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  • MPEC 2008-N20 : COMET 144P/KUSHIDA

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    M.P.E.C. 2008-N20                                Issued 2008 July 8, 02:00 UT
    
         The Minor Planet Electronic Circulars contain information on unusual
             minor planets and routine data on comets.  They are published
       on behalf of Commission 20 of the International Astronomical Union by the
              Minor Planet Center, Smithsonian Astrophysical Observatory,
                              Cambridge, MA 02138, U.S.A.
    
                 Prepared using the Tamkin Foundation Computer Network
    
                                  MPC@CFA.HARVARD.EDU
              URL http://www.cfa.harvard.edu/iau/mpc.html  ISSN 1523-6714
    
                                  COMET 144P/KUSHIDA
    
    Observations:
    0144P         C2007 06 18.51110 22 00 58.85 -07 23 56.4                 EN020568
    0144P         C2007 06 18.51912 22 00 58.80 -07 23 56.3                 EN020568
    0144P         C2007 06 18.54883 22 00 58.60 -07 23 54.5                 EN020568
    0144P         S2007 07 09.96065 22 09 45.458-06 24 54.06                EN020245
    0144P         s2007 07 09.96065 2 -0.44276278 -0.02756464 -0.02981825   EN020245
    0144P         S2007 07 10.09603 22 09 45.606-06 24 44.05                EN020245
    0144P         s2007 07 10.09603 2 -0.44267101 -0.02851609 -0.03020204   EN020245
    
    Observer details:
    245 Spitzer Space Telescope.  Observers M. S. Kelley, Y. Fernandez, H. Weaver,
        I. Toth, W. Reach, J. Pittichova, K. Meech, S. Lowry, C. Lisse,
        J. Licandro, P. Lamy, O. Groussin, A. Fitzsimmons, H. Campins, J. Bauer,
        M. A'Hearn.  Measurer M. S. Kelley.  0.85-m reflector.
    568 Mauna Kea.  Observers K. Meech, J. Pittichova.  Measurer K. Meech.
        Keck II telescope + LRIS.
    
    Orbital elements:
     144P/Kushida
    Epoch 2009 Jan. 9.0 TT = JDT 2454840.5
    T 2009 Jan. 26.85516 TT                                 MPC
    q   1.4389476            (2000.0)            P               Q
    n   0.12964580     Peri.  216.09374     -0.20071096     -0.97747582
    a   3.8663136      Node   245.56545     +0.91476860     -0.16316963
    e   0.6278244      Incl.    4.10917     +0.35059025     -0.13385329
    P   7.60
    Residuals in seconds of arc
    940107 675  1.0+  1.8-    940120 046  0.6-  0.1+    940310 871  0.0   0.7+
    940107 675  1.9-  1.0-    940120 391  1.0-  0.6+    940310 871  0.7+  0.6+
    940108 896 (9.4- 12.3-)Y  940120 391  0.5-  0.7+    940310 605  0.7+  0.2-
    940108 896(16.3- 12.5-)Y  940120 391  1.0+  0.0     940310 605  1.5+  1.3-
    940109 897  0.1+  0.4+    940121 372  0.8+  0.3+    940311 887  0.2+  0.3+
    940109 897  0.3+  0.4+    940122 391  0.9-  0.9-    940311 887  0.7+  0.0
    940109 897  0.3+  0.3+    940122 391  1.0-  0.5-    940311 887  0.1-  0.1+
    940109 385  0.4+  0.1+    940122 391  0.4-  0.2-    940311 056 (1.2-  2.2-)
    940109 385  0.4+  0.2-    940122 587  0.7-  0.5+    940311 056 (0.7+  3.8-)
    940109 360  0.8+  0.1+    940122 587  0.7-  0.3+    940311 540  1.1+  0.2+
    940109 360  0.7+  0.1+    940123 897  0.2-  0.1+    940311 540  0.2+  0.2+
    940109 360  0.7+  0.0     940123 897  1.2-  0.3+    940311 540  0.4-  0.2-
    940109 411  0.8+  0.7-    940123 605  0.2-  1.6-    940311 540  0.2+  1.9-
    940109 411  0.6+  0.8-    940123 605  1.6-  0.1-    940312 801  0.4+  0.0
    940109 411  0.5+  0.7-    940123 605  0.4-  0.4-    940312 801  0.5+  0.2-
    940109 871  0.4+  0.0     940123 605  0.8-  1.2-    940312 675  0.5+  0.7-
    940109 871  1.6+  0.3+    940125 360  0.2-  0.1+    940312 675  1.0+  1.2-
    940109 871  0.8+  0.7-    940125 360  0.4-  0.1+    940312 056  0.4+  1.5-
    940109 402  1.0+  0.1+    940127 104 (2.0-  0.1+)   940312 056  0.6-  1.3-
    940109 391  0.4-  1.0-    940127 104  1.8-  0.6-    940313 391  0.2+  1.9+
    940109 402  1.1+  0.2+    940127 104  1.4-  0.8-    940313 391  0.6-  0.8-
    940109 391  0.5+  0.2-    940131 657  1.7-  0.4-    940314 675  1.5+  0.3-
    940110 400  0.7+  0.3+    940201 897  1.1-  0.7-    940314 675  0.7+  0.9-
    940110 365  0.2+  1.2-    940201 897  0.9-  0.0     940314 391  1.2-  0.1+
    940110 400  0.3-  0.9+    940203 360  0.6-  0.3-    940314 391  0.1-  0.1+
    940110 365  0.8-  0.3-    940203 360  0.6-  0.4-    940315 391  1.2+  0.8-
    940110 896 (2.9+  0.4-)   940206 893 (2.6-  0.1+)   940315 391  0.7+  1.2+
    940110 896 (2.6+  2.6-)   940206 893  0.7-  0.2+    940317 391  0.8-  0.9+
    940111 675  0.5-  0.0     940206 893 (2.4+  1.5-)   940317 391  1.2-  0.8+
    940111 323  1.1+  0.4+    940207 896 (3.5-  0.6+)   940317 897  0.6-  0.1-
    940111 871  0.9+  0.2-    940207 391  0.4-  0.3+    940317 897  0.7+  0.9+
    940111 871  1.0+  0.6+    940207 391  0.1-  1.3-    940317 360  0.4-  0.7+
    940111 372  0.9+  0.4+    940207 893  0.2-  1.8-    940317 360  0.2-  0.7+
    940111 385  0.8+  0.3+    940207 893  0.3-  0.1-    940318 391  0.3-  0.0
    940111 385  0.5+  0.2+    940207 893  0.0   0.4-    940318 391  0.7-  0.5+
    940111 385  0.6+  0.2+    940209 385  0.6-  0.6-    940319 391 (4.0-  1.4+)
    940111 372  1.3+  0.1-    940209 385  0.6-  0.5-    940319 391  1.7-  0.4+
    940111 385  0.2+  0.2+    940209 385  0.5-  0.6-    940321 801  0.6-  1.3+
    940111 896  1.7+  0.3-    940209 046  0.3-  0.2-    940321 801  0.3-  0.6+
    940111 896  0.1+  0.2-    940209 046  0.3-  0.3-    940321 605  0.3+  1.0+
    940112 391  1.6+  0.3+    940209 046  0.0   0.1-    940321 605  0.1-  0.6-
    940112 399  0.6+  1.2+    940209 046  0.4-  0.2-    940327 540  1.5+  0.8+
    940112 391  1.2+  0.4+    940209 046  0.4+  0.6-    940327 540  0.8+  1.2+
    940112 391  0.3+  0.5+    940209 046  0.3-  0.5-    940327 540 (1.1+  2.5+)
    940112 323  1.5+  0.5+    940209 046  0.1-  0.5-    940327 540 (3.4+  2.6+)
    940112 391  0.9+  0.1+    940210 366  0.3-  0.4-    940330 540 (2.7+  0.1+)
    940113 400 (1.0+  2.8+)   940210 366  0.4-  0.5-    940330 540  1.3+  1.6+
    940113 400 (0.6+  2.1+)   940211 391  0.5-  0.3+    940330 540  1.7+  1.4+
    940113 596  1.6+  0.5+    940212 605  0.6-  1.1-    940330 540  1.7+  1.5+
    940113 596  0.3+  0.0     940212 605  0.3+  0.1-    940330 605  0.0   1.8-
    940114 897  0.5+  0.5+    940212 693  0.5-  0.0     940330 605  0.4+  0.4+
    940114 897  0.9+  0.0     940212 693  0.4-  0.0     940331 897  0.2+  0.6-
    940114 897  0.8+  0.2+    940212 693  0.3-  0.1+    940331 897  0.2+  0.6-
    940114 871  0.2+  0.8-    940214 887  0.1+  0.5-    940402 410  1.0+  1.2-
    940114 871  0.2+  0.1-    940214 887  0.5-  0.2-    940402 410  1.5-  0.2+
    940114 871  0.5+  1.4-    940214 887  0.4-  0.2-    940405 691  0.3-  0.5+
    940114 385  0.7+  0.3+    940214 893  0.0   0.1-    940405 691  0.7-  0.4+
    940114 385  0.6+  0.3+    940214 893  0.2-  0.1-    940405 691  0.8-  0.7+
    940114 385  0.4+  0.0     940214 893  0.6-  0.2+    940408 801  0.9-  0.3+
    940114 385  0.6+  0.1+    940214 104  0.9-  0.8-    940408 801  1.1-  0.2+
    940114 887  0.6+  0.2+    940214 104  0.8-  0.9-    940408 360  0.3-  0.1+
    940114 887  0.7+  0.1-    940214 104  0.7-  0.9-    940408 360  0.4-  0.0
    940114 887  0.6+  0.1+    940214 605  0.7+  1.7-    940411 693  0.8-  1.2+
    940114 887  0.8+  0.0     940214 605  0.3-  0.7-    940411 693  0.9-  0.7+
    940114 896  0.3-  0.1-    940214 605  0.2-  1.6-    940411 693  0.8-  0.8+
    940115 900  0.2-  0.3+    940215 056  1.1-  0.2-    940415 801  0.6+  0.5+
    940115 900  0.3+  0.5+    940215 056  0.4-  1.0-    940415 801  1.9-  0.4+
    940115 367  0.6+  0.1-    940215 605  0.0   1.2-    940418 605  1.6+  0.9+
    940115 367  0.7+  0.3+    940215 605  0.3+  1.0-    940418 605  0.4+  1.7+
    940115 402  0.3+  0.4-    940216 372  0.4+  1.0+    940429 372 (3.6+  1.0-)
    940115 402  0.2+  0.1-    940216 605  0.0   1.2-    940502 786  0.8-  1.5-
    940115 372  0.9+  1.6+    940217 391  0.9-  0.8-    940503 658  0.4-  1.1+
    940115 410  0.7+  0.3+    940217 391  1.6-  1.3-    940503 658  0.3-  1.1+
    940115 896  1.5+  0.4-    940217 391 (0.0   2.2-)   940503 658  1.1-  1.0+
    940115 410  0.5+  0.4-    940217 372  0.3+  0.7+    940503 658  1.1-  0.9+
    940115 896  2.0+  1.3+    940217 605  0.9-  0.7-    940504 691  0.4-  0.8+
    940115 360  0.7+  0.1+    940218 391  0.2-  0.2-    940504 691  0.3-  1.0+
    940115 360  0.7+  0.0     940218 410  0.2-  0.5-    940504 691  0.8-  0.9+
    940115 540  0.6-  1.0+    940218 410  0.0   0.7-    940506 360  0.3-  0.4+
    940115 540  0.2+  1.2+    940218 410  0.2-  0.3-    940506 360  0.4+  0.8+
    940115 540  0.0   0.4-    940218 605  0.2-  1.1-    940506 410  1.9+  0.2-
    940115 540  0.5-  0.5+    940219 786  0.7+  1.4+    940506 897 (3.2+  4.3+)
    940116 978 (3.3-  2.8+)   940219 786  1.0+  0.9+    940506 410  0.6+  0.2-
    940116 675  1.1-  0.9+    940219 391  0.2+  0.7-    940509 786 (2.0-  2.5+)
    940116 675  0.9-  0.8+    940219 391  0.8-  0.0     940511 801 (3.5+  4.7-)
    940116 896  0.3+  1.0+    940219 391  0.5-  0.1-    940511 801  0.5+  0.1+
    940116 391  0.2-  0.2-    940221 372  0.3-  0.6+    940512 360  0.7-  0.6+
    940116 391  0.3-  1.0-    940302 360  0.5+  0.1+    940512 360  0.5-  0.4+
    940116 391  1.8-  0.5+    940302 360  0.5+  0.1+    940513 046  0.2-  1.7+
    940116 896  1.6-  0.2-    940303 970 (0.6-  2.1-)   940513 046 (1.3-  2.2+)
    940117 605 (2.2-  0.4-)   940304 323  0.2+  0.3+    940513 046 (2.3-  1.5+)
    940117 605 (1.7+  2.9-)   940304 897  1.1+  0.4-    940515 801  1.9-  1.8+
    940117 691  0.4-  0.5+    940304 897  0.1+  0.1+    940515 801 (7.3+  2.7+)
    940117 691  0.1-  0.4+    940304 897  0.7+  0.6-    940601 360  1.0+  0.7-
    940117 691  1.1-  0.3+    940304 540  0.2-  0.8-    940601 360  0.3+  0.5-
    940117 323  1.7+  1.9+    940304 540  1.2-  0.6-    940613 691  1.0+  0.4+
    940118 540  0.3-  0.9+    940304 540  0.1-  1.3-    940613 691  0.9+  1.2-
    940118 540  1.7-  0.1+    940304 605  0.5+  1.4-    940613 691  0.9+  0.4-
    940118 540 (2.2-  0.6-)   940304 540  0.0   0.0     940705 691  0.7-  1.9-
    940118 540  0.1-  0.4-    940304 605  1.1+  0.4-    940705 691  0.1-  0.2-
    940118 596  0.2-  0.3-    940305 108  1.1-  0.7+    940705 691  0.9+  0.1-
    940118 596  0.0   0.4+    940305 108  0.9-  0.8+    940709 691  1.0+  0.4-
    940119 026  1.4+  1.1+    940305 108  0.1+  0.6+    940709 691  0.2+  0.1-
    940119 391  0.2-  0.6+    940306 108  1.3+  0.4-    000725 809  0.9-  1.2-
    940119 391 (2.5-  1.4+)   940306 786  1.9+  0.7-    000725 809  0.3-  0.5-
    940119 391  2.0-  1.2+    940306 786  1.7+  0.5-    000725 809  1.9-  1.9-
    940119 046  0.6-  0.2+    940306 410  0.2+  0.6-    000725 809  0.8-  0.9-
    940119 046  0.5-  0.1+    940306 410  0.2+  0.5+    000727 809  0.7+  0.6-
    940119 046  0.5-  0.0     940306 410  0.3+  0.1-    000727 809  0.0   0.0
    940119 046  0.8-  0.3+    940308 056  1.2+  0.2+    000727 809  0.0   0.0
    940120 046  0.5-  0.0     940309 056 (0.5-  3.7-)   070618 568  1.3+  0.6+
    940120 046  0.5-  0.0     940309 056  1.5+  1.4-    070618 568  1.3+  0.4+
    940120 046  0.5-  0.0     940310 897  0.6+  0.1+    070618 568  1.2+  1.2+
    940120 046  0.6-  0.1-    940310 897  0.3-  0.5-    070709 245 (2.1+  2.4-)
    940120 046  0.5-  0.1+    940310 360  0.2-  0.2+    070710 245  1.6+  1.7-
    940120 046  0.5-  0.2+    940310 360  0.2-  0.1+
    
    Ephemeris:
     144P/Kushida
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
    2008 07 03    01 34.57   +13 37.4    2.627    2.551    74.5    22.6  18.7  22.2
    2008 07 13    01 48.42   +15 00.2    2.439    2.480    80.4    23.8  18.3  22.0
    2008 07 23    02 02.18   +16 19.7    2.252    2.410    86.3    24.9  17.9  21.8
    2008 08 02    02 15.74   +17 35.0    2.066    2.339    92.4    25.7  17.5  21.6
    2008 08 12    02 28.98   +18 45.2    1.884    2.269    98.6    26.2  17.0  21.3
    2008 08 22    02 41.71   +19 49.4    1.708    2.199   105.0    26.4  16.5  21.1
    2008 09 01    02 53.71   +20 46.5    1.538    2.129   111.7    26.1  16.0  20.8
    2008 09 11    03 04.66   +21 34.9    1.378    2.059   118.6    25.4  15.5  20.4
    2008 09 21    03 14.22   +22 13.1    1.227    1.991   126.1    24.1  14.9  20.1
    2008 10 01    03 21.92   +22 39.1    1.089    1.924   134.0    22.0  14.4  19.7
    2008 10 11    03 27.30   +22 50.2    0.964    1.859   142.6    19.1  13.8  19.2
    2008 10 21    03 30.02   +22 43.6    0.856    1.796   151.9    15.2  13.2  18.8
    2008 10 31    03 29.87   +22 16.4    0.764    1.736   161.9    10.2  12.7  18.3
    2008 11 10    03 27.24   +21 27.6    0.692    1.679   172.6     4.4  12.2  17.7
    2008 11 20    03 23.17   +20 19.6    0.639    1.626   175.4     2.8  11.8  17.4
    2008 11 30    03 19.31   +19 00.1    0.606    1.578   164.4     9.7  11.4  17.5
    2008 12 10    03 17.67   +17 41.9    0.591    1.537   153.5    16.6  11.1  17.7
    2008 12 20    03 19.89   +16 37.6    0.591    1.501   143.6    22.9  10.9  17.8
    2008 12 30    03 26.91   +15 56.0    0.605    1.473   134.8    28.3  10.8  18.0
    2009 01 09    03 39.03   +15 39.6    0.628    1.453   127.3    32.5  10.7  18.2
    2009 01 19    03 55.88   +15 45.2    0.661    1.442   121.1    35.7  10.8  18.4
    2009 01 29    04 16.81   +16 06.3    0.703    1.439   116.0    38.0  10.9  18.6
    2009 02 08    04 41.08   +16 34.7    0.753    1.446   111.7    39.3  11.1  18.7
    2009 02 18    05 07.77   +17 02.4    0.812    1.461   108.0    40.0  11.3  19.0
    2009 02 28    05 36.07   +17 22.8    0.881    1.484   104.8    40.2  11.7  19.2
    2009 03 10    06 05.22   +17 30.9    0.960    1.515   101.8    39.9  12.0  19.4
    2009 03 20    06 34.51   +17 23.7    1.049    1.554    98.8    39.3  12.4  19.6
    2009 03 30    07 03.44   +17 00.4    1.149    1.598    95.9    38.4  12.9  19.9
    2009 04 09    07 31.62   +16 21.3    1.260    1.648    92.9    37.4  13.3  20.1
    2009 04 19    07 58.78   +15 27.8    1.380    1.703    89.7    36.1  13.8  20.3
    2009 04 29    08 24.80   +14 21.9    1.510    1.761    86.4    34.8  14.3  20.6
    2009 05 09    08 49.66   +13 05.4    1.648    1.822    82.9    33.3  14.8  20.8
    2009 05 19    09 13.33   +11 40.5    1.793    1.886    79.2    31.8  15.3  21.0
    2009 05 29    09 35.91   +10 09.0    1.945    1.953    75.3    30.1  15.8  21.2
    2009 06 08    09 57.48   +08 32.5    2.102    2.020    71.3    28.4  16.2  21.4
    2009 06 18    10 18.12   +06 52.5    2.262    2.089    67.2    26.6  16.7  21.6
    2009 06 28    10 37.94   +05 10.1    2.424    2.158    62.8    24.8  17.1  21.7
    2009 07 08    10 57.03   +03 26.4    2.587    2.229    58.4    22.9  17.5  21.9
    2009 07 18    11 15.47   +01 42.3    2.749    2.299    53.8    20.9  17.9  22.0
    2009 07 28    11 33.35   -00 01.5    2.908    2.370    49.0    18.9  18.3  22.2
    2009 08 07    11 50.73   -01 44.2    3.064    2.440    44.1    16.8  18.7  22.3
    2009 08 17    12 07.68   -03 25.3    3.214    2.510    39.1    14.7  19.0  22.4
    2009 08 27    12 24.25   -05 04.3    3.357    2.580    33.9    12.6  19.4  22.4
    
    Brian G. Marsden             (C) Copyright 2008 MPC           M.P.E.C. 2008-N20
    

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