MPEC 1998-Q07: 1998 QP
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M.P.E.C. 1998-Q07 Issued 1998 Aug. 19, 16:17 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 QP
Observations:
J98Q00P* C1998 08 17.26000 22 04 23.28 -20 06 42.4 17.5 704
J98Q00P C1998 08 17.28087 22 04 21.29 -20 04 47.6 704
J98Q00P C1998 08 17.30198 22 04 19.29 -20 02 48.7 704
J98Q00P C1998 08 17.32291 22 04 17.23 -20 00 49.2 704
J98Q00P C1998 08 17.34393 22 04 15.03 -19 58 47.5 17.8 704
J98Q00P C1998 08 17.99036 22 03 43.28 -18 50 42.2 16.4 V 046
J98Q00P C1998 08 17.99102 22 03 43.21 -18 50 37.7 046
J98Q00P C1998 08 17.99168 22 03 43.15 -18 50 32.9 046
J98Q00P C1998 08 17.99229 22 03 43.09 -18 50 28.6 046
J98Q00P C1998 08 18.13742 22 03 41.43 -18 32 27.1 16.3 R 758
J98Q00P C1998 08 19.02152 22 02 33.90 -16 25 33.8 620
J98Q00P C1998 08 19.02361 22 02 33.61 -16 25 12.5 620
J98Q00P C1998 08 19.02569 22 02 33.26 -16 24 51.6 620
J98Q00P C1998 08 19.02789 22 02 32.96 -16 24 29.5 620
J98Q00P C1998 08 19.14017 22 02 31.99 -16 04 33.3 15.3 R 758
J98Q00P C1998 08 19.14383 22 02 31.47 -16 03 55.3 15.1 R 758
J98Q00P C1998 08 19.14642 22 02 31.11 -16 03 28.3 15.2 R 758
J98Q00P C1998 08 19.15167 22 02 30.35 -16 02 33.4 15.1 R 758
J98Q00P C1998 08 19.15396 22 02 30.02 -16 02 09.6 15.1 R 758
J98Q00P C1998 08 19.15662 22 02 29.63 -16 01 40.8 15.2 R 758
J98Q00P C1998 08 19.28932 22 02 16.26 -15 37 44.1 670
J98Q00P C1998 08 19.29453 22 02 15.46 -15 36 45.5 670
J98Q00P C1998 08 19.30321 22 02 14.07 -15 35 08.4 15.8 V 670
J98Q00P C1998 08 19.46907 22 02 04.61 -14 59 06.8 15.9 R 422
J98Q00P C1998 08 19.46964 22 02 04.52 -14 59 00.0 16.0 R 422
J98Q00P C1998 08 19.47013 22 02 04.45 -14 58 54.0 16.0 R 422
J98Q00P C1998 08 19.47160 22 02 04.23 -14 58 36.3 16.1 R 422
Observer details:
046 Klet. Observers M. Tichy, Z. Moravec. Measurer M. Tichy. 0.57-m f/5.2
reflector + CCD.
422 Loomberah. Observer G. J. Garradd. 0.45-m f/5.4 reflector + CCD.
620 Observatorio Astronomico de Mallorca. Observers A. Lopez, R. Pacheco.
Measurers A. Lopez, S. Sanchez. 0.30-m f/3.3 Schmidt-Cassegrain + 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.
758 BCC Observatory, Cocoa. Observer I. P. Griffin. 0.30-m f/5 Maksutov
+ CCD.
Orbital elements:
1998 QP PHA 0.016
Epoch 1998 Aug. 15.0 TT = JDT 2451040.5 Williams
M 336.54501 (2000.0) P Q
n 0.41266795 Peri. 77.68047 +0.70353317 -0.70507324
a 1.7867710 Node 327.02895 +0.57182476 +0.63595841
e 0.5831322 Incl. 9.40742 +0.42196862 +0.31373339
P 2.39 H 22.0 G 0.15
From 27 observations 1998 Aug. 17-19.
Ephemeris:
1998 QP a,e,i = 1.79, 0.58, 9 q = 0.7448
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1998 08 15 22 05.58 -22 43.1 0.084 1.096 169.2 10.0 17.5
1998 08 16 22 05.13 -21 44.3 0.075 1.087 170.3 9.0 17.2
1998 08 17 22 04.53 -20 28.4 0.066 1.078 171.6 7.8 16.8
1998 08 18 22 03.73 -18 47.3 0.057 1.069 173.4 6.3 16.4
1998 08 19 22 02.62 -16 26.7 0.047 1.059 175.7 4.1 15.9
1998 08 20 22 01.01 -12 59.8 0.038 1.050 178.7 1.2 15.2
1998 08 21 21 58.53 -07 29.3 0.030 1.041 175.2 4.6 14.9
1998 08 22 21 54.20 +02 23.1 0.022 1.032 165.5 14.2 14.5
1998 08 23 21 44.79 +22 39.5 0.015 1.023 145.3 34.2 14.3
1998 08 24 21 09.29 +61 16.1 0.012 1.015 106.5 72.9 15.0
1998 08 25 12 16.2 +79 17.2 0.015 1.006 69.9 109.2 17.1
1998 08 26 10 42.97 +62 10.5 0.023 0.997 51.8 127.2 19.2
1998 08 27 10 28.82 +53 13.7 0.031 0.988 43.1 135.7 20.7
1998 08 28 10 23.18 +48 05.5 0.040 0.979 38.2 140.3 21.8
1998 08 29 10 20.14 +44 48.2 0.048 0.971 35.4 143.0 22.6
1998 08 30 10 18.25 +42 31.3 0.058 0.962 33.5 144.6 23.2
Gareth V. Williams (C) Copyright 1998 MPC M.P.E.C. 1998-Q07
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