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241P/LINEAR
Classification: Jupiter-family Comet          SPK-ID: 1000280
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2454880.5 (2009-Feb-18.0) TDB
Reference: JPL 48 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6143945505731202 7.2357e-07  
a 4.948693859491953 2.8149e-06 au
q 1.908243319765435 3.5089e-06 au
i 20.95182630683707 4.0064e-05 deg
node 306.0017933556673 3.1035e-05 deg
peri 110.4138827467421 0.00044067 deg
M 313.9470901527747 3.6283e-05 deg
tp 2455394.885697165581
(2010-Jul-17.38569717)
0.00075067 TDB
period 4021.002181923285
11.01
0.0034308
9.393e-06
d
yr
n .08952991908793456 7.639e-08 deg/d
Q 7.989144399218471 4.5444e-06 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] -3.687846123727585E-9 2.093E-9
A2 [EST] 3.921138983873856E-10 3.388E-11
  Orbit Determination Parameters
   # obs. used (total)      486  
   data-arc span      7660 days (20.97 yr)  
   first obs. used      1999-10-30  
   last obs. used      2020-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .65881  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-30 21:15:28  

Additional Information
 Earth MOID = 1.02702 au 
 Jupiter MOID = .56526 au 
 T_jup = 2.489 
[ 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 13.7   0.8 48 2 parameter fit from 196 observations, autocmod 2.8
comet total magnitude slope K1 9.25   n/a 48 autocmod 2.8

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2010.5   241P/2010 P2       
 1999.5   241P/1999 U3       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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