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JPL Small-Body Database Browser
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387P/Boattini
Classification: Jupiter-family Comet [NEO]          SPK-ID: 1003006
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457039.5 (2015-Jan-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7359490649325627 1.8348e-07  
a 4.799147216236703 1.2225e-07 au
q 1.26721930997359 8.5229e-07 au
i 8.893317590809984 2.8743e-05 deg
node 259.3646423069534 0.00015649 deg
peri 162.761707367318 0.00017058 deg
M 201.3664111934909 1.0573e-05 deg
tp 2458731.643476877936
(2019-Sep-05.14347688)
0.00010507 TDB
period 3840.117696757683
10.51
0.00014674
4.018e-07
d
yr
n .09374712663207117 3.5822e-09 deg/d
Q 8.331075122499815 2.1223e-07 au
  Orbit Determination Parameters
   # obs. used (total)      331  
   data-arc span      4055 days (11.10 yr)  
   first obs. used      2008-12-22  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .73253  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-05 13:16:37  

Additional Information
 Earth MOID = .284262 au 
 Jupiter MOID = .28514 au 
 T_jup = 2.369 
[ 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 14.1   0.7 19 2 parameter fit from 203 observations, autocmod 2.8
comet total magnitude slope K1 20.   n/a 19 autocmod 2.8
comet nuclear magnitude M2 17.8   0.5 19 from 82 observations, autocmod 2.8
comet nuclear magnitude slope K2 5.   n/a 19 autocmod 2.8
comet nuclear phase coefficient PC 0.03   n/a 19 autocmod 2.8

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2019.7   387P/2019 R1       
 2009.2   387P/2008 Y1       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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