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C/2013 G3 (PANSTARRS)
Classification: Hyperbolic Comet          SPK-ID: 1003244
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456735.5 (2014-Mar-19.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.000410254101239 9.2464e-06  
a -9389.715303633158 211.62 AU
q 3.852169212781734 1.1327e-05 AU
i 64.67328113333674 4.1392e-05 deg
node 208.132286841337 3.0193e-05 deg
peri 76.49568381335014 0.00027028 deg
M -.0002612763397819672 8.8317e-06 deg
tp 2456976.698524358127
(2014-Nov-15.19852436)
0.0012118 JED
period n/a
n/a
n/a
n/a
d
yr
n 1.08324186674554E-6 3.662e-08 deg/d
Q n/a n/a AU
  Orbit Determination Parameters
   # obs. used (total)      554  
   data-arc span      473 days (1.30 yr)  
   first obs. used      2013-04-10  
   last obs. used      2014-07-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   fit RMS      .54905  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-28 13:13:21  

Additional Information
 Earth MOID = 3.39364 AU 
 T_jup = 1.977 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 8.1 mag 0.5 33 2 parameter fit from 160 observations, autocmod 2.5c
comet total magnitude slope K1 11.   n/a 33 autocmod 2.5c
comet nuclear magnitude M2 12.1 mag 0.4 33 from 358 observations, autocmod 2.5c
comet nuclear magnitude slope K2 5.   n/a 33 autocmod 2.5c
comet nuclear phase coefficient PC 0.03   n/a 33 autocmod 2.5c
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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