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

[ show orbit diagram ]
Orbital Elements at Epoch 2454165.5 (2007-Mar-06.0) TDB
Reference: JPL 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3621000285472535 1.3688e-07  
a 3.513041388595308 1.3515e-07 AU
q 2.240969001497264 5.3671e-07 AU
i 11.51788668666248 1.2491e-05 deg
node 40.10464568849098 7.6126e-05 deg
peri 178.9098815675956 7.9467e-05 deg
M 272.1969040407997 2.2824e-05 deg
tp 2454752.084597676836
(2008-Oct-12.58459768)
0.00017388 JED
period 2405.045663330437
6.58
0.00013879
3.8e-07
d
yr
n .1496853076383933 8.6377e-09 deg/d
Q 4.785113775693352 1.8409e-07 AU
  Orbit Determination Parameters
   # obs. used (total)      366  
   data-arc span      7343 days (20.10 yr)  
   first obs. used      1993-10-20  
   last obs. used      2013-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55092  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-13 19:41:47  

Additional Information
 Earth MOID = 1.23387 AU 
 T_jup = 2.982 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 12.3 mag 0.9 44 from 222 observations, assumed slope, autocmod 2.5c
comet total magnitude slope K1 10.   n/a 44 autocmod 2.5c

[ 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 | Physical Parameters | Close-Approach Data ]
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