TA e-circular

<title>TA e-circular</title>
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THE ASTRONOMER Electronic Circular No 359 1989 Nov 09  20.50UT.
Microlink:MAG60138   JANET:GMH at UK.AC.RO-GREENWICH.STARLINK
Ed:Guy M Hurst, 16, Westminster Close, Kempshott Rise, Basingstoke,
Hants, RG22 4PP, England. Telephone:(0256)471074.Int:+44256471074
Telex:94082518 Answerback: TAGUY
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ASTEROIDS (cf E357)
Brian Manning reports further asteroidal discoveries:
Asteroid 5 * 1989 10 31.97603  03 15 44.86 +14 51 28.5  16.5pv  494
         5   1989 10 31.99427  03 15 44.03 +14 51 28.1          494
         5   1989 11 04.96159  03 12 10.21 +14 53 09.8          494
         5   1989 11 04.98209  03 12 08.98 +14 53 11.6          494
         6 * 1989 10 31.97603  03 17 30.52 +14 39 53.2  17pv    494
         6   1989 10 31.99427  03 17 30.02 +14 39 47.5          494
         7 * 1989 10 31.97603  03 15 25.56 +15 07 36.9  17pv    494
         7   1989 10 31.99427  03 15 24.61 +15 07 30.6          494
         7   1989 11 04.96159  03 11 45.13 +14 44 38.1          494
         7   1989 11 04.98209  03 11 43.84 +14 44 31.5          494
         8 * 1989 11 04.96159  03 06 53.68 +14 28 26.6          494
         8   1989 11 04.98209  03 06 52.58 +14 28 22.6          494

Brian Marsden advises the following designations:
Asteroid 5= 1989 UB3; Asteroid 6= 1989 UN3; Asteroid 7=1989 UA3
Asteroid 8, being a one-nighter has not yet received a designation.
He provides the following preliminary elements:
1989 UA3
Epoch 1989 Oct. 21.0 ET = JDE 2447820.5
M  15.97854              (1950.0)            P               Q
n   0.29707834     Peri.  185.97018     +0.96509571     -0.26181581
a   2.2244470      Node   189.21554     +0.24193253     +0.90080813
e   0.1928178      Incl.    2.34005     +0.10029420     +0.34640611
P   3.32           H   15.0           G   0.25

1989 UB3
Epoch 1989 Oct. 21.0 ET = JDE 2447820.5
M 356.37009              (1950.0)            P               Q
n   0.31196178     Peri.  338.33183     +0.72624182     -0.68528500
a   2.1531211      Node    65.04566     +0.63916658     +0.64400767
e   0.2262676      Incl.    3.43869     +0.25305907     +0.34005673
P   3.16           H   15.0           G   0.25

1989 UN3
Epoch 1989 Oct. 21.0 ET = JDE 2447820.5
M 357.94888              (1950.0)            P               Q
n   0.12874575     Peri.  198.59540     +0.66715602     -0.74154494
a   3.8843121      Node   209.68136     +0.70027691     +0.65674691
e   0.0643406      Incl.    8.22137     +0.25399820     +0.13709338
P   7.66           H   11.5           G   0.25

Ephemerides can be supplied on e-mail request.

Guy M Hurst
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