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    • MPEC 2018-S58 : 2018 SS1

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    M.P.E.C. 2018-S58                                Issued 2018 Sept. 23, 21:18 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 SS1

Observations:
     K18S01S* C2018 09 22.22155 19 28 07.89 +55 25 41.1          19.1 GVES058G96
     K18S01S  C2018 09 22.24434 19 28 40.93 +55 22 50.2          18.8 GVES058G96
     K18S01S  C2018 09 22.26032 19 29 04.20 +55 20 50.5          19.5 GVES058G96
     K18S01S  C2018 09 22.36636 19 31 46.10 +55 06 45.3          18.9 GVES058G96
     K18S01S  C2018 09 22.36659 19 31 46.49 +55 06 42.5                VES058G96
     K18S01S  C2018 09 22.36705 19 31 47.20 +55 06 39.1                VES058G96
     K18S01S KC2018 09 22.91024 19 47 22.53 +53 50 14.2          18.4  VES058104
     K18S01S KC2018 09 22.91443 19 47 29.79 +53 49 30.5          18.4  VES058104
     K18S01S KC2018 09 22.91862 19 47 37.14 +53 48 46.9          19.0  VES058104
     K18S01S KC2018 09 22.99143519 49 47.56 +53 35 35.7          19.2 RqES058K63
     K18S01S KC2018 09 22.99380819 49 51.92 +53 35 10.1          19.2 RqES058K63
     K18S01S KC2018 09 22.99631919 49 56.41 +53 34 41.2          19.4 RqES058K63
     K18S01S KC2018 09 23.07033619 52 31.62 +53 23 44.1          18.6 VqES058W34
     K18S01S KC2018 09 23.08547519 52 58.57 +53 20 57.1          18.7 VqES058W34
     K18S01S KC2018 09 23.76667220 16 48.42 +50 47 43.5          19.0 GVES058L01
     K18S01S KC2018 09 23.76746720 16 50.15 +50 47 30.8          18.8 GVES058L01
     K18S01S KC2018 09 23.76824520 16 51.84 +50 47 18.0          18.7 GVES058L01
     K18S01S KC2018 09 23.80017820 18 05.26 +50 37 58.7          19.3 GVES058J95
     K18S01S KC2018 09 23.80540320 18 16.71 +50 36 33.2          18.8 GVES058J95
     K18S01S KC2018 09 23.80899220 18 24.54 +50 35 33.2          18.5 GVES058J95

Observer details:
104 San Marcello Pistoiese.  Observers P. Bacci, M. Maestripieri, M. D. Grazia.
    Measurers P. Bacci, L. Tesi, G. Fagioli.  0.60-m reflector + CCD.
G96 Mt. Lemmon Survey.  Observers H. Groeller, R. A. Kowalski.  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.
J95 Great Shefford.  Observer P. Birtwhistle.  0.41-m f/6.3 Schmidt-Cassegrain
    + CCD.
K63 G. Pascoli Observatory, Castelvecchio Pascoli.  Observer R. Bacci.  0.41-m
    f/3.2 Newtonian reflector + CCD.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
    + CCD.
W34 Squirrel Valley Observatory, Columbus.  Observer R. L. Flynn.  0.2-m f/7.0
    Schmidt-Cassegrain + CCD.

Orbital elements:
2018 SS1                                                 Earth MOID = 0.0156 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
M 266.91986              (2000.0)            P               Q
n   0.52747713     Peri.  166.65447     +0.98485085     +0.17120220
a   1.5170514      Node   183.82445     -0.17081862     +0.98517674
e   0.3329091      Incl.   24.38957     +0.02982948     -0.01079777
P   1.87           H   23.8           G   0.15           U   7
Residuals in seconds of arc
180922 G96  0.2-  0.3+    180922 104  0.5-  0.1-    180923 L01  0.1-  0.2+
180922 G96  0.7+  1.2-    180922 104  0.3-  0.4+    180923 L01  0.1+  0.3+
180922 G96  0.2-  0.2+    180922 K63  0.4+  0.0     180923 L01  0.3+  0.1+
180922 G96  0.4-  0.4+    180922 K63  0.6+  1.0+    180923 J95  0.3-  0.4-
180922 G96  0.2-  0.5-    180922 K63  0.4-  0.2+    180923 J95  0.1+  0.3+
180922 G96  0.4-  0.1-    180923 W34  0.5+  0.1+    180923 J95  0.1+  0.2-
180922 104  0.0   0.4-    180923 W34  0.8+  0.3+

Ephemeris:
2018 SS1                 a,e,i = 1.52, 0.33, 24                  q = 1.0120
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 08 24    17 11 46.3 +59 46 37   0.2667  1.0357    87.8    77.3    23.7
...
2018 09 08    17 30 50.9 +59 48 31   0.1560  1.0147    88.2    83.0    22.7
...
2018 09 16    18 03 37.8 +59 19 36   0.09291 1.0120    91.4    83.4    21.6
...
2018 09 22    19 22 48.4 +55 48 42   0.04554 1.0140   101.7    75.8    19.8
2018 09 23    19 50 19.8 +53 35 07   0.03801 1.0147   106.0    71.9    19.2
2018 09 24    20 25 46.7 +49 39 21   0.03082 1.0155   112.5    65.9    18.6
...
2018 09 30    01 22 52.2 -41 19 58   0.02903 1.0220   134.1    44.8    17.9
...
2018 10 08    03 21 56.6 -56 03 01   0.09119 1.0357   111.1    64.2    20.9
...
2018 10 23    03 55 37.0 -57 02 31   0.2105  1.0753   106.9    62.3    22.8

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-S58

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