• MPC Preparation (Info)

  • MPEC 2018-H18 : 2018 GH5

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    M.P.E.C. 2018-H18                                Issued 2018 Apr. 17, 13:11 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 GH5
    
    Observations:
         K18G05H  C2018 04 13.34940 12 11 55.484-00 40 44.02         21.5 wUEH018F51
         K18G05H  C2018 04 13.36191 12 11 51.611-00 41 01.55         21.4 wUEH018F51
         K18G05H  C2018 04 13.38708 12 11 43.791-00 41 36.57         21.7 wUEH018F51
         K18G05H* C2018 04 15.25664 12 01 53.03 -01 32 10.5          21.4 GUEH018G96
         K18G05H  C2018 04 15.26180 12 01 50.98 -01 32 19.7          21.5 GUEH018G96
         K18G05H  C2018 04 15.26696 12 01 49.04 -01 32 30.2          21.4 GUEH018G96
         K18G05H  C2018 04 15.27214 12 01 46.98 -01 32 39.7          20.9 GUEH018G96
         K18G05H  C2018 04 15.30602012 01 33.44 -01 33 45.1          20.6 GUEH018H01
         K18G05H  C2018 04 15.31323112 01 30.62 -01 33 58.6          21.0 GUEH018H01
         K18G05H  C2018 04 15.32044012 01 27.80 -01 34 12.2          20.7 GUEH018H01
         K18G05H  C2018 04 15.32765112 01 25.00 -01 34 25.6          21.7 GUEH018H01
         K18G05H  C2018 04 15.33507 12 01 22.34 -01 34 37.4          20.8 GUEH018I52
         K18G05H  C2018 04 15.34003 12 01 20.44 -01 34 47.4          20.2 GUEH018I52
         K18G05H  C2018 04 15.34497 12 01 18.47 -01 34 56.2          21.3 GUEH018I52
         K18G05H  C2018 04 15.34993 12 01 16.53 -01 35 05.6          21.4 GUEH018I52
         K18G05H  C2018 04 16.22814 11 55 40.29 -02 04 53.3          20.8 GUEH018I52
         K18G05H  C2018 04 16.23225 11 55 38.44 -02 05 02.2          20.9 GUEH018I52
         K18G05H  C2018 04 16.23881 11 55 35.48 -02 05 16.7          20.6 GUEH018I52
         K18G05H  C2018 04 16.27540 11 55 18.99 -02 06 37.0          20.5 GUEH018I52
         K18G05H  C2018 04 16.27789 11 55 17.86 -02 06 42.5          20.8 GUEH018I52
         K18G05H  C2018 04 16.28285 11 55 15.63 -02 06 53.5          20.9 GUEH018I52
         K18G05H  C2018 04 16.39681 11 54 24.52 -02 11 05.6          21.0 GUEH018I52
         K18G05H  C2018 04 16.39929 11 54 23.41 -02 11 11.6          21.8 GUEH018I52
         K18G05H  C2018 04 16.40177 11 54 22.30 -02 11 17.2          20.9 GUEH018I52
         K18G05H  C2018 04 16.40425 11 54 21.21 -02 11 22.4          22.1 GUEH018I52
         K18G05H |C2018 04 16.99212 11 50 09.52 -02 32 43.8          20.3 GUEH018807
         K18G05H |C2018 04 16.99631 11 50 07.44 -02 32 54.0          20.6 GUEH018807
         K18G05H |C2018 04 17.00061 11 50 05.30 -02 33 05.5          20.7 GUEH018807
    
    Observer details:
    807 Cerro Tololo.  Observers T. Linder, R. Holmes.  0.61-m f/6.5 astrograph
        + CCD.
    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. D. Grauer.  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.
    I52 Steward Observatory, Mt. Lemmon Station.  Observers A. R. Gibbs,
        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.
    
    Orbital elements:
    2018 GH5                                                 Earth MOID = 0.0196 AU
    Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
    M 331.90859              (2000.0)            P               Q
    n   0.37609262     Peri.  248.77468     +0.00919459     +0.99941430
    a   1.9008135      Node    21.83033     -0.88143769     +0.02366695
    e   0.5532262      Incl.    5.08551     -0.47221081     -0.02471720
    P   2.62           H   25.2           G   0.15           U   6
    Residuals in seconds of arc
    180413 F51  0.0   0.1+    180415 H01  0.0   0.1+    180416 I52  0.2-  0.2-
    180413 F51  0.0   0.0     180415 I52  0.0   0.2+    180416 I52  0.4+  0.1+
    180413 F51  0.1-  0.1-    180415 I52  0.6+  0.5-    180416 I52  0.2+  0.3-
    180415 G96  0.3-  0.3+    180415 I52  0.1-  0.0     180416 I52  0.1+  0.4-
    180415 G96  0.7-  0.7+    180415 I52  0.2-  0.1-    180416 I52  0.2+  0.1-
    180415 G96  0.5+  0.1-    180416 I52  0.0   0.1-    180416 807  0.1+  0.4+
    180415 G96  0.0   0.0     180416 I52  0.1-  0.0     180416 807  0.1-  0.7+
    180415 H01  0.1+  0.0     180416 I52  0.3-  0.1-    180417 807  0.3-  0.1-
    180415 H01  0.0   0.0     180416 I52  0.2-  0.1-
    180415 H01  0.2-  0.1-    180416 I52  0.3-  0.1-
    
    Ephemeris:
    2018 GH5                 a,e,i = 1.90, 0.55, 5                   q = 0.8492
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2018 03 18    12 54 41.6 +02 02 20   0.3332  1.3183   163.6    12.3    24.1
    ...
    2018 04 02    12 42 14.6 +01 31 04   0.1963  1.1947   173.7     5.2    22.5
    ...
    2018 04 10    12 24 41.4 +00 20 53   0.1325  1.1305   165.4    12.9    21.8
    ...
    2018 04 16    11 57 12.9 -01 55 46   0.08844 1.0838   154.3    23.6    21.2
    2018 04 17    11 50 01.7 -02 33 53   0.08147 1.0763   151.9    26.1    21.1
    2018 04 18    11 41 35.0 -03 19 13   0.07463 1.0687   149.1    28.9    21.0
    ...
    2018 04 24    09 52 30.9 -12 35 46   0.03912 1.0249   118.5    59.5    20.4
    ...
    2018 05 02    03 54 56.0 -17 29 27   0.04704 0.9711    38.1   140.2    25.4
    ...
    2018 05 17    01 59 55.8 -07 58 03   0.1529  0.8916    35.7   138.6    27.5
    
    A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-H18
    

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