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306P/LINEAR
Classification: Jupiter-family Comet [NEO]          SPK-ID: 1000448
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2453391.5 (2005-Jan-21.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5982594906974988 2.9083e-07  
a 3.103790893731194 3.1345e-08 au
q 1.246918534416035 8.9923e-07 au
i 8.364457776766727 1.7263e-05 deg
node 341.4986017466438 7.2013e-05 deg
peri .7688016312200395 7.3406e-05 deg
M 94.8149490108902 1.1249e-05 deg
tp 2452865.468896867505
(2003-Aug-13.96889687)
6.2686e-05 TDB
period 1997.271517869482
5.47
3.0256e-05
8.284e-08
d
yr
n .1802458988570654 2.7305e-09 deg/d
Q 4.960663253046352 5.0098e-08 au
  Orbit Determination Parameters
   # obs. used (total)      343  
   data-arc span      4156 days (11.38 yr)  
   first obs. used      2003-07-30  
   last obs. used      2014-12-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   norm. resid. RMS      .72879  
   source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 00:00:29  

Additional Information
 Earth MOID = .239208 au 
 T_jup = 2.901 
[ 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 17.7   1. 31 from 127 observations, assumed slope, autocmod 2.6
comet total magnitude slope K1 16.   n/a 31 autocmod 2.6
comet nuclear magnitude M2 21.1   0.6 31 from 133 observations, autocmod 2.6
comet nuclear magnitude slope K2 5.   n/a 31 autocmod 2.6
comet nuclear phase coefficient PC 0.03   n/a 31 autocmod 2.6

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2014.6   306P/2014 M5       
 2003.6   306P/2003 O3       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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