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P/2012 T2 (PANSTARRS)
Classification: Jupiter-family Comet          SPK-ID: 1003209
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ hide orbit diagram ]
Orbit Diagram
Note: Make sure you have Java enabled on your browser to see the applet. This applet is provided as a 3D orbit visualization tool. The applet was implemented using 2-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances. For accurate long-term ephemerides, please instead use our Horizons system.
Orbit Viewer

Additional Notes: the orbits shown in the applet are color coded. The planets are white lines, and the asteroid/comet is a blue line. The bright white line indicates the portion of the orbit that is above the ecliptic plane, and the darker portion is below the ecliptic plane. Likewise for the asteroid/comet orbit, the light blue indicates the portion above the ecliptic plane, and the dark blue the portion below the ecliptic plane.

Orbit Viewer applet originally written and kindly provided by Osamu Ajiki (AstroArts), and further modified by Ron Baalke (JPL).


Orbital Elements at Epoch 2456218.5 (2012-Oct-18.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1596241103276436 0.00276  
a 5.737103642154856 0.0097256 AU
q 4.821323577418403 0.0077693 AU
i 12.56169364666271 0.0047207 deg
node 73.74271974049427 0.040896 deg
peri 309.5586068971883 1.5127 deg
M 347.3316587451862 1.0251 deg
tp 2456395.126036397524
(2013-Apr-12.62603640)		 14.739 JED
period 5019.23431206491
13.74		 12.763
0.03494		 d
yr
n .07172408730444309 0.00018238 deg/d
Q 6.652883706891309 0.011278 AU
   Orbit Determination Parameters
   # obs. used (total)      38  
   data-arc span      34 days  
   first obs. used      2012-10-10  
   last obs. used      2012-11-13  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      6  
   fit RMS      .41148  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Jan-06 14:51:25  

Additional Information
 Earth MOID = 3.84227 AU 
 T_jup = 2.930 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 10.2 mag 0.7 5 from 29 observations, assumed slope, autocmod 2.5b
comet total magnitude slope K1 10.   n/a 5 autocmod 2.5b
comet nuclear magnitude M2 13.3 mag 0.3 5 from 3 observations, autocmod 2.5b
comet nuclear magnitude slope K2 5.   n/a 5 autocmod 2.5b
comet nuclear phase coefficient PC 0.03   n/a 5 autocmod 2.5b

Alternate Designations
 Perihelion 
Year (est.)		  New-Style 
Desig		 Roman
 Numeral 		 Year/
 Letter 
 2013.3   P/2012 T2       
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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