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328P/LONEOS-Tucker
Classification: Jupiter-family Comet          SPK-ID: 1000229
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2454195.5 (2007-Apr-05.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5519165282894116 4.9862e-07  
a 4.195416939717139 1.3759e-07 au
q 1.879896987621868 2.0982e-06 au
i 17.71141991753039 3.9273e-05 deg
node 341.8127205359627 5.2232e-05 deg
peri 30.32950194075691 0.00031504 deg
M 355.8432493056803 6.9308e-05 deg
tp 2454231.742036650358
(2007-May-11.24203665)
0.00060579 TDB
period 3138.781744105625
8.59
0.00015441
4.228e-07
d
yr
n .1146941805291338 5.6423e-09 deg/d
Q 6.510936891812411 2.1354e-07 au
  Orbit Determination Parameters
   # obs. used (total)      393  
   data-arc span      6339 days (17.36 yr)  
   first obs. used      1998-08-27  
   last obs. used      2016-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .87326  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-09 08:46:24  

Additional Information
 Earth MOID = .8994 au 
 Jupiter MOID = .0140097 au 
 T_jup = 2.667 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 2.486266497067776E-13 -1.045789028493978E-12 1.316580233580421E-10 4.502009543012411E-12 7.791054327917218E-11 -9.507843278039748E-12
q -1.045789028493978E-12 4.402635459237725E-12 -5.208161680327114E-10 -1.998607034419531E-11 -3.114742339982371E-10 3.924120187893166E-11
tp 1.316580233580421E-10 -5.208161680327114E-10 3.669810909053279E-7 -7.393894423760985E-9 1.882331690957825E-7 -1.241054693774395E-8
node 4.502009543012411E-12 -1.998607034419531E-11 -7.393894423760985E-9 2.728138191294599E-9 -5.565605792463663E-9 9.634604517090205E-10
peri 7.791054327917218E-11 -3.114742339982371E-10 1.882331690957825E-7 -5.565605792463663E-9 9.925272027826323E-8 -7.425885545859752E-9
i -9.507843278039748E-12 3.924120187893166E-11 -1.241054693774395E-8 9.634604517090205E-10 -7.425885545859752E-9 1.542331810128629E-9

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 7.1   0.9 9 from 222 observations, assumed slope, autocmod 2.8
comet total magnitude slope K1 34.   n/a 9 autocmod 2.8
comet nuclear magnitude M2 16.8   0.9 9 from 19 observations, autocmod 2.8
comet nuclear magnitude slope K2 5.   n/a 9 autocmod 2.8
comet nuclear phase coefficient PC 0.03   n/a 9 autocmod 2.8

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2015.9   328P/2015 S1       
 1998.8   328P/1998 QP54       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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