[Iaude] MPEC P53: 2017 QY34 [a=0.81,e=0.41,i=27.2,H=20.9,PHA]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Sat Aug 11 07:41:17 EDT 2018


M.P.E.C. 2018-P53                                Issued 2018 Aug. 11, 11:38 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 QY34
 
                           Revision to MPEC 2017-R08
 
Additional Observations:
     K17Q34Y  C2018 07 19.61573603 32 39.264+35 49 17.12         23.68GVEP053T14
     K17Q34Y  C2018 07 19.61761503 32 39.647+35 49 20.01         23.67GVEP053T14
     K17Q34Y  C2018 07 19.61948503 32 40.011+35 49 22.90         23.29GVEP053T14
     K17Q34Y  C2018 08 10.61566105 00 45.359+44 18 14.22         23.76GVEP053T12
 
Observer details:
T12 Mauna Kea-UH/Tholen NEO Follow-Up (2.24-m).  Observer D. J. Tholen.
    2.24-m f/10.1 reflector + CCD.
T14 Mauna Kea-UH/Tholen NEO Follow-Up (CFHT).  Observer L. Wells.  Measurer
    D. J. Tholen.  3.6-m f/4.1 reflector + MegaCam.
 
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
180719 T14 33.5+  7.8-    180810 T12 43.4+ 25.1-    MPO423867   -0.020 day
 
Orbital elements:
2017 QY34                                           PHA, Earth MOID = 0.0326 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
M  21.30638              (2000.0)            P               Q
n   1.34367764     Peri.  222.71986     -0.94133430     +0.23918766
a   0.8133410      Node   328.63263     +0.00167085     -0.70214231
e   0.4149323      Incl.   27.21774     -0.33747139     -0.67066045
P   0.73           H   20.9           G   0.15           U   3
Residuals in seconds of arc
170830 T05  0.3+  0.3+    170831 P93  0.4+  0.5-    170905 204  0.1+  0.3+
170830 T05  0.5-  0.3-    170831 P93  0.2+  0.1+    170905 204  0.2-  0.1+
170830 T05  0.6-  0.0     170831 P93  0.0   0.3-    170906 H21  0.4-  0.5-
170830 T05  0.3+  0.3-    170831 P93  0.3+  0.2-    170906 H21  0.2-  0.3-
170830 T05  0.1+  0.2+    170831 900  0.5-  0.1+    170906 H21  0.3-  0.2-
170830 L04  0.1+  0.5-    170831 900  0.8+  0.1+    170910 H21  0.0   0.1+
170830 L04  0.1-  0.3-    170831 K88  0.0   0.4+    170910 H21  0.2+  0.1-
170830 L04  0.2+  0.0     170831 K88  0.2-  0.2+    170910 H21  0.1-  0.1+
170830 104  0.2-  0.1-    170831 K88  0.5-  0.4+    170911 H21  0.1-  0.6-
170830 104  0.3-  0.2-    170831 J95  0.1+  0.1-    170911 H21  0.1-  0.0
170830 104  0.4-  0.0     170831 J95  0.1+  0.1+    170911 H21  0.3-  0.2-
170830 595  0.2-  0.2+    170831 J95  0.1-  0.1-    170913 754  0.1-  0.0
170830 595  0.1+  0.3+    170901 G48  0.3+  0.1+    170913 754  0.0   0.1+
170830 J95  0.1-  0.1-    170901 291  0.3+  0.1+    170915 H21  0.3+  0.2+
170830 J95  0.1-  0.2+    170901 291  0.3+  0.3+    170915 H21  0.1+  0.0
170830 J95  0.0   0.2-    170901 G48  0.6-  0.0     170915 H21  0.0   0.2-
170830 J69  0.5+  0.5+    170901 291  0.0   0.2+    170916 I52  0.1-  0.7-
170830 J69  0.4+  0.1-    170901 G48  0.6+  0.6+    170916 I52  0.4-  0.3-
170830 J69  0.9+  0.2+    170901 G96  0.0   0.1+    170916 I52  0.6-  0.0
170831 I52  0.2-  0.0     170901 G96  0.1-  0.0     170916 I52  0.1-  0.2+
170831 I52  0.4-  0.1-    170901 G96  0.0   0.0     170921 I52  0.3-  0.1-
170831 I52  0.1-  0.0     170901 G96  0.3+  0.0     170921 I52  0.0   0.3+
170831 I52  0.0   0.0     170901 T08  0.1+  0.1-    170928 I52  0.4+  0.3-
170831 H01  0.2-  0.1-    170901 T08  0.0   0.3-    170928 I52  0.1-  0.3-
170831 H01  0.1-  0.1+    170901 T08  0.1+  0.1+    170928 I52  0.6-  0.4+
170831 H01  0.1-  0.0     170901 T08  0.1-  0.4-    170928 I52  0.3+  0.0
170831 H01  0.1-  0.0     170903 H21  0.2-  0.4-    171029 695  0.2+  0.3+
170831 F51  0.1-  0.2+    170903 H21  0.2-  0.4-    171029 695  0.1+  0.3+
170831 F51  0.2-  0.2+    170903 H21  0.2-  0.7-    180719 T14  0.1+  0.1+
170831 F51  0.2-  0.1+    170903 H21  0.2-  0.4-    180719 T14  0.1+  0.0
170831 Q62  0.4+  0.1+    170905 J95  0.1+  0.3+    180719 T14  0.0   0.1-
170831 Q62  1.1+  0.4-    170905 J95  0.2+  0.2-    180810 T12  0.1-  0.0
170831 Q62  0.3+  0.6-    170905 J95  0.1+  0.1+
170831 P93  0.0   0.4-    170905 J95  0.1-  0.2+

Ephemeris:
2017 QY34                a,e,i = 0.81, 0.41, 27                  q = 0.4759
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 07 12    03 08 01.4 +32 25 38   1.3232  1.1485    57.0    47.9    23.6
...
2018 07 27    03 59 02.6 +38 56 36   1.2519  1.1479    59.8    49.8    23.5
...
2018 08 04    04 31 05.2 +42 02 57   1.2116  1.1391    60.8    51.0    23.5
...
2018 08 10    04 57 51.3 +44 06 31   1.1811  1.1286    61.3    52.0    23.4
2018 08 11    05 02 33.7 +44 25 24   1.1760  1.1265    61.4    52.2    23.4
2018 08 12    05 07 20.5 +44 43 43   1.1710  1.1243    61.5    52.4    23.4
...
2018 08 18    05 37 33.2 +46 20 35   1.1409  1.1093    61.7    53.5    23.4
...
2018 08 26    06 21 51.1 +47 46 37   1.1024  1.0839    61.5    55.1    23.3
...
2018 09 10    07 53 56.0 +47 25 11   1.0383  1.0199    59.8    58.6    23.1

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-P53



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