+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   160P/LINEAR Classification: Jupiter-family Comet          SPK-ID: 1000511 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2455936.5 (2012-Jan-10.0) TDB Reference: JPL 54 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .4791661897799932 3.8378e-07   a 3.968026826461215 4.8496e-08 au q 2.066682531080996 1.5024e-06 au i 17.27524912102148 2.8348e-05 deg node 337.0052391037867 2.5612e-05 deg peri 18.17408169231319 4.097e-05 deg M 328.5189899862737 1.2177e-05 deg tp 2456188.968083330594 (2012-Sep-18.46808333) 9.4271e-05 TDB period 2887.09002536401 7.90 5.2927e-05 1.449e-07 d yr n .124693028910524 2.2859e-09 deg/d Q 5.869371121841434 7.1733e-08 au   Orbit Determination Parameters    # obs. used (total)      883      data-arc span      8812 days (24.13 yr)      first obs. used      1996-09-08      last obs. used      2020-10-24      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .71706      source      ORB      producer      Otto Matic      solution date      2020-Nov-02 14:24:07   Additional Information  Earth MOID = 1.06861 au   Jupiter MOID = .0809159 au   T_jup = 2.775  [ 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 6.8   01. 54 from 287 observations, assumed slope, autocmod 2.8 comet total magnitude slope K1 31.25   n/a 54 autocmod 2.8 comet nuclear magnitude M2 16.0   0.7 54 from 491 observations, autocmod 2.8 comet nuclear magnitude slope K2 5.   n/a 54 autocmod 2.8 comet nuclear phase coefficient PC 0.03   n/a 54 autocmod 2.8 [ show close-approach data ] Alternate Designations  Perihelion  Year (est.)  New-Style  Desig Roman  Numeral  Year/  Letter   2004.8   160P/2004 NL21        [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Feb-25 17:14 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin