+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   336P/McNaught Classification: Jupiter-family Comet          SPK-ID: 1002347 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2454677.5 (2008-Jul-30.0) TDB Reference: JPL 30 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .4528615801704061 3.742e-07   a 4.812839865693205 5.3108e-07 au q 2.633289599008255 1.9297e-06 au i 18.56210800237945 2.8057e-05 deg node 299.239955951781 0.00015988 deg peri 313.9646698314273 0.00030431 deg M 66.42983163432889 9.1417e-05 deg tp 2453965.858615816184 (2006-Aug-18.35861582) 0.00086955 TDB period 3856.564016546177 10.56 0.00063833 1.748e-06 d yr n .09334734194880685 1.5451e-08 deg/d Q 6.992390132378154 7.7158e-07 au   Orbit Determination Parameters    # obs. used (total)      164      data-arc span      7621 days (20.87 yr)      first obs. used      1996-08-11      last obs. used      2017-06-23      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      1      norm. resid. RMS      .60009      source      ORB      producer      Otto Matic      solution date      2021-Apr-15 23:28:30   Additional Information  Earth MOID = 1.65686 au   Jupiter MOID = .199969 au   T_jup = 2.707  [ 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 8.2   0.5 30 2 parameter fit from 106 observations, autocmod 2.9c comet total magnitude slope K1 19.5   n/a 30 autocmod 2.9c comet nuclear magnitude M2 15.6   0.6 30 from 43 observations, autocmod 2.9c comet nuclear magnitude slope K2 5.   n/a 30 autocmod 2.9c comet nuclear phase coefficient PC 0.03   n/a 30 autocmod 2.9c [ show close-approach data ] Alternate Designations  Perihelion  Year (est.)  New-Style  Desig Roman  Numeral  Year/  Letter   2017.2   336P/2016 B2         2006.6   336P/2006 G1        [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Apr-17 20:38 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin