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

[ show orbit diagram ]
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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