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C/2007 F1 (LONEOS)
Classification: Hyperbolic Comet          SPK-ID: 1002450
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2454249.5 (2007-May-29.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.000081320429988 2.896e-06  
a -4947.95762776604 176.2 AU
q .4023700418528164 1.0853e-06 AU
i 116.0814929450426 0.00011002 deg
node 172.8864703313042 3.9722e-05 deg
peri 153.7113811490297 0.00019774 deg
M -.0004325900490889226 2.3107e-05 deg
tp 2454402.260618817894
(2007-Oct-28.76061882)
6.2186e-05 JED
period n/a
n/a
n/a
n/a
d
yr
n 2.831816553483679E-6 1.5126e-07 deg/d
Q n/a n/a AU
  Orbit Determination Parameters
   # obs. used (total)      183  
   data-arc span      217 days  
   first obs. used      2007-03-19  
   last obs. used      2007-10-22  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   fit RMS      .98943  
   data source      ORB  
   producer      Otto Matic  
   solution date      2011-Sep-14 21:21:04  

Additional Information
 Earth MOID = .569043 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 10.8 mag 0.7 21 2 parameter fit from 49 observations, autocmod 2.5a
comet total magnitude slope K1 11.   n/a 21 autocmod 2.5a
comet nuclear magnitude M2 14.7 mag 0.9 21 from 93 observations, autocmod 2.5a
comet nuclear magnitude slope K2 5.   n/a 21 autocmod 2.5a
comet nuclear phase coefficient PC 0.03   n/a 21 autocmod 2.5a
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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