MPEC 2005-M23 : COMET P/2005 J1 (McNAUGHT)
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M.P.E.C. 2005-M23 Issued 2005 June 20, 01:43 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
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 J1 (McNAUGHT)
Observations:
PK05J010 C2005 06 09.33370 20 25 51.12 -05 27 44.4 18.5 T EM023704
PK05J010 C2005 06 09.34363 20 25 50.80 -05 27 20.0 18.8 T EM023704
PK05J010 C2005 06 09.35360 20 25 50.32 -05 26 55.5 18.7 T EM023704
PK05J010 C2005 06 09.36371 20 25 49.93 -05 26 31.3 19.0 T EM023704
PK05J010 C2005 06 09.37502 20 25 49.45 -05 26 02.6 18.8 T EM023704
PK05J010 C2005 06 16.39907 20 20 09.56 -00 43 44.7 18.5 T EM023673
PK05J010 C2005 06 16.40231 20 20 09.35 -00 43 36.9 EM023673
PK05J010 C2005 06 16.41065 20 20 08.85 -00 43 17.9 EM023673
PK05J010 C2005 06 16.41447 20 20 08.62 -00 43 08.6 EM023673
PK05J010 C2005 06 17.98576 20 18 36.13 +00 18 01.8 17.1 N EM023213
PK05J010 C2005 06 17.98663 20 18 36.07 +00 18 04.1 17.1 N EM023213
PK05J010 C2005 06 17.99197 20 18 35.75 +00 18 16.7 17.1 N EM023213
PK05J010 C2005 06 18.08123 20 18 29.96 +00 21 43.0 18.5 T EM023170
PK05J010 C2005 06 18.08304 20 18 29.87 +00 21 48.1 EM023170
Observer details:
170 Observatorio de Begues. Observer J. Manteca. 0.36-m f/10
Schmidt-Cassegrain + CCD.
213 Observatorio Montcabre. Observer R. Naves. Measurer M. Campas. 0.30-m
f/5.9 Schmidt-Cassegrain + CCD.
673 Table Mountain Observatory, Wrightwood. Observer J. Young. 0.6-m
reflector + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly,
M. Bezpalko, R. Huber, L. Manguso, D. Torres, R. Kracke, M. McCleary,
H. Stange, A. Milner. Measurers J. Stuart, R. Sayer, J. Evans, J. Kommers.
1.0-m f/2.15 reflector + CCD.
Orbital elements:
P/2005 J1 (McNaught)
T 2005 Apr. 17.3081 TT MPC
q 1.530158 (2000.0) P Q
n 0.1463359 Peri. 338.9243 -0.3245389 +0.7858954
a 3.566445 Node 268.8414 -0.7749562 -0.5399818
e 0.570957 Incl. 31.7663 -0.5423259 +0.3013107
P 6.74
From 73 observations 2005 May 3-June 18.
Ephemeris:
P/2005 J1 (McNaught)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2005 06 19 20 17.55 +00 57.1 0.770 1.663 136.7 24.8 18.1
2005 06 29 20 05.52 +06 53.4 0.783 1.704 142.1 21.5 18.3
2005 07 09 19 51.60 +11 40.1 0.819 1.751 144.7 19.6 18.5
2005 07 19 19 37.86 +15 03.5 0.877 1.800 143.9 19.4 18.8
2005 07 29 19 26.15 +17 06.5 0.953 1.853 140.5 20.4 19.1
2005 08 08 19 17.67 +18 02.6 1.046 1.908 135.7 21.8 19.4
2005 08 18 19 12.97 +18 09.8 1.153 1.966 130.3 23.1 19.7
2005 08 28 19 12.01 +17 45.4 1.271 2.025 124.7 24.2 20.1
Brian G. Marsden (C) Copyright 2005 MPC M.P.E.C. 2005-M23
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