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    • MPEC 2018-S40 : 2018 SZ

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    M.P.E.C. 2018-S40                                Issued 2018 Sept. 20, 00:43 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

                                    2018 SZ

Observations:
     K18S00Z* C2018 09 16.42637 03 19 40.06 -17 26 43.2          20.3 GVES040G96
     K18S00Z  C2018 09 16.43158 03 19 41.45 -17 27 09.2          20.7 GVES040G96
     K18S00Z  C2018 09 16.43679 03 19 42.87 -17 27 35.3          20.7 GVES040G96
     K18S00Z  C2018 09 16.44200 03 19 44.25 -17 28 01.8          20.1 GVES040G96
     K18S00Z  C2018 09 16.47769 03 19 53.94 -17 31 01.2          20.3 GVES040V06
     K18S00Z  C2018 09 16.47824 03 19 54.05 -17 31 03.7          20.5 GVES040V06
     K18S00Z  C2018 09 16.47874 03 19 54.18 -17 31 06.1          20.4 GVES040V06
     K18S00Z  C2018 09 16.47924 03 19 54.31 -17 31 08.8          20.6 GVES040V06
     K18S00Z  C2018 09 17.40367 03 24 19.65 -18 47 44.5          20.1 GVES040I52
     K18S00Z  C2018 09 17.40443 03 24 19.87 -18 47 48.5          20.0 GVES040I52
     K18S00Z  C2018 09 17.40520 03 24 20.09 -18 47 51.9          20.3 GVES040I52
     K18S00Z  C2018 09 17.40596 03 24 20.29 -18 47 56.0          20.1 GVES040I52
     K18S00Z KC2018 09 18.13152203 27 43.99 -19 47 08.9          20.5 GVES040L01
     K18S00Z KC2018 09 18.13596103 27 45.19 -19 47 31.5          20.6 GVES040L01
     K18S00Z  C2018 09 18.37729 03 28 54.50 -20 06 51.6          20.1 GVES040I52
     K18S00Z  C2018 09 18.37805 03 28 54.71 -20 06 55.4          20.0 GVES040I52
     K18S00Z  C2018 09 18.37882 03 28 54.88 -20 06 59.0          20.6 GVES040I52
     K18S00Z  C2018 09 18.37958 03 28 55.11 -20 07 02.7          20.3 GVES040I52
     K18S00Z KC2018 09 19.39377703 33 35.44 -21 27 41.0          21.1 VuES040H21
     K18S00Z KC2018 09 19.39681803 33 36.24 -21 27 55.4          21.0 VuES040H21

Observer details:
G96 Mt. Lemmon Survey.  Observer B. M. Africano.  Measurers B. M. Africano,
    E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer,
    H. Groeller, J. A. Johnson, R. A. Kowalski, S. M. Larson, G. J. Leonard,
    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.  1.3-m f/4.0
    astrograph + CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observer D. C. Fuls.  Measurers
    B. M. Africano, E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs,
    A. D. Grauer, H. Groeller, J. A. Johnson, R. A. Kowalski, S. M. Larson,
    G. J. Leonard, R. L. Seaman, F. C. Shelly.  1.0-m reflector + CCD.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
    + CCD.
V06 Catalina Sky Survey-Kuiper.  Observer D. C. Fuls.  Measurers
    B. M. Africano, E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs,
    A. D. Grauer, H. Groeller, J. A. Johnson, R. A. Kowalski, S. M. Larson,
    G. J. Leonard, R. L. Seaman, F. C. Shelly.  1.55-m reflector + CCD.

Orbital elements:
2018 SZ                                                  Earth MOID = 0.1369 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
M 244.58215              (2000.0)            P               Q
n   0.57905533     Peri.  218.30298     +0.92761663     -0.36122656
a   1.4255726      Node   162.14530     +0.37030861     +0.92268968
e   0.2229602      Incl.   18.06831     -0.04897883     +0.13475578
P   1.70           H   22.2           G   0.15           U   6
Residuals in seconds of arc
180916 G96  0.2+  0.1-    180916 V06  0.4-  0.2-    180918 I52  0.2-  0.3-
180916 G96  0.1-  0.1+    180917 I52  0.3-  0.1+    180918 I52  0.1-  0.4-
180916 G96  0.0   0.2+    180917 I52  0.1-  0.1-    180918 I52  0.6-  0.2-
180916 G96  0.4-  0.1-    180917 I52  0.1+  0.3+    180918 I52  0.2-  0.2-
180916 V06  0.3+  0.4-    180917 I52  0.1+  0.0     180919 H21  0.1-  0.1+
180916 V06  0.3-  0.1-    180918 L01  0.1-  0.6+    180919 H21  0.0   0.0
180916 V06  0.4-  0.0     180918 L01  0.1+  0.5-

Ephemeris:
2018 SZ                  a,e,i = 1.43, 0.22, 18                  q = 1.1077
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 08 21    01 07 57.9 +15 56 43   0.2384  1.1664   125.5    44.9    21.1
...
2018 09 05    02 22 08.6 -00 52 24   0.1925  1.1365   127.8    44.5    20.6
...
2018 09 13    03 02 54.1 -12 31 56   0.1877  1.1246   125.0    47.1    20.6
...
2018 09 19    03 31 46.3 -20 55 55   0.1931  1.1176   121.4    50.1    20.7
2018 09 20    03 36 21.3 -22 14 09   0.1947  1.1166   120.8    50.6    20.8
2018 09 21    03 40 51.7 -23 30 21   0.1964  1.1156   120.1    51.1    20.8
...
2018 09 27    04 06 06.0 -30 20 39   0.2096  1.1110   116.2    54.0    21.0
...
2018 10 05    04 34 18.2 -37 22 02   0.2327  1.1079   111.8    57.0    21.3
...
2018 10 20    05 09 18.4 -45 22 16   0.2819  1.1112   106.9    59.0    21.8

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-S40

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