+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   265P/LINEAR Classification: Jupiter-family Comet          SPK-ID: 1000447 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2452926.5 (2003-Oct-14.0) TDB Reference: JPL 29 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .6460250873419684 2.2476e-07   a 4.252984092256914 2.2494e-07 au q 1.505449672592639 9.3841e-07 au i 14.69119860325759 1.5374e-05 deg node 344.7112831800904 5.5516e-05 deg peri 32.72047022939254 0.00011727 deg M 4.291673197608478 1.7451e-05 deg tp 2452888.308808534912 (2003-Sep-05.80880853) 0.00015601 TDB period 3203.605748707327 8.77 0.00025416 6.959e-07 d yr n .1123733780741472 8.9151e-09 deg/d Q 7.000518511921189 3.7026e-07 au   Orbit Determination Parameters    # obs. used (total)      543      data-arc span      3252 days (8.90 yr)      first obs. used      2003-07-29      last obs. used      2012-06-23      planetary ephem.      DE431      SB-pert. ephem.      SB431-BIG16      condition code      0      norm. resid. RMS      .90787      source      ORB      producer      Otto Matic      solution date      2014-Jun-13 19:42:09   Additional Information  Earth MOID = .526735 au   T_jup = 2.559  [ 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 14.8   0.8 29 2 parameter fit from 222 observations, autocmod 2.5c comet total magnitude slope K1 15.   n/a 29 autocmod 2.5c comet nuclear magnitude M2 17.5   0.6 29 from 158 observations, autocmod 2.5c comet nuclear magnitude slope K2 5.   n/a 29 autocmod 2.5c comet nuclear phase coefficient PC 0.03   n/a 29 autocmod 2.5c [ show close-approach data ] Alternate Designations  Perihelion  Year (est.)  New-Style  Desig Roman  Numeral  Year/  Letter   2012.5   265P/2012 M1         2003.7   265P/2003 O2        [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Mar-07 09:15 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin