+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   343P/NEAT-LONEOS Classification: Jupiter-family Comet          SPK-ID: 1000475 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2456521.5 (2013-Aug-17.0) TDB Reference: JPL 33 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .5841947908023399 1.4625e-06   a 5.474950794631362 1.7505e-07 au q 2.276513060508589 7.9463e-06 au i 5.583919576473624 1.4491e-05 deg node 257.2671794686393 0.00051452 deg peri 137.5787903031286 0.00071698 deg M 263.1258166120971 8.0262e-05 deg tp 2457780.640842400006 (2017-Jan-27.14084240) 0.0010856 TDB period 4679.169283408963 12.81 0.00022441 6.144e-07 d yr n .07693673346601504 3.6898e-09 deg/d Q 8.673388528754137 2.7731e-07 au   Orbit Determination Parameters    # obs. used (total)      299      data-arc span      4882 days (13.37 yr)      first obs. used      2003-09-18      last obs. used      2017-01-29      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .67398      source      ORB      producer      Otto Matic      solution date      2021-Apr-15 23:28:30   Additional Information  Earth MOID = 1.28737 au   Jupiter MOID = .114764 au   T_jup = 2.608  [ 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 5.9   0.6 33 2 parameter fit from 113 observations, autocmod 2.9c comet total magnitude slope K1 28.25   n/a 33 autocmod 2.9c comet nuclear magnitude M2 15.4   0.5 33 from 153 observations, autocmod 2.9c comet nuclear magnitude slope K2 5.   n/a 33 autocmod 2.9c comet nuclear phase coefficient PC 0.03   n/a 33 autocmod 2.9c [ show close-approach data ] Alternate Designations  Perihelion  Year (est.)  New-Style  Desig Roman  Numeral  Year/  Letter   2017.1   343P/2016 P3         2004.3   343P/2003 SQ215        [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Apr-20 08:50 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin