MPEC 1996-M07 : 1987 QX
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M.P.E.C. 1996-M07 Issued 1996 June 26, 16:43 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
1987 QX
Observations:
J87Q00X IC1996 05 27.72827 19 16 45.46 -44 59 48.2 413
J87Q00X C1996 05 28.76043 19 16 30.00 -45 08 16.4 413
J87Q00X C1996 05 28.77064 19 16 29.82 -45 08 22.0 413
Observer details:
413 Siding Spring Observatory. Observers R. H. McNaught, G. J. Garradd.
Measurer R. H. McNaught. 1.0-m reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
960527 413 0.46+ 0.09+ 960528 413 0.47+ 0.09+ MPC 21971 -1.1 day
Orbital elements:
1987 QX
Id. R. H. McNaught (1996 observations)
Epoch 1996 Apr. 27.0 TT = JDT 2450200.5 Williams
M 307.54476 (2000.0) P Q
n 0.21201527 Peri. 12.53025 +0.98964192 -0.14225079
a 2.7854239 Node 355.51091 +0.10088366 +0.78491601
e 0.4626715 Incl. 14.29708 +0.10213406 +0.60305189
P 4.65 H 15.5 G 0.15 U 3
Residuals in seconds of arc
870824 675 0.2+ 0.4- 870920 675 0.6+ 0.9+ 880212 691 (3.7- 0.3-)
870824 675 0.6+ 0.2- 880112 688 0.5- 0.1+ 960527 413 0.5+ 0.1+
870826 675 1.5- 1.4+ 880112 688 0.5- 0.2+ 960528 413 0.4- 0.6+
870826 675 1.6- 1.4- 880112 688 0.4- 0.4+ 960528 413 0.3- 0.1-
870920 675 1.6+ 0.4- 880212 691 0.2- 0.4-
Ephemeris:
1987 QX a,e,i = 2.79, 0.46, 14 q = 1.4967
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1996 06 26 18 52.14 -48 21.3 1.249 2.209 154.2 11.5 18.4
1996 07 06 18 37.26 -48 43.0 1.197 2.156 153.5 12.1 18.3
1996 07 16 18 22.04 -48 25.8 1.167 2.102 148.5 14.6 18.3
1996 07 26 18 09.05 -47 30.2 1.157 2.049 141.0 18.2 18.3
1996 08 05 18 00.31 -46 04.1 1.164 1.996 132.6 22.0 18.4
1996 08 15 17 56.81 -44 18.2 1.185 1.943 124.1 25.6 18.5
1996 08 25 17 58.73 -42 22.0 1.217 1.892 116.0 28.7 18.6
1996 09 04 18 05.62 -40 21.6 1.255 1.842 108.5 31.3 18.7
1996 09 14 18 16.84 -38 19.1 1.299 1.794 101.5 33.3 18.7
1996 09 24 18 31.72 -36 14.2 1.344 1.748 95.1 34.9 18.8
1996 10 04 18 49.57 -34 04.9 1.391 1.704 89.4 35.9 18.8
1996 10 14 19 09.80 -31 48.5 1.438 1.663 84.1 36.6 18.9
1996 10 24 19 31.92 -29 22.2 1.485 1.626 79.3 36.9 18.9
1996 11 03 19 55.44 -26 44.1 1.531 1.592 74.9 37.0 18.9
1996 11 13 20 19.98 -23 52.4 1.578 1.563 70.8 36.7 19.0
1996 11 23 20 45.25 -20 46.8 1.624 1.539 67.2 36.3 19.0
1996 12 03 21 10.95 -17 27.6 1.671 1.520 63.8 35.6 19.0
1996 12 13 21 36.95 -13 56.1 1.720 1.506 60.7 34.7 19.0
1996 12 23 22 03.12 -10 14.3 1.771 1.499 57.8 33.7 19.0
1997 01 02 22 29.38 -06 25.0 1.825 1.497 55.0 32.6 19.1
1997 01 12 22 55.74 -02 31.2 1.882 1.502 52.5 31.3 19.1
1997 01 22 23 22.19 +01 23.6 1.944 1.512 50.0 29.9 19.1
1997 02 01 23 48.78 +05 15.9 2.009 1.529 47.6 28.4 19.2
1997 02 11 00 15.57 +09 02.2 2.078 1.551 45.2 26.9 19.2
1997 02 21 00 42.60 +12 39.2 2.152 1.577 42.8 25.2 19.3
1997 03 03 01 09.90 +16 03.8 2.230 1.609 40.4 23.5 19.4
1997 03 13 01 37.51 +19 13.5 2.311 1.645 37.9 21.8 19.5
1997 03 23 02 05.42 +22 06.1 2.395 1.684 35.3 20.0 19.5
1997 04 02 02 33.60 +24 39.7 2.481 1.726 32.7 18.2 19.6
Gareth V. Williams (C) Copyright 1996 MPC M.P.E.C. 1996-M07
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