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JPL Small-Body Database Browser
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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 2454260.5 (2007-Jun-09.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.000088147778723 3.463e-06  
a -4564.775910692131 179.32 au
q .4023748568953251 1.2431e-06 au
i 116.0820890155959 0.00011755 deg
node 172.8866681506297 4.6193e-05 deg
peri 153.710777374497 0.00023399 deg
M -.0004530326890234274 2.6695e-05 deg
tp 2454402.260311834709
(2007-Oct-28.76031183)
6.7997e-05 TDB
period n/a
n/a
n/a
n/a
d
yr
n 3.195765325006188E-6 1.8831e-07 deg/d
Q n/a n/a au
  Orbit Determination Parameters
   # obs. used (total)      197  
   data-arc span      217 days  
   first obs. used      2007-03-19  
   last obs. used      2007-10-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   norm. resid. RMS      .87403  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:31:06  

Additional Information
 Earth MOID = .570619 au 
 Jupiter MOID = .326365 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   0.7 23 2 parameter fit from 49 observations, autocmod 2.9c
comet total magnitude slope K1 11.   n/a 23 autocmod 2.9c
comet nuclear magnitude M2 14.7   0.8 23 from 92 observations, autocmod 2.9c
comet nuclear magnitude slope K2 5.   n/a 23 autocmod 2.9c
comet nuclear phase coefficient PC 0.03   n/a 23 autocmod 2.9c
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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