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  • MPEC 2018-U47 : 2018 UM1

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    M.P.E.C. 2018-U47                                Issued 2018 Oct. 20, 22:38 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 UM1
    
    Observations:
         K18U01M* C2018 10 19.14550 22 35 03.39 +21 37 30.8          18.6 GVEU047703
         K18U01M  C2018 10 19.15078 22 35 06.30 +21 37 21.9          19.4 GVEU047703
         K18U01M  C2018 10 19.15606 22 35 09.09 +21 37 14.5          19.2 GVEU047703
         K18U01M  C2018 10 19.16133 22 35 11.92 +21 37 03.8                VEU047703
         K18U01M  C2018 10 19.21293 22 35 39.05 +21 35 32.4                VEU047703
         K18U01M  C2018 10 19.21471 22 35 39.94 +21 35 29.8          18.8 GVEU047703
         K18U01M  C2018 10 19.21799 22 35 41.70 +21 35 24.1                VEU047703
         K18U01M KC2018 10 19.75960522 40 53.76 +21 19 10.4          19.1  UEU047B04
         K18U01M IC2018 10 19.76637322 40 56.67 +21 19 02.6          20.0 GVEU047L01
         K18U01M KC2018 10 19.76723122 40 57.10 +21 19 01.1          19.8 GVEU047L01
         K18U01M KC2018 10 19.77286122 41 00.03 +21 18 51.9          19.7 GVEU047L01
         K18U01M KC2018 10 19.77591922 41 02.76 +21 18 30.7          18.8 GVEU047J95
         K18U01M KC2018 10 19.77856622 41 04.16 +21 18 26.0          18.9 GVEU047J95
         K18U01M KC2018 10 19.78133422 41 05.56 +21 18 21.8          18.9 GVEU047J95
         K18U01M KC2018 10 19.78892122 41 08.91 +21 18 23.0          18.2  UEU047B04
         K18U01M KC2018 10 19.79626 22 41 12.50 +21 18 11.0                VEU047587
         K18U01M KC2018 10 19.79724 22 41 13.02 +21 18 09.2                VEU047587
         K18U01M KC2018 10 19.79821 22 41 13.49 +21 18 08.8          19.4 GVEU047587
         K18U01M KC2018 10 19.81536 22 41 22.17 +21 17 42.5          18.7  VEU047104
         K18U01M KC2018 10 19.82130 22 41 25.19 +21 17 32.5          18.8  VEU047104
         K18U01M KC2018 10 19.82685 22 41 28.01 +21 17 22.6          18.9  VEU047104
         K18U01M KC2018 10 19.82690822 41 28.40 +21 17 19.2          18.6  UEU047B04
         K18U01M  C2018 10 20.07590 22 43 48.64 +21 10 29.1          19.6 GVEU047I52
         K18U01M  C2018 10 20.07620 22 43 48.82 +21 10 27.7          20.0 GVEU047I52
         K18U01M  C2018 10 20.07784 22 43 49.61 +21 10 25.5          19.4 GVEU047I52
         K18U01M KC2018 10 20.07930522 43 50.16 +21 10 12.9          19.3 VqEU047V03
         K18U01M  C2018 10 20.07948 22 43 50.44 +21 10 23.2          19.0 GVEU047I52
         K18U01M KC2018 10 20.08663522 43 53.88 +21 10 01.6          18.9 VqEU047V03
         K18U01M KC2018 10 20.09554722 43 58.34 +21 09 47.2          19.1 VqEU047V03
         K18U01M KC2018 10 20.10263322 44 01.89 +21 09 35.8          19.6 VqEU047V03
         K18U01M KC2018 10 20.80180 22 50 09.52 +20 49 13.3          18.6 GVEU047595
         K18U01M KC2018 10 20.80536222 50 12.56 +20 48 54.0          19.1 GVEU047J95
         K18U01M KC2018 10 20.81141522 50 15.49 +20 48 43.8          19.4 GVEU047J95
         K18U01M KC2018 10 20.81892322 50 19.12 +20 48 31.4          19.3 GVEU047J95
         K18U01M KC2018 10 20.81922 22 50 17.80 +20 48 43.6          19.0 GVEU047595
         K18U01M KC2018 10 20.84408622 50 30.07 +20 48 04.1          19.0 RVEU047K63
         K18U01M KC2018 10 20.84673622 50 31.25 +20 48 00.2          18.8 RVEU047K63
         K18U01M KC2018 10 20.85090322 50 33.24 +20 47 53.2          19.0 RVEU047K63
    
    Observer details:
    104 San Marcello Pistoiese.  Observers P. Bacci, M. Maestripieri.  Measurers
        P. Bacci, L. Tesi, G. Fagioli.  0.60-m reflector + CCD.
    587 Sormano.  Observers A. Fumagalli, P. Sicoli, A. Testa, E. Valli.  Measurer
        P. Sicoli.  0.5-m f/6.8 reflector + CCD.
    595 Farra d'Isonzo.  Observer E. Pettarin.  0.61-m f/4.0 reflector + CCD.
    703 Catalina Sky Survey.  Observer G. J. Leonard.  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.  0.68-m Schmidt + 10K CCD.
    B04 OAVdA, Saint-Barthelemy.  Observer A. Carbognani.  0.81-m f/4.7 reflector
        + 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.
    V03 Big Water.  Observer D. Rankin.  0.30-m reflector + CCD.
    
    Orbital elements:
    2018 UM1                                                 Earth MOID = 0.0024 AU
    Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
    M 204.10732              (2000.0)            P               Q
    n   0.80597636     Peri.   54.06573     +0.70442802     +0.70894518
    a   1.1435483      Node   260.75665     -0.66189293     +0.63867868
    e   0.1740898      Incl.    1.99269     -0.25627899     +0.29914256
    P   1.22           H   23.6           G   0.15           U   7
    Residuals in seconds of arc
    181019 703  1.7-  0.4-    181019 J95  0.1-  0.1+    181020 I52  0.1-  0.2+
    181019 703  0.0   0.4-    181019 B04  0.5-  0.2+    181020 V03  0.2-  0.3+
    181019 703  0.1+  1.2+    181019 587  0.3-  0.3+    181020 V03  0.4-  0.2+
    181019 703  0.8+  0.5-    181019 587  0.1-  0.2+    181020 V03  0.4-  0.3+
    181019 703  0.3+  1.1-    181019 587  0.5-  1.4+    181020 595  0.6-  0.2+
    181019 703  0.3-  0.5-    181019 104  0.1+  0.0     181020 J95  0.0   0.1+
    181019 703  0.1+  0.2-    181019 104  0.1-  0.2+    181020 J95  0.1+  0.1-
    181019 B04  0.4-  0.5-    181019 104  0.2-  0.2-    181020 J95  0.2+  0.1-
    181019 L01  0.1+  0.1+    181019 B04  0.3-  0.4+    181020 595  0.9-  0.0
    181019 L01  0.1-  0.0     181020 I52  0.1-  0.4+    181020 K63  0.7+  0.7-
    181019 L01  0.3+  0.1+    181020 I52  0.3+  0.5-    181020 K63  0.4-  0.0
    181019 J95  0.4+  0.2+    181020 I52  0.1-  0.1-    181020 K63  0.1-  0.2+
    181019 J95  0.6+  0.2-    181020 V03  0.6-  0.1-
    
    Ephemeris:
    2018 UM1                 a,e,i = 1.14, 0.17, 2                   q = 0.9445
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2018 09 20    16 02 41.8 +09 55 03   0.06764 0.9765    63.8   112.6    22.0
    ...
    2018 10 05    19 08 51.9 +23 14 56   0.04659 1.0077    97.9    79.5    19.7
    ...
    2018 10 13    21 21 33.0 +24 13 49   0.05242 1.0272   122.7    54.8    19.3
    ...
    2018 10 19    22 33 36.9 +21 42 11   0.06423 1.0427   135.2    42.3    19.4
    2018 10 20    22 43 02.2 +21 13 15   0.06665 1.0454   136.7    40.8    19.4
    2018 10 21    22 51 49.5 +20 44 28   0.06917 1.0481   138.1    39.4    19.5
    ...
    2018 10 27    23 33 46.2 +18 05 47   0.08625 1.0644   143.4    33.8    19.8
    ...
    2018 11 04    00 10 45.8 +15 26 49   0.1132  1.0868   145.2    31.4    20.4
    ...
    2018 11 19    00 54 43.6 +12 50 55   0.1750  1.1294   140.8    33.6    21.5
    
    A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-U47
    

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