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P/2003 T12 (SOHO)
Classification: Jupiter-family Comet [NEO]          SPK-ID: 1002004
[ 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 2456072.5 (2012-May-25.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7761661411908493 7.5594e-07  
a 2.568001677812162 4.6604e-07 au
q .5748057249730697 1.8956e-06 au
i 11.47515445399187 7.1652e-05 deg
node 176.4657147869952 0.0007064 deg
peri 217.6688329855281 0.00087348 deg
M 28.63341454259532 4.027e-05 deg
tp 2455952.946575207469
(2012-Jan-26.44657521)		 0.00014678 TDB
period 1503.112137090239
4.12		 0.00040917
1.12e-06		 d
yr
n .2395030890355904 6.5197e-08 deg/d
Q 4.561197630651255 8.2776e-07 au
   Orbit Determination Parameters
   # obs. used (total)      491  
   data-arc span      4592 days (12.57 yr)  
   first obs. used      2003-10-09  
   last obs. used      2016-05-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .34756  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 11:06:02  

Additional Information
 Earth MOID = .154717 au 
 Jupiter MOID = 1.01907 au 
 T_jup = 2.894 
[ 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 19.6   0.5 8 2 parameter fit from 21 observations, autocmod 2.8
comet total magnitude slope K1 21.75   n/a 8 autocmod 2.8

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year (est.)		  New-Style 
Desig		 Roman
 Numeral 		 Year/
 Letter 
 2012.1   P/2012 A3       
 2003.8   P/2003 T12       
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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