+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   235P/LINEAR Classification: Jupiter-family Comet          SPK-ID: 1003075 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2455708.5 (2011-May-27.0) TDB Reference: JPL 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .3134046660800669 1.9493e-06   a 4.001777980413703 5.0591e-08 au q 2.747602088735582 7.8082e-06 au i 8.892611801161452 7.9291e-05 deg node 204.4866661242519 0.00023809 deg peri 333.7350597385954 0.00066973 deg M 53.0989502634758 0.00033125 deg tp 2455277.217986069910 (2010-Mar-21.71798607) 0.0026927 TDB period 2924.003661926049 8.01 5.5449e-05 1.518e-07 d yr n .1231188608576732 2.3347e-09 deg/d Q 5.255953872091824 6.6447e-08 au   Orbit Determination Parameters    # obs. used (total)      268      data-arc span      6003 days (16.44 yr)      first obs. used      2001-12-26      last obs. used      2018-06-03      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      1      norm. resid. RMS      .76399      source      ORB      producer      Otto Matic      solution date      2021-Apr-15 23:28:01   Additional Information  Earth MOID = 1.75504 au   Jupiter MOID = .0481358 au   T_jup = 2.946  [ 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 7.3   0.7 20 from 80 observations, assumed slope, autocmod 2.9c comet total magnitude slope K1 22.75   n/a 20 autocmod 2.9c comet nuclear magnitude M2 15.4   0.6 20 from 156 observations, autocmod 2.9c comet nuclear magnitude slope K2 5.   n/a 20 autocmod 2.9c comet nuclear phase coefficient PC 0.03   n/a 20 autocmod 2.9c [ show close-approach data ] Alternate Designations  Perihelion  Year (est.)  New-Style  Desig Roman  Numeral  Year/  Letter   2010.2   235P/2010 F2         2002.2   235P/2002 FA9        [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Apr-18 01:04 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin