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  • MPEC 2018-G77 : 2018 GG2

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    M.P.E.C. 2018-G77                                Issued 2018 Apr. 13, 18:28 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 GG2
    
    Observations:
         K18G02G  C2018 04 10.39534 16 15 53.60 +23 40 05.9          18.7 GUEG077G96
         K18G02G* C2018 04 10.39678 16 15 53.11 +23 40 13.4          18.8 GUEG077G96
         K18G02G  C2018 04 10.40054 16 15 51.88 +23 40 33.3          18.7 GUEG077G96
         K18G02G  C2018 04 10.40198 16 15 51.37 +23 40 40.7          18.8 GUEG077G96
         K18G02G  C2018 04 10.40799 16 15 49.36 +23 41 12.3          18.6 GUEG077G96
         K18G02G  C2018 04 10.40943 16 15 48.89 +23 41 19.6                UEG077G96
         K18G02G  C2018 04 10.41320 16 15 47.64 +23 41 39.2          18.7 GUEG077G96
         K18G02G  C2018 04 10.43190 16 15 41.37 +23 43 16.9          18.4 GUEG077703
         K18G02G  C2018 04 10.43715 16 15 39.63 +23 43 43.8          18.5 GUEG077703
         K18G02G  C2018 04 10.44240 16 15 37.94 +23 44 10.8          18.6 GUEG077703
         K18G02G  C2018 04 10.44765 16 15 36.22 +23 44 38.7          18.8 GUEG077703
         K18G02G  C2018 04 10.48412 16 15 24.01 +23 47 46.5          19.3 GUEG077I52
         K18G02G  C2018 04 10.48599 16 15 23.40 +23 47 56.8          18.6 GUEG077I52
         K18G02G  C2018 04 10.48789 16 15 22.77 +23 48 06.0          18.7 GUEG077I52
         K18G02G  C2018 04 10.48807 16 15 22.69 +23 48 07.1          19.1 GUEG077I52
         K18G02G KC2018 04 10.89562 16 13 13.84 +24 22 30.3          18.1 RoEG077K88
         K18G02G KC2018 04 10.89820 16 13 13.02 +24 22 43.4          18.7 RoEG077K88
         K18G02G  C2018 04 11.03072 16 12 30.21 +24 33 44.8          18.1 VSEG077033
         K18G02G  C2018 04 11.03169 16 12 29.90 +24 33 49.3          18.1 VSEG077033
         K18G02G  C2018 04 11.03266 16 12 29.58 +24 33 54.2          18.1 VSEG077033
         K18G02G 3C2018 04 11.07871 16 12 15.48 +24 37 50.6          18.8 GUEG077G40
         K18G02G  C2018 04 11.09242 16 12 10.21 +24 38 49.6          18.5 VSEG077033
         K18G02G 3C2018 04 11.09268 16 12 10.93 +24 39 00.0          18.9 GUEG077G40
         K18G02G  C2018 04 11.09338 16 12 09.89 +24 38 54.3          18.6 VSEG077033
         K18G02G  C2018 04 11.09435 16 12 09.58 +24 38 59.1          18.7 VSEG077033
         K18G02G 3C2018 04 11.10652 16 12 06.42 +24 40 08.4          18.9 GUEG077G40
         K18G02G KC2018 04 11.35233 16 10 48.94 +25 00 04.9                oEG077711
         K18G02G KC2018 04 11.35487 16 10 48.10 +25 00 17.1                oEG077711
         K18G02G KC2018 04 11.35737 16 10 47.29 +25 00 28.8                oEG077711
         K18G02G  C2018 04 11.49731 16 10 02.19 +25 11 37.8          18.6 GUEG077I52
         K18G02G  C2018 04 11.49749 16 10 02.11 +25 11 38.5          18.5 GUEG077I52
         K18G02G  C2018 04 11.49946 16 10 01.50 +25 11 48.1          18.6 GUEG077I52
         K18G02G  C2018 04 11.49965 16 10 01.42 +25 11 48.8          19.0 GUEG077I52
         K18G02G KC2018 04 11.89002 16 08 01.98 +25 42 06.7          19.2 VSEG077C43
         K18G02G KC2018 04 11.89329 16 08 00.95 +25 42 22.0          19.1 VSEG077C43
         K18G02G KC2018 04 11.89656 16 07 59.93 +25 42 36.4          19.1 VSEG077C43
         K18G02G  C2018 04 12.29813 16 05 56.77 +26 13 06.8          18.4 GUEG077I52
         K18G02G  C2018 04 12.29950 16 05 56.35 +26 13 13.0          18.3 GUEG077I52
         K18G02G  C2018 04 12.30097 16 05 55.84 +26 13 19.7          18.1 GUEG077I52
         K18G02G  C2018 04 12.30235 16 05 55.48 +26 13 25.8          18.2 GUEG077I52
         K18G02G KC2018 04 12.85313 16 03 09.07 +26 53 15.5          18.9 VtEG077L04
         K18G02G KC2018 04 12.85974 16 03 07.08 +26 53 43.8          19.0 VtEG077L04
         K18G02G  C2018 04 13.41491 16 00 21.10 +27 32 20.7          18.9 GUEG077703
         K18G02G  C2018 04 13.42013 16 00 19.45 +27 32 42.1          18.9 GUEG077703
         K18G02G  C2018 04 13.42537 16 00 17.89 +27 33 03.5          18.8 GUEG077703
    
    Observer details:
    033 Karl Schwarzschild Observatory, Tautenburg.  Observers F. Ludwig,
        B. Stecklum.  Measurer B. Stecklum.  1.34-m f/3 Schmidt + CCD.
    703 Catalina Sky Survey.  Observers J. A. Johnson, 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.  0.68-m Schmidt + 10K CCD.
    711 McDonald Observatory.  Observer J. G. Ries.  2.1-m reflector + CCD + focal
        reducer.
    C43 Hoyerswerda.  Observer P. Lindner.  0.30-m f/6.3 Schmidt-Cassegrain + CCD.
    G40 Slooh.com Canary Islands Observatory.  Observer A. J. Evans.  0.43-m f/6.8
        Corrected Dall-Kirkham + CCD.
    G96 Mt. Lemmon Survey.  Observers B. M. Africano, G. J. Leonard.  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.
    I52 Steward Observatory, Mt. Lemmon Station.  Observer J. A. Johnson.
        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.
    L04 ROASTERR-1 Observatory, Cluj-Napoca.  Observer L. Hudin.  0.3-m f/5
        reflector + CCD.
    
    Orbital elements:
    2018 GG2                                            PHA, Earth MOID = 0.0045 AU
    Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
    M  13.46006              (2000.0)            P               Q
    n   0.29343389     Peri.  278.44768     -0.33066533     -0.92637034
    a   2.2428275      Node   195.22622     +0.87147640     -0.37303158
    e   0.7102739      Incl.   43.34686     -0.36220068     -0.05182118
    P   3.36           H   19.2           G   0.15           U   7
    Residuals in seconds of arc
    180410 G96  0.2-  0.2-    180410 K88  0.3-  0.2+    180411 I52  0.5-  0.2-
    180410 G96  0.3-  0.2-    180410 K88  0.1-  0.2+    180411 I52  0.1-  0.0
    180410 G96  0.0   0.0     180411 033  0.2-  0.2+    180411 I52  0.4-  0.2-
    180410 G96  0.4-  0.1-    180411 033  0.2-  0.1-    180411 C43  0.1-  0.2-
    180410 G96  0.4-  0.2+    180411 033  0.2-  0.0     180411 C43  0.3-  0.1-
    180410 G96  0.3-  0.1-    180411 G40  0.1-  0.0     180411 C43  0.3-  0.9-
    180410 G96  0.2-  0.1-    180411 033  0.0   0.1-    180412 I52  0.3-  0.1-
    180410 703  0.6-  0.3+    180411 G40  0.1-  0.1+    180412 I52  0.2-  0.0
    180410 703  0.5-  0.1-    180411 033  0.2-  0.1-    180412 I52  0.9-  0.1+
    180410 703  0.3+  0.3-    180411 033  0.1-  0.1-    180412 I52  0.1+  0.0
    180410 703  0.7+  0.3+    180411 G40  0.0   0.0     180412 L04  0.5-  0.1-
    180410 I52  0.3-  0.4-    180411 711  0.6+  0.7+    180412 L04  0.4-  0.2-
    180410 I52  0.1-  0.3+    180411 711  0.4+  0.6+    180413 703  0.5+  0.1-
    180410 I52  0.1-  0.3-    180411 711  0.4+  0.2+    180413 703  0.3-  0.1+
    180410 I52  0.4-  0.1-    180411 I52  0.2-  0.1-    180413 703  0.1+  0.3+
    
    Ephemeris:
    2018 GG2                 a,e,i = 2.24, 0.71, 43                  q = 0.6498
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2018 03 14    19 53 01.4 -44 11 17   0.2821  0.9062    63.9    99.9    19.9
    ...
    2018 03 29    17 36 16.8 -04 27 00   0.2333  1.0768   103.5    64.4    18.5
    ...
    2018 04 06    16 41 11.8 +16 05 31   0.2819  1.1694   120.6    47.4    18.6
    ...
    2018 04 12    16 07 27.2 +25 50 43   0.3425  1.2385   126.9    40.3    18.9
    2018 04 13    16 02 24.2 +27 03 47   0.3540  1.2500   127.5    39.5    19.0
    2018 04 14    15 57 30.6 +28 10 55   0.3658  1.2614   128.0    38.8    19.1
    ...
    2018 04 20    15 31 17.8 +33 10 01   0.4418  1.3295   129.4    35.7    19.5
    ...
    2018 04 28    15 04 01.3 +36 34 10   0.5540  1.4188   128.4    33.8    20.1
    ...
    2018 05 13    14 31 49.4 +37 49 01   0.7850  1.5806   122.9    32.5    21.0
    
    A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-G77
    

    Read MPEC 2018-G76 Read MPEC 2018-G78


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