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C/2012 S3 (PANSTARRS)
Classification: Hyperbolic Comet          SPK-ID: 1003205
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456435.5 (2013-May-23.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.000715864418965 4.6584e-06  
a -3224.175328724161 20.98 AU
q 2.308072398338717 1.4362e-06 AU
i 112.9308200282885 2.6386e-05 deg
node 121.3058112868292 1.1815e-05 deg
peri 183.7523850558588 7.4515e-05 deg
M -.0005390874041194747 5.261e-06 deg
tp 2456535.634350763556
(2013-Aug-31.13435076)
0.00019563 JED
period n/a
n/a
n/a
n/a
d
yr
n 5.383641078298937E-6 5.2547e-08 deg/d
Q n/a n/a AU
  Orbit Determination Parameters
   # obs. used (total)      735  
   data-arc span      554 days (1.52 yr)  
   first obs. used      2012-09-27  
   last obs. used      2014-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   fit RMS      .64016  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-13 19:44:57  

Additional Information
 Earth MOID = 1.29421 AU 
 T_jup = -0.729 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 11.1 mag 1. 36 from 196 observations, assumed slope, autocmod 2.5c
comet total magnitude slope K1 10.   n/a 36 autocmod 2.5c
comet nuclear magnitude M2 13.9 mag 0.7 36 from 507 observations, autocmod 2.5c
comet nuclear magnitude slope K2 5.   n/a 36 autocmod 2.5c
comet nuclear phase coefficient PC 0.03   n/a 36 autocmod 2.5c
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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