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JPL Small-Body Database Browser
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P/2011 FR143 (Lemmon)
Classification: Jupiter-family Comet          SPK-ID: 1003184
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2455787.5 (2011-Aug-14.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4530546778566906 3.1046e-05  
a 6.829592481651051 0.0003712 au
q 3.735413659984158 6.4583e-05 au
i 16.01358180890205 7.3004e-05 deg
node 191.0225777964752 0.00011629 deg
peri 349.9158712519903 0.0042486 deg
M 8.637134269929257 0.0015267 deg
tp 2455631.092424996380
(2011-Mar-10.59242500)
0.02528 TDB
period 6519.144572909874
17.85
0.53149
0.001455
d
yr
n .05522196907489521 4.5021e-06 deg/d
Q 9.923771303317945 0.00053938 au
  Orbit Determination Parameters
   # obs. used (total)      59  
   data-arc span      463 days (1.27 yr)  
   first obs. used      2011-03-05  
   last obs. used      2012-06-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      3  
   norm. resid. RMS      .45432  
   source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-18 11:57:22  

Additional Information
 Earth MOID = 2.74165 au 
 T_jup = 2.725 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 11.1   0.8 5 from 14 observations, assumed slope, autocmod 2.5c
comet total magnitude slope K1 10.   n/a 5 autocmod 2.5c
comet nuclear magnitude M2 14.5   0.7 5 from 39 observations, autocmod 2.5c
comet nuclear magnitude slope K2 5.   n/a 5 autocmod 2.5c
comet nuclear phase coefficient PC 0.03   n/a 5 autocmod 2.5c

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2011.2   P/2011 FR143       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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