• MPC Preparation (Info)

  • MPEC 2018-F138: 2018 EF9

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    M.P.E.C. 2018-F138                               Issued 2018 Mar. 28, 14:54 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 EF9
    
    Observations:
         K18E09F* C2018 03 09.29782 13 48 47.77 +41 23 37.9          20.7 GUEF138G96
         K18E09F  C2018 03 09.30302 13 48 47.70 +41 24 02.9          20.3 GUEF138G96
         K18E09F  C2018 03 09.30823 13 48 47.77 +41 24 29.6          21.0 GUEF138G96
         K18E09F  C2018 03 09.31345 13 48 47.80 +41 24 53.7          21.2 GUEF138G96
         K18E09F  C2018 03 09.38352 13 48 48.06 +41 30 34.2          20.1 GUEF138G96
         K18E09F  C2018 03 09.38472 13 48 48.00 +41 30 39.5                UEF138G96
         K18E09F  C2018 03 09.38513 13 48 48.01 +41 30 42.0                UEF138G96
         K18E09F  C2018 03 09.39403 13 48 48.04 +41 31 23.3                UEF138G96
         K18E09F  C2018 03 09.39484 13 48 48.00 +41 31 26.9          20.9 GUEF138G96
         K18E09F  C2018 03 09.39525 13 48 48.03 +41 31 30.7          20.6 GUEF138G96
         K18E09F  C2018 03 09.42215913 48 48.02 +41 33 40.0          20.4 GUEF138H01
         K18E09F  C2018 03 09.42595513 48 48.03 +41 33 58.2          20.2 GUEF138H01
         K18E09F  C2018 03 09.43807713 48 48.05 +41 34 56.8          20.9 GUEF138H01
         K18E09F  C2018 03 09.44628113 48 48.06 +41 35 36.3          20.5 GUEF138H01
         K18E09F  C2018 03 10.25133 13 48 52.59 +42 40 21.0          21.9 GUEF138G96
         K18E09F  C2018 03 10.25208 13 48 52.68 +42 40 24.9          22.0 GUEF138G96
         K18E09F  C2018 03 10.25283 13 48 52.64 +42 40 28.2          20.8 GUEF138G96
         K18E09F KC2018 03 10.36513013 48 52.44 +42 49 31.7          21.1 VuEF138H21
         K18E09F KC2018 03 10.37668713 48 52.43 +42 50 27.2          21.5 VuEF138H21
         K18E09F KC2018 03 10.39131313 48 52.44 +42 51 37.8          21.1 VuEF138H21
         K18E09F  C2018 03 10.52670 13 48 53.158+43 02 34.47         21.0 iUEF138F51
         K18E09F  C2018 03 10.53858 13 48 53.110+43 03 31.43         21.1 iUEF138F51
         K18E09F  C2018 03 13.00015 13 48 52.77 +46 21 09.9          20.5 VSEF138033
         K18E09F  C2018 03 13.00355 13 48 52.75 +46 21 26.1          20.7 VSEF138033
         K18E09F  C2018 03 13.00696 13 48 52.70 +46 21 42.6          20.6 VSEF138033
         K18E09F  C2018 03 13.01037 13 48 52.69 +46 21 58.8          20.8 VSEF138033
         K18E09F  C2018 03 13.01377 13 48 52.68 +46 22 15.3          20.7 VSEF138033
         K18E09F  C2018 03 13.01719 13 48 52.62 +46 22 31.3          20.4 VSEF138033
         K18E09F  C2018 03 13.47092 13 48 50.21 +46 58 49.8          20.1 GUEF138I52
         K18E09F  C2018 03 13.47283 13 48 50.26 +46 58 59.2          20.5 GUEF138I52
         K18E09F  C2018 03 13.47474 13 48 50.16 +46 59 07.0          20.4 GUEF138I52
         K18E09F  C2018 03 13.47664 13 48 50.24 +46 59 17.6          20.4 GUEF138I52
         K18E09F KC2018 03 13.95100 13 48 48.11 +47 37 03.9          20.6 RoEF138K88
         K18E09F KC2018 03 13.95825 13 48 48.03 +47 37 39.2          19.9 RoEF138K88
         K18E09F  C2018 03 15.06691 13 48 38.52 +49 05 39.6          21.9 VSEF138033
         K18E09F  C2018 03 15.07031 13 48 38.50 +49 05 55.8          21.4 VSEF138033
         K18E09F  C2018 03 15.07372 13 48 38.42 +49 06 12.1          21.0 VSEF138033
         K18E09F  C2018 03 15.07713 13 48 38.37 +49 06 28.0          21.0 VSEF138033
         K18E09F  C2018 03 15.08053 13 48 38.37 +49 06 44.0          21.4 VSEF138033
         K18E09F  C2018 03 15.08394 13 48 38.29 +49 07 00.1          21.4 VSEF138033
         K18E09F  C2018 03 15.08735 13 48 38.23 +49 07 16.2          21.5 VSEF138033
         K18E09F |C2018 03 15.44085 13 48 34.39 +49 35 13.4                vEF138H06
         K18E09F |C2018 03 15.44449 13 48 34.32 +49 35 30.2                vEF138H06
         K18E09F |C2018 03 15.44813 13 48 34.23 +49 35 47.2          19.3 wvEF138H06
         K18E09F  C2018 03 16.31634 13 48 23.78 +50 43 58.0          20.1 GUEF138I52
         K18E09F  C2018 03 16.32025 13 48 23.65 +50 44 17.4                UEF138I52
         K18E09F  C2018 03 16.32416 13 48 23.56 +50 44 34.8                UEF138I52
         K18E09F  C2018 03 16.32807 13 48 23.57 +50 44 53.0          20.4 GUEF138I52
         K18E09F 1C2018 03 16.34616 13 48 23.42 +50 46 16.8                 EF138658
         K18E09F 1C2018 03 16.34765 13 48 23.40 +50 46 24.0                 EF138658
         K18E09F 1C2018 03 16.34914 13 48 23.37 +50 46 31.1                 EF138658
         K18E09F  C2018 03 17.39773 13 48 06.06 +52 08 08.1          19.8 GUEF138I52
         K18E09F  C2018 03 17.39897 13 48 06.03 +52 08 14.4          20.4 GUEF138I52
         K18E09F  C2018 03 17.40168 13 48 05.93 +52 08 27.0          20.3 GUEF138I52
         K18E09F  C2018 03 17.40292 13 48 05.84 +52 08 32.0          20.6 GUEF138I52
         K18E09F  C2018 03 18.40294 13 47 45.91 +53 25 28.2          19.7 GUEF138I52
         K18E09F  C2018 03 18.40459 13 47 45.86 +53 25 35.6          21.0 GUEF138I52
         K18E09F  C2018 03 18.40625 13 47 45.84 +53 25 43.9          20.3 GUEF138I52
         K18E09F  C2018 03 18.40790 13 47 45.81 +53 25 51.6          19.9 GUEF138I52
         K18E09F  C2018 03 19.31442 13 47 24.86 +54 34 46.5                UEF138I52
         K18E09F  C2018 03 19.31566 13 47 24.91 +54 34 52.7                UEF138I52
         K18E09F  C2018 03 19.31690 13 47 24.73 +54 34 56.8                UEF138I52
         K18E09F  C2018 03 19.31814 13 47 24.71 +54 35 03.0          21.2 GUEF138I52
         K18E09F SC2018 03 19.31866 13 47 24.73 +54 35 06.1                oEF138711
         K18E09F SC2018 03 19.32183 13 47 24.43 +54 35 21.5                oEF138711
         K18E09F SC2018 03 19.32511 13 47 24.45 +54 35 36.5                oEF138711
         K18E09F  C2018 03 20.26228 13 46 59.28 +55 45 55.0          20.0 GUEF138I52
         K18E09F  C2018 03 20.26352 13 46 59.15 +55 45 59.7          20.2 GUEF138I52
         K18E09F  C2018 03 20.26476 13 46 59.11 +55 46 06.6          20.1 GUEF138I52
         K18E09F  C2018 03 20.26600 13 46 59.00 +55 46 11.4          20.3 GUEF138I52
         K18E09F KC2018 03 20.35234 13 46 56.04 +55 52 39.1                oEF138711
         K18E09F KC2018 03 20.36017 13 46 55.77 +55 53 13.7                oEF138711
         K18E09F KC2018 03 21.35039 13 46 24.19 +57 06 22.6                oEF138711
         K18E09F KC2018 03 21.35363 13 46 24.09 +57 06 36.8                oEF138711
         K18E09F KC2018 03 21.35707 13 46 23.89 +57 06 52.1                oEF138711
         K18E09F  C2018 03 22.28475 13 45 50.70 +58 14 15.4          19.9 GUEF138I52
         K18E09F  C2018 03 22.28600 13 45 50.57 +58 14 21.8          19.7 GUEF138I52
         K18E09F  C2018 03 22.28724 13 45 50.52 +58 14 26.5          19.1 GUEF138I52
         K18E09F  C2018 03 22.29040 13 45 50.34 +58 14 40.3          20.3 GUEF138I52
         K18E09F KC2018 03 23.95855 13 44 39.05 +60 13 04.2                qEF138595
         K18E09F KC2018 03 23.96912 13 44 38.54 +60 13 49.2          19.7 VqEF138595
         K18E09F  C2018 03 24.44243 13 44 15.09 +60 46 43.9          19.8 GUEF138I52
         K18E09F  C2018 03 24.44769 13 44 14.70 +60 47 06.1          19.5 GUEF138I52
         K18E09F  C2018 03 24.44894 13 44 14.61 +60 47 10.9          20.2 GUEF138I52
         K18E09F  C2018 03 27.50476 13 41 15.77 +64 11 43.0          20.4 GUEF138I52
         K18E09F  C2018 03 27.50827 13 41 15.39 +64 11 56.3          20.3 GUEF138I52
         K18E09F  C2018 03 27.51518 13 41 14.90 +64 12 22.9          20.2 GUEF138I52
         K18E09F  C2018 03 28.37144 13 40 14.28 +65 07 10.8          20.2 GUEF138I52
         K18E09F  C2018 03 28.37392 13 40 14.62 +65 07 19.0          19.8 GUEF138I52
         K18E09F  C2018 03 28.37516 13 40 14.60 +65 07 24.6          20.1 GUEF138I52
    
    Observer details:
    033 Karl Schwarzschild Observatory, Tautenburg.  Observers C. Hoegner,
        B. Stecklum, U. Laux.  Measurer B. Stecklum.  1.34-m f/3 Schmidt + CCD.
    595 Farra d'Isonzo.  Observers E. Pettarin, F. Piani.  Measurer E. Pettarin.
        0.61-m f/4.0 reflector + CCD.
    658 National Research Council of Canada.  Observer D. D. Balam.  1.82-m
        Plaskett telescope + CCD.
    711 McDonald Observatory.  Observer J. G. Ries.  2.1-m reflector + CCD + focal
        reducer.
    F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz,
        M. Willman.  Measurers K. Chambers, S. Chastel, L. Denneau, H. Flewelling,
        M. Huber, E. Magnier, Y. Ramanjooloo, R. Wainscoat, C. Waters, R. Weryk.
        1.8-m Ritchey-Chretien + CCD.
    G96 Mt. Lemmon Survey.  Observer A. R. Gibbs.  Measurers B. M. Africano,
        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. L. Seaman, F. C. Shelly.
        1.5-m reflector + 10K CCD.
    H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
        Measurer W. H. Ryan.  2.4-m f/8.9 reflector + CCD.
    H06 iTelescope Observatory, Mayhill.  Observer H. Sato.  0.43-m f/6.8
        astrograph + CCD + f/4.5 focal reducer.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  0.61-m f/4.5
        astrograph + CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  Observers D. C. Fuls,
        B. M. Africano, G. J. Leonard, R. A. Kowalski, E. J. Christensen.
        Measurers B. M. Africano, 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. L. Seaman, F. C. Shelly.  1.0-m reflector + CCD.
    K88 GINOP-KHK, Piszkesteto.  Observer K. Sarneczky.  0.60-m Schmidt + CCD.
    
    Orbital elements:
    2018 EF9
    Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
    M 359.98909              (2000.0)            P               Q
    n   0.00017809     Peri.   72.69054     -0.30652677     +0.94309376
    a 312.8800952      Node   172.56147     -0.42357556     -0.25641984
    e   0.9950282      Incl.   84.66215     +0.85242307     +0.21171448
    P  5530            H   18.2           G   0.15
    Residuals in seconds of arc
    180309 G96  0.3+  0.7-    180313 I52  0.6-  1.3-    180319 I52  0.5+  0.6+
    180309 G96  0.7-  0.9-    180313 I52  0.4+  0.2+    180319 I52  0.7-  0.9-
    180309 G96  0.1-  0.5+    180313 K88  0.6+  0.9-    180319 I52  0.6-  0.4-
    180309 G96  0.0   0.7-    180313 K88  0.4+  0.4-    180319 711  0.4+  0.2-
    180309 G96  1.0+  0.8+    180315 033  0.2-  0.3+    180319 711  1.3-  0.8+
    180309 G96  0.3+  0.3+    180315 033  0.0   0.4+    180319 711  0.3-  0.9+
    180309 G96  0.4+  0.9+    180315 033  0.3-  0.5+    180320 I52  1.1+  0.7+
    180309 G96  0.5+  0.8-    180315 033  0.3-  0.3+    180320 I52  0.4+  0.2-
    180309 G96  0.0   1.2-    180315 033  0.1+  0.2+    180320 I52  0.4+  1.1+
    180309 G96  0.3+  0.7+    180315 033  0.2-  0.1+    180320 I52  0.2-  0.3+
    180309 H01  0.1+  0.3+    180315 033  0.4-  0.0     180320 711  0.5+  0.3+
    180309 H01  0.1+  0.2+    180315 H06  0.4+  0.4+    180320 711  0.5+  0.1-
    180309 H01  0.0   0.3+    180315 H06  0.3+  0.0     180321 711  0.7+  0.7+
    180309 H01  0.0   0.3+    180315 H06  0.0   0.2-    180321 711  0.9+  0.7+
    180310 G96  0.7-  0.3+    180316 I52  0.5-  0.6-    180321 711  0.4+  0.8+
    180310 G96  0.3+  0.6+    180316 I52  1.1-  0.4+    180322 I52  0.9+  0.4-
    180310 G96  0.2-  0.2+    180316 I52  1.3-  0.6-    180322 I52  0.3+  0.6+
    180310 H21  0.4-  0.1+    180316 I52  0.5-  0.8-    180322 I52  0.4+  0.1-
    180310 H21  0.5-  0.1-    180316 658  0.7+  0.5+    180322 I52  0.0   0.1-
    180310 H21  0.3-  0.1-    180316 658  0.8+  0.7+    180323 595  0.4+  0.5-
    180310 F51  0.3+  0.1+    180316 658  0.7+  0.7+    180323 595  0.6+  0.0
    180310 F51  0.0   0.4-    180317 I52  0.1+  0.6-    180324 I52  1.1+  1.1-
    180313 033  0.1-  0.5+    180317 I52  0.1+  0.1-    180324 I52  0.4+  0.6-
    180313 033  0.1-  0.4+    180317 I52  0.2-  0.1-    180324 I52  0.2+  1.0-
    180313 033  0.4-  0.5+    180317 I52  0.8-  0.8-    180327 I52  1.2+  0.4+
    180313 033  0.2-  0.3+    180318 I52  0.7-  0.9-    180327 I52  0.4+  0.2+
    180313 033  0.1-  0.4+    180318 I52  0.8-  1.1-    180327 I52  0.4+  0.2+
    180313 033  0.5-  0.0     180318 I52  0.5-  0.4-    180328 I52 (4.0-  0.5+)
    180313 I52  0.4-  0.3-    180318 I52  0.4-  0.3-    180328 I52  0.6-  0.7-
    180313 I52  0.2+  0.0     180319 I52  0.3-  0.0     180328 I52  0.1-  0.2+
    
    Ephemeris:
    2018 EF9                 a,e,i = 312.88, 1.00, 85                q = 1.5556
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2018 02 26    13 45 26.8 +26 50 58   1.1371  1.9416   131.7    22.4    21.0
    ...
    2018 03 13    13 48 52.6 +46 21 06   1.0481  1.8309   127.4    25.5    20.8
    ...
    2018 03 21    13 46 35.7 +56 40 30   1.0622  1.7774   119.4    29.2    20.9
    ...
    2018 03 27    13 41 49.9 +63 38 48   1.0964  1.7401   112.3    32.0    21.0
    2018 03 28    13 40 42.0 +64 43 26   1.1037  1.7341   111.1    32.5    21.0
    2018 03 29    13 39 27.2 +65 46 30   1.1115  1.7283   109.9    32.9    21.0
    ...
    2018 04 04    13 29 04.4 +71 30 58   1.1654  1.6947   102.7    35.1    21.1
    ...
    2018 04 12    13 03 43.0 +77 38 20   1.2514  1.6548    93.8    37.2    21.3
    ...
    2018 04 27    10 57 24.3 +84 27 44   1.4278  1.5968    79.9    38.4    21.5
    
    A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-F138
    

    Read MPEC 2018-F137 Read MPEC 2018-F139


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