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398P/Boattini (2009 Q4)
Classification: Jupiter-family Comet          SPK-ID: 1003034
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2456258.5 (2012-Nov-27.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5800099064778804 8.8789e-08  
a 3.1379468721774 2.3728e-08 au
q 1.317906600313229 2.8779e-07 au
i 10.97569251360942 8.0143e-06 deg
node 127.609001941394 3.2261e-05 deg
peri 320.060268531013 4.659e-05 deg
M 195.4440273846444 9.3501e-06 deg
tp 2457186.564061807183
(2015-Jun-13.06406181)
5.9203e-05 TDB
period 2030.330816563804
5.56
2.3029e-05
6.305e-08
d
yr
n .1773110061981305 2.0111e-09 deg/d
Q 4.957987144041572 3.7491e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1103  
   data-arc span      4070 days (11.14 yr)  
   first obs. used      2009-08-26  
   last obs. used      2020-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .71988  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-23 00:12:47  

Additional Information
 Earth MOID = .358303 au 
 Jupiter MOID = .602246 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   0.9 1 2 parameter fit from 450 observations, autocmod 2.8
comet total magnitude slope K1 7.   n/a 1 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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