MPEC 2017-Q139: 2017 QM18
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M.P.E.C. 2017-Q139 Issued 2017 Aug. 28, 16:18 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 QM18
Observations:
K17Q18M* C2017 08 25.27186 15 55 15.351+25 09 25.47 20.5 wLEQ139F51
K17Q18M C2017 08 25.28415 15 55 17.691+25 09 38.50 20.7 wLEQ139F51
K17Q18M C2017 08 25.29647 15 55 20.048+25 09 51.36 20.8 wLEQ139F51
K17Q18M KC2017 08 26.07883315 57 52.67 +25 23 30.8 20.1 VuEQ139H21
K17Q18M KC2017 08 26.08662215 57 54.16 +25 23 39.0 20.2 VuEQ139H21
K17Q18M KC2017 08 26.09453815 57 55.67 +25 23 47.2 20.1 VuEQ139H21
K17Q18M KC2017 08 26.09506 15 57 55.86 +25 23 47.7 20.0 RqEQ139H36
K17Q18M KC2017 08 26.10551 15 57 57.90 +25 23 58.3 20.3 RqEQ139H36
K17Q18M KC2017 08 26.11596 15 57 59.87 +25 24 09.5 19.9 RqEQ139H36
K17Q18M _C2017 08 26.27703615 58 31.175+25 27 00.15 19.8 GUEQ139568
K17Q18M _C2017 08 26.27799015 58 31.355+25 27 01.13 19.9 GUEQ139568
K17Q18M _C2017 08 26.27894215 58 31.535+25 27 02.08 19.7 GUEQ139568
K17Q18M C2017 08 27.81399 16 03 31.21 +25 52 42.9 20.0 VSEQ139033
K17Q18M KC2017 08 27.81525 16 03 31.42 +25 52 46.2 QEQ139104
K17Q18M C2017 08 27.81628 16 03 31.63 +25 52 45.0 19.9 VSEQ139033
K17Q18M C2017 08 27.81859 16 03 32.10 +25 52 47.6 19.7 VSEQ139033
K17Q18M KC2017 08 27.81918 16 03 32.17 +25 52 49.4 20.1 QEQ139104
K17Q18M C2017 08 27.82096 16 03 32.56 +25 52 49.8 19.4 VSEQ139033
K17Q18M KC2017 08 27.85522 16 03 39.25 +25 53 23.3 UEQ139J95
K17Q18M KC2017 08 27.86575 16 03 41.24 +25 53 33.5 UEQ139J95
K17Q18M KC2017 08 27.87182 16 03 42.45 +25 53 39.4 20.1 GUEQ139J95
K17Q18M C2017 08 27.89318 16 03 46.48 +25 53 59.4 19.8 VSEQ139033
K17Q18M C2017 08 27.89549 16 03 46.93 +25 54 01.5 19.7 VSEQ139033
K17Q18M C2017 08 28.20865716 04 47.98 +25 59 10.3 20.4 GUEQ139H01
K17Q18M C2017 08 28.21326716 04 48.87 +25 59 14.6 20.3 GUEQ139H01
K17Q18M C2017 08 28.22291716 04 50.74 +25 59 23.8 20.5 GUEQ139H01
K17Q18M C2017 08 28.23047016 04 52.20 +25 59 30.9 20.3 GUEQ139H01
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers C. Hoegner,
B. Stecklum. Measurer B. Stecklum. 1.34-m f/3 Schmidt + CCD.
104 San Marcello Pistoiese. Observers P. Bacci, M. Maestripieri. Measurers
P. Bacci, L. Tesi, G. Fagioli. 0.60-m f/4 reflector + CCD.
568 Mauna Kea. Observers R. J. Wainscoat, L. Wells. Measurers M. Micheli,
R. J. Wainscoat. 3.6-m Canada-France-Hawaii Telescope + 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.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 reflector + CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes. 0.61-m f/4.5
astrograph + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2017 QM18 Earth MOID = 0.1387 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5 MPC
M 10.78502 (2000.0) P Q
n 0.35547797 Peri. 30.56381 +0.23027992 +0.80998822
a 1.9736081 Node 257.66709 -0.96653408 +0.12598342
e 0.4373554 Incl. 33.51002 -0.11306204 +0.57275410
P 2.77 H 18.6 G 0.15 U 8
Residuals in seconds of arc
170825 F51 0.0 0.1- 170826 568 0.0 0.0 170827 J95 0.1+ 0.0
170825 F51 0.0 0.1+ 170826 568 0.0 0.0 170827 J95 0.4- 0.0
170825 F51 0.0 0.1+ 170826 568 0.1- 0.0 170827 J95 0.1+ 0.0
170826 H21 0.1- 0.1- 170827 033 0.1+ 0.1- 170827 033 0.2- 0.0
170826 H21 0.1- 0.1+ 170827 104 0.3+ 0.7+ 170827 033 0.2- 0.1-
170826 H21 0.2- 0.2+ 170827 033 0.2- 0.2- 170828 H01 0.1+ 0.1-
170826 H36 0.0 0.3- 170827 033 0.2+ 0.2+ 170828 H01 0.1+ 0.2-
170826 H36 0.6+ 0.4- 170827 104 0.2+ 0.1+ 170828 H01 0.1+ 0.1-
170826 H36 0.2+ 0.1+ 170827 033 0.2+ 0.1+ 170828 H01 0.1+ 0.1-
Ephemeris:
2017 QM18 a,e,i = 1.97, 0.44, 34 q = 1.1104
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2017 07 29 14 25 54.1 +12 59 31 0.5686 1.1128 84.2 65.2 19.9
...
2017 08 13 15 15 27.6 +20 46 11 0.6387 1.1141 81.4 64.1 20.1
...
2017 08 21 15 41 24.7 +23 48 21 0.6769 1.1243 80.9 62.7 20.2
...
2017 08 27 16 00 52.6 +25 39 17 0.7050 1.1361 80.8 61.4 20.3
2017 08 28 16 04 07.7 +25 55 51 0.7096 1.1384 80.8 61.2 20.3
2017 08 29 16 07 23.2 +26 11 52 0.7141 1.1408 80.9 60.9 20.3
...
2017 09 04 16 27 02.2 +27 37 29 0.7410 1.1570 81.2 59.5 20.4
...
2017 09 12 16 53 39.3 +29 05 31 0.7753 1.1832 82.1 57.4 20.5
...
2017 09 27 17 45 36.1 +30 39 30 0.8370 1.2446 84.7 53.3 20.6
A. U. Tomatic (C) Copyright 2017 MPC M.P.E.C. 2017-Q139
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