+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   351P/Wiegert-PANSTARRS Classification: Jupiter-family Comet          SPK-ID: 1003473 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2457042.5 (2015-Jan-20.0) TDB Reference: JPL 6 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .295132764019968 1.8507e-05   a 4.4284051777113 6.9367e-06 au q 3.121437717413026 8.6832e-05 au i 12.78931546729443 0.0002969 deg node 283.5017690707385 0.00083358 deg peri 352.3652447712958 0.0035396 deg M 328.190835242565 0.0033208 deg tp 2457343.259404669342 (2015-Nov-16.75940467) 0.030695 TDB period 3403.842461963905 9.32 0.0079977 2.19e-05 d yr n .1057628265769655 2.485e-07 deg/d Q 5.735372638009572 8.9839e-06 au   Orbit Determination Parameters    # obs. used (total)      56      data-arc span      6526 days (17.87 yr)      first obs. used      1998-10-18      last obs. used      2016-08-30      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      3      norm. resid. RMS      .77226      source      ORB      producer      Otto Matic      solution date      2017-Jun-12 12:24:35   Additional Information  Earth MOID = 2.10359 au   Jupiter MOID = .456688 au   T_jup = 2.894  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes comet total magnitude M1 12.5   0.7 6 2 parameter fit from 42 observations, autocmod 2.6i comet total magnitude slope K1 11.   n/a 6 autocmod 2.6i comet nuclear magnitude M2 15.4   0.4 6 from 7 observations, autocmod 2.6i comet nuclear magnitude slope K2 5.   n/a 6 autocmod 2.6i comet nuclear phase coefficient PC 0.03   n/a 6 autocmod 2.6i [ show close-approach data ] Alternate Designations  Perihelion  Year (est.)  New-Style  Desig Roman  Numeral  Year/  Letter   2015.9   351P/2016 P2         2006.6   351P/2007 R11         1997.2   351P/1998 U8        [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Feb-25 17:03 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin