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C/2019 Q3 (PANSTARRS)
Classification: Hyperbolic Comet          SPK-ID: 1003638
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458715.5 (2019-Aug-20.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.004703542297618 0.00062355  
a -1541.455781073796 204.61 au
q 7.250302466188464 0.0079981 au
i 65.5382484200568 0.050755 deg
node 151.3253394024313 0.0017733 deg
peri 152.6253285415753 0.17977 deg
M .005931445958548251 0.0011928 deg
tp 2458351.288956426268
(2018-Aug-20.78895643)
2.1524 TDB
period n/a
n/a
n/a
n/a
d
yr
n 1.62857388956342E-5 3.2427e-06 deg/d
Q n/a n/a au
  Orbit Determination Parameters
   # obs. used (total)      85  
   data-arc span      65 days  
   first obs. used      2019-07-03  
   last obs. used      2019-09-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   norm. resid. RMS      .20569  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-02 23:42:43  

Additional Information
 Earth MOID = 6.3235 au 
 Jupiter MOID = 2.58056 au 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 3.888154932984337E-7 -7.458061914612384E-7 -.000424537809770956 -1.139637121334474E-7 -3.325310772608978E-5 2.713939423271923E-6
q -7.458061914612384E-7 6.397035002536913E-5 .0169504243952989 -1.37084763062162E-5 .001420874103316003 .0003942559888475759
tp -.000424537809770956 .0169504243952989 4.632697071344992 -.003463487704147623 .3868310190946968 .09995657385766948
node -1.139637121334474E-7 -1.37084763062162E-5 -.003463487704147623 3.144666192545755E-6 -.0002921163550165489 -8.997065710519237E-5
peri -3.325310772608978E-5 .001420874103316003 .3868310190946968 -.0002921163550165489 .03231648620582372 .008426646339215289
i 2.713939423271923E-6 .0003942559888475759 .09995657385766948 -8.997065710519237E-5 .008426646339215289 .002576056378478151

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 8.7   0.4 4 from 70 observations, assumed slope, autocmod 2.9c
comet total magnitude slope K1 10.   n/a 4 autocmod 2.9c
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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