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C/2016 A5 (PANSTARRS)
Classification: Comet          SPK-ID: 1003436
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457405.5 (2016-Jan-18.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .997641361286414 0.00033519  
a 1249.407490701425 177.42 au
q 2.946900876612712 0.00048946 au
i 40.31819698183355 0.0051658 deg
node 136.215401980907 0.002031 deg
peri 321.6168428268885 0.010913 deg
M .00454516342210626 0.00096808 deg
tp 2457201.841947178344
(2015-Jun-28.34194718)
0.0095835 TDB
period 16130750.91188264
44163.59
3.436e+06
9407
d
yr
n 2.231762191150121E-5 4.7539e-06 deg/d
Q 2495.868080526238 354.43 au
  Orbit Determination Parameters
   # obs. used (total)      29  
   data-arc span      60 days  
   first obs. used      2015-12-17  
   last obs. used      2016-02-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   norm. resid. RMS      .37692  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:33:21  

Additional Information
 Earth MOID = 2.05587 au 
 Jupiter MOID = 1.78158 au 
 T_jup = 1.626 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 16.5   0.6 9 2 parameter fit from 25 observations, autocmod 2.9c
comet total magnitude slope K1 4.5   n/a 9 autocmod 2.9c

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2015.5   C/2016 A5       
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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