+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   223P/Skiff Classification: Jupiter-family Comet          SPK-ID: 1000412 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2455758.5 (2011-Jul-16.0) TDB Reference: JPL 69 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .4164498524616523 1.4809e-07   a 4.147610519295474 1.274e-07 au q 2.420338730466477 6.7733e-07 au i 27.05464650972424 1.1666e-05 deg node 346.8234840932827 2.4487e-05 deg peri 37.85605217082294 4.8195e-05 deg M 39.14599803043942 1.7716e-05 deg tp 2455423.009484501556 (2010-Aug-14.50948450) 0.00015148 TDB period 3085.285639812416 8.45 0.00014216 3.892e-07 d yr n .1166828754377141 5.3763e-09 deg/d Q 5.874882308124471 1.8046e-07 au Additional Model Parameters  Parameter Value Uncertainty (1-sigma)  A1 [EST] -3.93851106462399E-9 7.914E-10 A2 [EST] -5.856124940724945E-12 1.428E-11 A3 [EST] 6.270781453905802E-10 3.774E-10   Orbit Determination Parameters    # obs. used (total)      762      data-arc span      7175 days (19.64 yr)      first obs. used      2001-07-27      last obs. used      2021-03-19      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .60004      source      ORB      producer      Otto Matic      solution date      2021-Mar-25 21:42:36   Additional Information  Earth MOID = 1.46934 au   Jupiter MOID = .329013 au   T_jup = 2.700  [ 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 15.4   0.9 69 2 parameter fit from 321 observations, autocmod 2.9b comet total magnitude slope K1 4.5   n/a 69 autocmod 2.9b [ show close-approach data ] Alternate Designations  Perihelion  Year (est.)  New-Style  Desig Roman  Numeral  Year/  Letter   2010.6   223P/2009 L18         2002.2   223P/2002 S1        [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Apr-14 05:12 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin