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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 2455717.5 (2011-Jun-05.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6961317748629123 9.5324e-08  
a 4.620412093886077 3.3736e-08 au
q 1.403996422371097 4.3731e-07 au
i 11.5203604187501 1.3715e-05 deg
node 242.0209241571325 7.3934e-05 deg
peri 144.8966784182669 9.9635e-05 deg
M 234.6465597638798 1.0131e-05 deg
tp 2456980.645128174741
(2014-Nov-19.14512817)
0.00010796 TDB
period 3627.600848340158
9.93
3.9731e-05
1.088e-07
d
yr
n .0992391431832202 1.0869e-09 deg/d
Q 7.836827765401057 5.7221e-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.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   norm. resid. RMS      .77881  
   source      ORB  
   producer      Otto Matic  
   solution date      2016-Aug-16 16:14:25  

Additional Information
 Earth MOID = .427671 au 
 Jupiter MOID = .0380979 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 14.2   1. 39 from 258 observations, assumed slope, autocmod 2.6g
comet total magnitude slope K1 17.   n/a 39 autocmod 2.6g
comet nuclear magnitude M2 18.7   0.6 39 from 238 observations, autocmod 2.6g
comet nuclear magnitude slope K2 5.   n/a 39 autocmod 2.6g
comet nuclear phase coefficient PC 0.03   n/a 39 autocmod 2.6g

[ 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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