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243P/NEAT (2003 S2)
Classification: Jupiter-family Comet          SPK-ID: 1000454
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2455533.5 (2010-Dec-03.0) TDB
Reference: JPL 46 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3597096002421862 2.2469e-07  
a 3.835856530011529 2.4074e-08 au
q 2.456062111014702 8.6512e-07 au
i 7.634736282179496 1.3153e-05 deg
node 87.72780956250945 0.00014756 deg
peri 283.9477690753499 0.00016699 deg
M 348.1260723147651 3.0511e-05 deg
tp 2455624.007351940917
(2011-Mar-03.50735194)
0.00023268 TDB
period 2744.049615465183
7.51
2.5833e-05
7.073e-08
d
yr
n .1311929631195722 1.2351e-09 deg/d
Q 5.215650949008356 3.2734e-08 au
  Orbit Determination Parameters
   # obs. used (total)      742  
   data-arc span      6019 days (16.48 yr)  
   first obs. used      2003-08-01  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .73936  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-05 13:16:20  

Additional Information
 Earth MOID = 1.46967 au 
 Jupiter MOID = .604425 au 
 T_jup = 2.945 
[ 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 10.4   0.8 46 2 parameter fit from 467 observations, autocmod 2.8
comet total magnitude slope K1 15.5   n/a 46 autocmod 2.8
comet nuclear magnitude M2 14.8   0.7 46 from 191 observations, autocmod 2.8
comet nuclear magnitude slope K2 5.   n/a 46 autocmod 2.8
comet nuclear phase coefficient PC 0.03   n/a 46 autocmod 2.8

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2011.2   243P/2010 P5       
 2003.7   243P/2003 S2       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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