Circular No. 7512

Central Bureau for Astronomical Telegrams INTERNATIONAL ASTRONOMICAL UNION

Mailstop 18, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.

IAUSUBS@CFA.HARVARD.EDU or FAX 617-495-7231 (subscriptions) CBAT@CFA.HARVARD.EDU (science)

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S/2000 S 1 AND S/2000 S 2 B. Gladman, Observatoire de la Côte d’Azur, on behalf of a team that

includes J. Kavelaars, J.-M. Petit, H. Scholl, M. Holman, B. G. Marsden, P. Nicholson and J. A. Burns, reports the discovery of what appear to be two new satellites of Saturn. Selected CCD precise positions follow:

2000 UT α_{2000} δ_{2000} R Observer
Aug. 7.40252 3^{h}49^{m}49.^{s}35 +17^{o}46′16′′.0 22.0 Gladman
Sept. 23.42883 3 54 53.75 +17 53 13.0 21.7 Kavelaars
24.43323 3 54 49.78 +17 52 51.3 21.7  _{”}
27.45545 3 54 35.14 +17 51 38.6  Hergenrother
29.35903 3 54 23.95 +17 50 48.8  Doressoundiram
Aug. 7.40252 3 50 12.75 +17 53 24.7 21.5 Gladman
Sept. 23.42883 3 54 00.75 +18 07 27.1 21.4 Kavelaars
24.43323 3 53 55.38 +18 07 15.5 21.3  _{”}

B. Gladman (European Southern Observatory). 2.2-m reflector. Measurer

J.-M. Petit. J. Kavelaars and B. Gladman (Mauna Kea). 3.6-m Canada-France-Hawaii

Telescope. Measurer Gladman. C. W. Hergenrother and S. M. Larson (Lunar and Planetary Laboratory,

Catalina Station). 1.54-m reflector. Measurer Gladman. A. Doressoundiram and J. Romon (European Southern Observatory).

3.5-m New Technology Telescope. Measurer Gladman.

2000TT α_{2000} δ_{2000} Δ r_{S} ϵ Δα′′ Δδ′′
Oct. 23 3^{h}50.^{m}15 +17^{o}35.^{′}3 8.142 0.121 150.^{o}6 1206− 764−
Nov. 2 3 47.48 +17 26.6 8.079 0.113 161.2 1038− 712−
12 3 44.51 +17 17.4 8.046 0.105 171.7 858− 651−
22 3 41.41 +17 08.2 8.044 0.097 176.2 666− 580−
Dec. 2 3 38.36 +16 59.6 8.074 0.089 166.0 462− 499−
12 3 35.57 +16 52.3 8.135 0.080 155.3 248− 408−
22 3 33.18 +16 46.8 8.227 0.070 144.6  26− 306−
Oct. 23 3 48.65 +17 54.2 8.283 0.107 150.9 2486− 373+
Nov. 2 3 45.81 +17 46.9 8.211 0.105 161.5 2469− 507+
12 3 42.68 +17 38.9 8.168 0.103 172.2 2427− 635+
22 3 39.43 +17 30.5 8.156 0.100 176.2 2362− 756+
Dec. 2 3 36.26 +17 22.4 8.175 0.098 165.7 2272− 868+
12 3 33.34 +17 15.3 8.224 0.095 154.9 2159− 969+
22 3 30.85 +17 09.6 8.301 0.092 144.1 2024− 1057+
2000 October 25  \begin{matrix}c \\ ◯ \end{matrix} Copyright 2000 CBAT  Brian G. Marsden