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P/2009 Q4 (Boattini)
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 2455177.5 (2009-Dec-12.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5791972464252515 3.3375e-06  
a 3.138937332861699 2.706e-05 au
q 1.32087347296678 9.7745e-07 au
i 10.96931866130131 2.1439e-05 deg
node 127.6729218711165 3.6397e-05 deg
peri 320.0111460711544 5.3174e-05 deg
M 3.912927386494172 4.8237e-05 deg
tp 2455155.421392306119
(2009-Nov-19.92139231)
5.9203e-05 TDB
period 2031.292172001822
5.56
0.026267
7.192e-05
d
yr
n .1772270897126645 2.2917e-06 deg/d
Q 4.957001192756619 4.2733e-05 au
  Orbit Determination Parameters
   # obs. used (total)      816  
   data-arc span      275 days  
   first obs. used      2009-08-26  
   last obs. used      2010-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .66232  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-25 14:45:39  

Additional Information
 Earth MOID = .360881 au 
 Jupiter MOID = .598235 au 
 T_jup = 2.901 
[ 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 15.5   1. 42 2 parameter fit from 170 observations, autocmod 2.6n
comet total magnitude slope K1 11.   n/a 42 autocmod 2.6n

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