Circular No. 6127

Central Bureau for Astronomical Telegrams INTERNATIONAL ASTRONOMICAL UNION

Postal Address: Central Bureau for Astronomical Telegrams Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A. IAUSUBS@CFA.HARVARD.EDU or FAX 617-495-7231 (subscriptions)

Phone 617-495-7244/7440/7444 TWX 710-320-6842 ASTROGRAM CAM MARSDEN@CFA.HARVARD.EDU or GREEN@CFA.HARVARD.EDU (science)

COMET P/1995 A1 (JEDICKE)

Further precise positions have been reported as follows:

1995 UT α_{2000} δ_{2000} m_{1} Observer
Jan. 22.45209 7^{h}48^{m}05.^{s}12 +21^{o}20′27′′.8  Gehrels
22.46042 7 48 04.84 +21 20 29.5  _{”}
23.15918 7 47 41.00 +21 23 22.5 19.5  _{”}
23.45618 7 47 30.53 +21 24 36.3 18.6  _{”}
24.31400 7 47 01.52 +21 28 08.0  Balam
24.32691 7 47 01.15 +21 28 10.6  _{”}

T. Gehrels (Kitt Peak). 0.9-m Spacewatch telescope. Measurer J. V. Scotti. On Jan. 23.46, m_{2} = 21.4, tail extending 2′.98 in p.a. 258^{o} from 12′′ coma.

D. D. Balam (Dominion Astrophysical Observatory, Victoria). 1.82-m Plaskett telescope + CCD.

Elliptical orbital elements from 14 observations Jan. 8–24:

T = 1993 Mar. 20.160 TT  ω = 276.^{o}189
e = 0.35018  Ω = 115.991 }2000.0
q = 3.84246 AU  i = 23.283

a = 5.91313 AU n^{o} = 0.068545 P = 14.38 years

1995 TT α_{2000}  δ_{2000}  Δ  r  ϵ  β  m_{1}
Jan. 23 7^{h}47.^{m}77 +21^{o}22.^{′}7 4.037 5.014 172.^{o}4 1.^{o}5 18.5
28 7 44.96 +21 43.0 4.064 5.027 166.6  2.6 18.6
Feb. 2 7 42.29 +22 02.6 4.099 5.040 160.8  3.7 18.6
7 7 39.80 +22 21.1 4.142 5.053 155.1  4.7 18.6
12 7 37.54 +22 38.7 4.191 5.067 149.5  5.7 18.7
17 7 35.54 +22 55.0 4.247 5.080 144.0  6.6 18.7
22 7 33.85 +23 10.2 4.310 5.093 138.5  7.4 18.7
27 7 32.47 +23 24.2 4.378 5.106 133.1  8.1 18.8
Mar. 4 7 31.44 +23 36.8 4.451 5.119 127.8  8.8 18.8
9 7 30.75 +23 48.3 4.529 5.133 122.6  9.4 18.9
14 7 30.43 +23 58.5 4.610 5.146 117.5  9.9 18.9
19 7 30.47 +24 07.5 4.695 5.159 112.6 10.3 19.0
24 7 30.86 +24 15.4 4.782 5.172 107.7 10.6 19.0
29 7 31.59 +24 22.2 4.871 5.185 102.9 10.8 19.1
Apr. 3 7 32.65 +24 27.8 4.962 5.199  98.1 11.0 19.1

1995 January 24 Brian G. Marsden