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IAUC 3901: 1983 TB; 1983o

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                                                  Circular No. 3901
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
Postal Address: Central Bureau for Astronomical Telegrams
Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
TWX 710-320-6842 ASTROGRAM CAM     Telephone 617-864-5758


1983 TB
     The following orbital elements correspond to those on MPC
8394 but are for a different epoch:

         T = 1983 Aug. 31.6791 ET    Epoch 1983 Sept. 23.0 ET
     Peri. = 321.6818                    e =   0.890335
     Node  = 265.0324   1950.0           a =   1.271502 AU
     Incl. =  22.0353                    n =   0.6874303
         q =   0.139440 AU               P =   1.434 years

     1983/84 ET  R.A. (1950.0) Decl.      p        r      Mag.

     Dec. 12    23 07.06    +20 10.1    1.361    1.770    18.7
          22    23 23.21    +18 59.7
     Jan.  1    23 38.69    +18 22.2    1.771    1.930    19.4
          11    23 53.80    +18 09.2
          21     0 08.67    +18 14.5    2.169    2.062    19.9
          31     0 23.42    +18 33.7
     Feb. 10     0 38.11    +19 03.7    2.535    2.171    20.2
          20     0 52.78    +19 41.7
     Mar.  1     1 07.45    +20 25.8    2.851    2.256    20.5


COMET IRAS (1983o)
     Ephemeris continuation from MPC 8292:

     1983/84 ET  R.A. (1950.0) Decl.      p        r       m2

     Dec. 12    14 35.91    -28 57.0    2.990    2.260    15.9
          22    14 42.42    -27 12.0
     Jan.  1    14 47.52    -25 14.2    2.745    2.288    15.8
          11    14 50.87    -22 57.2
          21    14 52.08    -20 13.4    2.425    2.337    15.6
          31    14 50.67    -16 53.5
     Feb. 10    14 46.04    -12 46.5    2.079    2.407    15.4
          20    14 37.58    - 7 41.6
     Mar.  1    14 24.75    - 1 33.2    1.792    2.494    15.2
          11    14 07.28    + 5 30.7
          21    13 45.61    +12 59.9    1.681    2.597    15.3
          31    13 21.04    +20 06.4
     Apr. 10    12 55.71    +26 05.4    1.824    2.713    15.6
          20    12 32.00    +30 35.6
          30    12 11.70    +33 41.3    2.176    2.839    16.2


1983 December 21               (3901)              Brian G. Marsden

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