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JPL Small-Body Database Browser
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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7761658802046894 7.4743e-07  
a 2.568001499205034 4.4274e-07 au
q .5748063552075969 1.8773e-06 au
i 11.47518895022213 7.0148e-05 deg
node 176.4654961278702 0.00070326 deg
peri 217.6688776900589 0.00086582 deg
M 28.63342395806033 3.8953e-05 deg
tp 2455952.946548367567
(2012-Jan-26.44654837)
0.00014305 TDB
period 1503.111980275775
4.12
0.00038872
1.064e-06
d
yr
n .2395031140221177 6.1938e-08 deg/d
Q 4.561196643202471 7.8638e-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-BIG16  
   condition code      1  
   norm. resid. RMS      .35362  
   source      ORB  
   producer      Otto Matic  
   solution date      2016-May-24 13:33:52  

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 19.7   0.5 7 2 parameter fit from 21 observations, autocmod 2.6f
comet total magnitude slope K1 22.   n/a 7 autocmod 2.6f

[ 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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