+ 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 2456165.5 (2012-Aug-26.0) TDB Reference: JPL 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .3364849745579609 4.3576e-06   a 3.529413569666615 3.7162e-07 au q 2.341818934472822 1.5513e-05 au i 12.37948217658112 7.8902e-05 deg node 184.0618520431379 0.00010699 deg peri 31.06890700832948 0.0021245 deg M 343.7215938627663 0.00095876 deg tp 2456275.011980322606 (2012-Dec-13.51198032) 0.006451 TDB period 2421.877951918328 6.63 0.00038251 1.047e-06 d yr n .1486449801134075 2.3477e-08 deg/d Q 4.717008204860409 4.9667e-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.      DE431      SB-pert. ephem.      SB431-N16      condition code      1      norm. resid. RMS      .71324      source      ORB      producer      Otto Matic      solution date      2019-Nov-07 02:29:43   Additional Information  Earth MOID = 1.34638 au   Jupiter MOID = .360034 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 14 2 parameter fit from 66 observations, autocmod 2.8 comet total magnitude slope K1 20.   n/a 14 autocmod 2.8 comet nuclear magnitude M2 17.0   0.7 14 from 19 observations, autocmod 2.8 comet nuclear magnitude slope K2 5.   n/a 14 autocmod 2.8 comet nuclear phase coefficient PC 0.03   n/a 14 autocmod 2.8 [ 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-Mar-07 09:50 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin