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P/2019 LM4 (Palomar)
Classification: Jupiter-family Comet          SPK-ID: 1003684
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458967.5 (2020-Apr-28.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5852178855214965 2.4679e-05  
a 5.717802161455642 0.00039999 au
q 2.371642070698329 3.7095e-05 au
i 36.39470478331467 8.9884e-05 deg
node 72.85845982942875 8.8498e-05 deg
peri 68.37242253832575 0.002589 deg
M 22.69008776197903 0.0028793 deg
tp 2458652.742716478172
(2019-Jun-18.24271648)
0.0087587 TDB
period 4993.926125650868
13.67
0.52403
0.001435
d
yr
n .07208757016866775 7.5644e-06 deg/d
Q 9.063962252212955 0.00063408 au
  Orbit Determination Parameters
   # obs. used (total)      234  
   data-arc span      378 days (1.03 yr)  
   first obs. used      2019-06-04  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .51029  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-26 16:17:54  

Additional Information
 Earth MOID = 1.60377 au 
 Jupiter MOID = .379744 au 
 T_jup = 2.278 
[ 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
absolute magnitude H 14.142   .37812 2 autocmod 2.8
comet total magnitude M1 13.3   0.9 11 2 parameter fit from 219 observations, autocmod 2.8
comet total magnitude slope K1 4.5   n/a 11 autocmod 2.8

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2019.5   P/2019 LM4       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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