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327P/Van Ness
Classification: Jupiter-family Comet          SPK-ID: 1000405
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2454917.5 (2009-Mar-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5640019161581543 2.939e-07  
a 3.557887976631412 1.0417e-07 au
q 1.551232340335237 1.085e-06 au
i 36.28205441755987 3.1558e-05 deg
node 173.9991450792475 4.6078e-05 deg
peri 185.022139809866 0.00013018 deg
M .7758104119914314 3.5753e-05 deg
tp 2454912.217494782356
(2009-Mar-21.71749478)
0.00024351 TDB
period 2451.245625165499
6.71
0.00010765
2.947e-07
d
yr
n .1468641070907344 6.4499e-09 deg/d
Q 5.564543612927587 1.6292e-07 au
  Orbit Determination Parameters
   # obs. used (total)      125  
   data-arc span      4946 days (13.54 yr)  
   first obs. used      2002-08-17  
   last obs. used      2016-03-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   norm. resid. RMS      .90197  
   source      ORB  
   producer      Otto Matic  
   solution date      2016-Mar-24 15:39:39  

Additional Information
 Earth MOID = .545992 au 
 Jupiter MOID = .103703 au 
 T_jup = 2.563 
[ 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 11.9   0.5 22 2 parameter fit from 56 observations, autocmod 2.6f
comet total magnitude slope K1 23.   n/a 22 autocmod 2.6f
comet nuclear magnitude M2 17.9   0.8 22 from 28 observations, autocmod 2.6f
comet nuclear magnitude slope K2 5.   n/a 22 autocmod 2.6f
comet nuclear phase coefficient PC 0.03   n/a 22 autocmod 2.6f

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2015.9   327P/2015 P2       
 2002.5   327P/2002 Q1       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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