MPEC 1998-Q26 : 1998 QR15
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M.P.E.C. 1998-Q26 Issued 1998 Aug. 26, 13:18 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 QR15
Observations:
J98Q15R* C1998 08 23.34147 22 11 08.41 -05 14 26.4 17.2 704
J98Q15R C1998 08 23.35345 22 11 07.89 -05 14 02.1 17.6 704
J98Q15R C1998 08 23.36584 22 11 07.46 -05 13 36.9 17.9 704
J98Q15R C1998 08 23.37845 22 11 06.99 -05 13 09.8 18.8 704
J98Q15R C1998 08 23.39064 22 11 06.69 -05 12 48.3 18.5 704
J98Q15R C1998 08 24.10875 22 10 45.85 -04 48 43.9 17.0 R 758
J98Q15R C1998 08 24.11388 22 10 45.62 -04 48 33.4 17.1 R 758
J98Q15R C1998 08 24.11939 22 10 45.41 -04 48 22.3 17.0 R 758
J98Q15R C1998 08 24.26753 22 10 40.35 -04 43 25.1 670
J98Q15R C1998 08 24.27153 22 10 39.90 -04 43 21.9 16.1 V 713
J98Q15R C1998 08 24.27691 22 10 39.99 -04 43 05.8 17.5 V 670
J98Q15R C1998 08 24.28194 22 10 39.38 -04 42 57.7 15.9 V 713
J98Q15R C1998 08 24.29219 22 10 39.33 -04 42 34.3 670
J98Q15R C1998 08 24.36250 22 10 36.03 -04 40 09.9 711
J98Q15R C1998 08 24.36772 22 10 35.82 -04 39 59.4 711
J98Q15R C1998 08 24.37294 22 10 35.61 -04 39 48.7 711
J98Q15R C1998 08 24.47874 22 10 33.91 -04 35 45.5 17.8 R 422
J98Q15R C1998 08 24.48075 22 10 33.84 -04 35 41.4 17.8 R 422
J98Q15R C1998 08 24.48225 22 10 33.76 -04 35 38.6 17.8 R 422
J98Q15R C1998 08 24.48412 22 10 33.68 -04 35 34.5 18.0 R 422
J98Q15R C1998 08 24.57706 22 10 30.27 -04 32 24.8 15.8 R 426
J98Q15R C1998 08 24.58201 22 10 30.08 -04 32 15.0 15.9 R 426
J98Q15R C1998 08 24.58815 22 10 29.82 -04 32 02.2 15.9 R 426
J98Q15R C1998 08 24.59292 22 10 29.61 -04 31 52.6 16.0 R 426
J98Q15R C1998 08 24.82984 22 10 22.81 -04 24 17.1 16.7 V 596
J98Q15R C1998 08 24.83426 22 10 22.57 -04 24 09.0 596
J98Q15R C1998 08 24.83506 22 10 22.55 -04 24 07.4 16.0 R 587
J98Q15R C1998 08 24.83804 22 10 22.42 -04 24 00.8 596
J98Q15R C1998 08 24.83853 22 10 22.44 -04 24 00.5 587
J98Q15R C1998 08 24.97013 22 10 17.11 -04 19 27.3 15.9 R 470
J98Q15R C1998 08 24.97428 22 10 16.96 -04 19 18.6 15.6 R 470
J98Q15R C1998 08 25.14832 22 10 12.12 -04 13 15.5 17.1 R 758
J98Q15R C1998 08 25.15463 22 10 11.87 -04 13 01.0 16.7 R 758
J98Q15R C1998 08 25.16036 22 10 11.65 -04 12 50.3 17.0 R 758
J98Q15R C1998 08 25.16766 22 10 11.64 -04 12 38.1 734
J98Q15R C1998 08 25.17612 22 10 11.29 -04 12 20.3 734
J98Q15R C1998 08 25.18323 22 10 10.99 -04 12 06.5 734
J98Q15R C1998 08 25.33765 22 10 04.81 -04 06 43.0 711
J98Q15R C1998 08 25.34272 22 10 04.59 -04 06 32.5 711
J98Q15R IC1998 08 25.34790 22 10 04.35 -04 06 19.4 711
J98Q15R C1998 08 25.37368 22 10 03.84 -04 05 34.0 658
J98Q15R C1998 08 25.37645 22 10 03.73 -04 05 28.3 658
J98Q15R C1998 08 25.37984 22 10 03.60 -04 05 21.2 658
J98Q15R C1998 08 25.50818 22 10 00.39 -04 00 19.7 17.5 R 422
J98Q15R C1998 08 25.50926 22 10 00.35 -04 00 17.6 17.7 R 422
J98Q15R C1998 08 25.51218 22 10 00.23 -04 00 11.4 16.9 R 422
J98Q15R C1998 08 25.51293 22 10 00.18 -04 00 09.9 17.6 R 422
J98Q15R C1998 08 25.52436 22 10 00.06 -03 59 45.5 15.8 R 426
J98Q15R C1998 08 25.52897 22 09 59.87 -03 59 36.1 15.8 R 426
J98Q15R C1998 08 25.53308 22 09 59.72 -03 59 27.2 15.9 R 426
J98Q15R C1998 08 25.53766 22 09 59.50 -03 59 18.1 15.9 R 426
J98Q15R C1998 08 25.87757 22 09 48.25 -03 47 57.5 106
J98Q15R C1998 08 25.88233 22 09 48.04 -03 47 47.5 106
J98Q15R C1998 08 25.89034 22 09 47.80 -03 47 30.4 16.2 R 587
J98Q15R C1998 08 25.89348 22 09 47.62 -03 47 24.1 106
J98Q15R C1998 08 25.89560 22 09 47.58 -03 47 19.6 587
J98Q15R C1998 08 25.90135 22 09 47.33 -03 47 07.7 106
J98Q15R C1998 08 25.91837 22 09 46.60 -03 46 31.9 106
J98Q15R C1998 08 25.92432 22 09 46.31 -03 46 20.4 557
J98Q15R C1998 08 25.93024 22 09 46.08 -03 46 08.2 17.1 V 557
Observer details:
106 Crni Vrh. Observers H. Mikuz, J. Skvarc. 0.36-m f/6.7 Schmidt-Cassegrain
+ CCD.
422 Loomberah. Observer G. J. Garradd. 0.45-m f/5.4 reflector + CCD.
426 Woomera. Observer F. B. Zoltowski. 0.30-m f/3.3 Schmidt-Cassegrain + CCD.
470 Ceccano. Observer G. Masi. 0.28-m f/3.3 Schmidt-Cassegrain + 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.
596 Colleverde di Guidonia. Observer V. S. Casulli. 0.40-m f/2.95 reflector
+ CCD.
658 Dominion Astrophysical Observatory. Observer D. D. Balam. 1.82-m
reflector + CCD.
670 Camarillo. Observer J. E. Rogers. 0.25-m Schmidt-Cassegrain + 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.
711 McDonald Observatory. Observer P. J. Shelus. 0.76-m 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.
Orbital elements:
1998 QR15
Epoch 1998 Aug. 15.0 TT = JDT 2451040.5 Williams
M 346.86211 (2000.0) P Q
n 0.21490483 Peri. 54.19864 +0.95045251 -0.29353061
a 2.7603995 Node 322.56663 +0.20187422 +0.83320711
e 0.5664470 Incl. 9.69585 +0.23640395 +0.46862105
P 4.59 H 18.5 G 0.15
From 60 observations 1998 Aug. 23-25.
Ephemeris:
1998 QR15 a,e,i = 2.76, 0.57, 10 q = 1.1968
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1998 08 25 22 10.27 -04 18.2 0.327 1.336 173.3 5.0 17.1
1998 08 30 22 07.48 -01 16.5 0.306 1.312 169.9 7.7 17.1
1998 09 04 22 04.69 +02 02.8 0.289 1.290 165.1 11.6 17.1
1998 09 09 22 02.21 +05 36.8 0.275 1.270 160.0 15.8 17.1
1998 09 14 22 00.37 +09 20.6 0.266 1.251 154.9 20.0 17.1
1998 09 19 21 59.51 +13 08.6 0.259 1.236 150.0 24.0 17.1
1998 09 24 22 00.01 +16 54.7 0.256 1.222 145.5 27.7 17.2
1998 09 29 22 02.17 +20 33.6 0.255 1.212 141.6 30.9 17.3
1998 10 04 22 06.22 +24 00.7 0.257 1.204 138.2 33.6 17.4
1998 10 09 22 12.31 +27 12.4 0.261 1.199 135.6 35.7 17.4
1998 10 14 22 20.50 +30 05.4 0.267 1.197 133.5 37.2 17.5
1998 10 19 22 30.81 +32 37.5 0.275 1.198 132.1 38.1 17.6
1998 10 24 22 43.20 +34 47.5 0.285 1.201 131.2 38.6 17.7
1998 10 29 22 57.53 +36 34.8 0.296 1.208 130.8 38.5 17.8
1998 11 03 23 13.53 +37 59.2 0.310 1.217 130.7 38.1 17.9
1998 11 08 23 30.83 +39 01.1 0.326 1.229 130.9 37.5 18.0
1998 11 13 23 49.06 +39 41.1 0.344 1.244 131.3 36.7 18.1
1998 11 18 00 07.83 +40 00.9 0.365 1.261 131.6 35.9 18.3
1998 11 23 00 26.80 +40 03.0 0.389 1.280 131.9 35.0 18.4
1998 11 28 00 45.64 +39 50.4 0.415 1.302 132.1 34.2 18.6
1998 12 03 01 04.08 +39 26.3 0.445 1.325 132.0 33.6 18.8
1998 12 08 01 21.92 +38 53.4 0.477 1.350 131.6 33.1 18.9
1998 12 13 01 39.06 +38 14.4 0.514 1.377 130.9 32.7 19.1
1998 12 18 01 55.49 +37 31.9 0.553 1.405 130.0 32.5 19.3
1998 12 23 02 11.21 +36 47.9 0.597 1.434 128.7 32.4 19.5
1998 12 28 02 26.27 +36 04.0 0.644 1.465 127.1 32.4 19.7
1999 01 02 02 40.71 +35 21.4 0.694 1.496 125.4 32.4 19.9
1999 01 07 02 54.57 +34 40.7 0.748 1.528 123.4 32.5 20.2
1999 01 12 03 07.92 +34 02.3 0.805 1.561 121.3 32.6 20.4
1999 01 17 03 20.83 +33 26.4 0.866 1.595 119.0 32.6 20.6
1999 01 22 03 33.36 +32 53.1 0.929 1.629 116.7 32.7 20.8
1999 01 27 03 45.56 +32 22.3 0.996 1.663 114.2 32.7 21.0
1999 02 01 03 57.46 +31 53.7 1.066 1.698 111.7 32.6 21.2
1999 02 06 04 09.10 +31 27.1 1.139 1.733 109.1 32.5 21.3
1999 02 11 04 20.51 +31 02.2 1.214 1.769 106.5 32.3 21.5
1999 02 16 04 31.71 +30 38.7 1.291 1.804 103.9 32.1 21.7
1999 02 21 04 42.74 +30 16.3 1.371 1.840 101.2 31.8 21.9
Gareth V. Williams (C) Copyright 1998 MPC M.P.E.C. 1998-Q26
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