MPEC 2005-N73 : COMET C/2005 N4 (CATALINA)
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M.P.E.C. 2005-N73 Issued 2005 July 14, 15:10 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 C/2005 N4 (CATALINA)
Observations:
CK05N040 C2005 07 06.27588 16 56 42.46 +33 40 50.2 19.1 N EN073703
CK05N040 C2005 07 06.28241 16 56 40.92 +33 40 35.0 19.5 N EN073703
CK05N040 C2005 07 06.28891 16 56 39.48 +33 40 19.4 19.1 N EN073703
CK05N040 C2005 07 06.29544 16 56 37.96 +33 40 04.1 19.0 N EN073703
CK05N040 C2005 07 06.32466 16 56 31.23 +33 38 53.9 19.2 N EN073703
CK05N040 C2005 07 06.32877 16 56 30.22 +33 38 44.0 19.0 N EN073703
CK05N040 C2005 07 06.33291 16 56 29.25 +33 38 34.3 19.2 N EN073703
CK05N040 C2005 07 06.33707 16 56 28.24 +33 38 22.7 18.9 N EN073703
CK05N040 C2005 07 06.49968 16 55 51.48 +33 32 03.3 19.1 N EN073413
CK05N040 C2005 07 06.50103 16 55 51.19 +33 32 00.4 19.2 N EN073413
CK05N040 C2005 07 06.94808 16 54 09.95 +33 14 07.2 EN073J95
CK05N040 C2005 07 06.96122 16 54 06.99 +33 13 35.7 EN073J95
CK05N040 C2005 07 06.96421 16 54 06.28 +33 13 28.2 19.6 T EN073J95
CK05N040 C2005 07 07.15285 16 53 24.08 +33 05 56.9 19.2 N EN073649
CK05N040 C2005 07 07.15462 16 53 23.68 +33 05 52.7 19.3 N EN073649
CK05N040 C2005 07 07.15640 16 53 23.30 +33 05 48.3 19.1 N EN073649
CK05N040 C2005 07 07.15817 16 53 22.88 +33 05 43.9 19.4 N EN073649
CK05N040 C2005 07 07.20449 16 53 12.50 +33 03 52.9 19.6 N EN073448
CK05N040 C2005 07 07.20898 16 53 11.46 +33 03 41.5 19.1 N EN073734
CK05N040 C2005 07 07.20976 16 53 11.17 +33 03 39.3 18.9 N EN073734
CK05N040 C2005 07 07.21053 16 53 11.04 +33 03 37.8 19.0 N EN073734
CK05N040 C2005 07 07.21131 16 53 10.92 +33 03 36.2 19.0 N EN073734
CK05N040 C2005 07 07.21208 16 53 10.69 +33 03 34.3 19.3 N EN073734
CK05N040 C2005 07 07.22256 16 53 08.37 +33 03 09.7 19.0 N EN073448
CK05N040 C2005 07 07.23674 16 53 05.22 +33 02 35.6 19.3 N EN073448
CK05N040 C2005 07 07.25942 16 53 00.09 +33 01 40.4 19.1 N EN073703
CK05N040 C2005 07 07.26392 16 52 59.08 +33 01 30.2 19.4 N EN073703
CK05N040 C2005 07 07.26654 16 52 58.58 +33 01 23.9 19.0 N EN073854
CK05N040 C2005 07 07.26846 16 52 58.00 +33 01 18.3 19.1 N EN073703
CK05N040 C2005 07 07.26941 16 52 57.90 +33 01 17.0 18.8 N EN073854
CK05N040 C2005 07 07.27229 16 52 57.20 +33 01 10.1 18.8 N EN073854
CK05N040 C2005 07 07.27298 16 52 57.00 +33 01 08.2 19.3 N EN073703
CK05N040 C2005 07 07.29375 16 52 52.47 +33 00 18.4 19.5 N EN073673
CK05N040 C2005 07 07.30185 16 52 50.66 +32 59 59.1 EN073673
CK05N040 C2005 07 07.30683 16 52 49.50 +32 59 46.8 EN073673
CK05N040 C2005 07 07.31007 16 52 48.78 +32 59 38.7 EN073673
CK05N040 C2005 07 07.46545 16 52 14.06 +32 53 24.6 EN073F65
CK05N040 C2005 07 07.46624 16 52 13.88 +32 53 22.3 EN073F65
CK05N040 C2005 07 07.46706 16 52 13.72 +32 53 20.5 EN073F65
CK05N040 C2005 07 08.16041 16 49 41.38 +32 25 15.9 19.1 N EN073734
CK05N040 C2005 07 08.16186 16 49 40.98 +32 25 12.1 19.5 N EN073734
CK05N040 C2005 07 08.16333 16 49 40.67 +32 25 08.6 19.5 N EN073734
CK05N040 C2005 07 08.23113 16 49 25.97 +32 22 23.7 19.3 N EN073673
CK05N040 C2005 07 08.23981 16 49 24.11 +32 22 03.2 EN073673
CK05N040 C2005 07 08.24352 16 49 23.29 +32 21 53.7 EN073673
CK05N040 C2005 07 08.24676 16 49 22.58 +32 21 46.0 EN073673
CK05N040 C2005 07 08.84203 16 47 13.95 +31 57 24.3 18.8 N EN073A50
CK05N040 C2005 07 08.84495 16 47 13.35 +31 57 16.1 19.1 N EN073A50
CK05N040 C2005 07 08.84641 16 47 13.11 +31 57 13.7 18.9 N EN073A50
CK05N040 C2005 07 08.84787 16 47 12.76 +31 57 09.6 19.2 N EN073A50
CK05N040 C2005 07 08.84934 16 47 12.48 +31 57 05.1 19.0 N EN073A50
CK05N040 C2005 07 08.85080 16 47 12.13 +31 57 02.1 19.1 N EN073A50
CK05N040 C2005 07 08.90362 16 47 00.88 +31 54 52.7 19.9 N EN073J87
CK05N040 C2005 07 08.91324 16 46 58.82 +31 54 29.4 19.8 N EN073J87
CK05N040 C2005 07 08.92285 16 46 56.75 +31 54 05.1 19.8 N EN073J87
CK05N040 C2005 07 08.93677 16 46 53.75 +31 53 30.2 EN073J95
CK05N040 C2005 07 08.94129 16 46 52.82 +31 53 18.5 EN073J95
CK05N040 C2005 07 08.94568 16 46 51.82 +31 53 08.0 19.6 T EN073J95
CK05N040 C2005 07 09.15944 16 46 06.32 +31 44 21.7 19.7 N EN073734
CK05N040 C2005 07 09.17269 16 46 03.53 +31 43 48.7 19.3 N EN073734
CK05N040 C2005 07 09.17709 16 46 02.54 +31 43 37.8 19.8 N EN073734
CK05N040 C2005 07 09.20949 16 45 55.81 +31 42 18.6 19.3 N EN073673
CK05N040 C2005 07 09.21273 16 45 55.16 +31 42 10.9 EN073673
CK05N040 C2005 07 09.21863 16 45 53.91 +31 41 56.3 EN073673
CK05N040 C2005 07 09.22278 16 45 52.92 +31 41 45.3 19.3 N EN073703
CK05N040 C2005 07 09.23068 16 45 51.04 +31 41 25.6 18.4 N EN073703
CK05N040 C2005 07 09.23853 16 45 49.50 +31 41 06.9 19.4 N EN073703
CK05N040 C2005 07 09.24642 16 45 47.84 +31 40 47.0 19.1 N EN073703
CK05N040 C2005 07 10.00386 16 43 09.00 +31 09 21.8 EN073J95
CK05N040 C2005 07 10.00942 16 43 07.76 +31 09 07.5 EN073J95
CK05N040 C2005 07 10.01753 16 43 06.12 +31 08 47.2 19.5 N EN073J95
CK05N040 C2005 07 10.17746 16 42 33.16 +31 02 09.7 19.7 N EN073734
CK05N040 C2005 07 10.18040 16 42 32.57 +31 02 01.8 19.4 N EN073734
CK05N040 C2005 07 10.18334 16 42 31.98 +31 01 54.1 19.5 N EN073734
CK05N040 C2005 07 10.18535 16 42 31.60 +31 01 49.8 19.4 N EN073703
CK05N040 C2005 07 10.18628 16 42 31.35 +31 01 46.4 19.0 N EN073734
CK05N040 C2005 07 10.19031 16 42 30.52 +31 01 37.1 19.2 N EN073703
CK05N040 C2005 07 10.19530 16 42 29.52 +31 01 25.0 19.2 N EN073703
CK05N040 C2005 07 10.19775 16 42 29.07 +31 01 19.3 19.7 N EN073651
CK05N040 C2005 07 10.20029 16 42 28.47 +31 01 12.7 19.1 N EN073703
CK05N040 C2005 07 10.20553 16 42 27.54 +31 01 00.6 19.6 N EN073651
CK05N040 C2005 07 10.20776 16 42 26.97 +31 00 54.0 19.7 N EN073651
CK05N040 C2005 07 10.20887 16 42 26.71 +31 00 51.6 19.5 N EN073651
CK05N040 C2005 07 10.26667 16 42 14.87 +30 58 28.3 19.5 N EN073673
CK05N040 C2005 07 10.27072 16 42 13.95 +30 58 17.3 EN073673
CK05N040 C2005 07 10.27778 16 42 12.53 +30 57 59.8 EN073673
CK05N040 C2005 07 10.28576 16 42 10.91 +30 57 40.0 EN073673
CK05N040 C2005 07 10.97082 16 39 51.18 +30 28 55.4 EN073J95
CK05N040 C2005 07 11.00185 16 39 44.89 +30 27 36.8 19.4 N EN073J95
CK05N040 C2005 07 11.17359 16 39 10.68 +30 20 26.3 19.5 N EN073673
CK05N040 C2005 07 11.17993 16 39 09.25 +30 20 09.5 19.3 N EN073G96
CK05N040 C2005 07 11.18206 16 39 08.85 +30 20 03.3 EN073673
CK05N040 C2005 07 11.19414 16 39 06.37 +30 19 33.5 19.3 N EN073G96
CK05N040 C2005 07 11.20125 16 39 04.93 +30 19 15.9 19.0 N EN073G96
CK05N040 C2005 07 11.20359 16 39 04.50 +30 19 09.6 EN073673
CK05N040 C2005 07 11.21208 16 39 02.73 +30 18 48.2 19.3 N EN073G96
CK05N040 C2005 07 11.21298 16 39 02.55 +30 18 46.0 19.3 N EN073G96
CK05N040 C2005 07 11.21385 16 39 02.37 +30 18 43.8 19.3 N EN073G96
CK05N040 C2005 07 11.21473 16 39 02.19 +30 18 41.5 19.3 N EN073G96
CK05N040 C2005 07 11.21926 16 39 01.29 +30 18 30.0 19.4 N EN073G96
CK05N040 C2005 07 11.22015 16 39 01.11 +30 18 27.7 19.2 N EN073G96
CK05N040 C2005 07 11.22103 16 39 00.93 +30 18 25.5 19.2 N EN073G96
CK05N040 C2005 07 11.22191 16 39 00.79 +30 18 23.5 19.2 N EN073G96
CK05N040 C2005 07 11.22375 16 39 00.39 +30 18 18.7 19.2 N EN073G96
CK05N040 C2005 07 11.22463 16 39 00.21 +30 18 16.4 19.3 N EN073G96
CK05N040 C2005 07 11.22552 16 39 00.03 +30 18 14.1 19.3 N EN073G96
CK05N040 C2005 07 11.22640 16 38 59.85 +30 18 12.0 19.4 N EN073G96
CK05N040 C2005 07 11.24919 16 38 55.28 +30 17 14.5 19.0 N EN073703
CK05N040 C2005 07 11.25627 16 38 53.80 +30 16 56.2 19.6 N EN073703
CK05N040 C2005 07 11.26336 16 38 52.36 +30 16 39.5 19.3 N EN073703
CK05N040 C2005 07 11.27039 16 38 51.00 +30 16 21.2 18.9 N EN073703
CK05N040 C2005 07 11.28813 16 38 47.21 +30 15 33.3 EN073734
CK05N040 C2005 07 11.29255 16 38 46.46 +30 15 23.4 19.0 N EN073734
CK05N040 C2005 07 11.97379 16 36 31.74 +29 46 36.3 EN073952
CK05N040 C2005 07 11.97972 16 36 30.51 +29 46 20.7 19.7 N EN073952
CK05N040 C2005 07 11.98565 16 36 29.35 +29 46 05.8 19.8 N EN073952
CK05N040 C2005 07 12.22000 16 35 43.58 +29 36 08.9 19.4 N EN073932
CK05N040 C2005 07 12.22843 16 35 41.94 +29 35 47.1 19.5 N EN073932
CK05N040 C2005 07 12.23452 16 35 40.77 +29 35 31.6 19.3 N EN073932
CK05N040 C2005 07 12.28345 16 35 31.36 +29 33 28.4 19.0 N EN073673
CK05N040 C2005 07 12.28542 16 35 30.99 +29 33 23.7 EN073673
CK05N040 C2005 07 12.29537 16 35 29.04 +29 32 58.2 EN073673
CK05N040 C2005 07 12.29734 16 35 28.64 +29 32 53.0 EN073673
CK05N040 C2005 07 12.30775 16 35 26.55 +29 32 26.0 EN073673
CK05N040 C2005 07 12.30984 16 35 26.29 +29 32 21.1 EN073673
CK05N040 C2005 07 13.17894 16 32 40.06 +28 55 19.1 19.0 N EN073673
CK05N040 C2005 07 13.18125 16 32 39.63 +28 55 13.3 EN073673
CK05N040 C2005 07 13.18912 16 32 38.09 +28 54 53.0 EN073673
CK05N040 C2005 07 13.19120 16 32 37.67 +28 54 46.9 EN073673
CK05N040 C2005 07 13.19955 16 32 36.20 +28 54 26.6 EN073673
CK05N040 C2005 07 13.20208 16 32 35.67 +28 54 20.3 EN073673
CK05N040 C2005 07 13.24100 16 32 28.23 +28 52 39.7 EN073671
CK05N040 C2005 07 13.24329 16 32 27.80 +28 52 34.6 EN073671
CK05N040 C2005 07 13.24510 16 32 27.44 +28 52 29.5 EN073671
CK05N040 C2005 07 13.24858 16 32 26.76 +28 52 20.8 EN073671
CK05N040 C2005 07 13.25035 16 32 26.42 +28 52 16.1 EN073671
CK05N040 C2005 07 13.25238 16 32 26.06 +28 52 10.4 EN073671
CK05N040 C2005 07 13.86946 16 30 30.74 +28 25 44.2 19.8 N EN073147
CK05N040 C2005 07 13.87155 16 30 30.35 +28 25 38.8 EN073147
CK05N040 C2005 07 13.88131 16 30 28.64 +28 25 13.4 19.4 N EN073147
CK05N040 C2005 07 14.18502 16 29 32.88 +28 12 11.8 EN073734
CK05N040 C2005 07 14.19238 16 29 31.36 +28 11 53.5 20.0 N EN073734
CK05N040 C2005 07 14.19973 16 29 30.04 +28 11 34.2 19.7 N EN073734
CK05N040 C2005 07 14.24329 16 29 22.04 +28 09 40.6 19.0 T EN073673
CK05N040 C2005 07 14.25220 16 29 20.47 +28 09 19.7 EN073673
CK05N040 C2005 07 14.25567 16 29 19.87 +28 09 11.3 EN073673
CK05N040 C2005 07 14.26863 16 29 17.50 +28 08 38.4 EN073673
CK05N040 C2005 07 14.27199 16 29 16.85 +28 08 29.3 EN073673
Observer details:
147 Osservatorio Astronomico di Suno. Observers D. Crespi, S. Foglia,
G. Galli, S. Minuto, V. Sacco. Measurers S. Foglia, S. Minuto. 0.40-m
f/4 reflector + CCD.
413 Siding Spring. Observer R. H. McNaught. 1.0-m f/8 reflector + CCD.
448 Desert Moon Observatory. Observer B. L. Stevens. 0.3-m
Schmidt-Cassegrain + CCD.
649 Powell Observatory, Louisburg. Observers R. Trentman, R. Fredrick.
0.75-m Newtonian reflector + CCD.
651 Grasslands Observatory, Tucson. Observer J. E. McGaha. 0.62-m f/5.1
Newtonian reflector + CCD.
671 Stony Ridge. Observer S. C. Brewster. 0.76-m f/6 Newtonian reflector
+ CCD.
673 Table Mountain Observatory, Wrightwood. Observers J. Young, D. Mayes.
0.6-m reflector + CCD.
703 Catalina Sky Survey. Observers A. Odell, C. O'Hara. Measurers
E. C. Beshore, C. M. Casey, E. J. Christensen, G. J. Garradd, A. D. Grauer,
R. E. Hill, S. M. Larson, R. H. McNaught. 0.68-m Schmidt + CCD.
734 Farpoint Observatory. Observers G. Hug, B. Martin, D. Tibbets,
J. Burgardt. Measurers G. Hug, W. Leifer, D. Tibbets, B. Martin. 0.7-m
reflector + CCD.
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.36-m f/10.0
Schmidt-Cassegrain + CCD.
932 John J. McCarthy Obs., New Milford. Observers J. Reynolds, M. Robson.
0.4-m f/6.5 Schmidt-Cassegrain + CCD.
952 Marxuquera. Observer J. J. Gomez. 0.36-m f/6.3 Schmidt-Cassegrain + CCD.
A50 Andrushivka Astronomical Observatory. Observers D. Kyrylenko,
Y. Ivashchenko. 0.6-m f/2.0 reflector + CCD.
F65 Haleakala-Faulkes Telescope North. Observers A. Fitzsimmons, S. C. Lowry,
C. Snodgrass. 2.0-m f/10.0 reflector + CCD.
G96 Mt. Lemmon Survey. Observer S. M. Larson. Measurers E. C. Beshore,
C. M. Casey, E. J. Christensen, G. J. Garradd, A. D. Grauer, R. E. Hill,
S. M. Larson, R. H. McNaught. 1.5-m reflector + CCD.
J87 La Canada. Observer J. Lacruz. 0.30-m Schmidt-Cassegrain + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
C/2005 N4 (Catalina)
T 2005 July 2.622 TT MPC
q 2.31107 (2000.0) P Q
Peri. 136.426 -0.041194 -0.596166
Node 63.847 -0.966877 -0.178529
e 1.0 Incl. 116.715 +0.251897 -0.782760
From 144 observations 2005 July 6-14.
Ephemeris:
C/2005 N4 (Catalina)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2005 07 09 16 46.67 +31 51.0 1.685 2.312 115.5 23.4 18.8
2005 07 19 16 15.94 +24 44.4 1.763 2.318 110.2 24.3 18.9
2005 07 29 15 54.09 +17 42.1 1.891 2.330 102.4 25.2 19.1
2005 08 08 15 39.43 +11 16.9 2.058 2.347 93.4 25.5 19.3
2005 08 18 15 30.21 +05 39.6 2.250 2.370 84.0 25.1 19.5
2005 08 28 15 25.04 +00 48.6 2.455 2.397 74.8 24.0 19.7
2005 09 07 15 22.88 -03 22.9 2.664 2.429 65.7 22.2 20.0
2005 09 17 15 22.98 -07 02.4 2.868 2.466 56.8 19.9 20.2
2005 09 27 15 24.78 -10 16.6 3.063 2.506 48.1 17.3 20.4
Brian G. Marsden (C) Copyright 2005 MPC M.P.E.C. 2005-N73
Read MPEC 2005-N72
Read MPEC 2005-N74
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