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C/2006 P1 (McNaught)
Classification: Hyperbolic Comet          SPK-ID: 1002410
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2454064.5 (2006-Nov-25.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.000019068501381 9.955e-07  
a -8953.846942964639 467.48 AU
q .1707364427972129 7.1844e-07 AU
i 77.83699331528216 7.3756e-05 deg
node 267.4147914157445 4.4807e-05 deg
peri 155.974955723039 2.3859e-05 deg
M -5.676742521254185E-5 4.4458e-06 deg
tp 2454113.298853878393
(2007-Jan-12.79885388)
6.1534e-05 JED
period n/a
n/a
n/a
n/a
d
yr
n 1.163294231335977E-6 9.1104e-08 deg/d
Q n/a n/a AU
  Orbit Determination Parameters
   # obs. used (total)      328  
   data-arc span      338 days  
   first obs. used      2006-08-07  
   last obs. used      2007-07-11  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   fit RMS      .52462  
   data source      ORB  
   producer      Nick Mastrodemos  
   solution date      2007-Jul-18 16:15:48  

Additional Information
 Earth MOID = .409406 AU 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 9.5 mag 1. 25 from 92 observations, assumed slope, autocmod 2.4
comet total magnitude slope K1 10.   n/a 25 autocmod 2.4
comet nuclear magnitude M2 12.9 mag 1. 25 from 169 observations, autocmod 2.4
comet nuclear magnitude slope K2 5.   n/a 25 autocmod 2.4
comet nuclear phase coefficient PC 0.03   n/a 25 autocmod 2.4
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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