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  • MPEC 2018-B32 : 2018 BA

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    M.P.E.C. 2018-B32                                Issued 2018 Jan. 17, 23:57 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 BA
    
    Observations:
         K18B00A* C2018 01 16.24590 05 36 22.45 +01 18 14.2                UEB032G96
         K18B00A  C2018 01 16.25113 05 36 21.97 +01 21 02.9          19.6 GUEB032G96
         K18B00A  C2018 01 16.25635 05 36 21.50 +01 23 50.2          19.4 GUEB032G96
         K18B00A  C2018 01 16.26275 05 36 20.82 +01 27 14.0          20.1 GUEB032G96
         K18B00A  C2018 01 16.30859 05 36 16.50 +01 51 48.3          20.1 GUEB032G96
         K18B00A  C2018 01 16.30882 05 36 16.48 +01 51 56.8          19.5 GUEB032G96
         K18B00A  C2018 01 16.30928 05 36 16.43 +01 52 12.2          19.2 GUEB032G96
         K18B00A  C2018 01 16.31798 05 36 15.68 +01 56 50.8                UEB032G96
         K18B00A  C2018 01 16.31821 05 36 15.63 +01 56 59.5          19.0 GUEB032G96
         K18B00A  C2018 01 16.31843 05 36 15.63 +01 57 05.5                UEB032G96
         K18B00A  C2018 01 16.31867 05 36 15.68 +01 57 14.4          19.7 GUEB032G96
         K18B00A  C2018 01 16.75836 05 36 13.76 +05 57 03.3          19.8 VSEB032033
         K18B00A  C2018 01 16.75904 05 36 13.71 +05 57 25.9          19.6 VSEB032033
         K18B00A  C2018 01 16.75971 05 36 13.67 +05 57 48.6          19.6 VSEB032033
         K18B00A  C2018 01 16.76039 05 36 13.63 +05 58 11.3          19.4 VSEB032033
         K18B00A  C2018 01 16.76106 05 36 13.58 +05 58 33.6          19.4 VSEB032033
         K18B00A  C2018 01 16.76175 05 36 13.53 +05 58 56.7          19.5 VSEB032033
         K18B00A  C2018 01 16.76242 05 36 13.48 +05 59 19.0          19.8 VSEB032033
         K18B00A  C2018 01 16.76310 05 36 13.43 +05 59 41.7          19.6 VSEB032033
         K18B00A  C2018 01 16.84486 05 36 07.18 +06 45 20.0          19.9 VSEB032033
         K18B00A  C2018 01 16.84784 05 36 06.94 +06 46 59.9          20.2 VSEB032033
         K18B00A  C2018 01 17.12869905 36 02.13 +09 26 01.5          19.2 GUEB032H01
         K18B00A  C2018 01 17.13224505 36 01.81 +09 28 02.5          19.4 GUEB032H01
         K18B00A  C2018 01 17.14391605 36 00.72 +09 34 41.0          20.0 GUEB032H01
         K18B00A KC2018 01 17.15014 05 35 57.87 +09 37 59.9          19.0 RqEB032734
         K18B00A KC2018 01 17.15313 05 35 57.64 +09 39 42.2          19.0 RqEB032734
         K18B00A  C2018 01 17.15348405 35 59.82 +09 40 07.6          19.1 GUEB032H01
         K18B00A KC2018 01 17.15750 05 35 57.26 +09 42 11.4          19.0 RqEB032734
         K18B00A  C2018 01 17.21409 05 35 54.56 +10 14 42.5          19.7 GUEB032I52
         K18B00A  C2018 01 17.21447 05 35 54.51 +10 14 55.9                UEB032I52
         K18B00A  C2018 01 17.21484 05 35 54.44 +10 15 08.7                UEB032I52
         K18B00A  C2018 01 17.21521 05 35 54.49 +10 15 20.8                UEB032I52
         K18B00A KC2018 01 17.92443005 35 30.62 +17 02 30.8          19.6 VSEB032L01
         K18B00A KC2018 01 17.92683705 35 30.40 +17 03 53.6          20.0 VSEB032L01
         K18B00A KC2018 01 17.92894505 35 30.24 +17 05 07.9          19.6 VSEB032L01
    
    Observer details:
    033 Karl Schwarzschild Observatory, Tautenburg.  Observers F. Ludwig,
        B. Stecklum.  Measurer B. Stecklum.  1.34-m f/3 Schmidt + CCD.
    734 Farpoint Observatory.  Observer G. Hug.  0.69-m reflector + CCD.
    G96 Mt. Lemmon Survey.  Observer A. R. Gibbs.  Measurers 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. G. Matheny, 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.  Observer R. G. Matheny.
        Measurers 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. G. Matheny,
        R. L. Seaman, F. C. Shelly.  1.0-m reflector + CCD.
    L01 Visnjan Observatory, Tican.  Observers K. Korlevic, F. Hrzenjak.  Measurer
        K. Korlevic.  1.0-m f/2.9 reflector + CCD.
    
    Orbital elements:
    2018 BA                                                  Earth MOID = 0.0389 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M 274.57357              (2000.0)            P               Q
    n   0.66413899     Peri.  351.60035     -0.32607378     -0.87735164
    a   1.3010582      Node   116.79097     +0.88863978     -0.41150173
    e   0.2165142      Incl.   23.22668     +0.32248291     +0.24682064
    P   1.48           H   25.0           G   0.15           U   6
    Residuals in seconds of arc
    180116 G96  0.8-  0.2+    180116 033  0.1-  0.2-    180117 734  1.0-  0.0
    180116 G96  0.2-  1.1+    180116 033  0.0   0.1+    180117 734  0.3-  0.3+
    180116 G96  0.5+  0.9+    180116 033  0.1+  0.1+    180117 H01  0.1+  0.0
    180116 G96  0.3-  0.7-    180116 033  0.0   0.0     180117 734  0.2+  0.5+
    180116 G96  0.3-  1.0-    180116 033  0.0   0.1+    180117 I52  0.0   0.3-
    180116 G96  0.3-  0.1+    180116 033  0.0   0.0     180117 I52  0.1-  0.1+
    180116 G96  0.5-  0.7+    180116 033  0.1-  0.0     180117 I52  0.6-  0.2+
    180116 G96  0.1-  1.2-    180116 033  0.1-  0.1-    180117 I52  0.7+  0.3-
    180116 G96  0.6-  0.1+    180116 033  0.1-  0.2-    180117 L01  0.2+  0.2-
    180116 G96  0.3-  1.0-    180117 H01  0.1+  0.0     180117 L01  0.0   0.6-
    180116 G96  0.8+  0.1+    180117 H01  0.1+  0.0     180117 L01  0.3+  0.8+
    180116 033  0.0   0.1-    180117 H01  0.0   0.0
    
    Ephemeris:
    2018 BA                  a,e,i = 1.30, 0.22, 23                  q = 1.0194
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 12 18    05 51 47.9 -59 28 32   0.2248  1.0362    97.1    70.4    24.3
    ...
    2018 01 02    05 44 43.0 -51 22 16   0.1255  1.0216   104.3    68.8    23.0
    ...
    2018 01 10    05 40 04.7 -35 39 29   0.07381 1.0194   117.3    59.0    21.5
    ...
    2018 01 16    05 36 32.1 -00 50 24   0.04660 1.0202   140.7    37.6    19.9
    2018 01 17    05 36 00.7 +08 14 13   0.04487 1.0206   144.3    34.2    19.7
    2018 01 18    05 35 31.8 +17 47 16   0.04435 1.0210   146.2    32.5    19.6
    ...
    2018 01 24    05 34 26.2 +62 23 18   0.06362 1.0248   128.0    49.2    20.9
    ...
    2018 02 01    05 52 36.8 +83 14 43   0.1139  1.0331   111.9    62.3    22.6
    ...
    2018 02 16    15 22 51.8 +85 51 17   0.2163  1.0581   103.1    65.4    24.1
    
    A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-B32
    

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