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    • MPEC 2017-N39 : 2017 MS8

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    M.P.E.C. 2017-N39                                Issued 2017 July 2, 21:40 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 MS8

Observations:
     K17M08S* C2017 06 30.24245 16 17 16.85 -05 42 21.9          20.0 VqEN039G96
     K17M08S  C2017 06 30.24664 16 17 15.16 -05 41 29.2          20.2 VqEN039G96
     K17M08S  C2017 06 30.25086 16 17 13.47 -05 40 37.0          20.5 VqEN039G96
     K17M08S  C2017 06 30.28813 16 16 58.47 -05 32 56.3          20.5 VqEN039I52
     K17M08S  C2017 06 30.28933 16 16 57.99 -05 32 41.2          20.2 VqEN039I52
     K17M08S  C2017 06 30.29173 16 16 57.09 -05 32 10.0                qEN039I52
     K17M08S  C2017 06 30.34225 16 16 36.97 -05 21 47.7          20.9 VqEN039I52
     K17M08S  C2017 06 30.34345 16 16 36.50 -05 21 32.7          20.3 VqEN039I52
     K17M08S  C2017 06 30.34468 16 16 36.00 -05 21 17.4          20.8 VqEN039I52
     K17M08S  C2017 06 30.34588 16 16 35.50 -05 21 02.3          20.6 VqEN039I52
     K17M08S |C2017 07 01.02961 16 12 30.88 -03 02 21.1          20.7 VuEN039807
     K17M08S |C2017 07 01.03068 16 12 30.47 -03 02 08.9          20.7 VuEN039807
     K17M08S |C2017 07 01.03230 16 12 29.85 -03 01 49.6          20.7 VuEN039807
     K17M08S  C2017 07 01.20777 16 11 26.23 -02 28 45.9          20.6 VqEN039I52
     K17M08S  C2017 07 01.21066 16 11 25.15 -02 28 12.2          20.9 VqEN039I52
     K17M08S  C2017 07 01.21212 16 11 24.57 -02 27 55.1          20.4 VqEN039I52
     K17M08S  C2017 07 02.18858 16 05 56.05 +00 35 54.9          20.8 VqEN039I52
     K17M08S  C2017 07 02.19003 16 05 55.54 +00 36 10.7          20.3 VqEN039I52
     K17M08S  C2017 07 02.19147 16 05 55.04 +00 36 26.4          20.8 VqEN039I52
     K17M08S  C2017 07 02.19514 16 05 53.77 +00 37 05.7          19.6 VqEN039I52
     K17M08S KC2017 07 02.23288316 05 39.31 +00 43 50.7          20.7 VuEN039H21
     K17M08S KC2017 07 02.24218616 05 36.13 +00 45 32.0          20.8 VuEN039H21
     K17M08S KC2017 07 02.24859116 05 33.94 +00 46 41.6          20.3 VuEN039H21

Observer details:
807 Cerro Tololo.  Observers T. Linder, R. Holmes.  0.61-m f/6.5 astrograph
    + CCD.
G96 Mt. Lemmon Survey.  Observer R. G. Matheny.  Measurers E. J. Christensen,
    D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson, R. A. Kowalski,
    S. M. Larson, G. J. Leonard, R. G. Matheny, R. L. Seaman, F. C. Shelly.
    1.5-m reflector + 10K CCD.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  0.76-m f/3.0
    astrograph + CCD, 1.3-m f/4.0 astrograph + CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observers R. A. Kowalski,
    D. C. Fuls.  Measurers E. J. Christensen, D. C. Fuls, A. R. Gibbs,
    A. D. Grauer, J. A. Johnson, R. A. Kowalski, S. M. Larson, G. J. Leonard,
    R. G. Matheny, R. L. Seaman, F. C. Shelly.  1.0-m reflector + CCD.

Orbital elements:
2017 MS8                                                 Earth MOID = 0.0991 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
M 291.44733              (2000.0)            P               Q
n   1.14195235     Peri.  160.67052     +0.25115578     -0.83465614
a   0.9065061      Node   272.25075     +0.81090126     +0.45795431
e   0.2580745      Incl.   29.37686     +0.52854510     -0.30598526
P   0.86           H   23.4           G   0.15           U   7
Residuals in seconds of arc
170630 G96  0.3-  0.5-    170630 I52  0.1-  0.2-    170702 I52  0.3+  0.1+
170630 G96  0.2-  0.3+    170630 I52  0.5-  0.1+    170702 I52  0.2+  0.1+
170630 G96  0.0   0.2+    170701 807  0.0   0.2+    170702 I52  0.3+  0.0
170630 I52  0.1+  0.4-    170701 807  0.0   0.3-    170702 I52  0.4+  0.7-
170630 I52  0.1+  0.2-    170701 807  0.1-  0.1-    170702 H21  0.2-  0.1+
170630 I52  1.0+  1.4+    170701 I52  0.2-  0.0     170702 H21  0.2-  0.2+
170630 I52  0.1+  0.5-    170701 I52  0.1-  0.0     170702 H21  0.4-  0.2+
170630 I52  0.2+  0.3-    170701 I52  0.5-  0.0

Ephemeris:
2017 MS8                 a,e,i = 0.91, 0.26, 29                  q = 0.6726
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2017 06 02    21 22 43.9 -63 35 16   0.2282  1.1400   118.2    51.6    22.4
...
2017 06 17    18 31 52.6 -51 18 59   0.1294  1.1303   150.4    26.3    20.4
...
2017 06 25    16 57 56.7 -25 35 52   0.1078  1.1197   162.4    15.9    19.7
...
2017 07 01    16 12 39.9 -03 08 54   0.1189  1.1094   139.2    36.8    20.5
2017 07 02    16 06 57.6 +00 01 51   0.1227  1.1075   135.4    40.1    20.7
2017 07 03    16 01 41.4 +02 59 43   0.1270  1.1055   131.9    43.2    20.8
...
2017 07 09    15 37 30.1 +16 34 51   0.1594  1.0924   114.5    57.9    21.7
...
2017 07 17    15 18 32.9 +26 52 02   0.2113  1.0718    99.5    69.2    22.6
...
2017 08 01    15 02 06.7 +35 58 20   0.3103  1.0241    82.9    79.6    23.7

A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-N39

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