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

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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.

Note: If the applet has stopped working because of a recent Java upgrade, here is a possible workaround.
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1589593567954306 0.0027336  
a 5.734765293445983 0.0096517 AU
q 4.823170691027051 0.0076693 AU
i 12.56232191204766 0.0047234 deg
node 73.73843802760062 0.040916 deg
peri 309.1988880190526 1.5253 deg
M 347.5768854001731 1.0374 deg
tp 2456391.601124822159
(2013-Apr-09.10112482)
14.891 JED
period 5016.165989231502
13.73
12.663
0.03467
d
yr
n .07176795998633879 0.00018118 deg/d
Q 6.646359895864916 0.011186 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.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      6  
   fit RMS      .406  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-13 19:44:59  

Additional Information
 Earth MOID = 3.8442 AU 
 T_jup = 2.931 
[ 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 7 from 29 observations, assumed slope, autocmod 2.5c
comet total magnitude slope K1 10.   n/a 7 autocmod 2.5c
comet nuclear magnitude M2 13.3 mag 0.3 7 from 3 observations, autocmod 2.5c
comet nuclear magnitude slope K2 5.   n/a 7 autocmod 2.5c
comet nuclear phase coefficient PC 0.03   n/a 7 autocmod 2.5c

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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