MPEC 2006-B27 : COMET 73P/SCHWASSMANN-WACHMANN (component B assumed)
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M.P.E.C. 2006-B27 Issued 2006 Jan. 23, 21:57 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
COMET 73P/SCHWASSMANN-WACHMANN (component B assumed)
Observations:
0073P b C2006 01 06.47878 12 41 58.76 +10 54 11.5 18.8 R EB027H02
0073P b C2006 01 06.48259 12 41 59.04 +10 54 10.1 18.8 R EB027H02
0073P b C2006 01 06.48640 12 41 59.37 +10 54 10.0 18.6 R EB027H02
0073P b C2006 01 06.49022 12 41 59.67 +10 54 09.4 18.8 R EB027H02
0073P b C2006 01 06.49403 12 42 00.02 +10 54 09.4 18.7 R EB027H02
0073P b C2006 01 06.49784 12 42 00.32 +10 54 08.8 18.8 R EB027H02
0073P b C2006 01 07.50299 12 43 25.62 +10 52 17.9 19.0 R EB027H02
0073P b C2006 01 07.50681 12 43 25.93 +10 52 17.0 18.9 R EB027H02
0073P b C2006 01 07.51061 12 43 26.23 +10 52 16.2 19.0 R EB027H02
0073P b C2006 01 07.51442 12 43 26.51 +10 52 16.2 19.1 R EB027H02
0073P b C2006 01 07.51824 12 43 26.88 +10 52 15.7 19.0 R EB027H02
0073P b C2006 01 07.52205 12 43 27.23 +10 52 15.9 18.9 R EB027H02
0073P b C2006 01 09.38924 12 46 05.41 +10 49 09.5 17.7 R EB027H02
0073P b C2006 01 09.39304 12 46 05.85 +10 49 09.7 17.7 R EB027H02
0073P b C2006 01 09.39685 12 46 06.14 +10 49 09.3 17.8 R EB027H02
0073P b C2006 01 23.45735 13 05 41.42 +10 42 07.1 18.1 V EB027703
0073P b C2006 01 23.46453 13 05 41.78 +10 42 09.0 17.8 V EB027703
0073P b C2006 01 23.47159 13 05 42.54 +10 42 07.4 18.1 V EB027703
0073P b C2006 01 23.47867 13 05 43.04 +10 42 07.4 18.1 V EB027703
0073P b C2006 01 23.48770 13 05 43.65 +10 42 09.5 17.6 V EB027703
0073P b C2006 01 23.49607 13 05 44.37 +10 42 09.6 17.9 V EB027703
0073P b C2006 01 23.50447 13 05 44.95 +10 42 10.2 17.7 V EB027703
0073P b C2006 01 23.51284 13 05 45.78 +10 42 10.9 18.0 V EB027703
Observer details:
703 Catalina Sky Survey. Observer R. Hill. 0.68-m Schmidt + CCD
H02 Sulphur Flats Observatory, La Cueva. Observer J. A. Farrell. 0.41-m
f/8.4 reflector + CCD.
Orbital elements:
73P/Schwassmann-Wachmann (component B assumed; cf. IAUC 8659)
Epoch 2006 May 25.0 TT = JDT 2453880.5
T 2006 June 7.93879 TT MPC
q 0.9391230 (2000.0) P Q
n 0.18394412 Peri. 198.80470 -0.02870951 +0.98221160
a 3.0620488 Node 69.89227 -0.88990146 +0.05943516
e 0.6933024 Incl. 11.39751 -0.45524845 -0.17812306
P 5.36
From 71 observations 1995 Dec. 23-2006 Jan. 23, mean residual 0".92. Non-
gravitational parameters A1 = +0.87 +/- 0.32, A2 = +0.1981 +/- 0.1086.
Residuals in seconds of arc
951223 568 0.6+ 1.4+ 960206 118 0.1- 1.7- 060106 H02 0.3- 0.7+
951223 568 0.8+ 0.9+ 960206 118 0.3+ 2.3- 060106 H02 0.8- 0.3-
951224 568 1.0- 0.8+ 960206 118 0.8- 3.1- 060106 H02 0.6- 0.1+
951224 568 0.6- 2.3+ 960209 711 0.5- 0.6- 060106 H02 0.9- 0.1-
951225 568 0.8- 0.8+ 960209 711 0.2- 0.4- 060106 H02 0.4- 0.3+
951225 568 1.0- 0.8+ 960210 711 0.2- 0.6- 060106 H02 0.6- 0.2+
951227 691 2.0- 0.6- 960210 711 1.1- 1.3- 060107 H02 0.4+ 0.3+
951227 691 1.4- 0.3- 960215 693 1.6+ 0.5+ 060107 H02 0.3+ 0.1-
960111 360 1.9+ 0.3+ 960215 693 0.2+ 0.6- 060107 H02 0.0 0.5-
960111 360 2.0+ 0.2+ 960215 693 0.4- 0.9- 060107 H02 0.5- 0.1-
960111 360 1.2+ 0.2+ 960216 693 0.5+ 0.3+ 060107 H02 0.3+ 0.2-
960113 118 0.4+ 0.7- 960216 693 1.5+ 0.9+ 060107 H02 0.8+ 0.4+
960114 118 0.4+ 1.9- 960910 809 0.7- 0.2+ 060109 H02 0.2- 0.6-
960119 691 0.7- 1.0- 960913 809 0.1- 0.4+ 060109 H02 1.6+ 0.0
960119 691 0.9- 0.9- 960914 809 0.1- 0.1+ 060109 H02 1.2+ 0.1-
960119 691 1.0- 0.8- 960914 809 0.1- 0.1+ 060123 703 1.9+ 0.8-
960121 695 1.5+ 1.6+ 960915 809 0.4- 0.2+ 060123 703 1.3- 0.8+
960121 695 0.4+ 0.8+ 960915 809 0.2- 0.1+ 060123 703 1.5+ 1.0-
960121 695 0.7+ 1.6+ 961118 696 2.0+ 0.9- 060123 703 0.5+ 1.3-
960121 695 0.1+ 1.3+ 961118 696 0.7- 0.2- 060123 703 1.2- 0.4+
960126 413 0.9+ 0.4- 961119 696 0.5+ 0.2+ 060123 703 0.5- 0.2+
960126 413 0.5+ 0.7+ 961214 695 1.4- 0.2+ 060123 703 1.8- 0.5+
960127 413 0.2+ 0.3- 961214 695 0.2+ 0.4+ 060123 703 0.5+ 0.9+
960127 413 0.4- 0.4- 961214 695 0.2- 1.7+
Ephemeris:
73P/Schwassmann-Wachmann (B) [Mag. = 14.0 + 5 log Delta + 10 log r]
Date TT R. A. (2000) Decl. Delta r Elong. Phase Mag.
2006 01 15 12 53.96 +10 42.8 1.542 2.044 105.9 27.6 18.0
2006 01 20 13 00.91 +10 41.0 1.447 1.999 109.2 27.7 17.8
2006 01 25 13 07.80 +10 43.4 1.353 1.953 112.4 27.8 17.6
2006 01 30 13 14.60 +10 50.2 1.262 1.908 115.6 27.7 17.3
2006 02 04 13 21.31 +11 01.9 1.173 1.862 118.9 27.6 17.0
2006 02 09 13 27.92 +11 18.8 1.088 1.815 122.0 27.4 16.8
2006 02 14 13 34.42 +11 41.2 1.005 1.769 125.2 27.2 16.5
2006 02 19 13 40.80 +12 09.7 0.925 1.722 128.2 26.8 16.2
2006 02 24 13 47.06 +12 44.6 0.849 1.674 131.1 26.4 15.9
2006 03 01 13 53.20 +13 26.3 0.775 1.627 133.9 26.0 15.6
2006 03 06 13 59.20 +14 15.2 0.705 1.580 136.5 25.6 15.2
2006 03 11 14 05.12 +15 11.3 0.639 1.533 138.8 25.3 14.9
2006 03 16 14 10.99 +16 15.0 0.576 1.486 140.7 25.1 14.5
2006 03 21 14 16.87 +17 26.6 0.516 1.439 142.2 25.1 14.1
2006 03 26 14 22.88 +18 46.6 0.459 1.392 143.1 25.5 13.7
2006 03 31 14 29.16 +20 15.3 0.406 1.346 143.3 26.3 13.3
2006 04 05 14 36.02 +21 53.0 0.355 1.301 142.8 27.7 12.9
2006 04 10 14 43.94 +23 41.2 0.307 1.257 141.6 29.7 12.4
2006 04 15 14 53.69 +25 42.6 0.261 1.214 139.5 32.5 11.9
2006 04 20 15 06.63 +28 02.4 0.218 1.172 136.5 36.2 11.4
2006 04 25 15 25.37 +30 49.6 0.177 1.133 132.5 40.9 10.8
2006 04 30 15 55.59 +34 16.6 0.138 1.095 126.9 47.4 10.1
2006 05 05 16 51.13 +38 23.2 0.103 1.061 118.2 56.9 9.3
2006 05 10 18 42.01 +40 36.0 0.0759 1.030 103.4 72.5 8.5
2006 05 15 21 23.29 +31 00.5 0.0671 1.003 81.1 95.1 8.1
The observations for the above solution were selected according to the
assessment of component B (vs. E and F) by Sekanina (2006, IAUC 8659; 2005,
ICQ 27, 229, Table 2).
Daniel W. E. Green (C) Copyright 2006 MPC M.P.E.C. 2006-B27
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