+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   310P/Hill Classification: Jupiter-family Comet          SPK-ID: 1002419 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2454608.5 (2008-May-22.0) TDB Reference: JPL 28 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .424663107414368 2.4111e-07   a 4.16645635942 8.3242e-07 au q 2.397116054922347 1.3239e-06 au i 13.17925448445525 2.4958e-05 deg node 9.047678233059186 8.4119e-05 deg peri 31.21278505095711 0.00053519 deg M 67.42780160989953 0.00021157 deg tp 2454026.684640200012 (2006-Oct-18.18464020) 0.0016537 TDB period 3106.337809139612 8.50 0.00093092 2.549e-06 d yr n .1158920961335214 3.4731e-08 deg/d Q 5.935796663917652 1.1859e-06 au   Orbit Determination Parameters    # obs. used (total)      275      data-arc span      3447 days (9.44 yr)      first obs. used      2006-08-29      last obs. used      2016-02-05      planetary ephem.      DE431      SB-pert. ephem.      SB431-BIG16      condition code      1      norm. resid. RMS      .644      source      ORB      producer      Otto Matic      solution date      2016-Feb-25 17:58:23   Additional Information  Earth MOID = 1.41612 au   Jupiter MOID = .157359 au   T_jup = 2.826  [ 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 10.6   0.6 28 2 parameter fit from 135 observations, autocmod 2.6f comet total magnitude slope K1 18.   n/a 28 autocmod 2.6f comet nuclear magnitude M2 15.9   0.6 28 from 105 observations, autocmod 2.6f comet nuclear magnitude slope K2 5.   n/a 28 autocmod 2.6f comet nuclear phase coefficient PC 0.03   n/a 28 autocmod 2.6f [ show close-approach data ] Alternate Designations  Perihelion  Year (est.)  New-Style  Desig Roman  Numeral  Year/  Letter   2015.3   310P/2014 Q5         2006.8   310P/2006 S6        [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Mar-07 09:53 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin