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303P/NEAT
Classification: Jupiter-family Comet          SPK-ID: 1000463
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2454849.5 (2009-Jan-18.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5104416819863621 1.0185e-06  
a 5.075130668072057 1.2514e-06 au
q 2.484572433560787 5.61e-06 au
i 7.06762822446798 2.5724e-05 deg
node 348.2152878542255 0.00014507 deg
peri 356.5401281321852 0.0009114 deg
M 180.0641673808136 0.00034643 deg
tp 2456936.797853679447
(2014-Oct-06.29785368)
0.0033873 TDB
period 4176.084420688518
11.43
0.0015446
4.229e-06
d
yr
n .086205153855737 3.1885e-08 deg/d
Q 7.665688902583327 1.8902e-06 au
  Orbit Determination Parameters
   # obs. used (total)      246  
   data-arc span      4113 days (11.26 yr)  
   first obs. used      2003-10-17  
   last obs. used      2015-01-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      1  
   norm. resid. RMS      .64573  
   source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 13:04:49  

Additional Information
 Earth MOID = 1.47712 au 
 T_jup = 2.711 
[ 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 12.5   1. 34 from 125 observations, assumed slope, autocmod 2.6
comet total magnitude slope K1 13.   n/a 34 autocmod 2.6
comet nuclear magnitude M2 15.7   0.7 34 from 84 observations, autocmod 2.6
comet nuclear magnitude slope K2 5.   n/a 34 autocmod 2.6
comet nuclear phase coefficient PC 0.03   n/a 34 autocmod 2.6

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2014.8   303P/2014 L1       
 2003.3   303P/2003 U3       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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