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374P/Larson
Classification: Jupiter-family Comet          SPK-ID: 1002485
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2455703.5 (2011-May-22.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4625051328085132 2.2732e-06  
a 4.968591314307033 2.638e-07 au
q 2.670592328612233 1.1287e-05 au
i 10.79084233675938 6.2462e-05 deg
node 8.161295058542768 0.0002654 deg
peri 51.42024881914991 0.0023176 deg
M 112.063972659251 0.00072027 deg
tp 2454444.250306117885
(2007-Dec-09.75030612)
0.0080245 TDB
period 4045.277702013881
11.08
0.00032217
8.821e-07
d
yr
n .08899265427952681 7.0875e-09 deg/d
Q 7.266590300001832 3.8581e-07 au
  Orbit Determination Parameters
   # obs. used (total)      286  
   data-arc span      4168 days (11.41 yr)  
   first obs. used      2007-09-10  
   last obs. used      2019-02-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .76685  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-15 08:31:29  

Additional Information
 Earth MOID = 1.69957 au 
 Jupiter MOID = .108228 au 
 T_jup = 2.749 
[ 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 6.8   0.6 21 from 135 observations, assumed slope, autocmod 2.6q
comet total magnitude slope K1 25.   n/a 21 autocmod 2.6q
comet nuclear magnitude M2 15.6   0.6 21 from 116 observations, autocmod 2.6q
comet nuclear magnitude slope K2 5.   n/a 21 autocmod 2.6q
comet nuclear phase coefficient PC 0.03   n/a 21 autocmod 2.6q

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2019.0   374P/2018 S1       
 2007.9   374P/2007 V1       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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