MPEC 1998-M08 : 1998 MQ
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M.P.E.C. 1998-M08 Issued 1998 June 20, 16:21 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 MQ
Observations:
J98M00Q C1998 06 04.26534 16 53 38.69 +09 34 42.7 17.9 704
J98M00Q C1998 06 04.27803 16 53 37.52 +09 35 05.1 18.1 704
J98M00Q C1998 06 04.29091 16 53 36.34 +09 35 30.5 18.1 704
J98M00Q C1998 06 04.30392 16 53 35.16 +09 35 52.9 18.0 704
J98M00Q C1998 06 04.31674 16 53 33.90 +09 36 17.1 18.4 704
J98M00Q C1998 06 04.32406 16 53 33.29 +09 36 30.3 17.9 R 699
J98M00Q C1998 06 04.33898 16 53 32.01 +09 36 57.6 699
J98M00Q C1998 06 04.35389 16 53 30.59 +09 37 24.8 699
J98M00Q* C1998 06 18.29622 16 32 00.79 +16 11 06.5 17.4 R 699
J98M00Q C1998 06 18.31858 16 31 58.69 +16 11 39.6 699
J98M00Q C1998 06 18.34025 16 31 56.56 +16 12 10.7 699
J98M00Q C1998 06 19.29852 16 30 28.56 +16 35 15.2 696
J98M00Q C1998 06 19.30001 16 30 28.43 +16 35 17.4 696
J98M00Q C1998 06 19.30149 16 30 28.28 +16 35 19.4 17.6 R 696
J98M00Q C1998 06 19.33762 16 30 24.77 +16 36 08.8 734
J98M00Q C1998 06 19.34152 16 30 24.40 +16 36 12.9 734
J98M00Q C1998 06 19.34506 16 30 24.06 +16 36 17.6 734
J98M00Q C1998 06 19.87002 16 29 36.82 +16 48 42.7 17.5 R 620
J98M00Q C1998 06 19.88866 16 29 35.09 +16 49 06.8 17.6 R 620
J98M00Q C1998 06 19.89514 16 29 34.49 +16 49 16.3 620
J98M00Q C1998 06 19.90081 16 29 33.89 +16 49 23.9 620
J98M00Q C1998 06 19.94028 16 29 30.10 +16 50 17.4 17.2 R 611
J98M00Q C1998 06 19.94618 16 29 29.52 +16 50 26.4 17.4 R 611
J98M00Q C1998 06 19.94766 16 29 29.37 +16 50 28.5 17.6 R 587
J98M00Q C1998 06 19.95104 16 29 29.08 +16 50 32.3 17.3 R 611
J98M00Q C1998 06 19.95353 16 29 28.83 +16 50 37.0 587
J98M00Q C1998 06 19.95634 16 29 28.55 +16 50 40.4 587
J98M00Q C1998 06 19.96347 16 29 27.86 +16 50 50.4 046
J98M00Q C1998 06 19.96578 16 29 27.62 +16 50 53.7 046
J98M00Q C1998 06 19.96682 16 29 27.53 +16 50 54.7 17.8 V 046
J98M00Q C1998 06 19.96787 16 29 27.42 +16 50 56.3 046
J98M00Q C1998 06 19.96971 16 29 27.20 +16 50 58.7 046
J98M00Q C1998 06 20.23789 16 29 03.26 +16 57 12.2 658
J98M00Q C1998 06 20.24083 16 29 02.98 +16 57 16.2 658
J98M00Q C1998 06 20.24315 16 29 02.76 +16 57 19.5 658
Observer details:
046 Klet. Observer M. Tichy. 0.57-m f/5.2 reflector + CCD.
587 Sormano. Observers F. Manca, P. Sicoli. 0.5-m reflector + CCD.
611 Starkenburg. Observers M. Busch, A. Seib, 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.
696 Whipple Observatory, Mt. Hopkins. Observer C. W. Hergenrother. 1.2-m
reflector + CCD.
699 Lowell Observatory-LONEOS. Observers C. A. Onken, B. A. Skiff. Measurers
B. W. Koehn, E. Bowell. 0.59-m LONEOS Schmidt + 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.
734 Farpoint Observatory. Observer G. Hug. 0.45-m reflector + CCD.
Orbital elements:
1998 MQ
Epoch 1998 May 27.0 TT = JDT 2450960.5 Williams
M 299.29015 (2000.0) P Q
n 0.41403489 Peri. 138.57693 +0.96180796 +0.04692869
a 1.7828361 Node 221.21389 -0.07106577 +0.99422235
e 0.4084918 Incl. 24.16049 +0.26433898 +0.09653813
P 2.38 H 16.5 G 0.15
From 35 observations 1998 June 4-20.
Ephemeris:
1998 MQ a,e,i = 1.78, 0.41, 24 q = 1.0546
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1998 06 16 16 35.58 +15 13.4 0.684 1.595 138.6 24.9 17.8
1998 06 21 16 27.90 +17 14.7 0.681 1.566 133.8 27.9 17.9
1998 06 26 16 20.68 +18 58.9 0.681 1.538 128.8 31.0 17.9
1998 07 01 16 14.18 +20 25.3 0.684 1.509 123.9 34.0 18.0
1998 07 06 16 08.62 +21 34.4 0.689 1.480 119.2 36.9 18.0
1998 07 11 16 04.16 +22 27.4 0.695 1.451 114.6 39.5 18.1
1998 07 16 16 00.89 +23 05.8 0.702 1.423 110.4 42.0 18.1
1998 07 21 15 58.87 +23 31.1 0.709 1.394 106.5 44.4 18.2
1998 07 26 15 58.13 +23 45.2 0.715 1.366 102.8 46.5 18.2
1998 07 31 15 58.67 +23 49.7 0.720 1.338 99.5 48.5 18.2
1998 08 05 16 00.45 +23 46.1 0.724 1.310 96.4 50.3 18.3
1998 08 10 16 03.44 +23 35.8 0.725 1.283 93.6 52.0 18.3
1998 08 15 16 07.59 +23 19.6 0.725 1.257 91.1 53.7 18.3
1998 08 20 16 12.87 +22 58.2 0.722 1.232 88.9 55.2 18.3
1998 08 25 16 19.27 +22 32.1 0.717 1.207 86.9 56.7 18.2
1998 08 30 16 26.78 +22 01.8 0.709 1.184 85.2 58.2 18.2
1998 09 04 16 35.39 +21 27.4 0.698 1.162 83.7 59.6 18.2
1998 09 09 16 45.10 +20 48.8 0.685 1.142 82.5 61.0 18.1
1998 09 14 16 55.95 +20 05.5 0.670 1.123 81.5 62.3 18.1
1998 09 19 17 07.99 +19 17.0 0.653 1.107 80.8 63.7 18.1
1998 09 24 17 21.31 +18 22.5 0.633 1.092 80.2 64.9 18.0
1998 09 29 17 36.00 +17 21.0 0.612 1.079 80.0 66.1 17.9
1998 10 04 17 52.17 +16 11.3 0.590 1.069 80.0 67.1 17.9
1998 10 09 18 09.93 +14 52.0 0.567 1.062 80.2 68.0 17.8
1998 10 14 18 29.45 +13 21.3 0.544 1.057 80.8 68.7 17.7
1998 10 19 18 50.86 +11 37.8 0.523 1.055 81.5 69.1 17.6
1998 10 24 19 14.28 +09 40.7 0.503 1.055 82.6 69.2 17.6
1998 10 29 19 39.73 +07 30.1 0.486 1.058 83.9 68.9 17.5
1998 11 03 20 07.13 +05 07.7 0.473 1.064 85.4 68.3 17.4
1998 11 08 20 36.20 +02 36.9 0.465 1.073 87.0 67.3 17.4
1998 11 13 21 06.53 +00 03.4 0.463 1.084 88.7 66.0 17.3
1998 11 18 21 37.56 -02 25.3 0.468 1.097 90.4 64.3 17.3
1998 11 23 22 08.60 -04 41.6 0.479 1.112 91.9 62.6 17.4
1998 11 28 22 38.98 -06 39.5 0.497 1.130 93.2 60.7 17.4
1998 12 03 23 08.12 -08 15.1 0.522 1.149 94.2 58.8 17.5
1998 12 08 23 35.63 -09 27.6 0.552 1.170 94.9 57.0 17.6
1998 12 13 00 01.31 -10 17.6 0.587 1.192 95.3 55.3 17.7
1998 12 18 00 25.12 -10 47.5 0.627 1.216 95.4 53.7 17.9
1998 12 23 00 47.16 -10 59.9 0.670 1.240 95.3 52.2 18.0
1998 12 28 01 07.55 -10 57.8 0.717 1.266 94.9 50.7 18.2
1999 01 02 01 26.48 -10 43.9 0.767 1.293 94.4 49.3 18.3
1999 01 07 01 44.11 -10 20.8 0.819 1.320 93.7 48.0 18.5
1999 01 12 02 00.64 -09 50.2 0.873 1.347 92.9 46.8 18.6
1999 01 17 02 16.24 -09 13.9 0.929 1.375 91.9 45.6 18.8
1999 01 22 02 31.05 -08 33.3 0.987 1.404 90.8 44.5 18.9
1999 01 27 02 45.20 -07 49.7 1.046 1.432 89.7 43.4 19.1
1999 02 01 02 58.80 -07 04.1 1.106 1.461 88.4 42.4 19.2
1999 02 06 03 11.93 -06 17.3 1.168 1.490 87.1 41.4 19.3
1999 02 11 03 24.67 -05 30.1 1.230 1.519 85.7 40.4 19.5
1999 02 16 03 37.09 -04 42.9 1.294 1.548 84.3 39.4 19.6
1999 02 21 03 49.24 -03 56.5 1.358 1.576 82.8 38.5 19.7
1999 02 26 04 01.17 -03 11.1 1.423 1.605 81.2 37.6 19.8
1999 03 03 04 12.91 -02 27.3 1.488 1.633 79.6 36.7 19.9
1999 03 08 04 24.48 -01 45.4 1.554 1.661 78.0 35.8 20.0
1999 03 13 04 35.91 -01 05.6 1.621 1.689 76.3 34.9 20.1
1999 03 18 04 47.23 -00 28.1 1.687 1.716 74.6 34.0 20.2
1999 03 23 04 58.44 +00 06.8 1.754 1.743 72.8 33.1 20.3
1999 03 28 05 09.56 +00 39.0 1.821 1.770 71.1 32.2 20.4
1999 04 02 05 20.59 +01 08.3 1.888 1.796 69.3 31.4 20.5
1999 04 07 05 31.54 +01 34.6 1.955 1.822 67.4 30.5 20.6
1999 04 12 05 42.40 +01 58.0 2.021 1.847 65.6 29.6 20.6
1999 04 17 05 53.20 +02 18.2 2.087 1.873 63.7 28.7 20.7
1999 04 22 06 03.93 +02 35.3 2.153 1.897 61.8 27.8 20.8
Gareth V. Williams (C) Copyright 1998 MPC M.P.E.C. 1998-M08
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