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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2455419.5 (2010-Aug-11.0) TDB
Reference: JPL 72 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3649285571853082 1.0569e-07  
a 3.529450771984996 1.2949e-07 au
q 2.241453394107939 4.2251e-07 au
i 11.60310204668613 1.0316e-05 deg
node 39.35563828994676 3.5795e-05 deg
peri 180.359115212385 3.0192e-05 deg
M 98.63821703260639 2.692e-05 deg
tp 2454755.906944061866
(2008-Oct-16.40694406)
0.00015144 TDB
period 2421.916244276377
6.63
0.00013328
3.649e-07
d
yr
n .1486426299219779 8.18e-09 deg/d
Q 4.817448149862053 1.7674e-07 au
  Orbit Determination Parameters
   # obs. used (total)      609  
   data-arc span      9914 days (27.14 yr)  
   first obs. used      1993-10-20  
   last obs. used      2020-12-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47095  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:27:45  

Additional Information
 Earth MOID = 1.23279 au 
 Jupiter MOID = .158397 au 
 T_jup = 2.977 
[ 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 72 2 parameter fit from 451 observations, autocmod 2.9c
comet total magnitude slope K1 4.5   n/a 72 autocmod 2.9c

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1952-Sep-28 13:57 00:04 Jupiter 0.277572655255249 0.277560149193323 0.27758516133106 4.44786682778501 3.69870929931308 2434284.081189275 3.60248709701946 628.024000357774 62.7738184458474 16.7981152509963 195677.768551425 T 72 CATAB v2.0g-lin.ifort 2021-Apr-15 23:27:47 2021-Apr-15 23:27
2011-Sep-02 12:21 00:01 Jupiter 0.238616155519707 0.238615552058907 0.238616758981035 4.54790468038706 3.68564518869483 2455807.014391823 1.40693579789391 63.8785871955876 34.0473362442282 80.2680348388948 1634561.4402808 T 72 CATAB v2.0g-lin.ifort 2021-Apr-15 23:27:47 2021-Apr-15 23:27
2015-Feb-09 00:43 00:03 Jupiter 1.4553283371076 1.4553260863578 1.45533058785037 2.26911626165749 1.99621120468957 2457062.530094939 3.3388748724565 294.362871876529 94.8796939186055 -73.442828698887 345733.6670578 T 72 CATAB v2.0g-lin.ifort 2021-Apr-15 23:27:47 2021-Apr-15 23:27
2043-Dec-19 09:01 00:09 Jupiter 1.88673831194461 1.88673325584276 1.88674336805065 4.13443819342423 4.02438933869168 2467602.875776014 8.70877201699864 305.637775819442 100.369596902852 -49.5835117346231 629882.007641147 T 72 CATAB v2.0g-lin.ifort 2021-Apr-15 23:27:47 2021-Apr-15 23:27
2048-Jul-08 03:51 00:02 Jupiter 1.69307203007997 1.69305511849959 1.69308894169702 6.38376166904154 6.30490589594808 2469265.660605495 1.64605694324535 933.786865667857 129.936191052461 -28.1688387323021 553192.801869445 T 72 CATAB v2.0g-lin.ifort 2021-Apr-15 23:27:47 2021-Apr-15 23:27
2070-Dec-24 22:49 00:02 Jupiter 1.28041357724127 1.28040307370152 1.28042408077854 6.38206484654209 6.27755577572037 2477470.450501165 1.89769522868374 515.96887340006 75.0090681905892 -2.6812339973862 263271.230664464 T 72 CATAB v2.0g-lin.ifort 2021-Apr-15 23:27:47 2021-Apr-15 23:27
2075-Sep-16 21:59 00:03 Jupiter 1.69351553483708 1.69351269869694 1.69351837097723 4.33110311244209 4.21404099586421 2479197.415891206 3.2734163896882 250.802064010379 120.686175774184 79.6053496219938 654514.16312563 T 72 CATAB v2.0g-lin.ifort 2021-Apr-15 23:27:47 2021-Apr-15 23:27
2106-May-04 00:38 00:01 Jupiter 0.30626880620221 0.306248834178635 0.306288778152317 4.45236016585853 3.78051254802969 2490383.526109393 1.06033586781757 953.864931345076 65.0400221500246 -2.7692854868527 49183.1115868103 T 72 CATAB v2.0g-lin.ifort 2021-Apr-15 23:27:47 2021-Apr-15 23:27
2118-Mar-20 09:39 02:04 Jupiter 1.34089319460186 1.34020017277193 1.34158621008068 6.21053566094187 6.10797696532261 2494721.901846692 123.542494358869 34240.2300732694 101.306438783383 7.46342287434162 165207.821941625 T 72 CATAB v2.0g-lin.ifort 2021-Apr-15 23:27:47 2021-Apr-15 23:27

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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