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413P/Larson (2020 W4)
Classification: Jupiter-family Comet          SPK-ID: 1003305
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458101.5 (2017-Dec-14.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4238381127207871 5.2788e-07  
a 3.713970316815832 1.038e-07 au
q 2.139848147035586 1.999e-06 au
i 15.98414931016314 2.3015e-05 deg
node 39.06317530823263 3.4009e-05 deg
peri 185.8971025135728 0.00026013 deg
M 179.159984241761 9.5522e-05 deg
tp 2456800.448210782014
(2014-May-22.94821078)
0.00068438 TDB
period 2614.303892137198
7.16
0.0001096
3.001e-07
d
yr
n .1377039605390708 5.7728e-09 deg/d
Q 5.288092486596078 1.4779e-07 au
  Orbit Determination Parameters
   # obs. used (total)      798  
   data-arc span      2737 days (7.49 yr)  
   first obs. used      2014-01-06  
   last obs. used      2021-07-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .84874  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-26 23:12:41  

Additional Information
 Earth MOID = 1.13078 au 
 Jupiter MOID = .222333 au 
 T_jup = 2.872 
[ 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 14.9   0.7 38 2 parameter fit from 532 observations, autocmod 2.9c
comet total magnitude slope K1 6.5   n/a 38 autocmod 2.9c

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2021.5   413P/2020 W4       
 2014.4   413P/2014 E1       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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