• MPC Preparation (Info)

  • MPEC 2018-U42 : 2018 UG1

    The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.

    A form allowing access to any MPEC is at the bottom of this page.


    Read MPEC 2018-U41 Read MPEC 2018-U43


    M.P.E.C. 2018-U42                                Issued 2018 Oct. 20, 22:17 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 UG1
    
    Observations:
         K18U01G* C2018 10 18.24613 01 04 47.60 +07 28 40.7          18.8 GVEU042G96
         K18U01G  C2018 10 18.25171 01 04 53.28 +07 28 18.7          19.3 GVEU042G96
         K18U01G  C2018 10 18.25728 01 04 58.98 +07 27 57.9          19.2 GVEU042G96
         K18U01G  C2018 10 18.26285 01 05 04.69 +07 27 36.8          19.8 GVEU042G96
         K18U01G KC2018 10 18.32197701 06 00.66 +07 23 20.7          19.5 VuEU042H21
         K18U01G KC2018 10 18.32347301 06 02.21 +07 23 14.9          19.5 VuEU042H21
         K18U01G KC2018 10 18.32553901 06 04.39 +07 23 07.0          19.7 VuEU042H21
         K18U01G  C2018 10 18.35946 01 06 43.46 +07 21 28.9          19.5 GVEU042I52
         K18U01G  C2018 10 18.35988 01 06 43.89 +07 21 27.4          19.2 GVEU042I52
         K18U01G  C2018 10 18.36029 01 06 44.33 +07 21 25.7          19.4 GVEU042I52
         K18U01G  C2018 10 18.36071 01 06 44.74 +07 21 24.0          19.4 GVEU042I52
         K18U01G  C2018 10 18.40752401 07 43.507+07 19 20.54         18.9 GVEU042F52
         K18U01G  C2018 10 18.44587701 08 21.954+07 16 55.07         19.8 GVEU042F52
         K18U01G KC2018 10 18.97087901 17 54.52 +06 42 14.1          19.6 GVEU042J95
         K18U01G KC2018 10 18.97487601 17 58.55 +06 42 00.1          19.2 GVEU042J95
         K18U01G KC2018 10 18.97893601 18 02.54 +06 41 44.6          19.3 GVEU042J95
         K18U01G KC2018 10 19.01490801 18 35.14 +06 39 49.1          19.3 GVEU042L01
         K18U01G pC2018 10 19.01658401 18 36.83 +06 39 43.5          19.3 GVEU042L01
         K18U01G KC2018 10 19.01756901 18 37.75 +06 39 39.3          19.2 GVEU042L01
         K18U01G KC2018 10 19.01903501 18 39.26 +06 39 33.3          19.4 GVEU042L01
         K18U01G KC2018 10 19.08004 01 19 41.02 +06 35 42.5          19.5 GVEU042204
         K18U01G KC2018 10 19.08657 01 19 47.56 +06 35 17.8                VEU042204
         K18U01G KC2018 10 19.09310 01 19 54.12 +06 34 52.9                VEU042204
         K18U01G KC2018 10 19.17165001 21 29.80 +06 30 31.9          19.4 VuEU042H21
         K18U01G KC2018 10 19.17348801 21 31.59 +06 30 25.2          19.4 VuEU042H21
         K18U01G KC2018 10 19.17750001 21 35.46 +06 30 10.4          19.4 VuEU042H21
         K18U01G  C2018 10 19.18022 01 21 43.41 +06 30 22.6                VEU042V06
         K18U01G  C2018 10 19.18142 01 21 44.55 +06 30 18.4          19.5 GVEU042V06
         K18U01G  C2018 10 19.18167 01 21 44.81 +06 30 17.4          20.1 GVEU042V06
         K18U01G KC2018 10 19.84442901 33 00.84 +05 49 00.5          19.0 GVEU042J95
         K18U01G KC2018 10 19.85053301 33 06.61 +05 48 39.6          19.4 GVEU042J95
         K18U01G KC2018 10 19.85694401 33 12.72 +05 48 17.2          19.5 GVEU042J95
         K18U01G KC2018 10 19.89596 01 33 48.24 +05 46 25.3          19.4  VEU042104
         K18U01G KC2018 10 19.89992 01 33 51.92 +05 46 11.0          19.3  VEU042104
         K18U01G KC2018 10 19.90686 01 33 58.28 +05 45 46.7          19.6  VEU042104
         K18U01G KC2018 10 19.99247701 35 16.71 +05 40 42.4          19.2 RqEU042K63
         K18U01G KC2018 10 19.99491901 35 18.93 +05 40 33.9          19.0 RqEU042K63
         K18U01G KC2018 10 19.99703701 35 20.86 +05 40 27.0          19.3 RqEU042K63
    
    Observer details:
    104 San Marcello Pistoiese.  Observers P. Bacci, M. Maestripieri.  Measurers
        P. Bacci, L. Tesi, G. Fagioli.  0.60-m reflector + CCD.
    204 Schiaparelli Observatory.  Observer L. Buzzi.  0.60-m f/4.64 reflector
        + CCD.
    F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, T. Dukes, T. Lowe,
        A. Schultz, M. Willman.  Measurers K. Chambers, S. Chastel, L. Denneau,
        H. Flewelling, M. Huber, E. Magnier, Y. Ramanjooloo, R. Wainscoat,
        R. Weryk.  1.8-m Ritchey-Chretien + CCD.
    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.  0.61-m f/4.5
        astrograph + CCD, 0.76-m f/3.0 astrograph + CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  Observer 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.  1.0-m reflector
        + 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.
    V06 Catalina Sky Survey-Kuiper.  Observer 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.  1.55-m reflector + CCD.
    
    Orbital elements:
    2018 UG1                                                 Earth MOID = 0.0297 AU
    Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
    M 104.70125              (2000.0)            P               Q
    n   0.52171116     Peri.  168.98316     +0.97210826     -0.23199815
    a   1.5282086      Node   204.51412     +0.20838868     +0.92168132
    e   0.3287501      Incl.    4.75378     +0.10760895     +0.31093472
    P   1.89           H   26.4           G   0.15           U   6
    Residuals in seconds of arc
    181018 G96  0.7+  1.1+    181018 J95  0.2-  0.5-    181019 V06  0.1-  0.0
    181018 G96  0.1+  0.0     181018 J95  0.5+  0.3+    181019 V06  0.6-  0.1+
    181018 G96  0.0   0.1+    181018 J95  0.4-  0.1-    181019 V06  0.4-  0.0
    181018 G96  0.2+  0.1-    181019 L01  0.2+  0.3-    181019 J95  0.6+  0.5-
    181018 H21  0.2-  0.0     181019 L01  0.6+  0.5+    181019 J95  0.3-  0.0
    181018 H21  0.4-  0.0     181019 L01  0.3-  0.0     181019 J95  0.2-  0.0
    181018 H21  0.1-  0.1+    181019 L01  0.5+  0.5-    181019 104  0.4-  0.3+
    181018 I52  0.1-  0.1-    181019 204  0.4+  0.0     181019 104  0.0   0.1-
    181018 I52  0.1-  0.1+    181019 204  0.2+  0.1+    181019 104  0.5-  0.2+
    181018 I52  0.2+  0.1-    181019 204  0.1+  0.1-    181019 K63  0.2+  0.3+
    181018 I52  0.1-  0.1-    181019 H21  0.1-  0.3+    181019 K63  0.1+  0.6+
    181018 F52  0.1+  0.0     181019 H21  0.0   0.3+    181019 K63  0.1+  1.2+
    181018 F52  0.1-  0.0     181019 H21  0.3-  0.1+
    
    Ephemeris:
    2018 UG1                 a,e,i = 1.53, 0.33, 5                   q = 1.0258
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2018 09 20    19 35 54.4 +13 35 37   0.07779 1.0406   115.8    60.3    23.1
    ...
    2018 10 05    21 06 35.8 +14 57 02   0.04308 1.0261   126.0    52.0    21.5
    ...
    2018 10 13    23 17 47.9 +12 30 53   0.03265 1.0267   151.6    27.5    20.3
    ...
    2018 10 19    01 18 23.8 +06 43 25   0.03499 1.0310   175.1     4.7    19.6
    2018 10 20    01 35 25.7 +05 42 48   0.03629 1.0321   175.5     4.3    19.7
    2018 10 21    01 51 08.8 +04 45 16   0.03780 1.0332   173.8     6.0    19.8
    ...
    2018 10 27    02 59 50.0 +00 25 56   0.05021 1.0417   161.6    17.5    20.9
    ...
    2018 11 04    03 45 39.4 -02 14 22   0.07197 1.0577   155.4    23.0    21.9
    ...
    2018 11 19    04 16 09.3 -02 46 42   0.1217  1.1004   155.8    21.6    23.1
    
    A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-U42
    

    Read MPEC 2018-U41 Read MPEC 2018-U43


    MPEC number:

    Enter an MPEC number in one of the following forms:

    • 1997-B01 (the full form)
    • J97B01 (the packed version of the full form)
    • B01 (the abbreviated form)