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246P/NEAT
Classification: Jupiter-family Comet          SPK-ID: 1000486
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2454652.5 (2008-Jul-05.0) TDB
Reference: JPL 153 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2864310122578702 4.527e-08  
a 4.020209069125861 4.1919e-08 AU
q 2.868696515967871 1.8421e-07 AU
i 15.98611864342723 5.3647e-06 deg
node 78.81995234476001 2.843e-05 deg
peri 176.4023906604849 3.856e-05 deg
M 156.1159723211901 1.9389e-05 deg
tp 2453375.719553976531
(2005-Jan-05.21955398)
0.0001569 JED
period 2944.227638814509
8.06
4.6049e-05
1.261e-07
d
yr
n .1222731541726012 1.9124e-09 deg/d
Q 5.171721622283851 5.3925e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      2735  
   data-arc span      4212 days (11.53 yr)  
   first obs. used      2003-03-07  
   last obs. used      2014-09-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .61471  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-22 12:12:46  

Additional Information
 Earth MOID = 1.85381 AU 
 T_jup = 2.913 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 5.1 mag 0.9 153 2 parameter fit from 702 observations, autocmod 2.6
comet total magnitude slope K1 16.   n/a 153 autocmod 2.6
comet nuclear magnitude M2 11.3 mag 0.6 153 from 1568 observations, autocmod 2.6
comet nuclear magnitude slope K2 5.   n/a 153 autocmod 2.6
comet nuclear phase coefficient PC 0.03   n/a 153 autocmod 2.6

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2013.1   246P/2010 V2       
 2005.0   246P/2004 F3       
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]
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