+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   224P/LINEAR-NEAT Classification: Jupiter-family Comet          SPK-ID: 1000472 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2453303.5 (2004-Oct-25.0) TDB Reference: JPL 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .4369574066912527 5.841e-06   a 3.342402013895573 6.0577e-06 au q 1.881914697784143 2.292e-05 au i 14.73061938425923 0.00012034 deg node 43.51389700555364 0.0003329 deg peri 9.292237809958742 0.00080787 deg M 65.14424991242431 0.00039494 deg tp 2452899.612845830829 (2003-Sep-17.11284583) 0.0023857 TDB period 2231.960237417225 6.11 0.0060678 1.661e-05 d yr n .1612931959830002 4.3849e-07 deg/d Q 4.802889330007003 8.7047e-06 au   Orbit Determination Parameters    # obs. used (total)      95      data-arc span      2183 days (5.98 yr)      first obs. used      2003-11-20      last obs. used      2009-11-11      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      2      norm. resid. RMS      .67686      source      ORB      producer      Otto Matic      solution date      2021-Apr-15 23:27:57   Additional Information  Earth MOID = .893762 au   Jupiter MOID = .65178 au   T_jup = 2.951  [ 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 13.1   0.6 13 2 parameter fit from 48 observations, autocmod 2.9c comet total magnitude slope K1 20.75   n/a 13 autocmod 2.9c comet nuclear magnitude M2 18.1   0.4 13 from 37 observations, autocmod 2.9c comet nuclear magnitude slope K2 5.   n/a 13 autocmod 2.9c comet nuclear phase coefficient PC 0.03   n/a 13 autocmod 2.9c [ show close-approach data ] Alternate Designations  Perihelion  Year (est.)  New-Style  Desig Roman  Numeral  Year/  Letter   2009.8   224P/2009 Q2         2003.7   224P/2003 XD10        [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Apr-21 02:39 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin