[Iaude] MPEC F78: 2017 QM18 [a=2.06,e=0.46,i=34.1,H=18.5]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Mon Mar 25 22:25:16 EDT 2019


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 at 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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