MPEC 1998-R07 : 1998 QT60
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M.P.E.C. 1998-R07 Issued 1998 Sept. 2, 14:49 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
1998 QT60
Observations:
J98Q60T* C1998 08 29.33985 04 25 10.40 +47 37 41.4 17.4 704
J98Q60T C1998 08 29.35070 04 25 12.56 +47 37 49.9 17.5 704
J98Q60T C1998 08 29.36154 04 25 14.68 +47 37 57.4 17.2 704
J98Q60T C1998 08 29.37239 04 25 16.72 +47 38 04.8 17.3 704
J98Q60T C1998 08 29.38326 04 25 18.99 +47 38 13.3 704
J98Q60T C1998 08 30.27796 04 28 15.68 +47 49 21.4 734
J98Q60T C1998 08 30.28294 04 28 16.61 +47 49 24.9 734
J98Q60T C1998 08 30.28873 04 28 17.83 +47 49 29.1 734
J98Q60T C1998 08 30.31783 04 28 23.60 +47 49 53.5 15.5 R 758
J98Q60T C1998 08 30.31995 04 28 23.87 +47 49 54.7 15.4 R 758
J98Q60T C1998 08 30.32249 04 28 24.35 +47 49 56.4 15.2 R 758
J98Q60T C1998 08 30.32501 04 28 24.90 +47 49 59.0 15.3 R 758
J98Q60T C1998 08 30.32823 04 28 25.48 +47 50 01.3 15.4 R 758
J98Q60T C1998 08 30.48328 04 28 55.98 +47 51 54.2 658
J98Q60T C1998 08 30.48863 04 28 57.04 +47 51 58.1 658
J98Q60T C1998 08 30.49213 04 28 57.73 +47 52 00.9 658
J98Q60T C1998 08 30.92876 04 30 24.31 +47 57 18.1 15.9 V 046
J98Q60T C1998 08 30.92981 04 30 24.58 +47 57 19.3 046
J98Q60T C1998 08 30.93389 04 30 25.43 +47 57 21.7 587
J98Q60T C1998 08 30.93750 04 30 26.17 +47 57 24.3 587
J98Q60T C1998 08 30.94015 04 30 26.70 +47 57 26.3 587
J98Q60T C1998 08 30.96817 04 30 32.45 +47 57 47.3 16.6 V 620
J98Q60T C1998 08 30.98136 04 30 34.84 +47 57 57.7 16.7 V 620
J98Q60T C1998 08 30.98726 04 30 36.02 +47 58 02.4 620
J98Q60T C1998 08 30.99074 04 30 36.79 +47 58 04.1 620
J98Q60T C1998 08 31.01359 04 30 41.23 +47 58 21.7 16.6 R 470
J98Q60T C1998 08 31.01699 04 30 41.85 +47 58 24.3 16.5 R 470
J98Q60T C1998 08 31.02038 04 30 42.55 +47 58 27.3 16.6 R 470
J98Q60T C1998 08 31.36019 04 31 49.97 +48 02 32.1 18.1 704
J98Q60T C1998 08 31.36908 04 31 51.81 +48 02 39.6 704
J98Q60T C1998 08 31.37872 04 31 53.60 +48 02 48.3 18.2 704
J98Q60T C1998 08 31.38847 04 31 55.59 +48 02 54.4 17.9 704
J98Q60T C1998 08 31.90891 04 33 38.91 +48 09 03.0 16.1 R 611
J98Q60T C1998 08 31.91586 04 33 40.30 +48 09 08.9 16.1 R 611
J98Q60T C1998 08 31.94367 04 33 45.88 +48 09 29.1 557
J98Q60T C1998 08 31.94600 04 33 46.33 +48 09 30.7 557
J98Q60T C1998 08 31.94832 04 33 46.80 +48 09 32.4 16.8 V 557
J98Q60T C1998 09 01.11201 04 34 19.19 +48 11 31.4 16.7 V 046
J98Q60T C1998 09 01.11346 04 34 19.48 +48 11 32.5 046
J98Q60T C1998 09 01.11499 04 34 19.77 +48 11 33.5 046
J98Q60T C1998 09 02.31126 04 38 18.53 +48 25 27.1 16.5 V 713
J98Q60T C1998 09 02.32316 04 38 20.28 +48 25 43.3 16.2 860
J98Q60T WC1998 09 02.32949 04 38 22.29 +48 25 38.9 16.0 V 713
J98Q60T C1998 09 02.32956 04 38 21.91 +48 25 48.3 16.6 860
J98Q60T C1998 09 02.35470 04 38 27.11 +48 25 58.4 16.5 V 713
J98Q60T C1998 09 02.37499 04 38 31.04 +48 26 13.4 16.6 V 713
Observer details:
046 Klet. Observers J. Ticha, M. Tichy, Z. Moravec. Measurer M. Tichy.
0.57-m f/5.2 reflector + CCD.
470 Ceccano. Observer G. Masi. 0.28-m f/6.3 reflector + CCD.
557 Ondrejov. Observer L. Sarounova. 0.65-m f/3.6 reflector + CCD.
587 Sormano. Observers F. Manca, P. Sicoli. 0.5-m reflector + CCD.
611 Starkenburg. Observers M. Busch, P. Geffert, R. Stoss. 0.45-m f/4.4
reflector + CCD.
620 Observatorio Astronomico de Mallorca. Observers A. Lopez, R. Pacheco.
0.30-m f/3.3 Schmidt-Cassegrain + CCD.
658 Dominion Astrophysical Observatory. Observer D. D. Balam. 1.82-m
reflector + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly,
M. Bezpalko. Measurers J. Stuart, H. Viggh, R. Sayer. 1.0-m f/2.15
reflector + CCD.
713 Thornton. Observer R. A. Koff. 0.20-m f/10 Schmidt-Cassegrain + CCD.
734 Farpoint Observatory. Observer G. Hug. 0.30-m Schmidt-Cassegrain + CCD.
758 BCC Observatory, Cocoa. Observer I. P. Griffin. 0.30-m f/5 Maksutov
+ CCD.
860 Valinhos. Observer P. R. Holvorcem. 0.20-m f/3.3 reflector + CCD.
Orbital elements:
1998 QT60
Epoch 1998 Aug. 15.0 TT = JDT 2451040.5 Williams
M 345.29578 (2000.0) P Q
n 0.20565491 Peri. 123.47677 +0.38100800 -0.86621171
a 2.8425623 Node 300.82061 +0.67296132 +0.49958251
e 0.4267739 Incl. 22.11355 +0.63399998 -0.00972574
P 4.79 H 13.0 G 0.15
From 46 observations 1998 Aug. 29-Sept. 2.
Ephemeris:
1998 QT60 a,e,i = 2.84, 0.43, 22 q = 1.6294
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1998 08 25 04 11.03 +46 40.5 1.520 1.715 82.7 35.8 16.5
1998 08 30 04 27.33 +47 45.9 1.477 1.702 84.2 36.2 16.5
1998 09 04 04 43.93 +48 44.4 1.435 1.690 85.7 36.5 16.4
1998 09 09 05 00.73 +49 35.5 1.394 1.679 87.2 36.8 16.3
1998 09 14 05 17.61 +50 19.0 1.355 1.670 88.7 37.0 16.3
1998 09 19 05 34.43 +50 54.6 1.316 1.661 90.4 37.2 16.2
1998 09 24 05 51.02 +51 22.4 1.277 1.653 92.1 37.3 16.1
1998 09 29 06 07.23 +51 42.3 1.240 1.646 93.9 37.4 16.1
1998 10 04 06 22.88 +51 54.7 1.203 1.640 95.8 37.4 16.0
1998 10 09 06 37.82 +52 00.0 1.167 1.636 97.8 37.2 15.9
1998 10 14 06 51.87 +51 58.8 1.132 1.633 99.9 37.0 15.8
1998 10 19 07 04.86 +51 51.7 1.097 1.630 102.2 36.7 15.8
1998 10 24 07 16.63 +51 39.1 1.062 1.629 104.7 36.2 15.7
1998 10 29 07 27.04 +51 21.6 1.028 1.630 107.4 35.6 15.6
1998 11 03 07 35.97 +50 59.7 0.995 1.631 110.3 34.8 15.5
1998 11 08 07 43.31 +50 33.6 0.963 1.634 113.4 33.8 15.4
1998 11 13 07 48.95 +50 03.6 0.932 1.638 116.8 32.6 15.3
1998 11 18 07 52.78 +49 29.5 0.902 1.642 120.5 31.2 15.2
1998 11 23 07 54.73 +48 50.7 0.874 1.649 124.5 29.6 15.1
1998 11 28 07 54.78 +48 06.4 0.848 1.656 128.8 27.7 15.0
1998 12 03 07 52.98 +47 15.4 0.825 1.664 133.4 25.5 14.9
1998 12 08 07 49.41 +46 16.5 0.805 1.673 138.2 23.1 14.7
1998 12 13 07 44.24 +45 08.3 0.788 1.684 143.4 20.4 14.6
1998 12 18 07 37.74 +43 49.8 0.775 1.695 148.7 17.6 14.5
1998 12 23 07 30.26 +42 20.0 0.768 1.707 154.0 14.6 14.4
1998 12 28 07 22.24 +40 39.4 0.766 1.721 159.0 11.8 14.3
1999 01 02 07 14.15 +38 49.1 0.770 1.735 163.2 9.4 14.3
1999 01 12 06 59.28 +34 49.4 0.797 1.765 165.1 8.3 14.3
1999 01 22 06 48.10 +30 44.7 0.850 1.799 157.6 12.0 14.6
1999 02 01 06 41.74 +26 57.5 0.927 1.836 147.4 16.8 15.0
1999 02 11 06 40.10 +23 40.6 1.025 1.874 137.4 20.9 15.4
1999 02 21 06 42.59 +20 56.2 1.141 1.915 128.0 24.0 15.8
1999 03 03 06 48.45 +18 40.6 1.270 1.957 119.4 26.2 16.2
1999 03 13 06 56.92 +16 47.6 1.410 2.001 111.6 27.5 16.5
1999 03 23 07 07.41 +15 10.9 1.558 2.047 104.3 28.1 16.8
1999 04 02 07 19.45 +13 45.1 1.712 2.093 97.6 28.3 17.0
1999 04 12 07 32.60 +12 25.6 1.869 2.139 91.2 27.9 17.2
1999 04 22 07 46.59 +11 09.4 2.029 2.187 85.1 27.3 17.5
1999 05 02 08 01.18 +09 53.8 2.189 2.235 79.3 26.3 17.6
1999 05 12 08 16.16 +08 37.3 2.349 2.283 73.7 25.1 17.8
1999 05 22 08 31.41 +07 18.6 2.507 2.331 68.3 23.8 18.0
1999 06 01 08 46.80 +05 57.0 2.661 2.379 63.0 22.3 18.1
Gareth V. Williams (C) Copyright 1998 MPC M.P.E.C. 1998-R07
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