+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   P/2012 G1 (PANSTARRS) Classification: Jupiter-family Comet          SPK-ID: 1003185 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] [ show orbit diagram ] Orbital Elements at Epoch 2456032.5 (2012-Apr-15.0) TDB Reference: JPL 1 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .3839730094782354 0.062205   a 4.176531437942105 0.25161 AU q 2.572856092535013 0.13909 AU i 11.66974939349826 0.25687 deg node 282.4728794397738 2.816 deg peri 287.0506387709204 20.629 deg M 354.2118577906514 6.4486 deg tp 2456082.625503854461 (2012-Jun-04.12550385) 60.119 JED period 3117.611961651629 8.54 281.72 0.7713 d yr n .1154729980601182 0.010435 deg/d Q 5.780206783349197 0.34822 AU   Orbit Determination Parameters    # obs. used (total)      16      data-arc span      3 days      first obs. used      2012-04-13      last obs. used      2012-04-16      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      9      fit RMS      .33802      data source      ORB      producer      Otto Matic      solution date      2012-Apr-17 11:50:02   Additional Information  Earth MOID = 1.59804 AU   T_jup = 2.866  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes comet total magnitude M1 15.2 mag 0.5 1 from 11 observations, assumed slope, autocmod 2.5b comet total magnitude slope K1 10.   n/a 1 autocmod 2.5b Alternate Designations  Perihelion  Year (est.)  New-Style  Desig Roman  Numeral  Year/  Letter   2012.4   P/2012 G1        [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] 2013-May-19 14:10 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin