+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   245P/WISE Classification: Jupiter-family Comet          SPK-ID: 1003095 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2455043.5 (2009-Jul-31.0) TDB Reference: JPL 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .4661520600917717 2.4476e-06   a 4.007581049978178 1.6718e-07 au q 2.139438887546105 9.7341e-06 au i 21.08781758387327 9.9277e-05 deg node 318.5272189556126 0.00012143 deg peri 316.3993653490248 0.00057537 deg M 336.8380792089781 0.00014429 deg tp 2455232.035861479889 (2010-Feb-04.53586148) 0.0011674 TDB period 2930.366213801633 8.02 0.00018336 5.02e-07 d yr n .1228515392732991 7.6872e-09 deg/d Q 5.875723212410251 2.4511e-07 au   Orbit Determination Parameters    # obs. used (total)      100      data-arc span      5882 days (16.10 yr)      first obs. used      2002-08-27      last obs. used      2018-10-04      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      1      norm. resid. RMS      .68752      source      ORB      producer      Otto Matic      solution date      2018-Oct-25 14:45:47   Additional Information  Earth MOID = 1.17106 au   Jupiter MOID = .322776 au   T_jup = 2.747  [ 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 13.9   0.9 15 from 31 observations, assumed slope, autocmod 2.6n comet total magnitude slope K1 13.   n/a 15 autocmod 2.6n comet nuclear magnitude M2 17.0   0.7 15 from 42 observations, autocmod 2.6n comet nuclear magnitude slope K2 5.   n/a 15 autocmod 2.6n comet nuclear phase coefficient PC 0.03   n/a 15 autocmod 2.6n [ show close-approach data ] Alternate Designations  Perihelion  Year (est.)  New-Style  Desig Roman  Numeral  Year/  Letter   2010.1   245P/2010 L1         2002.1   245P/2002 Q16        [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Mar-07 09:49 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin