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C/2007 P1 (McNaught)
Classification: Hyperbolic Comet          SPK-ID: 1002469
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2454322.5 (2007-Aug-10.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.000425642155445 0.0063922  
a -1226.959667923616 18383 au
q .5222457576990139 0.019782 au
i 119.1816617914002 0.57144 deg
node 187.0613529615025 0.59117 deg
peri 90.19285134416148 1.634 deg
M .002951910901124153 0.066356 deg
tp 2454193.780423719791
(2007-Apr-03.28042372)
0.87977 TDB
period n/a
n/a
n/a
n/a
d
yr
n 2.293288236668953E-5 0.00051538 deg/d
Q n/a n/a au
  Orbit Determination Parameters
   # obs. used (total)      16  
   data-arc span      7 days  
   first obs. used      2007-08-07  
   last obs. used      2007-08-14  
   two-body model      T  
   norm. resid. RMS      .93992  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:31:10  

Additional Information
 Earth MOID = .0258538 au 
 Jupiter MOID = 2.98845 au 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 13.6   0.6 6 from 12 observations, assumed slope, autocmod 2.9c
comet total magnitude slope K1 10.   n/a 6 autocmod 2.9c

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]
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