MPEC 2019-F78 : 2017 QM18
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M.P.E.C. 2019-F78 Issued 2019 Mar. 26, 02:21 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
Revision to MPEC 2017-Q139
Additional Observations:
K17Q18M C2012 12 12.56169706 41 53.805+06 54 09.46 22.3 GVEF078F51
K17Q18M C2014 06 11.26692211 03 44.155-28 18 05.82 20.1 GVEF078F51
K17Q18M C2014 06 11.27422711 03 45.332-28 17 50.59 20.3 GVEF078F51
K17Q18M C2014 06 11.28149611 03 46.540-28 17 35.43 20.4 GVEF078F51
K17Q18M C2014 06 11.28876611 03 47.747-28 17 20.31 20.6 GVEF078F51
K17Q18M C2014 06 20.25178511 30 19.848-23 04 59.39 21.6 GVEF078F51
K17Q18M C2016 02 06.36009505 51 19.313+02 11 38.09 22.7 GVEF078F51
K17Q18M C2016 02 06.37088705 51 18.925+02 11 38.62 22.8 GVEF078F51
K17Q18M C2017 01 13.56519611 58 00.084-44 17 52.94 22.8 GVEF078F51
K17Q18M C2017 01 13.57294511 58 00.384-44 18 03.35 22.2 GVEF078F51
K17Q18M C2017 01 13.58069211 58 00.753-44 18 13.77 21.4 GVEF078F51
K17Q18M C2017 01 13.58844911 58 01.210-44 18 23.79 21.7 GVEF078F51
K17Q18M C2017 09 03.25961016 24 35.826+27 27 47.05 20.8 GVEF078F51
K17Q18M C2017 09 03.29395316 24 42.486+27 28 13.54 20.5 GVEF078F51
K17Q18M C2017 12 23.24282622 53 26.323+24 27 59.46 21.7 GVEF078F51
K17Q18M C2017 12 23.25372722 53 28.222+24 27 56.69 21.7 GVEF078F51
K17Q18M C2018 01 01.21599423 19 03.029+23 56 51.16 22.3 GVEF078F51
K17Q18M C2018 01 01.23794723 19 06.622+23 56 47.57 21.6 GVEF078F51
K17Q18M C2018 01 01.24926923 19 08.496+23 56 44.99 22.1 GVEF078F51
K17Q18M C2018 01 01.26059223 19 10.382+23 56 43.22 22.4 GVEF078F51
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe,
E. Magnier, A. Schultz, M. Willman. Measurers S. Chastel, M. Huber,
Y. Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
121212 F51 0.05- 0.03+ 180101 F51 0.4+ 0.1- MPO428360 -0.18 day
Orbital elements:
2017 QM18 Earth MOID = 0.1431 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 209.67429 (2000.0) P Q
n 0.33253969 Peri. 30.20331 +0.21692872 +0.80876361
a 2.0633539 Node 257.32709 -0.96960806 +0.11360466
e 0.4595669 Incl. 34.07764 -0.11314653 +0.57705754
P 2.96 H 18.5 G 0.15 U 1
Residuals in seconds of arc
121212 F51 0.2- 0.0 170827 J95 0.4- 0.2- 170921 204 0.6- 0.7-
140611 F51 0.3+ 0.1- 170827 J95 0.1+ 0.2- 170921 204 0.2+ 0.4+
140611 F51 0.1- 0.1- 170827 033 0.2- 0.2- 170923 H21 0.2- 0.5+
140611 F51 0.1+ 0.1- 170827 033 0.2- 0.3- 170923 H21 0.3- 0.1+
140611 F51 0.2+ 0.2- 170828 H01 0.0 0.2- 170923 H21 0.2- 0.3+
140620 F51 0.3- 0.0 170828 H01 0.0 0.2- 170924 H21 0.2+ 0.1+
160206 F51 0.4- 0.0 170828 H01 0.0 0.1- 170924 H21 0.3+ 0.5+
160206 F51 0.4- 0.2+ 170828 H01 0.0 0.2- 170924 H21 0.3- 0.2+
170113 F51 0.5+ 0.3- 170830 H21 0.3- 0.0 170926 H21 0.4- 0.1-
170113 F51 0.2- 0.4- 170830 H21 0.2+ 0.1+ 170926 H21 0.6- 0.3+
170113 F51 0.3- 0.5- 170830 691 (1.6+ 0.4+) 170927 291 0.3+ 0.2+
170113 F51 0.6+ 0.2- 170830 691 1.4+ 0.7+ 170927 291 0.0 0.1+
170825 F51 0.1- 0.1- 170830 691 (1.9+ 0.6+) 170927 291 0.0 0.2+
170825 F51 0.1- 0.1+ 170903 F51 0.4- 0.4- 171012 691 1.2+ 0.6+
170825 F51 0.0 0.1+ 170903 F51 0.2- 0.3- 171012 691 1.3+ 0.1+
170826 H21 0.0 0.4- 170911 H21 0.4- 0.9- 171016 691 0.6+ 0.1+
170826 H21 0.0 0.2- 170911 H21 0.5- 0.7- 171016 691 0.7+ 0.3+
170826 H21 0.1- 0.1- 170918 691 0.2- 0.2- 171016 691 0.5+ 0.1+
170826 H36 0.1+ 0.6- 170918 691 0.6- 0.2+ 171126 291 0.8+ 0.5+
170826 H36 0.7+ 0.7- 170918 691 0.3- 0.2+ 171126 291 1.4+ 0.3+
170826 H36 0.3+ 0.1- 170919 691 0.3+ 0.1+ 171126 291 1.0+ 0.2+
170826 568 0.0 0.2- 170919 691 0.3+ 0.1+ 171127 291 1.3+ 0.1+
170826 568 0.0 0.2- 170919 691 0.0 0.0 171127 291 0.8+ 0.4+
170826 568 0.0 0.2- 170920 H21 0.4- 0.2- 171127 291 0.6+ 0.1+
170827 033 0.2+ 0.3- 170920 H21 0.0 0.1+ 171223 F51 0.1- 0.0
170827 104 0.3+ 0.5+ 170920 H21 0.5- 0.4- 171223 F51 0.1- 0.1-
170827 033 0.1- 0.4- 170921 H21 0.1+ 0.5+ 180101 F51 0.1- 0.2-
170827 033 0.2+ 0.0 170921 H21 0.1+ 0.7+ 180101 F51 0.4- 0.2+
170827 104 0.2+ 0.1- 170921 F51 0.2- 0.1- 180101 F51 0.3- 0.3-
170827 033 0.3+ 0.1- 170921 F51 0.0 0.1- 180101 F51 0.1- 0.0
170827 J95 0.1+ 0.2- 170921 F51 0.2- 0.0
Ephemeris:
2017 QM18 a,e,i = 2.06, 0.46, 34 q = 1.1151
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 02 24 05 52 15.1 +01 19 11 2.5017 3.0061 111.3 17.9 23.8
...
2019 03 11 05 52 58.4 +01 55 52 2.6994 2.9982 97.7 19.2 24.0
...
2019 03 19 05 55 27.2 +02 15 55 2.8071 2.9927 90.9 19.4 24.1
...
2019 03 25 05 58 08.8 +02 30 12 2.8871 2.9879 86.0 19.4 24.2
2019 03 26 05 58 39.6 +02 32 29 2.9004 2.9870 85.2 19.4 24.2
2019 03 27 05 59 11.5 +02 34 45 2.9136 2.9862 84.4 19.4 24.2
...
2019 04 02 06 02 44.4 +02 47 33 2.9918 2.9806 79.7 19.3 24.2
...
2019 04 10 06 08 21.8 +03 02 13 3.0927 2.9724 73.8 18.9 24.3
...
2019 04 25 06 21 14.3 +03 20 14 3.2672 2.9544 63.3 17.7 24.3
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-F78
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