MPEC 2006-P21 : OBSERVABLE COMETS (2006 AUG. 23.0 TT)
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M.P.E.C. 2006-P21 Issued 2006 Aug. 6, 15:06 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.
Supported in part by the Brinson Foundation
Supported in part by the TABASGO Foundation
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
OBSERVABLE COMETS (2006 AUG. 23.0 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) Orbit Ephem. Last obs. code Mag.
9P/Tempel 45657 56617 2005 Dec. 25 213 17.5 N
10P/Tempel 45656 57282 2006 Feb. 25 699 19.6 T
17P/Holmes 51822 55726 2001 Feb. 20 867 18.6 T
28P/Neujmin 34424 57429 2004 Feb. 12 360 19.2 N
29P/Schwassmann-Wachmann 42666 56808 2006 July 31 939 15.0 N
31P/Schwassmann-Wachmann 41899 55729 2003 May 5 360 19.1 T
32P/Comas Sola 52907 54834 2006 May 30 G96 17.0 T
37P/Forbes 54167 56807 2006 Jan. 23 215 18.3 T
41P/Tuttle-Giacobini-Kresak 56170 54832 2006 July 31 J67 16.4 N
45P/Honda-Mrkos-Pajdusakova 56957 2006 June 6 D87 11.4 N
47P/Ashbrook-Jackson 56802 54833 2002 Mar. 5 704 19.4 T
49P/Arend-Rigaux 45656 55391 2006 May 27 703 19.7 T
65P/Gunn 40670 57280 2006 Feb. 24 G96 19.1 T
71P/Clark 55982 55991 2006 July 28 415 15.2 N
73P/Schwassmann-Wachmann 55524 56425 2006 Aug. 1 850 16.9 N
74P/Smirnova-Chernykh 56804 57428 2005 Nov. 7 J76 18.7 N
76P/West-Kohoutek-Ikemura 48384 56427 1994 Mar. 30 360 18.1 T
77P/Longmore 56804 57281 2003 Aug. 2 E14 17.7 N
82P/Gehrels 31664 56807 2002 Mar. 8 360 20.3 T
84P/Giclas 48383 56426 2006 Aug. 2 J95 18.0 N
87P/Bus 51823 57428 2000 May 1 695 19.7 T
91P/Russell 54167 2006 July 28 170
98P/Takamizawa 48382 2006 July 31 E12 16.7 T
99P/Kowal 51821 54713 2006 May 12 644 17.9 T
101P/Chernykh 54561 57282 2006 Mar. 19 461 20.5 T
102P/Shoemaker 57419 57427 2006 July 28 J95 20.4 N
106P/Schuster 51822 56619 2000 Mar. 1 900 15.2 T
110P/Hartley 54167 55994 2002 Apr. 8 644 19.7 T
112P/Urata-Niijima 48383 57427 1999 Nov. 13 695 21.5 T
114P/Wiseman-Skiff 48383 2006 July 30 A79 17.1 N
116P/Wild 56804 56618 2004 Sept.14 651 19.4 T
117P/Helin-Roman-Alu 45658 55728 2006 July 31 939 14.9 N
121P/Shoemaker-Holt 42667 2006 May 26 691 21.1 T
124P/Mrkos 54168 57281 2002 Apr. 2 704 19.1 T
128P/Shoemaker-Holt 51822 56428 1999 Apr. 16 693 19.5 T
129P/Shoemaker-Levy 50140 54713 2006 Apr. 26 J67 19.2 N
132P/Helin-Roman-Alu 54825 57428 2006 Jan. 22 703 17.7 T
136P/Mueller 51823 55596 1999 Dec. 26 897 18.3 T
139P/Vaisala-Oterma 54168 557 1999 Mar. 16 691 19.8 T
143P/Kowal-Mrkos 56803 56809 2004 Oct. 14 691 21.6 T
150P/LONEOS 54170 57427 2001 May 14 428 18.4 T
156P/Russell-LINEAR 51823 55725 2001 Jan. 19 704 18.7 N
166P/NEAT 54366 57281 2006 Jan. 23 215 20.5 T
167P/CINEOS 54367 55993 2005 July 31 599 20.2 T
169P/NEAT 56805 54710 2006 May 25 G96 21.5 T
170P/Christensen 54701 56808 2005 Nov. 25 G96 19.5 T
173P/Mueller 54987 56965 2006 Jan. 23 215 18.8 T
177P/Barnard 57134 57279 2006 Aug. 4 850 16.0 N
178P/Hug-Bell 57419 56965 2006 July 30 734 19.7 N
P/1991 V1 (Shoemaker-Levy) 48384 56425 1992 Jan. 8 801
P/1995 A1 (Jedicke) 51823 56422 1996 Jan. 21 695 22.6 T
P/1998 QP54 (LONEOS-Tucker) 51822 55595 1999 Feb. 14 693 19.6 T
P/1998 S1 (LINEAR-Mueller) 51824 56426 2001 Mar. 20 867
P/1998 U2 (Mueller) 51823 56619 1999 Feb. 14 693 19.9 T
P/1998 VS24 (LINEAR) 54169 55727 1999 Jan. 14 693 19.1 T
P/1999 WJ7 (Korlevic) 45334 56619 2002 Apr. 12 704 20.1 T
P/1999 XN120 (Catalina) 54170 55993 2000 Mar. 30 360 17.8 T
P/2001 YX127 (LINEAR) 51367 55726 2004 May 29 691 21.5 T
P/2002 T5 (LINEAR) 53465 54831 2005 Apr. 5 360 18.6 T
P/2003 CP7 (LINEAR-NEAT) 48921 55994 2003 June 26 448 19.6 N
P/2003 HT15 (LINEAR) 49277 56422 2003 July 10 204 19.7 N
P/2003 QX29 (NEAT) 50139 57427 2003 Oct. 20 213 19.9 T
P/2004 A1 (LONEOS) 53465 54832 2006 Apr. 26 699 18.3 T
P/2004 DO29 (Spacewatch-LINEAR) 54558 55595 2005 July 10 673 19.5 T
P/2004 F3 (NEAT) 54164 56427 2006 June 8 I77 16.9 N
P/2004 VR8 (LONEOS) 56169 54712 2006 June 30 215 18.1 T
P/2005 JY126 (Catalina) 54366 56429 2005 Sept.24 703 16.9 T
P/2005 L1 (McNaught) 54559 55729 2005 Sept.15 E12 16.6 T
P/2005 RV25 (LONEOS-Christensen) 55978 56966 2006 Jan. 28 G96 20.6 T
P/2005 S2 (Skiff) 54987 56619 2005 Nov. 8 A32 19.6 N
P/2005 SB216 (LONEOS) 55978 56808 2006 Mar. 6 147 18.8 N
P/2005 XA54 (LONEOS-Hill) 55981 55990 2006 June 1 704 18.1 T
P/2005 Y2 (McNaught) 55981 56617 2006 Jan. 7 673 18.5 T
P/2006 F1 (Kowalski) 56610 56616 2006 Aug. 1 E12 18.3 T
P/2006 F4 (Spacewatch) 56954 2006 May 31 561 19.5 T
P/2006 G1 (McNaught) 57417 56806 2006 July 28 423 18.0 T
P/2006 H1 (McNaught) 57417 56964 2006 Aug. 4 850 18.4 N
P/2006 HR30 (Siding Spring) 57417 57426 2006 Aug. 1 H45 15.8 N
P/2006 K2 (McNaught) 57417 56964 2006 July 30 423 19.0 T
C/1995 O1 (Hale-Bopp) 42547 55726 2005 Aug. 4 320 18.7 N
C/2001 HT50 (LINEAR-NEAT) 52904 55994 2006 July 24 850 21.5 N
C/2001 K5 (LINEAR) 44860 56428 2005 Jan. 2 213 18.7 N
C/2001 Q4 (NEAT) 52163 56427 2006 Feb. 18 J97 18.6 N
C/2002 VQ94 (LINEAR) 49591 56618 2006 July 31 442 17.3 N
C/2003 E1 (NEAT) 51182 56422 2004 Sept.11 704 20.5 T
C/2003 K4 (LINEAR) 52315 56807 2006 Feb. 25 I05 17.6 N
C/2003 O1 (LINEAR) 52164 54571 2006 Feb. 25 941
C/2003 T4 (LINEAR) 53949 56807 2006 Mar. 25 415 19.8 N
C/2003 WT42 (LINEAR) 56169 2006 July 21 J64 16.1 N
C/2004 B1 (LINEAR) 57131 55728 2006 Aug. 1 939 15.5 N
C/2004 D1 (NEAT) 56169 54426 2006 July 9 J97 17.1 N
C/2004 K1 (Catalina) 56169 2006 May 26 I05 18.1 N
C/2004 L2 (LINEAR) 54823 56421 2006 Mar. 25 415 18.4 N
C/2004 Q2 (Machholz) 54558 55391 2006 Aug. 3 850 19.2 N
C/2004 T3 (Siding Spring) 53465 55992 2006 Jan. 31 415 21.1 N
C/2004 X3 (LINEAR) 56953 54711 2006 Mar. 31 474 20.2 T
C/2005 B1 (Christensen) 54164 53474 2006 July 30 A11 16.5 N
C/2005 E2 (McNaught) 54699 57429 2006 Apr. 8 A32 13.6 N
C/2005 EL173 (LONEOS) 55978 57428 2006 May 8 E12 17.4 T
C/2005 G1 (LINEAR) 57131 56965 2006 June 30 215 17.7 T
C/2005 H1 (LINEAR) 54558 54831 2005 Sept.25 215 19.6 T
C/2005 K1 (Skiff) 56954 55725 2006 July 29 A79 18.9 N
C/2005 L3 (McNaught) 54699 55727 2006 July 31 J59 15.3 N
C/2005 O1 (NEAT) 54985 55727 2005 Oct. 7 G96 21.1 T
C/2005 O2 (Christensen) 54985 55995 2005 Dec. 25 E12 18.9 T
C/2005 Q1 (LINEAR) 57131 55594 2006 July 25 215 18.6 T
C/2005 R4 (LINEAR) 55978 56808 2006 Mar. 6 147 18.0 N
C/2005 S4 (McNaught) 56954 55993 2006 Aug. 3 A79 16.3 N
C/2005 W2 (Christensen) 55979 57429 2006 Mar. 24 G96 19.0 T
C/2006 A1 (Pojmanski) 57131 56421 2006 July 1 A18 17.1 N
C/2006 CK10 (Catalina) 56609 57281 2006 May 9 J97 17.2 N
C/2006 E1 (McNaught) 56954 56806 2006 July 28 415 19.4 N
C/2006 F2 (Christensen) 56954 56616 2006 May 24 G96 19.6 T
C/2006 HW51 (Siding Spring) 57417 2006 July 21 E12 17.2 T
C/2006 K1 (McNaught) 57417 56964 2006 July 28 423 17.5 T
C/2006 K3 (McNaught) 57132 56963 2006 June 29 423 18.4 T
C/2006 K4 (NEAT) 57418 56964 2006 Aug. 2 850 18.5 N
C/2006 L1 (Garradd) 57133 2006 June 28 E12 17.2 T
C/2006 L2 (McNaught) 57418 57279 2006 July 29 939 14.8 N
C/2006 M1 (LINEAR) 57418 57280 2006 Aug. 4 850 17.7 N
C/2006 M2 (Spacewatch) 57133 57279 2006 June 22 291 21.1 N
C/2006 M4 (SWAN) 57418 57430 2006 July 27 F84 13.8 N
C/2006 O2 (Garradd) 57419 57426 2006 Aug. 1 423 17.2 N
Ephemeris Positions Of Observable Comets For 2006 Aug. 23.0 TT
Designation (and name) R.A. (2000) Decl. Geo. Hel. El. Ph.
C/2005 G1 (LINEAR) 10 29.87 +47 46.7 5.92 5.14 36.5 6.7
99P/Kowal 12 01.17 +01 25.1 5.60 4.75 30.1 6.1
C/2004 D1 (NEAT) 12 06.29 +41 34.6 5.93 5.19 39.7 7.2
169P/NEAT 12 06.88 +01 34.4 4.37 3.55 31.4 8.5
C/2006 F2 (Christensen) 12 57.71 -13 09.8 5.00 4.41 49.0 10.0
129P/Shoemaker-Levy 13 10.59 -12 10.5 4.03 3.49 51.4 13.1
C/2003 O1 (LINEAR) 13 14.34 +27 36.0 9.57 8.91 46.6 4.7
P/2004 A1 (LONEOS) 13 18.98 +01 50.0 6.79 6.17 48.6 7.1
C/2002 VQ94 (LINEAR) 13 30.17 +49 09.9 7.43 6.92 56.1 7.0
47P/Ashbrook-Jackson 13 31.33 -17 58.0 5.26 4.80 58.4 10.3
P/2002 T5 (LINEAR) 13 36.40 +19 48.9 7.39 6.80 50.9 6.6
P/2004 VR8 (LONEOS) 13 59.85 -02 58.2 3.91 3.51 59.7 14.4
P/2005 XA54 (LONEOS-Hill) 14 11.09 +02 35.7 2.81 2.49 61.1 20.9
C/2006 L2 (McNaught) 14 15.63 -06 30.9 2.51 2.26 64.4 23.8
32P/Comas Sola 14 27.13 -12 24.6 4.51 4.25 68.8 12.8
49P/Arend-Rigaux 15 05.92 -00 49.4 4.53 4.38 75.2 12.9
P/2006 G1 (McNaught) 15 06.33 -31 25.1 2.55 2.63 83.4 22.4
41P/Tuttle-Giacobini-Kresak 15 10.38 -09 22.5 1.21 1.41 78.2 44.6
C/2006 M2 (Spacewatch) 15 15.24 -01 46.9 5.73 5.60 77.7 10.2
C/2004 B1 (LINEAR) 15 18.71 +28 18.2 3.07 2.95 74.0 19.2
C/2006 O2 (Garradd) 15 36.53 -27 53.1 1.35 1.67 88.8 37.2
P/2006 F1 (Kowalski) 15 45.42 -01 18.6 4.37 4.40 85.0 13.2
C/2004 Q2 (Machholz) 16 03.87 -01 26.7 6.54 6.61 89.5 8.8
C/2005 H1 (LINEAR) 16 05.07 -03 12.8 6.66 6.74 90.2 8.6
17P/Holmes 16 13.10 -39 50.3 2.44 2.77 98.5 21.1
P/2006 K2 (McNaught) 16 15.35 -29 25.2 1.75 2.13 97.4 28.0
177P/Barnard 16 56.39 +51 12.9 0.49 1.11 88.5 65.5
P/1991 V1 (Shoemaker-Levy) 17 03.47 -51 38.5 0.95 1.58 107.8 37.4
P/2004 DO29 (Spacewatch-LINEAR) 17 16.35 -09 36.4 5.06 5.47 108.7 10.1
C/2005 O1 (NEAT) 17 26.76 -08 20.7 4.84 5.28 111.1 10.3
P/1998 QP54 (LONEOS-Tucker) 17 31.46 -42 11.2 2.36 2.91 113.3 18.6
156P/Russell-LINEAR 17 50.09 -47 28.3 2.46 3.04 115.8 17.4
136P/Mueller 17 52.68 -16 54.3 3.06 3.65 118.4 14.1
C/2006 E1 (McNaught) 18 00.27 -66 59.7 5.67 6.12 111.5 8.9
P/1998 S1 (LINEAR-Mueller) 18 15.35 -35 31.4 3.25 3.89 122.7 12.6
C/2005 K1 (Skiff) 18 27.96 -26 22.3 3.74 4.42 126.6 10.6
P/1998 U2 (Mueller) 18 30.87 -25 13.9 2.50 3.22 127.3 14.5
C/2005 L3 (McNaught) 18 55.78 -23 15.2 5.95 6.68 133.1 6.3
C/2006 M1 (LINEAR) 19 25.43 +48 05.9 3.42 3.89 110.4 14.1
P/1999 WJ7 (Korlevic) 19 28.15 -21 30.5 4.89 5.71 140.8 6.4
71P/Clark 19 45.77 -40 28.3 0.84 1.73 137.6 23.3
C/2006 K4 (NEAT) 19 46.85 +06 33.5 4.46 5.29 140.7 7.0
P/2001 YX127 (LINEAR) 20 01.40 -30 23.1 3.94 4.81 145.4 6.9
P/1998 VS24 (LINEAR) 20 23.74 -16 07.8 3.38 4.31 154.5 5.8
106P/Schuster 20 34.24 -49 38.9 1.78 2.62 137.4 15.2
82P/Gehrels 20 45.27 -16 36.8 3.60 4.56 159.6 4.4
C/2005 O2 (Christensen) 20 52.26 -39 15.6 3.56 4.45 147.7 7.0
139P/Vaisala-Oterma 21 03.05 -13 46.1 3.26 4.24 164.2 3.7
C/2005 S4 (McNaught) 21 12.80 -15 27.3 5.31 6.30 166.3 2.2
C/2001 HT50 (LINEAR-NEAT) 21 15.43 +03 20.9 8.99 9.95 160.3 2.0
31P/Schwassmann-Wachmann 21 20.96 -18 02.9 4.05 5.04 167.1 2.6
167P/CINEOS 21 47.79 -00 58.2 11.80 12.79 168.4 0.9
P/1999 XN120 (Catalina) 22 04.10 -06 56.7 3.41 4.42 175.3 1.1
P/2006 HR30 (Siding Spring) 22 17.55 +20 42.9 1.21 2.13 147.6 14.7
C/2005 Q1 (LINEAR) 22 17.57 +81 18.9 6.84 6.86 87.1 8.5
117P/Helin-Roman-Alu 22 30.92 -22 52.1 2.27 3.26 167.4 3.9
P/2005 L1 (McNaught) 22 41.05 -11 46.8 2.32 3.33 171.7 2.5
P/2003 CP7 (LINEAR-NEAT) 22 44.06 -14 28.8 3.91 4.91 170.5 1.9
110P/Hartley 22 57.21 +07 30.7 2.74 3.69 157.2 6.1
C/2006 K1 (McNaught) 23 30.96 -72 21.8 4.62 5.17 117.9 9.9
C/2003 E1 (NEAT) 23 39.13 -22 55.7 6.43 7.37 155.3 3.3
P/2006 H1 (McNaught) 23 51.10 -06 45.5 1.60 2.55 153.9 10.1
150P/LONEOS 00 19.19 +25 36.2 4.54 5.26 130.8 8.4
P/1995 A1 (Jedicke) 00 23.15 -19 57.8 3.73 4.61 146.3 7.0
C/2005 B1 (Christensen) 00 48.52 +52 22.3 3.20 3.63 107.2 15.4
P/2003 HT15 (LINEAR) 01 12.85 -26 53.9 5.30 6.05 133.9 6.9
P/2004 F3 (NEAT) 01 13.61 -13 19.8 3.23 4.00 134.5 10.4
128P/Shoemaker-Holt 01 13.76 +10 29.0 2.73 3.45 128.6 13.2
C/2001 Q4 (NEAT) 01 44.53 +52 00.9 8.60 8.86 101.1 6.4
C/2001 K5 (LINEAR) 02 05.07 +53 50.9 10.82 10.99 97.5 5.2
116P/Wild 02 11.05 +13 25.2 4.24 4.75 114.5 11.2
124P/Mrkos 02 11.24 +31 11.6 3.90 4.31 107.6 12.9
C/2006 A1 (Pojmanski) 02 14.91 +80 41.4 3.03 3.07 82.9 19.1
73P/Schwassmann-Wachmann 02 16.27 -14 44.5 0.62 1.42 119.4 38.3
P/2005 Y2 (McNaught) 02 19.83 -08 28.8 4.32 4.87 117.8 10.6
9P/Tempel 02 24.76 +04 21.5 2.94 3.48 114.0 15.4
74P/Smirnova-Chernykh 02 37.85 +09 33.2 4.14 4.58 109.5 12.0
P/2005 S2 (Skiff) 02 47.25 +13 19.4 6.04 6.40 106.2 8.7
C/2005 R4 (LINEAR) 02 58.00 +24 37.0 5.06 5.34 100.4 10.7
C/2003 K4 (LINEAR) 03 07.94 -01 18.1 7.29 7.61 104.7 7.4
P/2005 JY126 (Catalina) 03 12.02 +18 11.2 2.16 2.53 99.1 23.3
102P/Shoemaker 03 19.34 +42 27.2 1.80 2.08 90.8 29.2
112P/Urata-Niijima 03 21.79 +04 49.0 1.12 1.63 100.1 37.6
77P/Longmore 03 22.09 +31 46.5 4.64 4.81 93.2 12.1
C/2004 T3 (Siding Spring) 03 25.81 -27 14.2 10.95 11.24 104.3 5.0
37P/Forbes 04 05.22 +30 05.1 3.41 3.46 84.6 16.9
P/2003 QX29 (NEAT) 04 10.84 +26 14.2 7.90 7.86 84.1 7.3
29P/Schwassmann-Wachmann 04 18.20 +30 29.2 5.89 5.83 81.8 9.9
P/2005 SB216 (LONEOS) 04 25.27 +41 31.2 4.02 3.95 79.0 14.5
143P/Kowal-Mrkos 04 31.45 +22 23.6 5.54 5.46 80.0 10.5
84P/Giclas 04 34.37 +14 18.5 1.73 1.86 80.6 32.5
173P/Mueller 04 43.28 +11 15.9 5.02 4.93 79.0 11.6
170P/Christensen 04 46.24 +12 18.3 3.19 3.14 78.1 18.4
76P/West-Kohoutek-Ikemura 05 04.79 -00 13.1 1.78 1.82 75.9 32.6
C/1995 O1 (Hale-Bopp) 05 11.67 -83 42.4 23.61 23.80 99.8 2.4
P/2005 RV25 (LONEOS-Christensen) 05 24.27 +23 12.5 3.88 3.62 67.9 15.0
C/2004 L2 (LINEAR) 05 38.44 -21 22.2 4.68 4.50 73.7 12.5
178P/Hug-Bell 05 53.24 +16 56.3 2.26 1.99 61.5 26.6
65P/Gunn 06 06.95 +25 32.2 5.19 4.73 58.1 10.5
166P/NEAT 06 19.07 +29 39.1 10.67 10.13 55.7 4.7
C/2006 CK10 (Catalina) 06 26.09 +26 51.9 2.28 1.87 53.9 25.9
C/2003 T4 (LINEAR) 06 33.94 -15 03.1 6.71 6.25 59.1 8.0
10P/Tempel 07 30.94 +19 02.8 4.79 4.04 38.3 8.9
101P/Chernykh 07 39.28 +19 31.3 3.83 3.08 36.4 11.2
C/2006 K3 (McNaught) 07 55.22 -53 00.6 3.49 3.29 70.5 16.8
C/2005 EL173 (LONEOS) 08 32.24 -10 18.2 5.06 4.24 32.2 7.3
C/2004 X3 (LINEAR) 09 05.20 -57 07.2 5.87 5.60 69.9 9.8
Brian G. Marsden (C) Copyright 2006 MPC M.P.E.C. 2006-P21
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