MPEC 1998-Q15: 1998 QH1
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M.P.E.C. 1998-Q15 Issued 1998 Aug. 21, 14:24 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 QH1
Observations:
J98Q01H* C1998 08 17.36369 23 28 23.05 +07 13 40.2 19.8 704
J98Q01H C1998 08 17.40592 23 28 30.30 +07 13 05.1 20.0 704
J98Q01H C1998 08 17.42690 23 28 34.07 +07 12 46.5 19.4 704
J98Q01H C1998 08 17.44778 23 28 37.30 +07 12 30.8 19.6 704
J98Q01H FC1998 08 19.94685 23 36 32.79 +06 31 54.6 557
J98Q01H FC1998 08 19.94919 23 36 33.23 +06 31 51.1 19.9 V 557
J98Q01H FC1998 08 19.95152 23 36 33.69 +06 31 49.1 557
J98Q01H C1998 08 20.00984 23 36 44.65 +06 30 47.1 557
J98Q01H WC1998 08 21.08584 23 40 18.16 +06 10 40.7 557
J98Q01H WC1998 08 21.08957 23 40 18.90 +06 10 36.4 557
J98Q01H WC1998 08 21.09144 23 40 19.22 +06 10 33.3 557
Observer details:
557 Ondrejov. Observers P. Pravec, L. Sarounova. 0.65-m f/3.6 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.
Orbital elements:
1998 QH1
Epoch 1998 Aug. 15.0 TT = JDT 2451040.5 Williams
M 346.19088 (2000.0) P Q
n 0.26190965 Peri. 215.22354 +0.95001131 -0.30554635
a 2.4193668 Node 162.23223 +0.31219981 +0.92761224
e 0.5270258 Incl. 12.14216 +0.00312779 +0.21488826
P 3.76 H 20.0 G 0.15
From 11 observations 1998 Aug. 17-21.
Ephemeris:
1998 QH1 a,e,i = 2.42, 0.53, 12 q = 1.1443
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1998 08 15 23 21.38 +07 44.7 0.322 1.293 146.2 25.9 19.3
1998 08 20 23 36.71 +06 31.3 0.290 1.269 148.5 24.6 19.0
1998 08 25 23 54.19 +04 43.6 0.261 1.245 150.7 23.4 18.7
1998 08 30 00 14.14 +02 16.7 0.237 1.224 152.3 22.5 18.4
1998 09 04 00 36.75 -00 51.6 0.217 1.205 152.9 22.4 18.2
1998 09 09 01 01.93 -04 38.2 0.201 1.189 151.9 23.6 18.0
1998 09 14 01 29.15 -08 52.3 0.191 1.174 149.2 26.0 17.9
1998 09 19 01 57.46 -13 15.4 0.187 1.163 145.2 29.5 18.0
1998 09 24 02 25.60 -17 25.1 0.187 1.154 140.7 33.5 18.1
1998 09 29 02 52.28 -21 03.0 0.192 1.148 136.2 37.1 18.2
1998 10 04 03 16.46 -23 59.0 0.200 1.145 132.4 40.2 18.4
1998 10 09 03 37.46 -26 11.8 0.211 1.145 129.5 42.4 18.6
1998 10 14 03 54.96 -27 45.2 0.224 1.147 127.5 43.6 18.7
1998 10 19 04 09.01 -28 44.3 0.238 1.153 126.3 44.1 18.9
1998 10 24 04 19.86 -29 13.5 0.253 1.162 126.0 43.9 19.0
1998 10 29 04 27.91 -29 16.8 0.270 1.173 126.3 43.0 19.2
1998 11 03 04 33.59 -28 57.2 0.286 1.187 127.2 41.7 19.3
1998 11 08 04 37.29 -28 17.2 0.304 1.204 128.5 40.1 19.4
1998 11 13 04 39.38 -27 18.3 0.322 1.223 130.1 38.3 19.5
1998 11 18 04 40.24 -26 01.8 0.342 1.243 131.9 36.3 19.6
1998 11 23 04 40.26 -24 29.1 0.363 1.266 133.8 34.2 19.7
1998 11 28 04 39.80 -22 42.0 0.386 1.291 135.6 32.3 19.9
1998 12 03 04 39.17 -20 42.9 0.411 1.317 137.2 30.5 20.0
1998 12 08 04 38.61 -18 34.6 0.438 1.345 138.5 29.1 20.1
1998 12 13 04 38.30 -16 19.9 0.468 1.374 139.3 27.9 20.3
1998 12 18 04 38.39 -14 01.2 0.501 1.403 139.5 27.1 20.5
1998 12 23 04 39.03 -11 41.1 0.538 1.434 139.2 26.6 20.6
1998 12 28 04 40.27 -09 22.2 0.578 1.466 138.3 26.5 20.8
1999 01 02 04 42.16 -07 06.5 0.621 1.498 136.9 26.7 21.0
1999 01 07 04 44.69 -04 55.6 0.668 1.531 135.1 27.0 21.3
1999 01 12 04 47.83 -02 50.5 0.719 1.564 132.9 27.4 21.5
1999 01 17 04 51.56 -00 52.0 0.773 1.598 130.5 27.9 21.7
1999 01 22 04 55.88 +00 59.4 0.831 1.632 127.8 28.5 21.9
Gareth V. Williams (C) Copyright 1998 MPC M.P.E.C. 1998-Q15
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