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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 2454620.5 (2008-Jun-03.0) TDB
Reference: JPL 140 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2864649476676403 4.7124e-08  
a 4.020074554057139 4.1678e-08 AU
q 2.868464107309148 1.9371e-07 AU
i 15.98638231863717 5.4002e-06 deg
node 78.81970049905094 2.8487e-05 deg
peri 176.3975519956662 4.0118e-05 deg
M 152.2102243106609 2.0433e-05 deg
tp 2453375.724840339480
(2005-Jan-05.22484034)
0.00016675 JED
period 2944.079870503159
8.06
4.5784e-05
1.253e-07
d
yr
n .1222792912674866 1.9016e-09 deg/d
Q 5.17168500080513 5.3617e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      2616  
   data-arc span      3902 days (10.68 yr)  
   first obs. used      2003-03-07  
   last obs. used      2013-11-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .61545  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Dec-19 21:19:18  

Additional Information
 Earth MOID = 1.85373 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 4.6 mag 0.9 140 2 parameter fit from 677 observations, autocmod 2.5c
comet total magnitude slope K1 17.   n/a 140 autocmod 2.5c
comet nuclear magnitude M2 11.3 mag 0.6 140 from 1483 observations, autocmod 2.5c
comet nuclear magnitude slope K2 5.   n/a 140 autocmod 2.5c
comet nuclear phase coefficient PC 0.03   n/a 140 autocmod 2.5c

[ 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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