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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 ]
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