+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   303P/NEAT Classification: Jupiter-family Comet          SPK-ID: 1000463 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2454849.5 (2009-Jan-18.0) TDB Reference: JPL 34 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .5104416819863621 1.0185e-06   a 5.075130668072057 1.2514e-06 au q 2.484572433560787 5.61e-06 au i 7.06762822446798 2.5724e-05 deg node 348.2152878542255 0.00014507 deg peri 356.5401281321852 0.0009114 deg M 180.0641673808136 0.00034643 deg tp 2456936.797853679447 (2014-Oct-06.29785368) 0.0033873 TDB period 4176.084420688518 11.43 0.0015446 4.229e-06 d yr n .086205153855737 3.1885e-08 deg/d Q 7.665688902583327 1.8902e-06 au   Orbit Determination Parameters    # obs. used (total)      246      data-arc span      4113 days (11.26 yr)      first obs. used      2003-10-17      last obs. used      2015-01-20      planetary ephem.      DE431      SB-pert. ephem.      SB431-BIG16      condition code      1      norm. resid. RMS      .64573      source      ORB      producer      Otto Matic      solution date      2015-Feb-04 13:04:49   Additional Information  Earth MOID = 1.47712 au   T_jup = 2.711  [ 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 12.5   1. 34 from 125 observations, assumed slope, autocmod 2.6 comet total magnitude slope K1 13.   n/a 34 autocmod 2.6 comet nuclear magnitude M2 15.7   0.7 34 from 84 observations, autocmod 2.6 comet nuclear magnitude slope K2 5.   n/a 34 autocmod 2.6 comet nuclear phase coefficient PC 0.03   n/a 34 autocmod 2.6 [ show close-approach data ] Alternate Designations  Perihelion  Year (est.)  New-Style  Desig Roman  Numeral  Year/  Letter   2014.8   303P/2014 L1         2003.3   303P/2003 U3        [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Mar-05 11:46 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin