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JPL Small-Body Database Browser
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P/2018 L5 (Leonard)
Classification: Jupiter-family Comet          SPK-ID: 1003577
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458354.5 (2018-Aug-24.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3644976235232481 2.6833e-06  
a 3.624573223023344 3.7443e-05 au
q 2.303424896945335 1.911e-05 au
i 2.209154344605445 4.0436e-05 deg
node 219.1587012013486 0.0012146 deg
peri 93.65090053068018 0.0016834 deg
M 15.92288922715476 0.00058342 deg
tp 2458243.018419677480
(2018-May-04.51841968)
0.0023997 TDB
period 2520.48283094654
6.90
0.039056
0.0001069
d
yr
n .1428297767316296 2.2132e-06 deg/d
Q 4.945721549101353 5.1091e-05 au
  Orbit Determination Parameters
   # obs. used (total)      201  
   data-arc span      559 days (1.53 yr)  
   first obs. used      2018-06-08  
   last obs. used      2019-12-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .6057  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-09 08:45:52  

Additional Information
 Earth MOID = 1.29028 au 
 Jupiter MOID = .441861 au 
 T_jup = 2.989 
[ 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 16.2   0.8 6 2 parameter fit from 159 observations, autocmod 2.8
comet total magnitude slope K1 4.5   n/a 6 autocmod 2.8

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2018.3   P/2018 L5       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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