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C/2007 K5 (Lovejoy)
Classification: Comet          SPK-ID: 1002461
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2454266.5 (2007-Jun-15.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9766208669695965 0.0007042  
a 49.15274955588096 1.489 AU
q 1.149148670677048 0.00019985 AU
i 64.88353133513537 0.0027917 deg
node 193.7388759687059 0.0020584 deg
peri 255.5829815227559 0.018149 deg
M .1259652852878475 0.0057745 deg
tp 2454222.457848553835
(2007-May-01.95784855)
0.017711 JED
period 125869.397146906
344.61
5719.6
15.66
d
yr
n .00286010744597301 0.00012997 deg/d
Q 97.15635044108488 2.9432 AU
  Orbit Determination Parameters
   # obs. used (total)      48  
   data-arc span      50 days  
   first obs. used      2007-05-29  
   last obs. used      2007-07-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      6  
   fit RMS      .58028  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-13 19:43:57  

Additional Information
 Earth MOID = .59986 AU 
 T_jup = 0.667 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 12.0 mag 0.4 9 from 7 observations, assumed slope, autocmod 2.5c
comet total magnitude slope K1 10.   n/a 9 autocmod 2.5c
comet nuclear magnitude M2 16.8 mag 0.9 9 from 33 observations, autocmod 2.5c
comet nuclear magnitude slope K2 5.   n/a 9 autocmod 2.5c
comet nuclear phase coefficient PC 0.03   n/a 9 autocmod 2.5c

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2007.3   C/2007 K5       
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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