+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   P/2012 F2 (PANSTARRS) Classification: Jupiter-family Comet          SPK-ID: 1003180 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2456090.5 (2012-Jun-12.0) TDB Reference: JPL 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .5422402871019345 3.3893e-05   a 6.328034292309766 0.00049799 AU q 2.896719160856832 2.2856e-05 AU i 14.72489572414601 8.8153e-05 deg node 227.13558948 0.00027513 deg peri 33.21725107480744 0.001567 deg M 341.2949906970891 0.0024944 deg tp 2456392.604427830820 (2013-Apr-10.10442783) 0.0064183 JED period 5814.356585332999 15.92 0.68634 0.001879 d yr n .06191570721825312 7.3087e-06 deg/d Q 9.759349423762702 0.00076801 AU   Orbit Determination Parameters    # obs. used (total)      46      data-arc span      394 days (1.08 yr)      first obs. used      2012-03-16      last obs. used      2013-04-14      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      4      fit RMS      .48056      data source      ORB      producer      Otto Matic      solution date      2013-Apr-29 12:31:15   Additional Information  Earth MOID = 1.89588 AU   T_jup = 2.615  [ 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 9.0 mag 0.5 14 2 parameter fit from 26 observations, autocmod 2.5c comet total magnitude slope K1 13.   n/a 14 autocmod 2.5c comet nuclear magnitude M2 13.9 mag 0.6 14 from 8 observations, autocmod 2.5c comet nuclear magnitude slope K2 5.   n/a 14 autocmod 2.5c comet nuclear phase coefficient PC 0.03   n/a 14 autocmod 2.5c [ show close-approach data ] Alternate Designations  Perihelion  Year (est.)  New-Style  Desig Roman  Numeral  Year/  Letter   2013.3   P/2012 F2        [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ] 2013-Jun-19 01:33 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin