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C/2014 L5 (Lemmon)
Classification: Hyperbolic Comet          SPK-ID: 1003320
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456905.5 (2014-Sep-05.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.002643158276895 3.7848e-05  
a -2346.877571743907 33.593 au
q 6.203168878614375 3.2205e-05 au
i 122.8051339962255 0.00011222 deg
node 35.68347220214331 0.00010729 deg
peri 45.61120967844888 0.0007378 deg
M -.0007141397800444495 1.5316e-05 deg
tp 2456987.878675201856
(2014-Nov-26.37867520)
0.0083057 TDB
period n/a
n/a
n/a
n/a
d
yr
n 8.668988403789722E-6 1.8613e-07 deg/d
Q n/a n/a au
  Orbit Determination Parameters
   # obs. used (total)      75  
   data-arc span      702 days (1.92 yr)  
   first obs. used      2013-10-12  
   last obs. used      2015-09-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   norm. resid. RMS      .60401  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:32:55  

Additional Information
 Earth MOID = 5.39987 au 
 Jupiter MOID = 2.11872 au 
 T_jup = -1.670 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 6.9   0.6 18 from 48 observations, assumed slope, autocmod 2.9c
comet total magnitude slope K1 11.5   n/a 18 autocmod 2.9c
comet nuclear magnitude M2 12.7   0.4 18 from 20 observations, autocmod 2.9c
comet nuclear magnitude slope K2 5.   n/a 18 autocmod 2.9c
comet nuclear phase coefficient PC 0.03   n/a 18 autocmod 2.9c
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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