MPEC 2006-A57 : COMET P/2005 YQ127 (LINEAR)
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M.P.E.C. 2006-A57 Issued 2006 Jan. 10, 22:05 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 P/2005 YQ127 (LINEAR)
Observations:
PK05YC7Q C2005 12 28.28042 05 58 03.15 +25 25 49.5 18.0 N EA057704
PK05YC7Q C2005 12 28.29333 05 58 02.61 +25 25 36.8 18.1 N EA057704
PK05YC7Q C2005 12 28.30634 05 58 01.94 +25 25 24.3 17.9 N EA057704
PK05YC7Q C2005 12 28.31916 05 58 01.29 +25 25 13.2 17.9 N EA057704
PK05YC7Q C2005 12 28.33218 05 58 00.59 +25 25 02.9 17.9 N EA057704
PK05YC7Q C2005 12 29.25558 05 57 17.91 +25 11 15.8 17.8 N EA057704
PK05YC7Q C2005 12 29.26847 05 57 17.28 +25 11 03.2 17.8 N EA057704
PK05YC7Q C2005 12 29.28162 05 57 16.61 +25 10 51.3 17.8 N EA057704
PK05YC7Q C2005 12 29.29483 05 57 15.97 +25 10 40.0 17.7 N EA057704
PK05YC7Q C2005 12 29.30799 05 57 15.26 +25 10 26.9 17.7 N EA057704
PK05YC7Q C2005 12 30.26642 05 56 31.84 +24 56 13.6 17.5 N EA057704
PK05YC7Q C2005 12 30.27969 05 56 31.21 +24 56 02.1 17.6 N EA057704
PK05YC7Q C2005 12 30.29326 05 56 30.60 +24 55 49.8 17.9 N EA057704
PK05YC7Q C2005 12 30.30638 05 56 29.95 +24 55 37.6 17.8 N EA057704
PK05YC7Q C2005 12 30.31965 05 56 29.28 +24 55 25.6 17.6 N EA057704
PK05YC7Q C2005 12 31.11268 05 55 54.64 +24 43 43.6 EA057691
PK05YC7Q C2005 12 31.13289 05 55 53.73 +24 43 26.0 EA057691
PK05YC7Q C2005 12 31.15311 05 55 52.88 +24 43 07.9 EA057691
PK05YC7Q C2005 12 31.26330 05 55 47.65 +24 41 31.8 17.7 N EA057704
PK05YC7Q C2005 12 31.27157 05 55 47.22 +24 41 23.3 17.4 N EA057704
PK05YC7Q C2005 12 31.27659 05 55 47.01 +24 41 19.1 17.7 N EA057704
PK05YC7Q C2005 12 31.28988 05 55 46.35 +24 41 08.1 17.8 N EA057704
PK05YC7Q C2005 12 31.29825 05 55 45.88 +24 41 03.9 18.9 N EA057704
PK05YC7Q C2005 12 31.30330 05 55 45.52 +24 40 56.2 18.1 N EA057704
PK05YC7Q C2005 12 31.31149 05 55 45.36 +24 40 47.7 17.6 N EA057704
PK05YC7Q C2005 12 31.31658 05 55 45.11 +24 40 43.0 17.5 N EA057704
PK05YC7Q C2005 12 31.32477 05 55 44.71 +24 40 35.9 17.4 N EA057704
PK05YC7Q C2006 01 02.20274 05 54 25.47 +24 13 07.7 17.5 N EA057704
PK05YC7Q C2006 01 02.21639 05 54 24.91 +24 12 55.4 17.7 N EA057704
PK05YC7Q C2006 01 02.22964 05 54 24.35 +24 12 43.8 17.7 N EA057704
PK05YC7Q C2006 01 02.24279 05 54 23.71 +24 12 32.4 17.6 N EA057704
PK05YC7Q C2006 01 02.25616 05 54 23.32 +24 12 21.1 18.0 N EA057704
PK05YC7Q C2006 01 04.34054 05 53 00.45 +23 42 17.1 17.4 R EA057H45
PK05YC7Q C2006 01 04.34197 05 53 00.32 +23 42 16.3 17.2 R EA057H45
PK05YC7Q C2006 01 04.34715 05 53 00.20 +23 42 12.0 17.6 R EA057H45
PK05YC7Q C2006 01 04.34852 05 53 00.12 +23 42 11.1 17.4 R EA057H45
PK05YC7Q C2006 01 04.34992 05 53 00.07 +23 42 09.2 17.6 R EA057H45
PK05YC7Q C2006 01 05.27172 05 52 26.20 +23 29 04.1 18.0 EA057704
PK05YC7Q C2006 01 05.28457 05 52 26.02 +23 28 52.9 19.2 EA057704
PK05YC7Q C2006 01 05.29743 05 52 25.18 +23 28 40.5 18.1 EA057704
PK05YC7Q C2006 01 05.31032 05 52 24.65 +23 28 30.4 18.0 EA057704
PK05YC7Q C2006 01 05.32327 05 52 24.13 +23 28 19.7 17.8 EA057704
PK05YC7Q C2006 01 06.81823 05 51 32.15 +23 07 19.7 16.7 EA057160
PK05YC7Q C2006 01 06.89522 05 51 29.39 +23 06 15.3 18.2 T EA057A57
PK05YC7Q C2006 01 06.89854 05 51 29.28 +23 06 12.6 18.2 T EA057A57
PK05YC7Q C2006 01 06.90154 05 51 29.13 +23 06 10.6 18.0 T EA057A57
PK05YC7Q C2006 01 06.90462 05 51 29.03 +23 06 07.5 18.2 T EA057A57
PK05YC7Q C2006 01 09.90864 05 49 55.99 +22 25 02.9 17.5 T EA057147
PK05YC7Q C2006 01 09.91300 05 49 55.85 +22 24 58.7 EA057147
PK05YC7Q C2006 01 10.05113 05 49 51.67 +22 23 07.3 EA057204
PK05YC7Q C2006 01 10.05806 05 49 51.47 +22 23 01.3 16.6 T EA057204
PK05YC7Q C2006 01 10.06418 05 49 51.26 +22 22 56.4 EA057204
PK05YC7Q C2006 01 09.89373 05 49 56.48 +22 25 15.2 17.3 T EA057A57
PK05YC7Q C2006 01 09.89853 05 49 56.25 +22 25 10.2 17.8 T EA057A57
PK05YC7Q C2006 01 09.90222 05 49 56.14 +22 25 08.3 17.8 T EA057A57
PK05YC7Q C2006 01 09.90571 05 49 56.13 +22 25 05.2 17.1 T EA057A57
PK05YC7Q C2006 01 09.90913 05 49 55.93 +22 25 04.2 17.4 T EA057A57
PK05YC7Q C2006 01 09.92640 05 49 55.34 +22 24 47.7 16.4 T EA057A57
PK05YC7Q C2006 01 09.93155 05 49 55.24 +22 24 44.3 17.7 T EA057A57
PK05YC7Q C2006 01 09.93656 05 49 55.14 +22 24 39.9 17.0 T EA057A57
PK05YC7Q C2006 01 09.98923 05 49 53.49 +22 23 57.5 EA057203
PK05YC7Q C2006 01 10.00183 05 49 53.13 +22 23 47.1 EA057203
PK05YC7Q C2006 01 10.31670 05 49 44.33 +22 19 36.0 EA057H06
PK05YC7Q C2006 01 10.32736 05 49 44.02 +22 19 27.4 EA057H06
PK05YC7Q C2006 01 10.33639 05 49 43.77 +22 19 19.5 EA057H06
Observer details:
147 Osservatorio Astronomico di Suno. Observers D. Crespi, S. Foglia,
G. Galli, S. Minuto. Measurers S. Foglia, S. Minuto. 0.40-m f/4
reflector + CCD.
160 Castelmartini. Observer E. Prosperi. 0.35-m f/10 Schmidt-Cassegrain
+ CCD.
203 GiaGa Observatory. Observer G. Galli. 0.13-m f/6.4 refractor + CCD.
204 Schiaparelli Observatory. Observer L. Buzzi. 0.60-m f/4.64 Newtonian
reflector + CCD.
691 Steward Observatory, Kitt Peak. Observer A. F. Tubbiolo, R. S. McMillan.
0.9-m f/3 reflector + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Bezpalko, L. Manguso,
D. Torres, R. Kracke, A. Milner, H. Love. Measurers J. Stuart, R. Sayer,
J. Evans, J. Kommers. 1.0-m f/2.15 reflector + CCD.
A57 Osservatorio Astron. Margherita Hack, Firenze. Observers M. Mannucci,
N. Montigiani, S. Riccetti. 0.25-m f/10 Schmidt-Cassegrain + CCD + f/6.3
focal reducer.
H06 New Mexico Skies Observatory. Observers E. Guido, G. Sostero. 0.25-m
f/3.4 reflector + CCD.
H45 Petit Jean Mountain South. Observer P. C. Sherrod. 0.41-m f/3.3
Schmidt-Cassegrain + CCD.
Orbital elements:
P/2005 YQ127 (LINEAR)
Epoch 2005 Nov. 6.0 TT = JDT 2453680.5
T 2005 Nov. 3.95536 TT MPC
q 1.9202067 (2000.0) P Q
n 0.12930617 Peri. 152.32196 +0.34375535 -0.89434296
a 3.8730808 Node 276.37323 +0.79954297 +0.43866114
e 0.5042172 Incl. 16.74467 +0.49250715 -0.08790381
P 7.62
From 61 observations 2005 Dec. 28-2006 Jan. 10, mean residual 0".62.
Residuals in seconds of arc
051228 704 1.5- 1.8+ 051231 704 (1.3- 3.9+) 060106 A57 0.2- 0.4+
051228 704 0.0 0.7+ 051231 704 (2.9- 0.7+) 060106 A57 0.8- 0.9+
051228 704 0.2- 0.1- 051231 704 0.1+ 0.5- 060106 A57 0.6- 0.4+
051228 704 0.2- 0.3+ 051231 704 0.0 0.7- 060109 147 0.1+ 0.4+
051228 704 0.8- 1.8+ 051231 704 0.3- 0.5- 060109 147 0.0 0.3-
051229 704 0.3+ 0.6+ 060102 704 0.2- 0.5+ 060110 204 0.4+ 0.1+
051229 704 0.4+ 0.5- 060102 704 0.4+ 0.0 060110 204 0.5+ 0.2-
051229 704 0.1+ 0.6- 060102 704 0.8+ 0.1- 060110 204 0.1+ 0.1-
051229 704 0.3+ 0.1- 060102 704 0.0 0.1- 060109 A57 0.7+ 0.4+
051229 704 0.5- 1.4- 060102 704 (2.8+ 0.3+) 060109 A57 0.4- 0.7-
051230 704 0.3+ 0.9- 060104 H45 0.0 0.3- 060109 A57 0.4- 0.3+
051230 704 0.4+ 0.6- 060104 H45 1.0- 0.1+ 060109 A57 1.0+ 0.0
051230 704 1.0+ 0.9- 060104 H45 0.2+ 0.4+ 060109 A57 0.3- 1.8+
051230 704 0.8+ 1.4- 060104 H45 0.1- 0.6+ 060109 A57 1.1- 0.8-
051230 704 0.4+ 1.5- 060104 H45 0.0 0.0 060109 A57 0.2- 0.0
051231 691 0.5- 0.8+ 060105 704 0.6+ 0.2+ 060109 A57 0.5+ 0.4-
051231 691 0.3- 0.7+ 060105 704 (5.1+ 0.0 ) 060109 203 0.2- 0.0
051231 691 0.8+ 0.2+ 060105 704 0.5+ 1.5- 060110 203 0.1+ 0.2-
051231 704 0.5+ 0.9+ 060105 704 0.2+ 0.5- 060110 H06 0.0 0.3-
051231 704 0.1- 0.3- 060105 704 0.0 0.1- 060110 H06 0.1+ 0.3-
051231 704 0.3+ 0.1- 060106 160 0.9- 0.9+ 060110 H06 0.4+ 0.9-
051231 704 0.2- 0.7+ 060106 A57 0.4- 0.4+
Ephemeris:
P/2005 YQ127 (LINEAR)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2006 01 05 05 52.60 +23 33.0 1.032 1.996 163.9 7.9 17.1
2006 01 15 05 47.94 +21 19.2 1.097 2.021 152.5 13.0 17.3
2006 01 25 05 46.53 +19 25.5 1.182 2.049 141.9 17.3 17.5
2006 02 04 05 48.45 +17 53.6 1.287 2.080 132.1 20.6 17.7
2006 02 14 05 53.47 +16 41.3 1.406 2.114 123.1 23.0 18.0
2006 02 24 06 01.12 +15 44.6 1.537 2.150 114.9 24.7 18.3
2006 03 06 06 10.96 +14 58.9 1.678 2.189 107.3 25.6 18.5
2006 03 16 06 22.56 +14 20.0 1.826 2.229 100.2 26.0 18.8
2006 03 26 06 35.53 +13 44.2 1.979 2.271 93.6 26.0 19.0
2006 04 05 06 49.55 +13 08.9 2.136 2.315 87.3 25.6 19.3
2006 04 15 07 04.35 +12 31.6 2.294 2.360 81.3 24.8 19.5
2006 04 25 07 19.70 +11 51.1 2.453 2.406 75.5 23.9 19.8
2006 05 05 07 35.43 +11 06.2 2.611 2.454 69.9 22.7 20.0
2006 05 15 07 51.37 +10 16.1 2.767 2.502 64.4 21.4 20.2
2006 05 25 08 07.41 +09 20.8 2.920 2.551 59.0 19.9 20.4
2006 06 04 08 23.45 +08 19.9 3.068 2.600 53.7 18.3 20.6
2006 06 14 08 39.41 +07 13.6 3.211 2.650 48.5 16.7 20.8
2006 06 24 08 55.23 +06 02.3 3.348 2.701 43.4 15.0 20.9
2006 07 04 09 10.86 +04 46.0 3.477 2.751 38.2 13.2 21.1
2006 07 14 09 26.26 +03 25.4 3.597 2.802 33.2 11.4 21.3
Gareth V. Williams (C) Copyright 2006 MPC M.P.E.C. 2006-A57
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