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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 150 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2864649249178261 4.6534e-08  
a 4.020074588526721 4.2114e-08 AU
q 2.868464223360353 1.899e-07 AU
i 15.98637018488276 5.4202e-06 deg
node 78.81964461222898 2.8453e-05 deg
peri 176.3975102920859 3.9585e-05 deg
M 152.2102781623533 2.0103e-05 deg
tp 2453375.724383930620
(2005-Jan-05.22438393)
0.00016336 JED
period 2944.079908368577
8.06
4.6262e-05
1.267e-07
d
yr
n .1222792896947859 1.9215e-09 deg/d
Q 5.171684953693089 5.4178e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      2677  
   data-arc span      4183 days (11.45 yr)  
   first obs. used      2003-03-07  
   last obs. used      2014-08-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .61573  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-24 20:15:16  

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 0.9 150 2 parameter fit from 693 observations, autocmod 2.5c
comet total magnitude slope K1 17.   n/a 150 autocmod 2.5c
comet nuclear magnitude M2 11.3 mag 0.6 150 from 1523 observations, autocmod 2.5c
comet nuclear magnitude slope K2 5.   n/a 150 autocmod 2.5c
comet nuclear phase coefficient PC 0.03   n/a 150 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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