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P/2020 S6 (Leonard)
Classification: Jupiter-family Comet          SPK-ID: 1003731
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459161.5 (2020-Nov-08.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4790374026388626 9.034e-06  
a 3.598777285820521 8.6116e-05 au
q 1.874828362145323 1.2602e-05 au
i 15.45993928290558 0.00020593 deg
node 242.5708986053258 5.9063e-05 deg
peri 176.6523407939618 0.00097977 deg
M 357.7466030505025 0.00031293 deg
tp 2459177.108676663571
(2020-Nov-23.60867666)
0.0021464 TDB
period 2493.623504788402
6.83
0.089506
0.0002451
d
yr
n .1443682253189814 5.1819e-06 deg/d
Q 5.32272620949572 0.00012737 au
  Orbit Determination Parameters
   # obs. used (total)      276  
   data-arc span      143 days  
   first obs. used      2020-08-28  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .59589  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jan-30 21:12:56  

Additional Information
 Earth MOID = .887193 au 
 Jupiter MOID = .060618 au 
 T_jup = 2.853 
[ 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 8.6   0.8 5 from 232 observations, assumed slope, autocmod 2.8
comet total magnitude slope K1 37.75   n/a 5 autocmod 2.8
comet nuclear magnitude M2 17.7   0.7 5 from 8 observations, autocmod 2.8
comet nuclear magnitude slope K2 5.   n/a 5 autocmod 2.8
comet nuclear phase coefficient PC 0.03   n/a 5 autocmod 2.8

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2020.9   P/2020 S6       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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