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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 71 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3649285621726627 1.0569e-07  
a 3.529450757974038 1.2949e-07 au
q 2.241453367607358 4.2251e-07 au
i 11.60310122334719 1.0316e-05 deg
node 39.3556487525685 3.5795e-05 deg
peri 180.3591041807299 3.0192e-05 deg
M 98.63821886127027 2.692e-05 deg
tp 2454755.906935710873
(2008-Oct-16.40693571)
0.00015144 TDB
period 2421.916229854855
6.63
0.00013328
3.649e-07
d
yr
n .148642630807084 8.18e-09 deg/d
Q 4.817448148340718 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47104  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jan-14 17:13:18  

Additional Information
 Earth MOID = 1.23279 au 
 Jupiter MOID = .158397 au 
 T_jup = 2.977 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 1.117007761562117E-14 -4.404364481113295E-14 -1.233253170536584E-11 -1.226054633798907E-12 -5.903614055427086E-13 7.361044440655344E-14
q -4.404364481113295E-14 1.785162085850262E-13 5.313355204349149E-11 5.01296808588967E-12 2.572857979209241E-12 -4.474649218923124E-13
tp -1.233253170536584E-11 5.313355204349149E-11 2.293418756223791E-8 2.512643047364946E-9 4.299687019882518E-10 -1.014870743316648E-10
node -1.226054633798907E-12 5.01296808588967E-12 2.512643047364946E-9 1.281267432924226E-9 -8.95086322737299E-10 -3.816059608128685E-11
peri -5.903614055427086E-13 2.572857979209241E-12 4.299687019882518E-10 -8.95086322737299E-10 9.115807701848217E-10 4.903077607684476E-11
i 7.361044440655344E-14 -4.474649218923124E-13 -1.014870743316648E-10 -3.816059608128685E-11 4.903077607684476E-11 1.064291810878186E-10

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 71 2 parameter fit from 451 observations, autocmod 2.8
comet total magnitude slope K1 4.5   n/a 71 autocmod 2.8

[ 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 0.277572621327421 0.277560115500588 0.277585127168139 4.44786688913707 3.69870926769063 2434284.081172860 3.60241728022908 628.011885786823 62.7736629832643 16.7979608090008 195676.999787398 T 71 CATAB v2.0f-lin.ifort 2021-Jan-14 17:13:20 2021-Jan-14 17:13
2011-Sep-02 12:21 00:01 Jupiter 0.238616142242349 0.23861553878184 0.238616745703373 4.54790478573788 3.68564525978078 2455807.014363185 1.40693590530933 63.8785840906806 34.0473234859714 80.2680350022341 1634562.4686766 T 71 CATAB v2.0f-lin.ifort 2021-Jan-14 17:13:20 2021-Jan-14 17:13
2015-Feb-09 00:43 00:03 Jupiter 1.45532836036947 1.45532610961947 1.45533061111245 2.26911645106598 1.99621142304198 2457062.530130852 3.33887435785982 294.362857019879 94.8796105749586 -73.4428425598704 345733.701562406 T 71 CATAB v2.0f-lin.ifort 2021-Jan-14 17:13:20 2021-Jan-14 17:13
2043-Dec-19 09:01 00:09 Jupiter 1.88673830785445 1.88673325176109 1.886743363952 4.13443817652196 4.02438932046912 2467602.875792223 8.70875523020976 305.637210030956 100.369611824304 -49.5835154333646 629882.01830873 T 71 CATAB v2.0f-lin.ifort 2021-Jan-14 17:13:20 2021-Jan-14 17:13
2048-Jul-08 03:51 00:02 Jupiter 1.69307184936045 1.69305493782557 1.693088760932 6.38376128846669 6.30490550170526 2469265.660650696 1.64605706779974 933.784465088188 129.936195809892 -28.1688538181484 553193.059654728 T 71 CATAB v2.0f-lin.ifort 2021-Jan-14 17:13:20 2021-Jan-14 17:13
2070-Dec-24 22:49 00:02 Jupiter 1.28041342676362 1.2804029231481 1.28042393037666 6.38206464131428 6.27755555410934 2477470.450444018 1.89769679990759 515.972562578173 75.009115600073 -2.68119196998724 263268.922339797 T 71 CATAB v2.0f-lin.ifort 2021-Jan-14 17:13:20 2021-Jan-14 17:13
2075-Sep-16 21:59 00:03 Jupiter 1.69351553587422 1.69351269970327 1.69351837204517 4.33110316289646 4.21404104713718 2479197.415869149 3.273434500998 250.804268056257 120.686908752334 79.6048080356376 654510.555101824 T 71 CATAB v2.0f-lin.ifort 2021-Jan-14 17:13:20 2021-Jan-14 17:13
2106-May-04 00:38 00:01 Jupiter 0.306268905922503 0.306248933889065 0.306288877882491 4.45236025202879 3.78051288366151 2490383.526047823 1.0603407033971 953.865316190049 65.0395677496039 -2.76922418226047 49182.8998598187 T 71 CATAB v2.0f-lin.ifort 2021-Jan-14 17:13:20 2021-Jan-14 17:13
2118-Mar-20 09:38 02:04 Jupiter 1.34088934290582 1.34019632116702 1.34158235829346 6.21052699220031 6.10796785338025 2494721.901328678 123.542466970845 34240.2239765016 101.305490600521 7.46343401829941 165209.181014723 T 71 CATAB v2.0f-lin.ifort 2021-Jan-14 17:13:20 2021-Jan-14 17:13

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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