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P/2016 A3 (PANSTARRS)
Classification: Jupiter-family Comet          SPK-ID: 1003434
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457804.5 (2017-Feb-20.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .379521203042716 7.7436e-06  
a 7.719058955655639 0.00010495 au
q 4.78951241444756 5.7184e-06 au
i 8.593972262695917 3.4505e-05 deg
node 187.7944028207344 0.00018137 deg
peri 338.4644923427707 0.00028149 deg
M 357.5857229235388 8.3865e-05 deg
tp 2457857.032681998176
(2017-Apr-13.53268200)
0.0020898 TDB
period 7833.303684871087
21.45
0.15976
0.0004374
d
yr
n .04595762075397241 9.3729e-07 deg/d
Q 10.64860549686372 0.00014478 au
  Orbit Determination Parameters
   # obs. used (total)      153  
   data-arc span      1237 days (3.39 yr)  
   first obs. used      2016-01-04  
   last obs. used      2019-05-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      3  
   norm. resid. RMS      .63118  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:33:21  

Additional Information
 Earth MOID = 3.79863 au 
 Jupiter MOID = .29845 au 
 T_jup = 2.902 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 5.996397313132144E-11 4.113911031134849E-11 7.880773930288151E-9 -6.329024077355257E-11 8.898054318152311E-10 4.076864313317814E-11
q 4.113911031134849E-11 3.270062273307939E-11 5.569946163493979E-9 -4.41188981579491E-11 6.188836274722941E-10 2.941870107903974E-11
tp 7.880773930288151E-9 5.569946163493979E-9 4.367081342695265E-6 -5.841924356832376E-9 4.513623576737485E-7 6.431176216500886E-9
node -6.329024077355257E-11 -4.41188981579491E-11 -5.841924356832376E-9 3.289622416084546E-8 -3.314772240160134E-8 -2.87361254047367E-9
peri 8.898054318152311E-10 6.188836274722941E-10 4.513623576737485E-7 -3.314772240160134E-8 7.923928099117006E-8 3.510039367564977E-9
i 4.076864313317814E-11 2.941870107903974E-11 6.431176216500886E-9 -2.87361254047367E-9 3.510039367564977E-9 1.190575969230473E-9

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 7.1   0.5 23 from 129 observations, assumed slope, autocmod 2.9c
comet total magnitude slope K1 13.25   n/a 23 autocmod 2.9c
comet nuclear magnitude M2 12.9   0.7 23 from 21 observations, autocmod 2.9c
comet nuclear magnitude slope K2 5.   n/a 23 autocmod 2.9c
comet nuclear phase coefficient PC 0.03   n/a 23 autocmod 2.9c

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2017.3   P/2016 A3       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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