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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 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 1.123540382166435E-7 -1.053312395314577E-7 -1.255905119628995E-6 -5.69607392572725E-8 -3.007574711980875E-6 -1.464014077363794E-7
q -1.053312395314577E-7 2.395692138574408E-7 2.432816032578912E-7 7.972219183628005E-7 5.057003685408774E-6 2.020136256870094E-6
tp -1.255905119628995E-6 2.432816032578912E-7 9.184399708589186E-5 -7.043330428271245E-6 3.342151073450841E-5 -1.779669975704462E-5
node -5.69607392572725E-8 7.972219183628005E-7 -7.043330428271245E-6 4.125109234631119E-6 1.273407828670886E-5 1.047954025528366E-5
peri -3.007574711980875E-6 5.057003685408774E-6 3.342151073450841E-5 1.273407828670886E-5 .0001190900433318668 3.226759520435881E-5
i -1.464014077363794E-7 2.020136256870094E-6 -1.779669975704462E-5 1.047954025528366E-5 3.226759520435881E-5 2.668528715910575E-5

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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