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172P/Yeung
Classification: Jupiter-family Comet          SPK-ID: 1000388
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2455358.5 (2010-Jun-11.0) TDB
Reference: JPL 70 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3641795190901364 1.0577e-07  
a 3.526379825453994 1.2632e-07 au
q 2.242144516490999 4.2122e-07 au
i 11.55997607542379 1.0348e-05 deg
node 39.59339106679972 3.5914e-05 deg
peri 179.9822225983562 3.0499e-05 deg
M 89.85922177800967 2.6794e-05 deg
tp 2454754.756856676995
(2008-Oct-15.25685668)
0.00015369 TDB
period 2418.755997389141
6.62
0.00012997
3.558e-07
d
yr
n .148836840255318 7.9974e-09 deg/d
Q 4.810615134416989 1.7232e-07 au
  Orbit Determination Parameters
   # obs. used (total)      598  
   data-arc span      9887 days (27.07 yr)  
   first obs. used      1993-10-20  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47511  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-17 00:12:44  

Additional Information
 Earth MOID = 1.23453 au 
 Jupiter MOID = .164246 au 
 T_jup = 2.978 
[ 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 14.8   0.4 70 2 parameter fit from 440 observations, autocmod 2.8
comet total magnitude slope K1 4.5   n/a 70 autocmod 2.8

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2002.2   172P/2001 CB40       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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