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305P/Skiff
Classification: Jupiter-family Comet          SPK-ID: 1000518
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2455698.5 (2011-May-17.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6961109774321921 9.9458e-08  
a 4.620542073676457 3.4654e-08 au
q 1.404132014502971 4.5633e-07 au
i 11.51937152271314 1.4235e-05 deg
node 242.0228259070422 7.6757e-05 deg
peri 144.892345338888 0.00010323 deg
M 232.7670420078353 1.039e-05 deg
tp 2456980.638507620130
(2014-Nov-19.13850762)
0.00011081 TDB
period 3627.753924982796
9.93
4.0812e-05
1.117e-07
d
yr
n .09923495569002995 1.1164e-09 deg/d
Q 7.836952132849944 5.8777e-08 au
  Orbit Determination Parameters
   # obs. used (total)      552  
   data-arc span      3805 days (10.42 yr)  
   first obs. used      2004-10-07  
   last obs. used      2015-03-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .74957  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:28:18  

Additional Information
 Earth MOID = .430434 au 
 Jupiter MOID = .038089 au 
 T_jup = 2.452 
[ 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 16.4   1. 40 2 parameter fit from 252 observations, autocmod 2.9c
comet total magnitude slope K1 4.5   n/a 40 autocmod 2.9c
comet nuclear magnitude M2 18.7   0.6 40 from 238 observations, autocmod 2.9c
comet nuclear magnitude slope K2 5.   n/a 40 autocmod 2.9c
comet nuclear phase coefficient PC 0.03   n/a 40 autocmod 2.9c

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2014.9   305P/2014 N1       
 2005.0   305P/2004 V1       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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