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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2455471.5 (2010-Oct-02.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3349223607888394 3.0353e-07  
a 4.484981075686795 1.3875e-07 au
q 2.982860625724505 1.4069e-06 au
i 14.63507613337558 1.617e-05 deg
node 56.12913606121955 0.00011088 deg
peri 53.41737225804615 0.00031142 deg
M 37.93212815460019 0.00014865 deg
tp 2455105.952298405491
(2009-Oct-01.45229841)
0.0014394 TDB
period 3469.279973896321
9.50
0.00016099
4.408e-07
d
yr
n .1037679295729156 4.8152e-09 deg/d
Q 5.987101525649085 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .80805  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:28:01  

Additional Information
 Earth MOID = 2.02779 au 
 Jupiter MOID = .304593 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 7.2   0.9 29 from 93 observations, assumed slope, autocmod 2.9c
comet total magnitude slope K1 19.75   n/a 29 autocmod 2.9c
comet nuclear magnitude M2 14.6   0.8 29 from 168 observations, autocmod 2.9c
comet nuclear magnitude slope K2 5.   n/a 29 autocmod 2.9c
comet nuclear phase coefficient PC 0.03   n/a 29 autocmod 2.9c

[ 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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