MPEC 2011-K56 : COMET P/2011 JB15 (SPACEWATCH-BOATTINI)
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M.P.E.C. 2011-K56 Issued 2011 May 31, 20:37 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 https://www.minorplanetcenter.net/ ISSN 1523-6714
COMET P/2011 JB15 (SPACEWATCH-BOATTINI)
Observations:
PK11J15B C2011 05 08.39074 16 17 11.93 +02 28 48.5 19.6 ToEK056691
PK11J15B C2011 05 08.41193 16 17 11.43 +02 28 51.8 19.8 ToEK056691
PK11J15B C2011 05 08.42969 16 17 10.98 +02 28 54.7 19.7 ToEK056691
PK11J15B C2011 05 12.38819 16 15 34.23 +02 39 07.3 19.8 ToEK056691
PK11J15B C2011 05 12.40589 16 15 33.79 +02 39 09.6 19.8 ToEK056691
PK11J15B C2011 05 12.42359 16 15 33.33 +02 39 12.2 20.0 ToEK056691
PK11J15B C2011 05 28.32572 16 08 33.61 +03 06 47.7 19.1 TrEK056G96
PK11J15B C2011 05 28.33325 16 08 33.43 +03 06 48.4 19.2 TrEK056G96
PK11J15B C2011 05 28.34068 16 08 33.18 +03 06 48.0 18.7 TrEK056G96
PK11J15B C2011 05 28.34818 16 08 33.00 +03 06 49.2 19.0 TrEK056G96
PK11J15B C2011 05 28.38096 16 08 31.99 +03 06 50.4 18.9 TrEK056G96
PK11J15B C2011 05 28.38189 16 08 31.99 +03 06 50.8 18.7 TrEK056G96
PK11J15B C2011 05 28.38281 16 08 31.98 +03 06 50.7 19.0 TrEK056G96
PK11J15B C2011 05 28.38374 16 08 31.95 +03 06 50.9 18.6 TrEK056G96
PK11J15B KC2011 05 28.84368 16 08 19.70 +03 07 17.4 18.4 TuEK056595
PK11J15B KC2011 05 28.85716 16 08 19.30 +03 07 17.7 18.1 TuEK056A81
PK11J15B KC2011 05 28.86945 16 08 19.06 +03 07 17.9 18.3 TuEK056A81
PK11J15B KC2011 05 28.88525 16 08 18.71 +03 07 18.1 18.6 TuEK056A81
PK11J15B KC2011 05 28.91480 16 08 17.78 +03 07 21.6 uEK056595
PK11J15B KC2011 05 29.26206 16 08 08.38 +03 07 41.2 18.5 TrEK056H10
PK11J15B KC2011 05 29.27549 16 08 08.06 +03 07 41.6 18.7 TrEK056H10
PK11J15B KC2011 05 29.28892 16 08 07.70 +03 07 42.2 18.4 TrEK056H10
PK11J15B C2011 05 29.31233 16 08 07.08 +03 07 43.3 18.9 TrEK056G96
PK11J15B C2011 05 29.32052 16 08 06.82 +03 07 43.8 18.8 TrEK056G96
PK11J15B C2011 05 29.32867 16 08 06.57 +03 07 44.1 19.1 TrEK056G96
PK11J15B C2011 05 29.33682 16 08 06.36 +03 07 44.6 19.1 TrEK056G96
PK11J15B C2011 05 29.38238 16 08 05.20 +03 07 47.5 19.8 TwEK056H10
PK11J15B C2011 05 29.39622 16 08 04.73 +03 07 48.3 20.0 TwEK056H10
PK11J15B C2011 05 29.40991 16 08 04.23 +03 07 48.9 19.8 TwEK056H10
PK11J15B |C2011 05 29.42869 16 08 03.75 +03 07 51.7 cEK056H06
PK11J15B |C2011 05 29.43437 16 08 03.60 +03 07 51.2 18.6 TcEK056H06
PK11J15B KC2011 05 29.85800 16 07 52.47 +03 08 11.7 19.3 TrEK056104
PK11J15B KC2011 05 29.86914 16 07 52.14 +03 08 12.6 19.4 TrEK056104
PK11J15B KC2011 05 29.96269 16 07 49.69 +03 08 17.6 19.2 ToEK056J04
PK11J15B KC2011 05 29.96530 16 07 49.63 +03 08 17.7 19.0 ToEK056J04
PK11J15B KC2011 05 29.96790 16 07 49.54 +03 08 18.1 19.0 ToEK056J04
PK11J15B KC2011 05 30.00223 16 07 48.57 +03 08 19.9 vEK056470
PK11J15B KC2011 05 30.01180 16 07 48.23 +03 08 18.6 vEK056204
PK11J15B KC2011 05 30.01751 16 07 48.11 +03 08 20.7 19.6 TvEK056470
PK11J15B KC2011 05 30.02211 16 07 47.99 +03 08 19.6 vEK056204
PK11J15B KC2011 05 30.03333 16 07 47.68 +03 08 20.4 19.1 TvEK056204
PK11J15B %C2011 05 30.29561 16 07 40.70 +03 08 34.8 18.3 TrEK056H06
PK11J15B |C2011 05 30.30317 16 07 40.50 +03 08 34.4 cEK056H06
PK11J15B |C2011 05 30.30697 16 07 40.38 +03 08 34.4 18.9 TcEK056H06
PK11J15B %C2011 05 30.30930 16 07 40.23 +03 08 34.4 19.1 TrEK056H06
PK11J15B KC2011 05 30.30998616 07 40.23 +03 08 33.9 18.8 TrEK056H21
PK11J15B KC2011 05 30.31491216 07 40.10 +03 08 34.4 19.0 TrEK056H21
PK11J15B KC2011 05 30.31620416 07 40.08 +03 08 34.6 19.2 TrEK056H21
PK11J15B KC2011 05 30.31993016 07 39.96 +03 08 34.6 19.2 TrEK056H21
PK11J15B %C2011 05 30.32299 16 07 39.89 +03 08 35.6 18.7 TrEK056H06
PK11J15B KC2011 05 30.34514616 07 39.29 +03 08 35.8 19.3 TrEK056H21
PK11J15B KC2011 05 30.35771816 07 38.94 +03 08 36.8 19.1 TrEK056H21
PK11J15B KC2011 05 30.37032116 07 38.60 +03 08 37.1 19.0 TrEK056H21
PK11J15B KC2011 05 30.84754 16 07 25.92 +03 08 57.9 18.8 TrEK056235
PK11J15B KC2011 05 30.85551 16 07 25.70 +03 08 58.4 19.0 TrEK056235
PK11J15B KC2011 05 30.86213 16 07 25.55 +03 08 59.4 18.7 TrEK056235
PK11J15B KC2011 05 30.96352 16 07 22.84 +03 09 04.5 vEK056470
PK11J15B KC2011 05 30.97538 16 07 22.54 +03 09 05.0 19.9 TvEK056470
PK11J15B KC2011 05 31.00948 16 07 21.53 +03 09 05.9 uEK056J95
PK11J15B KC2011 05 31.01437 16 07 21.47 +03 09 06.1 18.9 TuEK056J95
PK11J15B KC2011 05 31.15909316 07 17.61 +03 09 12.3 19.3 TrEK056H21
PK11J15B KC2011 05 31.16508316 07 17.46 +03 09 12.6 19.5 TrEK056H21
PK11J15B KC2011 05 31.16723916 07 17.38 +03 09 12.6 19.1 TrEK056H21
PK11J15B KC2011 05 31.17159416 07 17.28 +03 09 12.9 19.8 TrEK056H21
PK11J15B C2011 05 31.25358 16 07 15.12 +03 09 17.2 19.0 ToEK056H01
PK11J15B C2011 05 31.26233 16 07 14.89 +03 09 17.6 19.1 ToEK056H01
PK11J15B C2011 05 31.27611 16 07 14.51 +03 09 18.1 19.0 ToEK056H01
PK11J15B C2011 05 31.28200 16 07 14.35 +03 09 18.5 19.1 ToEK056H01
PK11J15B KC2011 05 31.31451 16 07 13.39 +03 09 19.2 18.9 TrEK056682
PK11J15B KC2011 05 31.36506 16 07 11.99 +03 09 21.0 19.0 TrEK056682
Observer details:
104 San Marcello Pistoiese. Observers L. Tesi, P. Bacci, G. Fagioli,
M. Garozzo. Measurers P. Bacci, M. Garozzo. 0.60-m f/4 reflector + CCD.
204 Schiaparelli Observatory. Observer L. Buzzi. 0.60-m f/4.64 reflector
+ CCD.
235 CAST Observatory, Talmassons. Observer R. Ligustri. 0.35-m f/6 reflector
+ CCD.
470 Ceccano. Observers G. Masi, U. Masi, G. Luccone. Measurers G. Masi,
G. Luccone. 0.43-m f/6.8 reflector + CCD.
595 Farra d'Isonzo. Observer E. Pettarin. 0.40-m f/4.5 reflector + CCD.
682 Kanab. Observer E. Sheridan. 0.36-m f/11 Schmidt-Cassegrain + CCD + f/5
focal reducer.
691 Steward Observatory, Kitt Peak. Observers T. H. Bressi, R. S. McMillan.
0.9-m f/3 reflector + CCD.
A81 Balzaretto Observatory, Rome. Observer L. Franco. 0.20-m f/5.3 reflector
+ CCD.
G96 Mt. Lemmon Survey. Observer A. Boattini. Measurers J. D. Ahern,
E. C. Beshore, A. Boattini, G. J. Garradd, A. R. Gibbs, A. D. Grauer,
R. E. Hill, R. A. Kowalski, S. M. Larson, R. H. McNaught. 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.
H06 RAS Observatory, Mayhill. Observers H. Sato, E. Guido, G. Sostero.
0.25-m f/3.4 reflector + CCD, 0.50-m f/4.5 reflector + CCD.
H10 Tzec Maun Observatory, Mayhill. Observers S. Baroni, L. Buzzi, P. Concari,
S. Foglia, G. Galli, M. Tombelli, E. Bryssinck. 0.21-m f/7.87 refractor
+ CCD, 0.4-m f/9 Ritchey-Chretien + CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers S. Foglia, T. Vorobjov. 0.61-m f/4.0 astrograph + CCD, 0.76-m
f/6.65 Ritchey-Chretien + CCD, 0.81-m f/4.0 astrograph + CCD.
J04 ESA Optical Ground Station, Tenerife. Observers M. Busch, A. Knoefel,
D. Koschny, R. Kresken. 1.0-m f/4.4 reflector + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
P/2011 JB15 (Spacewatch-Boattini)
Epoch 2012 Feb. 3.0 TT = JDT 2455960.5
T 2012 Jan. 18.13697 TT MPC
q 5.0282286 (2000.0) P Q
n 0.04951591 Peri. 110.45932 -0.07704634 +0.98645881
a 7.3446795 Node 153.80575 -0.99245943 -0.06199528
e 0.3153917 Incl. 19.14759 -0.09533174 -0.15184068
P 19.90
From 70 observations 2011 May 8-May 31, mean residual 0".57.
Residuals in seconds of arc
110508 691 0.2- 0.1+ 110529 G96 0.5- 0.4- 110530 H21 0.2- 0.0
110508 691 0.1+ 0.1- 110529 G96 0.3- 0.4- 110530 H06 0.4- 0.6+
110508 691 0.1- 0.1- 110529 H10 1.3+ 0.1+ 110530 H21 0.1+ 0.0
110512 691 0.0 0.2+ 110529 H10 0.1- 0.2+ 110530 H21 0.0 0.4+
110512 691 0.2+ 0.1- 110529 H10 1.9- 0.1+ 110530 H21 0.0 0.1+
110512 691 0.1+ 0.0 110529 H06 1.4- 1.9+ 110530 235 0.7- 1.0-
110528 G96 0.4+ 0.1+ 110529 H06 1.4- 1.1+ 110530 235 0.7- 0.8-
110528 G96 0.8+ 0.3+ 110529 104 0.1- 0.1- 110530 235 0.3- 0.1-
110528 G96 0.2+ 0.5- 110529 104 0.4- 0.2+ 110530 470 0.7+ 0.4+
110528 G96 0.6+ 0.2+ 110529 J04 0.5+ 0.1+ 110530 470 1.0+ 0.4+
110528 G96 1.0- 0.5- 110529 J04 0.6+ 0.0 110531 J95 0.5- 0.0
110528 G96 0.6- 0.2- 110529 J04 0.4+ 0.3+ 110531 J95 0.6+ 0.0
110528 G96 0.4- 0.3- 110530 470 0.9+ 0.8+ 110531 H21 0.2- 0.4-
110528 G96 0.4- 0.2- 110530 204 0.4- 0.9- 110531 H21 0.0 0.3-
110528 595 0.4- 0.1+ 110530 470 0.3+ 0.8+ 110531 H21 0.3- 0.4-
110528 A81 0.9- 0.5- 110530 204 0.2+ 0.4- 110531 H21 0.0 0.3-
110528 A81 0.5+ 1.0- 110530 204 0.2+ 0.1- 110531 H01 0.7+ 0.4+
110528 A81 1.8+ 1.7- 110530 H06 0.5+ 1.1+ 110531 H01 0.8+ 0.4+
110528 595 0.1+ 0.2+ 110530 H06 0.6+ 0.3+ 110531 H01 0.8+ 0.3+
110529 H10 0.8- 0.3+ 110530 H06 0.3+ 0.2+ 110531 H01 0.8+ 0.5+
110529 H10 0.0 0.1- 110530 H06 0.9- 0.0 110531 682 0.4- 0.1-
110529 H10 0.2+ 0.2- 110530 H21 0.2- 0.3- 110531 682 0.6- 0.4-
110529 G96 0.4+ 0.4- 110530 H21 0.1- 0.0
110529 G96 0.1- 0.3- 110530 H21 0.1+ 0.1+
Ephemeris:
P/2011 JB15 (Spacewatch-Boattini)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2011 05 01 16 19 57.1 +02 06 48 4.2692 5.1522 148.1 5.9 19.3
...
2011 05 16 16 14 02.2 +02 47 22 4.2009 5.1387 155.6 4.7 19.2
...
2011 05 24 16 10 30.2 +03 01 36 4.1889 5.1318 156.2 4.6 19.2
...
2011 05 30 16 07 48.6 +03 08 20 4.1912 5.1268 154.8 4.8 19.2
2011 05 31 16 07 21.9 +03 09 07 4.1926 5.1259 154.5 4.9 19.2
2011 06 01 16 06 55.2 +03 09 48 4.1941 5.1251 154.1 5.0 19.2
...
2011 06 07 16 04 18.4 +03 11 44 4.2092 5.1203 151.0 5.5 19.2
...
2011 06 15 16 01 03.8 +03 08 37 4.2434 5.1139 145.6 6.4 19.2
...
2011 06 30 15 56 10.4 +02 45 50 4.3474 5.1027 133.7 8.3 19.3
Gareth V. Williams (C) Copyright 2011 MPC M.P.E.C. 2011-K56
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