MPEC 1999-Y28 : COMET C/1999 Y1 (LINEAR)
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Read MPEC 1999-Y27
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M.P.E.C. 1999-Y28 Issued 1999 Dec. 27, 19:28 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
BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
COMET C/1999 Y1 (LINEAR)
Observations:
CJ99Y010 C1999 12 20.22291 03 47 47.39 +73 27 48.0 17.5 N 704
CJ99Y010 C1999 12 20.23836 03 47 43.66 +73 27 40.6 17.8 N 704
CJ99Y010 C1999 12 20.25352 03 47 40.15 +73 27 32.7 18.2 N 704
CJ99Y010 C1999 12 20.26879 03 47 36.54 +73 27 23.7 18.0 N 704
CJ99Y010 C1999 12 20.28362 03 47 32.98 +73 27 16.3 17.7 N 704
CJ99Y010 C1999 12 21.61326 03 42 29.86 +73 14 02.4 16.9 T 900
CJ99Y010 C1999 12 21.62868 03 42 26.40 +73 13 52.1 900
CJ99Y010 C1999 12 21.73458 03 42 03.30 +73 12 45.9 16.2 T 046
CJ99Y010 C1999 12 21.73720 03 42 02.69 +73 12 45.0 046
CJ99Y010 C1999 12 21.74013 03 42 01.98 +73 12 42.8 046
CJ99Y010 C1999 12 21.74228 03 42 01.45 +73 12 41.5 046
CJ99Y010 C1999 12 21.74421 03 42 01.08 +73 12 40.2 046
CJ99Y010 C1999 12 21.89279 03 41 27.79 +73 11 10.1 17.3 T 595
CJ99Y010 C1999 12 21.89556 03 41 27.17 +73 11 08.5 595
CJ99Y010 C1999 12 21.89836 03 41 26.54 +73 11 06.0 595
CJ99Y010 C1999 12 21.90110 03 41 25.88 +73 11 04.0 595
CJ99Y010 C1999 12 21.90669 03 41 24.46 +73 11 01.8 595
CJ99Y010 C1999 12 21.92890 03 41 19.69 +73 10 46.5 16 T 118
CJ99Y010 C1999 12 21.93315 03 41 18.65 +73 10 43.9 118
CJ99Y010 C1999 12 21.93670 03 41 17.98 +73 10 42.2 118
CJ99Y010 C1999 12 22.07917 03 40 46.25 +73 09 12.7 611
CJ99Y010 C1999 12 22.08472 03 40 44.91 +73 09 08.6 611
CJ99Y010 C1999 12 22.08854 03 40 44.26 +73 09 06.6 611
CJ99Y010 C1999 12 22.61043 03 38 49.35 +73 03 38.8 16.7 T 900
CJ99Y010 C1999 12 22.62322 03 38 46.59 +73 03 30.8 900
CJ99Y010 C1999 12 22.77468 03 38 13.93 +73 01 53.0 16.3 T 046
CJ99Y010 C1999 12 22.77704 03 38 13.49 +73 01 51.9 046
CJ99Y010 C1999 12 22.77970 03 38 12.91 +73 01 50.0 046
CJ99Y010 C1999 12 22.78196 03 38 12.39 +73 01 48.7 046
CJ99Y010 C1999 12 22.78486 03 38 11.73 +73 01 47.3 046
CJ99Y010 C1999 12 22.90942 03 37 44.44 +73 00 27.0 118
CJ99Y010 C1999 12 22.91279 03 37 43.69 +73 00 24.8 118
CJ99Y010 C1999 12 22.91667 03 37 42.82 +73 00 22.1 17 T 118
CJ99Y010 C1999 12 23.08554 03 37 06.89 +72 58 33.1 17.3 T 652
CJ99Y010 C1999 12 23.08898 03 37 06.27 +72 58 32.0 17.5 T 652
CJ99Y010 C1999 12 23.09013 03 37 05.89 +72 58 30.7 17.2 T 652
CJ99Y010 C1999 12 23.10015 03 37 04.34 +72 58 24.3 17.1 T 652
CJ99Y010 C1999 12 23.10832 03 37 02.31 +72 58 18.9 17.4 T 652
CJ99Y010 C1999 12 23.16926 03 36 48.52 +72 57 39.0 16.0 T 681
CJ99Y010 C1999 12 23.17574 03 36 47.17 +72 57 35.2 16.0 T 681
CJ99Y010 C1999 12 23.18345 03 36 45.55 +72 57 29.8 16.1 T 681
CJ99Y010 C1999 12 23.56068 03 35 24.58 +72 53 23.1 900
CJ99Y010 C1999 12 23.56972 03 35 22.68 +72 53 17.6 16.3 T 900
CJ99Y010 C1999 12 24.02914 03 33 45.84 +72 48 11.8 17.3 T 726
CJ99Y010 C1999 12 24.03609 03 33 44.53 +72 48 07.8 17.3 T 726
CJ99Y010 C1999 12 24.03956 03 33 43.86 +72 48 03.8 17.2 T 726
CJ99Y010 C1999 12 24.04303 03 33 42.90 +72 48 02.8 17.3 T 726
CJ99Y010 C1999 12 24.04649 03 33 42.16 +72 47 59.9 17.3 T 726
CJ99Y010 C1999 12 24.05564 03 33 40.55 +72 47 54.4 17.7 T 726
CJ99Y010 C1999 12 24.06258 03 33 38.87 +72 47 49.6 17.3 T 726
CJ99Y010 C1999 12 24.06550 03 33 38.35 +72 47 45.9 17.3 T 652
CJ99Y010 C1999 12 24.06719 03 33 38.08 +72 47 45.8 16.7 T 652
CJ99Y010 C1999 12 24.06865 03 33 37.51 +72 47 44.7 17.1 T 652
CJ99Y010 C1999 12 24.06952 03 33 37.32 +72 47 44.0 17.1 T 726
CJ99Y010 C1999 12 24.07646 03 33 35.87 +72 47 39.6 17.1 T 726
CJ99Y010 C1999 12 24.52323 03 32 02.33 +72 42 39.8 16.6 T 900
CJ99Y010 C1999 12 24.53604 03 31 59.64 +72 42 30.7 900
CJ99Y010 C1999 12 25.56219 03 28 30.20 +72 30 41.9 16.7 T 900
CJ99Y010 C1999 12 25.57330 03 28 28.20 +72 30 33.1 900
CJ99Y010 C1999 12 25.58578 03 28 25.43 +72 30 24.3 355
CJ99Y010 C1999 12 25.58917 03 28 24.72 +72 30 22.1 355
CJ99Y010 C1999 12 25.59262 03 28 24.08 +72 30 20.1 355
CJ99Y010 C1999 12 26.04153 03 26 54.82 +72 25 01.7 17.2 T 726
CJ99Y010 C1999 12 26.04500 03 26 54.12 +72 24 59.8 17.5 T 726
CJ99Y010 C1999 12 26.04847 03 26 53.44 +72 24 56.4 17.1 T 726
CJ99Y010 C1999 12 26.05194 03 26 52.67 +72 24 54.5 17.1 T 726
CJ99Y010 C1999 12 26.05542 03 26 52.11 +72 24 52.0 17.3 T 726
CJ99Y010 C1999 12 26.05888 03 26 51.22 +72 24 49.3 17.2 T 726
CJ99Y010 C1999 12 26.06513 03 26 50.03 +72 24 45.5 17.1 T 726
CJ99Y010 C1999 12 26.07207 03 26 48.66 +72 24 40.1 17.2 T 726
CJ99Y010 C1999 12 26.07902 03 26 47.28 +72 24 35.4 17.1 T 726
CJ99Y010 C1999 12 26.08596 03 26 45.98 +72 24 30.8 17.2 T 726
CJ99Y010 C1999 12 26.09291 03 26 44.59 +72 24 25.5 17.1 T 726
CJ99Y010 C1999 12 26.09985 03 26 43.30 +72 24 20.4 17.2 T 726
CJ99Y010 C1999 12 26.64057 03 24 56.76 +72 17 51.6 16.9 T 897
CJ99Y010 C1999 12 26.65447 03 24 53.97 +72 17 41.4 897
CJ99Y010 C1999 12 26.68563 03 24 47.91 +72 17 19.1 897
CJ99Y010 C1999 12 27.10696 03 23 26.97 +72 12 11.9 15.8 N 681
CJ99Y010 C1999 12 27.11695 03 23 25.02 +72 12 04.1 16.0 N 681
CJ99Y010 C1999 12 27.12616 03 23 23.21 +72 11 57.6 15.9 N 681
CJ99Y010 C1999 12 27.44236 03 22 22.94 +72 08 05.2 16.4 T 360
CJ99Y010 C1999 12 27.44479 03 22 22.46 +72 08 03.4 360
CJ99Y010 C1999 12 27.44526 03 22 22.37 +72 08 03.7 348
CJ99Y010 C1999 12 27.44722 03 22 21.95 +72 08 01.8 360
CJ99Y010 C1999 12 27.45990 03 22 19.48 +72 07 52.2 348
CJ99Y010 C1999 12 27.48854 03 22 14.19 +72 07 31.3 16.7 T 367
CJ99Y010 C1999 12 27.49167 03 22 13.57 +72 07 29.1 367
CJ99Y010 C1999 12 27.49479 03 22 12.92 +72 07 26.5 367
CJ99Y010 C1999 12 27.49792 03 22 12.31 +72 07 24.8 367
CJ99Y010 C1999 12 27.50444 03 22 11.05 +72 07 19.7 897
CJ99Y010 C1999 12 27.52141 03 22 07.71 +72 07 07.0 897
CJ99Y010 C1999 12 27.52164 03 22 07.70 +72 07 07.3 17.0 T 348
CJ99Y010 C1999 12 27.53148 03 22 05.83 +72 06 59.0 16.8 T 897
CJ99Y010 C1999 12 27.55125 03 22 02.08 +72 06 44.9 16.9 T 402
CJ99Y010 C1999 12 27.55251 03 22 01.78 +72 06 44.2 402
CJ99Y010 C1999 12 27.55377 03 22 01.57 +72 06 42.9 402
CJ99Y010 C1999 12 27.55503 03 22 01.36 +72 06 42.2 402
CJ99Y010 C1999 12 27.58050 03 21 56.64 +72 06 22.8 903
CJ99Y010 C1999 12 27.58581 03 21 55.87 +72 06 19.5 16.7 T 903
Observer details:
046 Klet. Observer Z. Moravec. 0.57-m f/5.2 reflector + CCD.
118 Modra. Observers A. Galad, P. Koleny. 0.6-m f/5.5 reflector + CCD.
348 Ayabe. Observer N. Otuki. 0.28-m f/5.5 Schmidt-Cassegrain + CCD. Long. &
Parallax: 135.2669, 0.81698, +0.57475.
355 Hadano. Observer A. Asami. 0.28-m f/5.0 reflector + CCD.
360 Kuma Kogen. Observer A. Nakamura. 0.60-m f/6.0 Ritchey-Chretien + CCD.
367 Yatsuka. Observer H. Abe. 0.26-m f/6.0 reflector + CCD.
402 Dynic Astronomical Observatory. Observer A. Sugie. 0.60-m f/3.7 reflector
+ CCD.
595 Farra d'Isonzo. Observers G. Lombardi, A. Toso, A. Olivieri, E. Pettarin.
0.40-m f/4.5 reflector + CCD.
611 Starkenburg. Observers R. Stoss, P. Geffert. 0.45-m f/4.4 reflector + CCD.
652 Rock Finder Observatory, Calgary. Observer B. Yeung. 0.35-m f/7 Schmidt
+ CCD.
681 Calgary. Observer G. W. Billings. 0.36-m f/7 Schmidt-Cassegrain + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly,
M. Bezpalko, M. Elowitz, R. Huber. Measurers J. Stuart, H. Viggh,
R. Sayer, J. B. Evans. 1.0-m f/2.15 reflector + CCD.
726 Brainerd. Observer J. Wentworth. 0.28-m Schmidt-Cassegrain + CCD.
897 Chiyoda. Observer T. Kojima. 0.25-m f/6.0 reflector + CCD.
900 Moriyama. Observer Y. Ikari. 0.25-m f/6.3 reflector + CCD.
903 Fukuchiyama. Observer M. Yoshimi. 0.25-m f/6.3 Schmidt-Cassegrain + CCD.
Orbital elements:
C/1999 Y1 (LINEAR)
T 2001 Mar. 23.7977 TT Williams
q 3.199812 (2000.0) P Q
Peri. 181.8450 +0.9918814 +0.0722085
Node 188.4897 +0.1238578 -0.3620300
e 1.0 Incl. 134.8434 +0.0288175 -0.9293655
From 97 observations 1999 Dec. 20-27.
Ephemeris:
C/1999 Y1 (LINEAR)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
1999 12 18 03 56.6 +73 48.1 4.622 5.281 127.7 8.5 16.1
1999 12 28 03 20.6 +72 01.2 4.589 5.215 124.9 8.9 16.0
2000 01 07 02 54.40 +69 43.6 4.586 5.149 120.0 9.5 15.9
2000 01 17 02 36.87 +67 10.8 4.610 5.083 113.5 10.2 15.9
2000 01 27 02 26.12 +64 35.2 4.658 5.018 105.9 10.9 15.8
2000 02 06 02 20.39 +62 05.3 4.723 4.952 97.7 11.4 15.8
2000 02 16 02 18.33 +59 46.5 4.799 4.887 89.3 11.7 15.8
2000 02 26 02 18.92 +57 41.8 4.881 4.823 80.8 11.7 15.8
2000 03 07 02 21.45 +55 52.4 4.963 4.759 72.5 11.5 15.8
2000 03 17 02 25.40 +54 18.4 5.039 4.695 64.4 11.0 15.7
2000 03 27 02 30.37 +52 59.2 5.105 4.632 56.7 10.4 15.7
2000 04 06 02 36.08 +51 53.6 5.156 4.570 49.5 9.6 15.7
2000 04 16 02 42.26 +51 00.5 5.190 4.508 43.0 8.7 15.6
2000 04 26 02 48.73 +50 18.5 5.203 4.446 37.4 7.9 15.6
2000 05 06 02 55.32 +49 46.4 5.195 4.386 33.2 7.2 15.5
2000 05 16 03 01.84 +49 23.2 5.162 4.325 30.9 6.9 15.4
Gareth V. Williams (C) Copyright 1999 MPC M.P.E.C. 1999-Y28
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- B01 (the abbreviated form)
