Circular No. 6734

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) BMARSDEN@CFA.HARVARD.EDU or DGREEN@CFA.HARVARD.EDU (science)

              URL http://cfa-www.harvard.edu/cfa/ps/cbat.html

Phone 617-495-7244/7440/7444 (for emergency use only)

COMET C/1997 J2 (MEUNIER-DUPOUY) Ephemeris extension to IAUC 6664 (orbital elements MPC 30429):

1997TT α_{2000}  δ_{2000}  Δ  r  ϵ  β  m_{1}
Sept. 9 13^{h}52.^{m}47 +63^{o}48.^{′}8 3.829 3.529 65.^{o}3 15.^{o}0 11.4
19 14 21.99 +62 31.4 3.740 3.482 67.5 15.5 11.3
29 14 52.55 +61 03.6 3.653 3.437 69.7 15.9 11.2
Oct. 9 15 23.78 +59 24.3 3.573 3.394 71.7 16.2 11.1
19 15 55.24 +57 32.9 3.501 3.353 73.3 16.5 11.0
29 16 26.52 +55 29.9 3.441 3.314 74.4 16.8 10.9
Nov. 8 16 57.23 +53 17.0 3.395 3.278 74.8 17.0 10.8
18 17 27.02 +50 56.9 3.366 3.243 74.4 17.1 10.7
28 17 55.62 +48 33.2 3.353 3.212 73.3 17.1 10.7
Dec. 8 18 22.86 +46 10.3 3.356 3.183 71.4 17.1 10.7
18 18 48.62 +43 52.2 3.374 3.156 68.9 16.9 10.6
28 19 12.87 +41 42.5 3.404 3.132 65.8 16.6 10.6

COMET C/1996 J1 (EVANS-DRINKWATER) Ephemeris extension to IAUC 6675 (orbital elements MPC 30428):

1997 TT α_{2000}  δ_{2000}  Δ  r  ϵ  β  m_{1}
Aug. 20 3^{h}12.^{m}21 +39^{o}35.^{′}5 3.178 3.344 90.^{o}5 17.^{o}6 13.7
30 3 13.66 +40 20.6 3.143 3.447  99.0 16.8 13.8
Sept. 9 3 12.61 +40 56.1 3.110 3.551 107.9 15.7 13.9
19 3 09.09 +41 19.7 3.084 3.653 117.2 14.2 14.0
29 3 03.28 +41 28.8 3.070 3.755 126.7 12.4 14.1
Oct. 9 2 55.59 +41 21.1 3.073 3.857 136.2 10.3 14.2
19 2 46.65 +40 55.5 3.098 3.958 145.2  8.3 14.3
29 2 37.23 +40 12.3 3.149 4.058 152.7  6.4 14.5
Nov. 8 2 28.14 +39 14.0 3.229 4.157 156.7  5.4 14.6
18 2 20.09 +38 05.1 3.338 4.256 155.3  5.6 14.8
28 2 13.58 +36 50.8 3.476 4.354 149.3  6.6 15.0
Dec. 8 2 08.90 +35 36.3 3.642 4.451 141.0  8.0 15.1
18 2 06.15 +34 26.2 3.833 4.548 131.8  9.3 15.3
28 2 05.26 +33 23.5 4.044 4.645 122.3 10.3 15.5

1997 September 5  \begin{matrix}c \\ ◯ \end{matrix} Copyright 1997 CBAT  Daniel W. E. Green