0.7 7 from 22 observations, assumed slope, autocmod 2.5a comet total magnitude slope K1 19.   n/a 7 autocmod 2.5a comet nuclear magnitude M2 14.5 mag 0.2 7 from 7 observations, autocmod 2.5a comet nuclear magnitude slope K2 5.   n/a 7 autocmod 2.5a comet nuclear phase coefficient PC 0.03   n/a 7 autocmod 2.5a [ show close-approach data ] Alternate Designations  Perihelion  Year (est.)  New-Style  Desig Roman  Numeral  Year/  Letter   2011.5   P/2010 T2        [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ] 2013-Jun-19 08:25 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin