Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1596391335635062 0.0027606  
a 5.737166385951945 0.0097275 AU
q 4.821290114988904 0.007772 AU
i 12.56171333208472 0.0047207 deg
node 73.74250928098738 0.040895 deg
peri 309.5682259172959 1.5124 deg
M 347.3252520615442 1.0248 deg
tp 2456395.218259392728
(2013-Apr-12.71825939)
14.736 JED
period 5019.316651525702
13.74
12.766
0.03495
d
yr
n .07172291070549858 0.00018241 deg/d
Q 6.653042656914986 0.01128 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      .41116  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Oct-22 15:37:30  

Additional Information
 Earth MOID = 3.84223 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 6 from 29 observations, assumed slope, autocmod 2.5c
comet total magnitude slope K1 10.   n/a 6 autocmod 2.5c
comet nuclear magnitude M2 13.3 mag 0.3 6 from 3 observations, autocmod 2.5c
comet nuclear magnitude slope K2 5.   n/a 6 autocmod 2.5c
comet nuclear phase coefficient PC 0.03   n/a 6 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Apr-23 11:08 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin