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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 2454921.5 (2009-Mar-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5639985846989645 2.9659e-07  
a 3.557860586426894 1.051e-07 au
q 1.551232251125898 1.0949e-06 au
i 36.2820940816616 3.1964e-05 deg
node 173.9991681577681 4.6799e-05 deg
peri 185.0220986033373 0.00013086 deg
M 1.363286871824341 3.6021e-05 deg
tp 2454912.217465580415
(2009-Mar-21.71746558)
0.00024539 TDB
period 2451.217319050937
6.71
0.00010862
2.974e-07
d
yr
n .146865803044907 6.5077e-09 deg/d
Q 5.56448892172789 1.6438e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .89166  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:28:24  

Additional Information
 Earth MOID = .546845 au 
 Jupiter MOID = .103608 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 23 2 parameter fit from 56 observations, autocmod 2.9c
comet total magnitude slope K1 23.   n/a 23 autocmod 2.9c
comet nuclear magnitude M2 17.9   0.8 23 from 28 observations, autocmod 2.9c
comet nuclear magnitude slope K2 5.   n/a 23 autocmod 2.9c
comet nuclear phase coefficient PC 0.03   n/a 23 autocmod 2.9c

[ 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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