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P/2016 A7 (PANSTARRS)
Classification: Jupiter-family Comet          SPK-ID: 1003439
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457465.5 (2016-Mar-18.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5666257783071452 3.0653e-05  
a 5.022562644171591 0.00038077 au
q 2.17664917682147 1.6045e-05 au
i 16.63746983894385 0.00015735 deg
node 221.4660933365108 0.0001731 deg
peri 352.469582921735 0.0019589 deg
M 1.850870789252878 0.00040149 deg
tp 2457444.362186061175
(2016-Feb-25.86218606)
0.0053482 TDB
period 4111.369125366496
11.26
0.46754
0.00128
d
yr
n .08756207215228062 9.9575e-06 deg/d
Q 7.868476111521712 0.00059653 au
  Orbit Determination Parameters
   # obs. used (total)      46  
   data-arc span      145 days  
   first obs. used      2016-01-14  
   last obs. used      2016-06-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      5  
   norm. resid. RMS      .36404  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:33:21  

Additional Information
 Earth MOID = 1.17173 au 
 Jupiter MOID = 1.01353 au 
 T_jup = 2.587 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 9.395975773852925E-10 3.256334122820242E-10 -9.462880998169959E-8 7.849387908715865E-10 -3.269728954618632E-8 3.166917576515587E-9
q 3.256334122820242E-10 2.574535161422878E-10 1.679974166909536E-8 1.632689866827399E-9 7.4353798782033E-9 1.963438600216373E-9
tp -9.462880998169959E-8 1.679974166909536E-8 2.860330387454285E-5 4.016772108813695E-7 1.044487612496156E-5 -3.2122077867527E-8
node 7.849387908715865E-10 1.632689866827399E-9 4.016772108813695E-7 2.996363756807401E-8 1.385253651516645E-7 1.660245011510326E-8
peri -3.269728954618632E-8 7.4353798782033E-9 1.044487612496156E-5 1.385253651516645E-7 3.837278940170903E-6 -6.914494922495647E-9
i 3.166917576515587E-9 1.963438600216373E-9 -3.2122077867527E-8 1.660245011510326E-8 -6.914494922495647E-9 2.476025752831396E-8

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 7.8   0.8 14 from 38 observations, assumed slope, autocmod 2.9c
comet total magnitude slope K1 33.5   n/a 14 autocmod 2.9c

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2016.2   P/2016 A7       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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