MPEC 1999-T29: 1999 TZ4
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M.P.E.C. 1999-T29 Issued 1999 Oct. 7, 18:06 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.
BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
1999 TZ4
Observations:
J99T04Z* C1999 10 02.32603 01 53 16.75 +10 29 19.1 18.8 R 703
J99T04Z C1999 10 02.33843 01 53 14.05 +10 30 02.1 19.8 R 703
J99T04Z C1999 10 02.35073 01 53 11.57 +10 30 41.6 19.3 R 703
J99T04Z C1999 10 02.36303 01 53 08.92 +10 31 22.9 18.8 R 703
J99T04Z C1999 10 02.41771 01 52 57.21 +10 34 25.2 703
J99T04Z C1999 10 02.41920 01 52 57.04 +10 34 30.6 703
J99T04Z C1999 10 02.93938 01 51 10.07 +11 03 24.8 18.6 R 046
J99T04Z C1999 10 02.94120 01 51 09.68 +11 03 31.1 046
J99T04Z C1999 10 02.94241 01 51 09.44 +11 03 34.9 046
J99T04Z C1999 10 02.94354 01 51 09.18 +11 03 38.9 046
J99T04Z C1999 10 02.94477 01 51 08.91 +11 03 42.5 18.4 R 046
J99T04Z C1999 10 03.00006 01 50 56.95 +11 06 48.4 557
J99T04Z C1999 10 03.00145 01 50 56.64 +11 06 53.1 557
J99T04Z C1999 10 03.00426 01 50 56.07 +11 07 01.7 18.9 V 557
J99T04Z C1999 10 03.65940 01 48 36.75 +11 44 27.7 19.3 R 426
J99T04Z C1999 10 03.66317 01 48 35.87 +11 44 40.5 19.3 R 426
J99T04Z C1999 10 03.66689 01 48 35.10 +11 44 53.4 19.4 R 426
J99T04Z C1999 10 04.30223 01 46 16.92 +12 20 38.2 18.8 704
J99T04Z C1999 10 04.31567 01 46 13.84 +12 21 25.3 19.1 704
J99T04Z C1999 10 04.32903 01 46 10.74 +12 22 09.2 19.1 704
J99T04Z C1999 10 04.35583 01 46 04.66 +12 23 42.4 19.3 704
J99T04Z C1999 10 04.86838 01 44 11.18 +12 53 01.4 557
J99T04Z C1999 10 04.86968 01 44 10.90 +12 53 05.3 557
J99T04Z C1999 10 04.87096 01 44 10.64 +12 53 10.1 18.8 V 557
J99T04Z C1999 10 05.92248 01 40 09.35 +13 54 07.1 18.2 R 587
J99T04Z IC1999 10 05.92544 01 40 08.50 +13 54 15.9 587
J99T04Z C1999 10 05.92975 01 40 07.59 +13 54 31.6 587
J99T04Z C1999 10 07.23843 01 34 55.43 +15 11 13.2 19.1 R 734
J99T04Z C1999 10 07.24277 01 34 54.30 +15 11 27.6 734
J99T04Z C1999 10 07.25748 01 34 50.62 +15 12 19.9 19.0 R 734
J99T04Z C1999 10 07.26152 01 34 49.66 +15 12 33.3 18.9 R 734
Observer details:
046 Klet. Observers J. Ticha, M. Tichy, Z. Moravec. 0.57-m f/5.2 reflector
+ CCD.
426 Woomera. Observer F. B. Zoltowski. 0.30-m f/3.3 Schmidt-Cassegrain + CCD.
557 Ondrejov. Observers P. Pravec, L. Sarounova, P. Kusnirak. 0.65-m f/3.6
reflector + CCD.
587 Sormano. Observers F. Manca, P. Sicoli. 0.5-m reflector + CCD.
703 Catalina Sky Survey. Observer T. B. Spahr. 0.41-m f/3 Schmidt + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly,
M. Bezpalko, M. Elowitz. Measurers J. Stuart, H. Viggh, R. Sayer. 1.0-m
f/2.15 reflector + CCD.
734 Farpoint Observatory. Observers G. Hug, G. Bell. 0.30-m
Schmidt-Cassegrain + CCD.
Orbital elements:
1999 TZ4
Epoch 1999 Sept. 19.0 TT = JDT 2451440.5 Williams
M 305.52995 (2000.0) P Q
n 0.53068481 Peri. 61.77170 +0.26101555 -0.95539912
a 1.5109321 Node 15.15324 +0.59062721 +0.04486270
e 0.1557769 Incl. 31.90210 +0.76356426 +0.29189016
P 1.86 H 19.7 G 0.15
From 31 observations 1999 Oct. 2-7.
Ephemeris:
1999 TZ4 a,e,i = 1.51, 0.16, 32 q = 1.2756
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1999 09 29 02 03.84 +07 30.9 0.410 1.381 153.6 18.8 19.4
1999 10 04 01 47.38 +12 03.5 0.386 1.372 161.1 13.7 19.1
1999 10 09 01 27.58 +16 55.4 0.370 1.362 166.7 9.7 18.9
1999 10 14 01 04.98 +21 49.3 0.363 1.353 165.9 10.4 18.8
1999 10 19 00 40.66 +26 24.6 0.365 1.344 159.2 15.3 19.0
1999 10 24 00 16.08 +30 24.3 0.376 1.336 150.8 21.3 19.2
1999 10 29 23 52.75 +33 40.2 0.394 1.328 142.5 27.1 19.5
1999 11 03 23 31.90 +36 13.5 0.417 1.320 134.9 32.2 19.8
1999 11 08 23 14.31 +38 11.3 0.445 1.313 128.1 36.5 20.0
1999 11 18 22 49.61 +40 57.7 0.509 1.301 116.9 42.7 20.5
1999 11 28 22 37.30 +43 00.4 0.576 1.290 108.5 46.5 20.8
1999 12 08 22 34.72 +44 53.0 0.641 1.283 102.1 48.7 21.1
1999 12 18 22 39.78 +46 52.2 0.702 1.278 97.1 49.8 21.3
1999 12 28 22 51.18 +49 04.7 0.757 1.276 93.4 50.3 21.5
2000 01 07 23 08.50 +51 31.5 0.804 1.276 90.6 50.4 21.6
2000 01 17 23 32.07 +54 11.0 0.844 1.280 88.5 50.2 21.7
2000 01 27 00 02.80 +56 57.3 0.878 1.286 87.2 49.9 21.8
2000 02 06 00 42.28 +59 38.3 0.906 1.295 86.2 49.5 21.9
2000 02 16 01 32.23 +61 55.4 0.932 1.306 85.7 48.9 22.0
Gareth V. Williams (C) Copyright 1999 MPC M.P.E.C. 1999-T29
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