MPEC 2008-U99 : COMET P/2008 U1 (McMILLAN)
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M.P.E.C. 2008-U99 Issued 2008 Oct. 30, 15:09 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.
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://www.cfa.harvard.edu/iau/mpc.html ISSN 1523-6714
COMET P/2008 U1 (McMILLAN)
Observations:
PK08U010 C2008 10 25.90069 01 58 19.84 +11 30 28.8 18.9 N EU099473
PK08U010 C2008 10 25.90347 01 58 19.71 +11 30 28.5 18.9 N EU099473
PK08U010 C2008 10 25.98902 01 58 15.81 +11 30 18.2 19.3 N EU099B37
PK08U010 C2008 10 25.99513 01 58 15.55 +11 30 17.6 19.2 N EU099B37
PK08U010 C2008 10 26.01159 01 58 14.82 +11 30 15.0 19.2 N EU099B37
PK08U010 C2008 10 26.25263 01 58 04.07 +11 29 44.8 19.2 T EU099704
PK08U010 C2008 10 26.26422 01 58 03.50 +11 29 43.5 19.5 T EU099704
PK08U010 C2008 10 26.27574 01 58 02.98 +11 29 42.0 20.1 T EU099704
PK08U010 C2008 10 26.28723 01 58 02.41 +11 29 39.3 19.7 T EU099704
PK08U010 C2008 10 26.29883 01 58 01.93 +11 29 38.7 20.0 T EU099704
PK08U010 C2008 10 26.83308 01 57 38.11 +11 28 29.1 19.4 N EU099104
PK08U010 C2008 10 26.84192 01 57 37.75 +11 28 27.3 19.2 N EU099104
PK08U010 C2008 10 26.85071 01 57 37.31 +11 28 26.3 19.0 N EU099104
PK08U010 C2008 10 27.54112 01 57 06.50 +11 26 59.9 EU099372
PK08U010 C2008 10 27.55141 01 57 05.96 +11 26 57.1 EU099372
PK08U010 C2008 10 27.55380 01 57 05.85 +11 26 57.4 19.0 N EU099372
PK08U010 C2008 10 27.75248 01 56 56.71 +11 26 31.2 EU099349
PK08U010 C2008 10 27.75789 01 56 56.47 +11 26 30.4 EU099349
PK08U010 C2008 10 27.76332 01 56 56.19 +11 26 29.3 18.2 T EU099349
PK08U010 C2008 10 30.27049 01 55 06.01 +11 21 13.5 19.1 N EU099850
PK08U010 C2008 10 30.28712 01 55 05.21 +11 21 11.3 18.0 N EU099850
PK08U010 C2008 10 30.30360 01 55 04.43 +11 21 09.5 18.4 N EU099850
Observer details:
104 San Marcello Pistoiese. Observers L. Tesi, G. Fagioli, M. Mazzucato.
Measurers L. Tesi, M. Mazzucato. 0.60-m f/4 reflector + CCD.
349 Ageo. Observer K. Kadota. 0.25-m f/5.0 reflector + CCD.
372 Geisei. Observers T. Seki, K. Muraoka, S. Shimomoto. 0.70-m f/7
reflector + CCD.
473 Remanzacco. Observers L. Donato, M. Gonano, V. Gonano, E. Guido,
V. Santini, G. Sostero. 0.45-m f/4.4 Newtonian reflector + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Bezpalko, D. Torres,
R. Kracke, G. Spitz, J. Kistler. Measurers J. Stuart, S. Scruggs. 1.0-m
f/2.15 reflector + CCD.
850 Cordell-Lorenz Observatory, Sewanee. Observers D. T. Durig, J. M. Sberna.
0.30-m f/2.5 Schmidt-Cassegrain + CCD.
B37 Obs. de L' Ametlla del Valles, Barcelona. Observer A. Garrigos S.
0.51-m f/4 Newtonian reflector + CCD.
Orbital elements:
P/2008 U1 (McMillan)
T 2008 May 13.2704 TT MPC
q 2.529973 (2000.0) P Q
n 0.1217295 Peri. 310.6408 +0.9732082 +0.2253152
a 4.032169 Node 36.4056 -0.1806932 +0.8727001
e 0.372553 Incl. 4.4272 -0.1421821 +0.4331599
P 8.10
From 52 observations 2008 Sept. 20-Oct. 30.
Ephemeris:
P/2008 U1 (McMillan)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2008 10 21 02 02.02 +11 41.1 1.742 2.736 175.3 1.7 18.6
2008 10 31 01 54.57 +11 19.8 1.772 2.760 172.8 2.6 18.7
2008 11 10 01 47.93 +11 01.5 1.830 2.785 161.1 6.6 18.8
2008 11 20 01 42.84 +10 50.3 1.913 2.812 149.8 10.2 18.9
2008 11 30 01 39.80 +10 48.5 2.020 2.839 139.0 13.2 19.1
2008 12 10 01 39.03 +10 57.8 2.146 2.867 128.8 15.5 19.2
2008 12 20 01 40.53 +11 18.0 2.287 2.895 119.0 17.3 19.4
2008 12 30 01 44.15 +11 48.4 2.441 2.925 109.9 18.4 19.6
Brian G. Marsden (C) Copyright 2008 MPC M.P.E.C. 2008-U99
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