[Iaude] MPEC F24: 2017 GQ5 [a=1.25,e=0.75,i=37.7,H=20.4]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Sat Mar 17 14:43:16 EDT 2018


M.P.E.C. 2018-F24                                Issued 2018 Mar. 17, 18:39 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 GQ5
 
                           Revision to MPEC 2017-G63
 
Additional Observations:
     K17G05Q |C2018 03 14.20102 10 24 20.12 -16 13 20.3          23.2 GUEF024807
     K17G05Q |C2018 03 14.21939 10 24 18.03 -16 12 53.3          23.2 GUEF024807
     K17G05Q |C2018 03 14.23742 10 24 16.01 -16 12 26.6          23.4 GUEF024807
     K17G05Q |C2018 03 17.21899 10 18 55.70 -14 58 34.2          23.0 GUEF024807
     K17G05Q |C2018 03 17.23423 10 18 54.07 -14 58 11.2          23.0 GUEF024807
     K17G05Q |C2018 03 17.24945 10 18 52.45 -14 57 48.2          23.0 GUEF024807
 
Observer details:
807 Cerro Tololo.  Observers T. Linder, R. Holmes.  1.00-m f/10.0 astrograph
    + CCD.
 
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
180314 807  2.6+ 12.8-    180317 807  2.8+ 12.3-    MPO413698   +0.00043 day
 
Orbital elements:
2017 GQ5                                                 Earth MOID = 0.3151 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
M 173.73467              (2000.0)            P               Q
n   0.70639043     Peri.  160.13335     +0.96545031     +0.25061061
a   1.2486465      Node   186.70614     -0.22690592     +0.94323867
e   0.7540878      Incl.   37.70127     +0.12813822     -0.21793381
P   1.40           H   20.4           G   0.15           U   4
Residuals in seconds of arc
170326 F51  0.0   0.2+    170405 J95  0.2+  0.8+    170424 691  0.6-  0.4+
170326 F51  0.1-  0.2+    170405 G96  0.1-  0.2-    170424 691  0.1-  0.4-
170326 F51  0.2-  0.0     170405 G96  0.2+  0.8-    170424 691  0.3+  0.5-
170326 F51  0.5-  0.0     170405 G96  0.5+  0.3-    170506 H21 (1.4-  6.3+)
170403 F51  0.0   0.0     170405 G96  0.1-  0.5-    170506 H21 (1.3-  6.6+)
170403 F51  0.0   0.0     170405 926  0.7+  0.0     170506 H21 (1.0-  6.2+)
170403 F51  0.1-  0.1+    170405 926  0.0   0.4-    170513 H21  0.9-  1.6+
170404 I52  0.2-  0.4-    170405 926  0.6+  0.0     170513 H21  0.6-  1.5+
170404 I52  0.5+  0.4+    170406 291  0.1+  0.0     170513 H21  0.6-  1.6+
170404 I52  0.4-  0.8+    170406 291  0.1+  0.2-    170514 H21  1.3+  0.2-
170404 568  0.0   0.2-    170406 291  0.1+  0.0     170514 H21  0.7+  0.6-
170404 568  0.0   0.3-    170415 926  0.1-  0.5-    170514 H21  0.7+  0.8-
170404 568  0.0   0.2-    170415 926  0.2-  0.3-    180314 807  0.0   0.2-
170404 926  0.0   0.8-    170415 926  0.0   0.2-    180314 807  0.2-  0.3-
170404 926  0.4+  0.3-    170417 G96  0.3+  0.7-    180314 807  0.1-  0.2-
170404 926  0.2+  0.2-    170417 G96  0.2+  0.5-    180317 807  0.2+  0.1+
170404 J95  0.1+  0.3+    170417 G96  0.5+  0.1-    180317 807  0.1+  0.2+
170405 J95  0.2-  0.0     170417 G96  0.2-  0.6-    180317 807  0.2+  0.3+

Ephemeris:
2017 GQ5                 a,e,i = 1.25, 0.75, 38                  q = 0.3071
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 02 15    11 17 53.4 -24 42 37   1.3113  2.1431   137.1    18.3    23.6
...
2018 03 02    10 48 20.6 -20 48 09   1.2450  2.1694   151.8    12.5    23.3
...
2018 03 10    10 32 18.0 -17 54 04   1.2388  2.1791   154.9    11.2    23.2
...
2018 03 16    10 21 04.8 -15 29 00   1.2488  2.1844   153.5    11.7    23.3
2018 03 17    10 19 18.9 -15 04 06   1.2517  2.1851   152.9    12.0    23.3
2018 03 18    10 17 35.0 -14 39 04   1.2549  2.1858   152.3    12.2    23.3
...
2018 03 24    10 07 59.5 -12 07 46   1.2811  2.1888   147.6    14.1    23.4
...
2018 04 01    09 57 34.9 -08 50 27   1.3332  2.1902   139.4    17.3    23.6
...
2018 04 16    09 45 48.0 -03 24 39   1.4730  2.1849   122.7    22.7    24.0

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-F24



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