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202P/Scotti
Classification: Jupiter-family Comet          SPK-ID: 1000364
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2454040.5 (2006-Nov-01.0) TDB
Reference: JPL 76 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3303012721025526 2.9687e-07  
a 3.772643640847002 1.6477e-07 au
q 2.526534647085631 1.2234e-06 au
i 2.185411222722455 8.1958e-06 deg
node 194.5869624274636 0.00035275 deg
peri 255.6483522385398 0.0003714 deg
M 248.4288177780418 4.8056e-05 deg
tp 2454870.000471822602
(2009-Feb-07.50047182)
0.00032514 TDB
period 2676.499109439083
7.33
0.00017534
4.801e-07
d
yr
n .134504061193372 8.8115e-09 deg/d
Q 5.018752634608372 2.1919e-07 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] -2.714912134748227E-9 1.304E-9
A2 [EST] 1.812861226272764E-10 1.283E-11
  Orbit Determination Parameters
   # obs. used (total)      414  
   data-arc span      31889 days (87.31 yr)  
   first obs. used      1929-11-27  
   last obs. used      2017-03-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .83964  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 11:13:13  

Additional Information
 Earth MOID = 1.54437 au 
 Jupiter MOID = .287037 au 
 T_jup = 2.985 
[ 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 15.9   0.8 76 2 parameter fit from 298 observations, autocmod 2.8
comet total magnitude slope K1 5.25   n/a 76 autocmod 2.8

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2009.1   202P/2008 R2       
 2001.8   202P/2001 X2       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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