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M.P.E.C. 1998-G19 Issued 1998 Apr. 9, 19:01 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. They are published
on behalf of Commission 20 of the International Astronomical Union by the
Minor Planet Center, Smithsonian Astrophysical Observatory,
Cambridge, MA 02138, U.S.A.
BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html
OBSERVABLE COMETS (1998 APR. 27.0 TT)
Ephemerides and orbital elements for the objects listed here
are available on the Minor Planet Center's WWW site at:
http://cfa-www.harvard.edu/iau/Ephemerides/Comets/index.html
Designation (and name) Delta T Orbit Ephem. Last obs. code Mag.
4P/Faye 27081 31164 1993 May 27 691 22.0 N
9P/Tempel 1 29881 30106 1998 Jan. 20 696 21.3 T
10P/Tempel 2 27082 30701 1998 Mar. 18 954 19.3 T
17P/Holmes 29881 31305 1993 Oct. 20 657
21P/Giacobini-Zinner 25184 30920 1998 Apr. 3 360 19.3 T
22P/Kopff 27080 1998 Jan. 30 691 21.5 T
26P/Grigg-Skjellerup 23483 31305 1997 Oct. 27 897 16.5 T
28P/Neujmin 1 CCO 9 31032 1989 Dec. 27 568
29P/Schwassmann-Wachmann 1 23105 30807 1998 Apr. 2 360 16.5 N
31P/Schwassmann-Wachmann 2 -0.04 18256 31304 1995 July 4 693 18.2 T
32P/Comas Sola 26143 30921 1997 June 25 118 18.7 T
36P/Whipple -0.01 18259 31032 1996 Jan. 21 691 20.3 T
37P/Forbes 27081 30920 1994 Jan. 9 360 19.1 T
43P/Wolf-Harrington 31205 29677 1998 Apr. 3 732 16.6 N
47P/Ashbrook-Jackson 16380 30807 1997 Feb. 1 696 22.0 T
55P/Tempel-Tuttle 31070 31624 1998 Mar. 2 360
61P/Shajn-Schaldach 16381 31305 1994 Feb. 10 691 18.4 T
62P/Tsuchinshan 1 30846 30481 1998 Mar. 22 118 14.7 T
65P/Gunn 29285 1998 Feb. 8 118 17.0 T
68P/Klemola 25183 31164 1997 July 31 691 20.6 T
69P/Taylor 30739 1998 Mar. 25 143
74P/Smirnova-Chernykh 25513 1998 Feb. 4 118 18.3 T
77P/Longmore 20123 31623 1996 Oct. 1 413
78P/Gehrels 2 31205 29677 1998 Apr. 5 758 14.6 T
80P/Peters-Hartley 31347 31163 1998 Feb. 18 568 20.5 T
84P/Giclas 27082 31625 1993 Mar. 20 360 17.6 T
88P/Howell 31205 30702 1998 Apr. 2 360 16.3 T
91P/Russell 3 28807 31032 1997 May 31 691 19.0 T
102P/Shoemaker 1 27081 31619 1992 Dec. 2 691 22.2 T
103P/Hartley 2 31070 29951 1998 Mar. 31 046 15.0 T
104P/Kowal 2 31070 30102 1998 Mar. 22 118 14.8 T
111P/Helin-Roman-Crockett 25932 30919 1998 Feb. 28 691 20.8 T
116P/Wild 4 30064 31304 1997 Oct. 21 867 18.0 T
117P/Helin-Roman-Alu 1 27080 31305 1997 Nov. 8 696 17.0 T
118P/Shoemaker-Levy 4 31348 30808 1998 Mar. 2 867 19.4 T
119P/Parker-Hartley 25513 30482 1998 Mar. 2 402 18.9 T
120P/Mueller 1 25513 30481 1996 Dec. 14 691 19.6 T
124P/Mrkos 25932 31304 1995 Nov. 19 658
128P/Shoemaker-Holt 1 30632 29952 1998 Mar. 18 360 16.5 T
129P/Shoemaker-Levy 3 30739 30106 1998 Mar. 31 046 17.0 T
130P/McNaught-Hughes 29881 31305 1997 June 3 691 19.9 T
131P/Mueller 2 30244 30297 1997 Dec. 31 691 20.5 T
132P/Helin-Roman-Alu 2 31205 30479 1998 Mar. 9 046
134P/Kowal-Vavrova 31205 31031 1998 Feb. 24 691 19.3 T
135P/Shoemaker-Levy 8 31205 30702 1998 Jan. 28 693 22.6 T
P/1988 V1 (Ge-Wang) 27081 31619 1988 Dec. 13 801
P/1990 S1 (Mueller 3) 27081 31164 1990 Dec. 15 801
P/1990 UL3 (Shoemaker-Levy 2) 29881 31625 1991 Jan. 15 688 18.2 N
P/1996 A1 (Jedicke) 29568 30808 1997 May 9 360 18.3 T
P/1996 R2 (Lagerkvist) 28557 30105 1997 Jan. 12 587
P/1997 B1 (Kobayashi) 30063 31032 1997 May 28 402 19.0 T
P/1997 C1 (Gehrels) 31204 30701 1998 Feb. 2 691 22.6 T
P/1997 G1 (Montani) 31347 30482 1998 Mar. 2 360 18.9 T
P/1997 V1 (Larsen) 31205 1998 Feb. 19 118 16.9 T
C/1995 O1 (Hale-Bopp) 31204 29324 1998 Apr. 4 426 12.3 N
C/1996 J1 (Evans-Drinkwater) 31069 1998 Mar. 21 118 17.1 T
C/1996 P2 (Russell-Watson) 30632 1998 Feb. 2 691 20.4 T
C/1997 BA6 (Spacewatch) 31204 30481 1998 Mar. 29 046 17.0 T
C/1997 D1 (Mueller) 30957 31625 1998 Feb. 11 118 15.9 T
C/1997 G2 (Montani) 31347 30921 1998 Mar. 31 844 14.1 T
C/1997 J1 (Mueller) 31482 30296 1998 Mar. 21 118 17.5 T
C/1997 J2 (Meunier-Dupouy) 31482 31028 1998 Apr. 3 360 12.3 T
C/1997 L1 (Zhu-Balam) 31205 30920 1998 Apr. 3 360 19.2 T
C/1997 O1 (Tilbrook) 31205 30703 1998 Mar. 23 118 17.8 T
C/1997 P2 (Spacewatch) 30738 31621 1997 Sept.30 402 19.0 T
C/1997 T1 (Utsunomiya) 31482 31033 1998 Apr. 4 426 15.7 N
C/1998 G1 (LINEAR) 31483 31615 1998 Apr. 6 784 17.8 N
Ephemeris Positions Of Observable Comets For 1998 Apr. 27.0 TT
Designation (and name) R.A. (2000) Decl. Geo. Hel. El. Ph.
131P/Mueller 2 04 24.71 +17 38.7 3.42 2.61 31.0 11.5
C/1995 O1 (Hale-Bopp) 05 19.61 -50 45.1 5.26 5.10 75.8 11.0
128P/Shoemaker-Holt 1 05 33.90 +20 01.9 3.76 3.17 47.4 13.5
C/1997 J1 (Mueller) 05 34.09 +18 35.1 5.01 4.39 47.4 9.7
9P/Tempel 1 05 38.08 +27 30.3 4.80 4.21 48.7 10.4
104P/Kowal 2 05 42.96 +14 03.0 1.97 1.53 49.9 30.3
132P/Helin-Roman-Alu 2 05 45.76 +18 51.1 2.92 2.40 50.2 18.8
62P/Tsuchinshan 1 06 05.36 +27 27.4 1.83 1.50 54.7 33.3
P/1996 R2 (Lagerkvist) 06 34.28 +25 27.0 3.94 3.57 61.2 14.3
103P/Hartley 2 07 05.45 +09 33.7 1.99 1.90 70.5 29.9
78P/Gehrels 2 07 19.82 +16 12.1 2.96 2.83 72.8 19.9
135P/Shoemaker-Levy 8 07 25.10 +16 07.3 4.07 3.92 74.0 14.3
129P/Shoemaker-Levy 3 07 54.56 +19 37.3 2.82 2.83 80.3 20.5
C/1997 BA6 (Spacewatch) 08 42.67 -05 39.2 5.88 6.09 97.6 9.4
80P/Peters-Hartley 09 08.54 -29 04.6 1.39 1.95 107.7 29.4
37P/Forbes 09 36.82 +13 36.7 3.02 3.43 105.5 16.4
43P/Wolf-Harrington 09 40.00 -11 29.1 1.92 2.49 112.6 21.9
120P/Mueller 1 09 56.61 +17 14.7 4.06 4.49 108.7 12.3
134P/Kowal-Vavrova 09 57.67 +09 09.0 2.54 3.06 111.7 17.8
C/1998 G1 (LINEAR) 10 15.88 +25 25.7 2.66 3.14 109.5 17.6
P/1997 G1 (Montani) 10 37.47 +03 46.4 4.06 4.68 122.8 10.4
119P/Parker-Hartley 10 45.88 +01 35.2 3.65 4.32 125.5 10.9
10P/Tempel 2 10 54.52 +19 16.5 3.23 3.84 120.2 13.1
28P/Neujmin 1 11 18.57 +02 31.6 9.48 10.19 132.9 4.1
P/1997 C1 (Gehrels) 11 22.22 +01 24.6 4.99 5.74 134.1 7.2
36P/Whipple 11 30.92 +02 38.1 4.33 5.10 135.7 7.9
111P/Helin-Roman-Crockett 11 41.52 +07 46.7 3.10 3.89 135.8 10.4
47P/Ashbrook-Jackson 12 33.11 -07 21.4 4.12 5.04 153.7 5.1
C/1997 O1 (Tilbrook) 12 51.70 +77 59.1 3.76 3.85 87.5 15.1
17P/Holmes 12 59.51 -29 35.3 3.59 4.52 156.1 5.2
29P/Schwassmann-Wachmann 1 13 16.74 -19 41.7 5.27 6.24 164.4 2.5
88P/Howell 13 20.72 -04 02.4 1.09 2.08 163.1 8.1
P/1996 A1 (Jedicke) 14 00.72 -17 05.2 5.35 6.35 174.8 0.8
118P/Shoemaker-Levy 4 14 13.04 -02 28.9 2.63 3.62 168.7 3.1
61P/Shajn-Schaldach 14 39.33 -09 12.3 4.17 5.17 172.9 1.4
P/1990 UL3 (Shoemaker-Levy 2) 16 30.17 -21 01.8 4.06 4.94 147.5 6.3
C/1997 T1 (Utsunomiya) 16 31.65 -17 45.4 1.43 2.34 147.4 13.4
32P/Comas Sola 16 37.04 -23 04.5 4.14 5.00 145.6 6.5
C/1997 L1 (Zhu-Balam) 17 17.44 +22 38.0 5.69 6.29 122.8 7.7
21P/Giacobini-Zinner 17 40.57 +12 32.5 1.93 2.62 123.1 18.7
P/1997 B1 (Kobayashi) 17 40.92 -37 32.3 3.66 4.36 129.0 10.3
P/1988 V1 (Ge-Wang) 18 14.08 -08 54.7 3.24 3.87 121.8 12.8
84P/Giclas 18 29.24 -19 06.4 3.26 3.86 119.6 13.1
102P/Shoemaker 1 19 01.29 -54 22.3 2.60 3.12 112.1 17.4
4P/Faye 20 16.66 -09 55.3 3.32 3.51 92.4 16.7
91P/Russell 3 20 27.66 -09 48.4 2.51 2.70 89.8 21.9
P/1990 S1 (Mueller 3) 21 12.01 -13 04.9 3.47 3.44 80.1 16.7
C/1997 J2 (Meunier-Dupouy) 22 16.13 +31 01.5 3.51 3.09 57.6 16.0
31P/Schwassmann-Wachmann 2 22 56.21 -09 17.1 5.54 5.03 54.9 9.4
116P/Wild 4 22 56.74 -09 34.1 4.49 3.99 54.9 11.9
26P/Grigg-Skjellerup 23 23.36 +10 47.7 3.42 2.76 42.5 14.2
68P/Klemola 23 23.99 +00 22.8 2.32 1.76 44.8 23.8
124P/Mrkos 23 25.36 -19 51.9 4.57 4.06 53.9 11.5
130P/McNaught-Hughes 23 51.23 -06 36.4 2.82 2.17 41.5 17.9
117P/Helin-Roman-Alu 1 23 53.97 -09 39.6 4.67 3.99 42.5 9.8
C/1997 G2 (Montani) 00 02.32 -74 13.7 2.91 3.09 90.5 19.0
C/1997 P2 (Spacewatch) 00 12.72 +12 59.6 5.55 4.71 30.2 6.2
Brian G. Marsden (C) Copyright 1998 MPC M.P.E.C. 1998-G19
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