+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   193P/LINEAR-NEAT Classification: Jupiter-family Comet          SPK-ID: 1000350 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2453426.5 (2005-Feb-25.0) TDB Reference: JPL 34 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .4032837253409572 5.1376e-07   a 3.556425641836103 5.0542e-07 au q 2.122177060098335 2.0205e-06 au i 10.84020845732539 1.8949e-05 deg node 336.0715547646831 9.6875e-05 deg peri 7.953758217470965 0.00025014 deg M 200.3997729110146 0.00012199 deg tp 2454512.550526145834 (2008-Feb-16.05052615) 0.00086929 TDB period 2449.734543262959 6.71 0.00052221 1.43e-06 d yr n .1469546980059696 3.1327e-08 deg/d Q 4.990674223573872 7.0925e-07 au Additional Model Parameters  Parameter Value Uncertainty (1-sigma)  A1 [EST] 1.84227807174211E-8 1.384E-9 A2 [EST] -1.599664159541311E-9 3.283E-11   Orbit Determination Parameters    # obs. used (total)      343      data-arc span      4901 days (13.42 yr)      first obs. used      2001-08-17      last obs. used      2015-01-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      1      norm. resid. RMS      .72369      source      ORB      producer      Otto Matic      solution date      2020-Jun-24 13:41:52   Additional Information  Earth MOID = 1.11618 au   Jupiter MOID = .448167 au   T_jup = 2.949  [ 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 7.2   0.9 34 2 parameter fit from 199 observations, autocmod 2.8 comet total magnitude slope K1 27.75   n/a 34 autocmod 2.8 comet nuclear magnitude M2 16.3   01. 34 from 48 observations, autocmod 2.8 comet nuclear magnitude slope K2 5.   n/a 34 autocmod 2.8 comet nuclear phase coefficient PC 0.03   n/a 34 autocmod 2.8 [ show close-approach data ] Alternate Designations  Perihelion  Year (est.)  New-Style  Desig Roman  Numeral  Year/  Letter   2008.1   193P/2007 U2         2001.4   193P/2001 Q5        [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Mar-05 11:20 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin