+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   379P/Spacewatch Classification: Jupiter-family Comet          SPK-ID: 1002337 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2456168.5 (2012-Aug-29.0) TDB Reference: JPL 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .3364887570941738 4.3523e-06   a 3.529432304675793 3.714e-07 au q 2.34181801522741 1.5495e-05 au i 12.37945389611489 7.8629e-05 deg node 184.0618493077165 0.00010689 deg peri 31.06869571974887 0.0021229 deg M 344.1677851173906 0.000958 deg tp 2456275.011104059665 (2012-Dec-13.51110406) 0.0064459 TDB period 2421.897235843961 6.63 0.00038229 1.047e-06 d yr n .1486437965542127 2.3463e-08 deg/d Q 4.717046594124175 4.9638e-07 au   Orbit Determination Parameters    # obs. used (total)      98      data-arc span      4875 days (13.35 yr)      first obs. used      2006-03-26      last obs. used      2019-07-31      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      1      norm. resid. RMS      .71715      source      ORB      producer      Otto Matic      solution date      2021-Apr-15 23:28:41   Additional Information  Earth MOID = 1.34725 au   Jupiter MOID = .360015 au   T_jup = 2.989  [ 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 10.8   0.5 15 2 parameter fit from 66 observations, autocmod 2.9c comet total magnitude slope K1 20.   n/a 15 autocmod 2.9c comet nuclear magnitude M2 17.0   0.7 15 from 19 observations, autocmod 2.9c comet nuclear magnitude slope K2 5.   n/a 15 autocmod 2.9c comet nuclear phase coefficient PC 0.03   n/a 15 autocmod 2.9c [ show close-approach data ] Alternate Designations  Perihelion  Year (est.)  New-Style  Desig Roman  Numeral  Year/  Letter   2019.6   379P/2019 D2         2006.3   379P/2006 F4        [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Apr-17 21:59 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin