MPEC 2015-W73 : COMET P/2015 W2 (CATALINA)
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M.P.E.C. 2015-W73 Issued 2015 Nov. 29, 23:50 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. They are published
on behalf of Division F 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 https://www.minorplanetcenter.net/ ISSN 1523-6714
COMET P/2015 W2 (CATALINA)
Observations:
PK15W020 C2015 11 21.21863 04 33 59.95 +35 23 36.4 18.8 TqEW073703
PK15W020 C2015 11 21.23078 04 33 59.51 +35 23 36.4 18.8 TqEW073703
PK15W020 C2015 11 21.23686 04 33 59.24 +35 23 34.0 18.9 TqEW073703
PK15W020 C2015 11 21.26511304 33 58.26 +35 23 28.1 19.6 TtEW073H01
PK15W020 C2015 11 21.26825604 33 58.14 +35 23 27.5 19.6 TtEW073H01
PK15W020 C2015 11 21.27951604 33 57.72 +35 23 25.1 19.6 TtEW073H01
PK15W020 C2015 11 21.28583604 33 57.48 +35 23 23.8 19.6 TtEW073H01
PK15W020 C2015 11 21.41766604 33 52.44 +35 22 54.3 19.6 TtEW073H01
PK15W020 C2015 11 21.41936704 33 52.37 +35 22 54.0 19.6 TtEW073H01
PK15W020 C2015 11 21.42084304 33 52.34 +35 22 53.7 19.6 TtEW073H01
PK15W020 C2015 11 21.44697104 33 51.34 +35 22 47.7 19.6 TtEW073H01
PK15W020 KC2015 11 22.17712 04 33 25.16 +35 20 03.5 tEW073754
PK15W020 KC2015 11 22.18275 04 33 24.93 +35 20 02.4 18.9 TtEW073754
PK15W020 KC2015 11 22.18820 04 33 24.73 +35 20 01.4 19.3 TtEW073754
PK15W020 KC2015 11 22.21194 04 33 23.81 +35 19 55.5 18.1 TtEW073754
PK15W020 C2015 11 22.23868804 33 22.91 +35 19 50.6 19.4 TtEW073H01
PK15W020 C2015 11 22.32211304 33 19.68 +35 19 31.8 19.6 TtEW073H01
PK15W020 C2015 11 22.33036804 33 19.36 +35 19 29.9 19.5 TtEW073H01
PK15W020 C2015 11 22.34076304 33 18.96 +35 19 27.5 19.5 TtEW073H01
PK15W020 KC2015 11 22.35192 04 33 18.62 +35 19 24.7 19.7 TtEW073U54
PK15W020 C2015 11 22.36955 04 33 17.89 +35 19 20.9 20.2 TuEW073926
PK15W020 KC2015 11 22.37302 04 33 17.76 +35 19 19.1 19.7 TtEW073U54
PK15W020 C2015 11 22.38347 04 33 17.30 +35 19 17.7 18.9 TREW073G45
PK15W020 C2015 11 22.38488 04 33 17.20 +35 19 16.8 19.0 TREW073G45
PK15W020 C2015 11 22.38589 04 33 17.27 +35 19 16.6 19.9 TuEW073926
PK15W020 KC2015 11 22.38705 04 33 17.24 +35 19 16.0 19.5 TtEW073U54
PK15W020 C2015 11 22.38936 04 33 17.08 +35 19 16.2 19.0 TREW073G45
PK15W020 C2015 11 22.39522 04 33 16.83 +35 19 14.9 19.4 TREW073G45
PK15W020 C2015 11 22.39529 04 33 16.83 +35 19 14.5 19.5 TREW073G45
PK15W020 KC2015 11 22.39938 04 33 16.80 +35 19 13.3 19.8 TtEW073U54
PK15W020 C2015 11 22.40095 04 33 16.61 +35 19 13.7 19.1 TREW073G45
PK15W020 C2015 11 22.40102 04 33 16.58 +35 19 13.8 19.2 TREW073G45
PK15W020 5C2015 11 22.45392 04 33 14.59 +35 19 01.0 vEW073U69
PK15W020 5C2015 11 22.45762 04 33 14.51 +35 19 00.0 vEW073U69
PK15W020 5C2015 11 22.46132 04 33 14.39 +35 18 58.9 18.6 TvEW073U69
PK15W020 KC2015 11 22.86566 04 32 59.88 +35 17 23.1 19.5 TqEW073958
PK15W020 KC2015 11 22.87669 04 32 59.44 +35 17 19.5 19.5 TqEW073958
PK15W020 KC2015 11 22.88770 04 32 59.07 +35 17 18.4 19.2 TqEW073958
PK15W020 KC2015 11 22.90530 04 32 58.40 +35 17 14.7 18.2 TqEW073C23
PK15W020 KC2015 11 22.92642 04 32 57.53 +35 17 10.1 19.2 TtEW073595
PK15W020 KC2015 11 22.93353 04 32 57.28 +35 17 08.6 tEW073595
PK15W020 KC2015 11 22.94745 04 32 56.72 +35 17 05.1 17.8 TqEW073C23
PK15W020 C2015 11 23.20876 04 32 47.17 +35 16 04.5 18.7 TqEW073G96
PK15W020 C2015 11 23.21392 04 32 47.00 +35 16 03.5 18.7 TqEW073G96
PK15W020 C2015 11 23.21908 04 32 46.81 +35 16 02.2 19.0 TqEW073G96
PK15W020 C2015 11 23.22425 04 32 46.59 +35 16 01.0 18.9 TqEW073G96
PK15W020 C2015 11 23.33659904 32 42.22 +35 15 34.9 19.7 TtEW073H01
PK15W020 C2015 11 23.34974504 32 41.70 +35 15 31.7 19.7 TtEW073H01
PK15W020 C2015 11 23.35728804 32 41.41 +35 15 29.9 19.8 TtEW073H01
PK15W020 C2015 11 23.36331804 32 41.17 +35 15 28.4 19.7 TtEW073H01
PK15W020 KC2015 11 23.74221 04 32 27.40 +35 13 54.2 19.0 TqEW073C10
PK15W020 KC2015 11 23.75436 04 32 26.94 +35 13 51.3 19.0 TqEW073C10
PK15W020 KC2015 11 23.76651 04 32 26.48 +35 13 48.1 18.9 TqEW073C10
PK15W020 KC2015 11 24.25179 04 32 08.15 +35 11 51.9 19.9 TtEW073754
PK15W020 KC2015 11 24.25764 04 32 07.90 +35 11 50.6 20.1 TtEW073754
PK15W020 KC2015 11 24.26373 04 32 07.69 +35 11 49.1 20.0 TtEW073754
PK15W020 C2015 11 24.27696 04 32 07.27 +35 11 46.7 19.4 TuEW073926
PK15W020 C2015 11 24.29110 04 32 06.70 +35 11 43.4 19.3 TuEW073926
PK15W020 KC2015 11 24.29539 04 32 06.42 +35 11 40.8 20.2 TtEW073754
PK15W020 KC2015 11 24.30090 04 32 06.22 +35 11 39.6 20.1 TtEW073754
PK15W020 C2015 11 24.30497 04 32 06.15 +35 11 39.6 19.4 TuEW073926
PK15W020 KC2015 11 24.30644 04 32 06.02 +35 11 38.1 20.1 TtEW073754
PK15W020 C2015 11 24.34028804 32 04.75 +35 11 30.7 19.9 TtEW073H01
PK15W020 C2015 11 24.34736804 32 04.48 +35 11 29.0 19.9 TtEW073H01
PK15W020 C2015 11 24.38708704 32 02.90 +35 11 18.9 20.0 TtEW073H01
PK15W020 ^C2015 11 24.39223 04 32 02.69 +35 11 18.3 oEW073695
PK15W020 ^C2015 11 24.40304 04 32 02.30 +35 11 15.2 oEW073695
PK15W020 C2015 11 24.41200304 32 01.93 +35 11 12.5 19.7 TtEW073H01
PK15W020 KC2015 11 24.86856 04 31 45.12 +35 09 17.4 18.9 ToEW073K51
PK15W020 KC2015 11 24.87446 04 31 44.91 +35 09 15.8 19.0 ToEW073K51
PK15W020 KC2015 11 24.88467 04 31 44.50 +35 09 13.4 19.0 ToEW073K51
PK15W020 KC2015 11 26.98185 04 30 24.72 +35 00 02.8 19.0 TqEW073203
PK15W020 KC2015 11 27.00352 04 30 23.77 +34 59 57.0 18.8 TqEW073203
PK15W020 KC2015 11 27.76855 04 29 54.83 +34 56 25.3 19.0 TqEW073C77
PK15W020 KC2015 11 27.79688 04 29 53.83 +34 56 17.4 18.4 TqEW073C77
PK15W020 C2015 11 28.65610 04 29 20.49 +34 52 16.3 19.1 TqEW073900
PK15W020 C2015 11 28.66324 04 29 20.20 +34 52 14.3 19.8 TqEW073900
PK15W020 KC2015 11 29.26532 04 28 57.14 +34 49 19.9 19.9 TtEW073754
PK15W020 KC2015 11 29.26894 04 28 57.00 +34 49 18.8 18.9 TtEW073754
PK15W020 KC2015 11 29.27309 04 28 57.01 +34 49 17.4 20.1 TtEW073G52
PK15W020 KC2015 11 29.27804 04 28 56.64 +34 49 16.2 20.0 TtEW073754
PK15W020 C2015 11 29.32723 04 28 54.72 +34 49 03.1 19.3 TuEW073926
PK15W020 KC2015 11 29.32801 04 28 54.78 +34 49 01.5 tEW073G52
PK15W020 C2015 11 29.34115 04 28 54.18 +34 48 59.1 19.3 TuEW073926
PK15W020 KC2015 11 29.34256 04 28 54.18 +34 48 57.4 tEW073G52
PK15W020 C2015 11 29.35531 04 28 53.61 +34 48 54.5 19.2 TuEW073926
PK15W020 KC2015 11 29.80383 04 28 36.71 +34 46 40.5 18.6 TqEW073157
PK15W020 KC2015 11 29.81172 04 28 36.43 +34 46 38.4 18.6 TqEW073157
PK15W020 KC2015 11 29.94602 04 28 31.08 +34 45 58.3 19.4 TqEW073Z99
PK15W020 KC2015 11 29.95219 04 28 30.81 +34 45 56.4 19.4 TqEW073Z99
PK15W020 KC2015 11 29.95879 04 28 30.57 +34 45 54.6 19.2 TqEW073Z99
Observer details:
157 Frasso Sabino. Observer R. Haver. 0.37-m f/6.85 Cassegrain + CCD.
203 GiaGa Observatory. Observers S. Foglia, G. Galli. Measurer G. Galli.
0.28-m f/6.8 Schmidt-Cassegrain + CCD.
595 Farra d'Isonzo. Observer E. Pettarin. 0.61-m f/4.0 reflector + CCD.
695 Kitt Peak. Observers T. H. Bressi, R. S. McMillan. Measurer T. H. Bressi.
2.3-m f/9 reflector + CCD.
703 Catalina Sky Survey. Observers J. A. Johnson, G. J. Leonard. Measurers
E. J. Christensen, D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson,
R. A. Kowalski, S. M. Larson, G. J. Leonard, R. G. Matheny, F. C. Shelly.
0.68-m Schmidt + CCD.
754 Yerkes Observatory, Williams Bay. Observer V. L. Hoette. Measurers
V. L. Hoette, A. W. Puckett, R. L. Sanchez, A. E. Burrows, B. L. Mespelt.
1.02-m f/8.04 Cassegrain reflector + CCD.
900 Moriyama. Observer Y. Ikari. 0.26-m f/7.0 reflector + CCD.
926 Tenagra II Observatory. Observers M. Schwartz, P. R. Holvorcem. Measurer
M. Schwartz. 0.41-m f/3.75 astrograph + CCD.
958 Observatoire de Dax. Observers P. Dupouy, J. B. de Vanssay. Measurer
P. Dupouy. 0.43-m f/2.7 reflector + CCD.
C10 Maisoncelles. Observer J.-F. Soulier. 0.30-m f/3.8 Newtonian reflector
+ CCD.
C23 Olmen. Observer A. Diepvens. 0.20-m f/9 refractor + CCD.
C77 Bernezzo Observatory. Observer A. Mantero. 0.25-m f/4 reflector + CCD.
G45 Space Surveillance Telescope, Atom Site. Observers M. Blythe, R. Brungard,
P. Festler, T. McVey, J. Paige, G. Spitz. Measurers M. Cornell, A. Klein,
J. Ruprecht, G. Ushomirsky, J. Varey, D. Woods. 3.5-m f/1 reflector + CCD.
G52 Stone Edge Observatory, El Verano. Observers V. L. Hoette, R. Treffers.
Measurers V. L. . Hoette, A. W. Puckett. 0.51-m f/8.1 Ritchey-Chretien
+ CCD.
G96 Mt. Lemmon Survey. Observer A. D. Grauer. Measurers E. J. Christensen,
D. C. Fuls, A. R. Gibbs, A. D. Grauer, R. E. Hill, J. A. Johnson,
R. A. Kowalski, S. M. Larson, R. G. Matheny, F. C. Shelly. 1.5-m
reflector + CCD.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 reflector + CCD.
K51 Osservatorio del Celado, Castello Tesino. Observers G. Favero, R. Furgoni.
Measurer R. Furgoni. 0.80-m f/4 reflector + CCD.
U54 Hume Observatory, Santa Rosa. Observers V. L. Hoette, K. McLin.
Measurers V. L. Hoette, A. W. Puckett. 0.36-m f/11 Schmidt-Cassegrain
+ CCD.
U69 iTelescope SRO Observatory, Auberry. Observer H. Sato. 0.61-m f/6.5
astrograph + CCD.
Z99 Clixby Observatory, Cleethorpes. Observer A. Mickleburgh. 0.36-m f/8
Schmidt-Cassegrain + CCD.
Orbital elements:
P/2015 W2 (Catalina)
T 2015 Oct. 2.96511 TT MPCW
q 2.6793317 (2000.0) P Q
n 0.05022064 Peri. 118.27181 +0.59273903 -0.78417614
a 7.2758074 Node 294.19720 +0.65026704 +0.60050386
e 0.6317478 Incl. 11.61547 +0.47519809 +0.15640622
P 19.6
From 90 observations 2015 Nov. 21-29.
Ephemeris:
P/2015 W2 (Catalina)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2015 10 30 04 43 15.4 +36 03 55 1.8522 2.6888 139.9 13.8 15.6
...
2015 11 14 04 38 01.7 +35 45 35 1.7757 2.7022 154.4 9.1 15.6
...
2015 11 22 04 33 31.5 +35 20 45 1.7563 2.7116 161.6 6.6 15.6
...
2015 11 28 04 29 45.8 +34 55 23 1.7525 2.7197 165.8 5.1 15.6
2015 11 29 04 29 07.4 +34 50 38 1.7528 2.7212 166.3 4.9 15.6
2015 11 30 04 28 29.0 +34 45 44 1.7534 2.7226 166.7 4.8 15.6
...
2015 12 06 04 24 41.1 +34 13 36 1.7624 2.7319 167.1 4.6 15.6
...
2015 12 14 04 20 03.2 +33 24 44 1.7896 2.7456 162.8 6.1 15.7
...
2015 12 29 04 14 14.6 +31 44 19 1.8856 2.7753 149.0 10.5 15.8
Gareth V. Williams (C) Copyright 2015 MPC M.P.E.C. 2015-W73
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