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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 2456784.5 (2014-May-07.0) TDB
Reference: JPL 50 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.000436812876821 5.3706e-06  
a -8818.829628819172 108.42 AU
q 3.852178340359381 9.0366e-06 AU
i 64.67208958757674 3.0357e-05 deg
node 208.1311997589587 2.6297e-05 deg
peri 76.49567783789844 0.00021774 deg
M -.0002287331757466097 4.2172e-06 deg
tp 2456976.694747527990
(2014-Nov-15.19474753)
0.00093946 JED
period n/a
n/a
n/a
n/a
d
yr
n 1.190111481653777E-6 2.1946e-08 deg/d
Q n/a n/a AU
  Orbit Determination Parameters
   # obs. used (total)      842  
   data-arc span      594 days (1.63 yr)  
   first obs. used      2013-04-10  
   last obs. used      2014-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   fit RMS      .51506  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-31 12:13:58  

Additional Information
 Earth MOID = 3.39353 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 7.4 mag 0.5 50 2 parameter fit from 192 observations, autocmod 2.6
comet total magnitude slope K1 12.   n/a 50 autocmod 2.6
comet nuclear magnitude M2 12.0 mag 0.4 50 from 604 observations, autocmod 2.6
comet nuclear magnitude slope K2 5.   n/a 50 autocmod 2.6
comet nuclear phase coefficient PC 0.03   n/a 50 autocmod 2.6
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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