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396P/Leonard (2020 F1)
Classification: Jupiter-family Comet          SPK-ID: 1003664
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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.


Orbital Elements at Epoch 2457980.5 (2017-Aug-15.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4181318187370227 7.0349e-07  
a 6.845797245864051 6.3039e-07 au
q 3.983351592746015 4.59e-06 au
i 5.433585113808016 7.1573e-05 deg
node 136.6741471411291 0.00053853 deg
peri 8.634944813945031 0.0034629 deg
M 319.0707239519149 0.0014062 deg
tp 2458724.316893178210
(2019-Aug-28.81689318)		 0.025645 TDB
period 6542.360564344352
17.91		 0.00090367
2.474e-06		 d
yr
n .0550260103305813 7.6005e-09 deg/d
Q 9.708242898982087 8.9397e-07 au
   Orbit Determination Parameters
   # obs. used (total)      125  
   data-arc span      6622 days (18.13 yr)  
   first obs. used      2002-03-05  
   last obs. used      2020-04-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      2  
   norm. resid. RMS      .4245  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:28:45  

Additional Information
 Earth MOID = 2.99586 au 
 Jupiter MOID = .378821 au 
 T_jup = 2.835 
[ 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 15.6   0.7 8 2 parameter fit from 107 observations, autocmod 2.9c
comet total magnitude slope K1 4.5   n/a 8 autocmod 2.9c

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year (est.)		  New-Style 
Desig		 Roman
 Numeral 		 Year/
 Letter 
 2019.7   396P/2020 F1       
 2001.7   396P/2002 E4       
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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