MPEC 2017-Q136: 2017 QJ18
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M.P.E.C. 2017-Q136 Issued 2017 Aug. 28, 16:09 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. They are published
on behalf of Division F of the International Astronomical Union by the
Minor Planet Center, Smithsonian Astrophysical Observatory,
Cambridge, MA 02138, U.S.A.
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2017 QJ18
Observations:
K17Q18J* C2017 08 24.57133 01 29 30.428-08 00 34.67 20.6 wLEQ136F51
K17Q18J C2017 08 24.58428 01 29 32.769-08 00 44.26 20.8 wLEQ136F51
K17Q18J C2017 08 24.59729 01 29 35.126-08 00 53.80 20.7 wLEQ136F51
K17Q18J C2017 08 25.03830 01 30 58.89 -08 06 28.5 20.8 VSEQ136033
K17Q18J C2017 08 25.04059 01 30 59.29 -08 06 30.2 21.2 VSEQ136033
K17Q18J C2017 08 25.04289 01 30 59.72 -08 06 32.1 21.0 VSEQ136033
K17Q18J C2017 08 25.11892 01 31 13.84 -08 07 29.9 20.5 VSEQ136033
K17Q18J KC2017 08 25.34777001 31 57.59 -08 10 20.8 20.3 VuEQ136H21
K17Q18J KC2017 08 25.35540601 31 59.01 -08 10 26.8 20.4 VuEQ136H21
K17Q18J KC2017 08 25.36503501 32 00.78 -08 10 34.0 20.4 VuEQ136H21
K17Q18J KC2017 08 26.33750201 35 08.07 -08 23 06.8 20.6 VuEQ136H21
K17Q18J KC2017 08 26.34359801 35 09.20 -08 23 11.4 20.7 VuEQ136H21
K17Q18J KC2017 08 26.34969301 35 10.34 -08 23 16.5 20.7 VuEQ136H21
K17Q18J KC2017 08 27.33388201 38 23.09 -08 36 25.8 20.9 VuEQ136H21
K17Q18J KC2017 08 27.33912601 38 24.13 -08 36 29.8 20.2 VuEQ136H21
K17Q18J KC2017 08 27.34427801 38 25.10 -08 36 33.8 20.5 VuEQ136H21
K17Q18J KC2017 08 28.42783 01 42 00.86 -08 51 35.7 19.3 RqEQ136734
K17Q18J KC2017 08 28.43097 01 42 01.48 -08 51 38.1 19.2 RqEQ136734
K17Q18J KC2017 08 28.43411 01 42 02.10 -08 51 41.7 19.7 RqEQ136734
K17Q18J C2017 08 28.43726 01 42 02.96 -08 51 42.0 20.4 VqEQ136I52
K17Q18J C2017 08 28.43802 01 42 03.13 -08 51 42.4 20.0 VqEQ136I52
K17Q18J C2017 08 28.43879 01 42 03.26 -08 51 43.2 20.4 VqEQ136I52
K17Q18J C2017 08 28.44040 01 42 03.68 -08 51 43.5 20.0 VqEQ136I52
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers C. Hoegner,
B. Stecklum. Measurer B. Stecklum. 1.34-m f/3 Schmidt + CCD.
734 Farpoint Observatory. Observer G. Hug. 0.69-m reflector + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, T. Lowe, A. Schultz,
M. Willman. Measurers K. Chambers, S. Chastel, L. Denneau, H. Flewelling,
M. Huber, E. Lilly, E. Magnier, R. Wainscoat, C. Waters, R. Weryk. 1.8-m
Ritchey-Chretien + CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes. 0.76-m f/3.0
astrograph + CCD, 0.81-m f/4.0 astrograph + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer R. G. Matheny.
Measurers E. J. Christensen, D. C. Fuls, A. R. Gibbs, A. D. Grauer,
J. A. Johnson, R. A. Kowalski, S. M. Larson, G. J. Leonard, R. G. Matheny,
R. L. Seaman, F. C. Shelly. 1.0-m reflector + CCD.
Orbital elements:
2017 QJ18 Earth MOID = 0.2133 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5 MPC
M 348.22342 (2000.0) P Q
n 0.19616651 Peri. 279.30246 +0.61709920 -0.77557053
a 2.9335004 Node 131.72984 +0.77363822 +0.56711174
e 0.6249939 Incl. 10.26282 +0.14377926 +0.27726275
P 5.02 H 19.9 G 0.15 U 8
Residuals in seconds of arc
170824 F51 0.2+ 0.0 170825 H21 0.5- 0.4- 170828 734 0.4- 0.3-
170824 F51 0.1+ 0.0 170825 H21 0.6- 0.2- 170828 734 0.3- 0.1-
170824 F51 0.0 0.0 170826 H21 0.6+ 0.1- 170828 734 0.2- 1.0-
170825 033 0.1- 0.2+ 170826 H21 0.3+ 0.1+ 170828 I52 0.3- 0.1-
170825 033 0.4- 0.3+ 170826 H21 0.2+ 0.2- 170828 I52 0.0 0.2+
170825 033 0.4- 0.1+ 170827 H21 0.1- 0.0 170828 I52 0.3- 0.0
170825 033 0.1+ 0.4- 170827 H21 0.4+ 0.3+ 170828 I52 1.3+ 1.1+
170825 H21 0.6- 0.2- 170827 H21 0.1+ 0.5+
Ephemeris:
2017 QJ18 a,e,i = 2.93, 0.62, 10 q = 1.1001
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2017 07 29 00 20 56.6 -05 02 38 0.8165 1.6111 122.8 32.0 21.9
...
2017 08 13 00 56 27.7 -06 08 42 0.6341 1.4942 128.7 31.9 21.1
...
2017 08 21 01 18 38.6 -07 19 30 0.5504 1.4340 131.0 32.2 20.7
...
2017 08 27 01 37 16.9 -08 31 41 0.4944 1.3904 131.9 32.7 20.5
2017 08 28 01 40 35.0 -08 45 22 0.4857 1.3832 132.0 32.9 20.4
2017 08 29 01 43 56.8 -08 59 30 0.4772 1.3762 132.1 33.0 20.4
...
2017 09 04 02 05 29.0 -10 33 57 0.4295 1.3347 132.0 34.2 20.1
...
2017 09 12 02 38 15.0 -13 02 30 0.3762 1.2826 130.4 36.7 19.8
...
2017 09 27 03 52 42.4 -18 04 46 0.3088 1.1980 122.8 44.7 19.5
A. U. Tomatic (C) Copyright 2017 MPC M.P.E.C. 2017-Q136
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