+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   C/2012 F3 (PANSTARRS) Classification: Hyperbolic Comet          SPK-ID: 1003181 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] [ show orbit diagram ] Orbital Elements at Epoch 2456282.5 (2012-Dec-21.0) TDB Reference: JPL 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 1.000350160379036 0.00013043   a -9863.748812900472 3674.7 AU q 3.453894023040158 0.00019527 AU i 11.36186231830475 0.00023183 deg node 164.6334848298982 0.00020449 deg peri 104.0892926224089 0.0021373 deg M 359.9991578112961 0.00047055 deg tp 2457119.582657352640 (2015-Apr-07.08265735) 0.078635 JED period n/a n/a n/a n/a d yr n 1.006099811687934E-6 5.6223e-07 deg/d Q n/a n/a AU   Orbit Determination Parameters    # obs. used (total)      117      data-arc span      470 days (1.29 yr)      first obs. used      2012-01-19      last obs. used      2013-05-03      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      fit RMS      .5127      data source      ORB      producer      Otto Matic      solution date      2013-May-07 16:13:10   Additional Information  Earth MOID = 2.46412 AU   T_jup = 2.259  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes comet total magnitude M1 5.2 mag 0.5 15 from 52 observations, assumed slope, autocmod 2.5c comet total magnitude slope K1 11.   n/a 15 autocmod 2.5c comet nuclear magnitude M2 10.2 mag 0.4 15 from 47 observations, autocmod 2.5c comet nuclear magnitude slope K2 5.   n/a 15 autocmod 2.5c comet nuclear phase coefficient PC 0.03   n/a 15 autocmod 2.5c [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] 2013-May-22 06:25 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin