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232P/Hill
Classification: Jupiter-family Comet          SPK-ID: 1003050
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 2455471.5 (2010-Oct-02.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3349222812915101 3.0353e-07  
a 4.484981085090934 1.3875e-07 au
q 2.982860988523006 1.4069e-06 au
i 14.63507406238314 1.617e-05 deg
node 56.12915682706939 0.00011088 deg
peri 53.41731985229155 0.00031142 deg
M 37.93214340941561 0.00014865 deg
tp 2455105.952150246806
(2009-Oct-01.45215025)
0.0014394 TDB
period 3469.279984807936
9.50
0.00016099
4.408e-07
d
yr
n .1037679292465437 4.8152e-09 deg/d
Q 5.987101181658861 1.8522e-07 au
  Orbit Determination Parameters
   # obs. used (total)      297  
   data-arc span      7058 days (19.32 yr)  
   first obs. used      1999-12-12  
   last obs. used      2019-04-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .8046  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-15 08:31:07  

Additional Information
 Earth MOID = 2.02779 au 
 Jupiter MOID = .304592 au 
 T_jup = 2.853 
[ 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 6.1   0.9 28 from 93 observations, assumed slope, autocmod 2.6q
comet total magnitude slope K1 22.   n/a 28 autocmod 2.6q
comet nuclear magnitude M2 14.6   0.8 28 from 168 observations, autocmod 2.6q
comet nuclear magnitude slope K2 5.   n/a 28 autocmod 2.6q
comet nuclear phase coefficient PC 0.03   n/a 28 autocmod 2.6q

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2009.7   232P/2009 W1       
 2000.3   232P/1999 XO188       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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