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398P/Boattini
Classification: Jupiter-family Comet          SPK-ID: 1003034
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456654.5 (2013-Dec-28.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5801204461266393 7.3998e-08  
a 3.137165516772896 1.6797e-08 au
q 1.317231657609495 2.3853e-07 au
i 10.9799248690829 6.9533e-06 deg
node 127.5991226144567 3.1937e-05 deg
peri 320.0997907727919 4.1502e-05 deg
M 265.6011538727405 7.573e-06 deg
tp 2457186.692513466415
(2015-Jun-13.19251347)
4.4171e-05 TDB
period 2029.572528774632
5.56
1.63e-05
4.463e-08
d
yr
n .177377253040251 1.4246e-09 deg/d
Q 4.957099375936298 2.6541e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1273  
   data-arc span      4098 days (11.22 yr)  
   first obs. used      2009-08-26  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .72567  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-17 00:12:50  

Additional Information
 Earth MOID = .357427 au 
 Jupiter MOID = .602642 au 
 T_jup = 2.900 
[ 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 16.1   0.8 4 2 parameter fit from 598 observations, autocmod 2.8
comet total magnitude slope K1 7.   n/a 4 autocmod 2.8

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2021.0   398P/2020 P2       
 2009.9   398P/2009 Q4       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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