Circular No. 5637

Central Bureau for Astronomical Telegrams INTERNATIONAL ASTRONOMICAL UNION

Postal Address: Central Bureau for Astronomical Telegrams Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.

Telephone 617-495-7244/7440/7444 (for emergency use only) TWX 710-320-6842 ASTROGRAM CAM EASYLINK 62794505

MARSDEN@CFA or GREEN@CFA (.SPAN, .BITNET or .HARVARD.EDU)

PERIODIC COMET SWIFT-TUTTLE (1992t) Ephemeris continuation from the orbital elements on IAUC 5636:

1992TT α_{2000} δ_{2000} Δ r ϵ β m_{1}
Oct. 15 14^{h}10.^{m}21 +57^{o}17.^{′}0 1.406 1.363 66.^{o}6 42.^{o}2 7.3
17 14 28.50 +56 24.9 1.370 1.341 66.9 43.1 7.1
19 14 46.85 +55 21.3 1.337 1.319 67.0 44.0 6.9
21 15 05.08 +54 05.5 1.306 1.298 67.1 45.0 6.8
23 15 23.01 +52 37.4 1.277 1.276 67.0 45.9 6.6
25 15 40.49 +50 56.7 1.251 1.255 66.8 46.7 6.5
27 15 57.41 +49 03.8 1.229 1.235 66.5 47.6 6.3
29 16 13.64 +46 59.3 1.209 1.215 66.1 48.4 6.2
31 16 29.13 +44 43.9 1.193 1.195 65.6 49.1 6.0
Nov. 2 16 43.84 +42 18.8 1.181 1.176 64.9 49.8 5.9
4 16 57.74 +39 45.4 1.172 1.157 64.1 50.4 5.8
6 17 10.83 +37 05.2 1.167 1.139 63.1 50.9 5.7
8 17 23.15 +34 19.8 1.165 1.122 62.1 51.3 5.6
10 17 34.70 +31 31.1 1.168 1.105 60.9 51.6 5.5
12 17 45.55 +28 40.5 1.174 1.089 59.7 51.7 5.4
14 17 55.72 +25 49.7 1.184 1.073 58.4 51.7 5.3
16 18 05.26 +23 00.2 1.197 1.059 57.0 51.6 5.3
18 18 14.21 +20 13.2 1.213 1.045 55.5 51.3 5.2
20 18 22.63 +17 29.7 1.232 1.032 54.0 50.8 5.2
22 18 30.55 +14 50.6 1.254 1.020 52.5 50.2 5.1
24 18 38.02 +12 16.5 1.279 1.009 50.9 49.4 5.1
26 18 45.06 + 9 47.8 1.305 0.998 49.3 48.5 5.1
28 18 51.72 + 7 24.9 1.334 0.989 47.6 47.4 5.1
30 18 58.02 + 5 07.7 1.364 0.981 46.0 46.3 5.1
Dec. 2 19 04.00 + 2 56.5 1.396 0.975 44.3 44.9 5.1
4 19 09.68 + 0 50.9 1.428 0.969 42.6 43.5 5.1
6 19 15.10 − 1 09.0 1.462 0.964 40.9 42.0 5.1
8 19 20.27 − 3 03.6 1.496 0.961 39.2 40.4 5.1
10 19 25.22 − 4 53.0 1.530 0.959 37.5 38.7 5.2
12 19 29.96 − 6 37.6 1.565 0.958 35.8 36.9 5.2
14 19 34.53 − 8 17.5 1.599 0.959 34.1 35.1 5.2
16 19 38.93 − 9 53.1 1.634 0.960 32.4 33.3 5.3
18 19 43.18 −11 24.5 1.668 0.963 30.7 31.4 5.4

1992 October 15 Brian G. Marsden