MPEC 2008-U26 : COMET P/2008 T4 (HILL)
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M.P.E.C. 2008-U26 Issued 2008 Oct. 20, 19:54 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 T4 (HILL)
Observations:
PK08T040 C2008 10 08.26960 01 52 56.59 +07 39 30.3 18.9 T EU026691
PK08T040 C2008 10 08.29409 01 52 55.65 +07 39 29.1 18.9 T EU026691
PK08T040 C2008 10 08.31168 01 52 54.98 +07 39 28.1 19.0 T EU026691
PK08T040 C2008 10 08.61152 01 52 43.96 +07 39 19.2 17.6 T EU026E16
PK08T040 C2008 10 08.61815 01 52 43.69 +07 39 18.2 18.0 T EU026E16
PK08T040 C2008 10 08.62305 01 52 43.48 +07 39 17.2 18.0 T EU026E16
PK08T040 C2008 10 09.05430 01 52 27.38 +07 38 48.8 18.0 T EU026A55
PK08T040 C2008 10 09.06289 01 52 27.06 +07 38 47.9 18.1 T EU026A55
PK08T040 C2008 10 09.07149 01 52 26.70 +07 38 47.6 18.0 T EU026A55
PK08T040 C2008 10 09.41528 01 52 13.92 +07 38 30.4 18.5 T EU026673
PK08T040 C2008 10 09.42257 01 52 13.58 +07 38 30.4 EU026673
PK08T040 C2008 10 09.42951 01 52 13.33 +07 38 29.3 EU026673
PK08T040 C2008 10 09.44132 01 52 12.76 +07 38 27.9 EU026673
PK08T040 C2008 10 09.73240 01 52 01.87 +07 38 13.3 EU026349
PK08T040 C2008 10 09.73830 01 52 01.62 +07 38 13.1 EU026349
PK08T040 C2008 10 09.74418 01 52 01.39 +07 38 12.9 18.0 T EU026349
PK08T040 C2008 10 09.79630 01 51 59.88 +07 38 08.8 18.3 N EU026104
PK08T040 C2008 10 09.80450 01 51 59.51 +07 38 08.6 18.5 N EU026104
PK08T040 C2008 10 09.81341 01 51 59.15 +07 38 08.7 18.6 N EU026104
PK08T040 C2008 10 09.96066 01 51 53.49 +07 38 00.1 EU026204
PK08T040 C2008 10 09.96700 01 51 53.24 +07 37 59.7 17.8 N EU026204
PK08T040 C2008 10 10.27547 01 51 41.38 +07 37 43.1 17.7 N EU026850
PK08T040 C2008 10 10.29070 01 51 40.82 +07 37 42.7 18.1 N EU026850
PK08T040 C2008 10 10.30598 01 51 40.23 +07 37 41.7 18.3 N EU026850
PK08T040 C2008 10 10.32097 01 51 39.57 +07 37 41.1 18.1 N EU026850
PK08T040 C2008 10 10.84844 01 51 19.63 +07 37 15.2 17.2 N EU026A77
PK08T040 C2008 10 10.85309 01 51 19.55 +07 37 11.7 17.9 N EU026A77
PK08T040 C2008 10 10.85421 01 51 19.65 +07 37 12.1 EU026629
PK08T040 C2008 10 10.85775 01 51 19.38 +07 37 11.5 17.7 N EU026A77
PK08T040 C2008 10 10.90721 01 51 17.47 +07 37 09.3 17.7 N EU026B49
PK08T040 C2008 10 10.91577 01 51 17.11 +07 37 07.6 17.2 N EU026B49
PK08T040 C2008 10 10.98206 01 51 14.35 +07 37 04.4 EU026118
PK08T040 C2008 10 10.98755 01 51 14.13 +07 37 04.1 EU026118
PK08T040 C2008 10 10.99849 01 51 13.71 +07 37 03.8 18.3 N EU026213
PK08T040 C2008 10 11.00877 01 51 13.30 +07 37 03.1 18.4 N EU026213
PK08T040 C2008 10 11.02008 01 51 12.90 +07 37 02.6 18.7 N EU026213
PK08T040 C2008 10 18.65937 01 46 03.73 +07 30 04.2 17.6 N EU026900
PK08T040 C2008 10 18.66660 01 46 03.35 +07 30 04.4 EU026900
Observer details:
104 San Marcello Pistoiese. Observers L. Tesi, G. Fagioli, P. Bacci,
M. Mazzucato. Measurer L. Tesi. 0.60-m f/4 reflector + CCD.
118 Modra. Observer S. Gajdos. 0.6-m f/5.5 reflector + CCD.
204 Schiaparelli Observatory. Observer L. Buzzi. 0.60-m f/4.64 reflector
+ CCD.
213 Observatorio Montcabre. Observer R. Naves. Measurer M. Campas. 0.30-m
f/5 Schmidt-Cassegrain + CCD.
349 Ageo. Observer K. Kadota. 0.25-m f/5.0 reflector + CCD.
629 JATE Observatory, Szeged. Observer G. Santa. 0.40-m f/3.0 reflector
+ CCD.
673 Table Mountain Observatory, Wrightwood. Observer D. Mayes. 0.6-m f/16
Cassegrain + CCD.
691 Steward Observatory, Kitt Peak. Observer J. V. Scotti. 0.9-m Spacewatch
telescope + CCD.
850 Cordell-Lorenz Observatory, Sewanee. Observer D. T. Durig. 0.30-m f/2.5
Schmidt-Cassegrain + CCD.
900 Moriyama. Observer Y. Ikari. 0.26-m f/7.0 reflector + CCD.
A55 Osservatorio Astronomico Vallemare di Borbona. Observer V. S. Casulli.
0.40-m f/4.5 Newtonian reflector + CCD.
A77 Observatoire Chante-Perdrix, Dauban. Observers C. Rinner, F. Kugel.
Measurer F. Kugel. 0.5-m f/3 reflector + CCD.
B49 Paus Observatory, Sabadell. Observer J. Camarasa. 0.25-m f/4 Newtonian
reflector + CCD.
E16 Grove Creek Observatory, Trunkey. Observers G. Sostero, P. Camilleri,
E. Guido. 0.35-m f/6.7 reflector + CCD.
Orbital elements:
P/2008 T4 (Hill)
T 2008 Dec. 21.430 TT MPC
q 2.51086 (2000.0) P Q
n 0.105536 Peri. 0.472 +0.704418 -0.705571
a 4.43476 Node 44.748 +0.650855 +0.598692
e 0.43382 Incl. 6.298 +0.283165 +0.379128
P 9.34
From 64 observations 2008 Sept. 28-Oct. 18.
Ephemeris:
P/2008 T4 (Hill)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2008 10 11 01 51.23 +07 37.1 1.575 2.562 168.8 4.3 18.6
2008 10 21 01 44.43 +07 28.1 1.554 2.549 176.8 1.3 18.5
2008 10 31 01 37.53 +07 22.0 1.560 2.538 167.2 5.0 18.5
2008 11 10 01 31.56 +07 23.1 1.591 2.528 156.0 9.2 18.5
2008 11 20 01 27.36 +07 34.4 1.647 2.521 145.1 13.0 18.6
2008 11 30 01 25.47 +07 57.9 1.722 2.516 134.7 16.2 18.7
Brian G. Marsden (C) Copyright 2008 MPC M.P.E.C. 2008-U26
Read MPEC 2008-U25
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