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The International Astronomical Union Minor Planet Center

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    • MPEC 2018-B69 : 2018 BU1

    The followingMinor Planet ElectronicCircular may be linked-to from your own Web pages, but mustnot otherwise beredistributed electronically.

    A form allowing access to anyMPEC is atthe bottom of this page.

    ReadMPEC 2018-B68 ReadMPEC 2018-B70

    M.P.E.C. 2018-B69                                Issued 2018 Jan. 19, 23:25 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 theTamkin Foundation Computer Network                              MPC@CFA.HARVARD.EDU            URL https://www.minorplanetcenter.net/    ISSN 1523-6714                                   2018 BU1Observations:     K18B01U* C2018 01 18.25432 07 20 14.19 +34 03 27.1          18.9 GUEB069703     K18B01U  C2018 01 18.25959 07 20 13.32 +34 03 12.3          19.3 GUEB069703     K18B01U  C2018 01 18.26485 07 20 12.45 +34 02 58.8          19.2 GUEB069703     K18B01U  C2018 01 18.27011 07 20 11.53 +34 02 44.9          19.2 GUEB069703     K18B01U  C2018 01 18.30210 07 20 06.23 +34 01 17.7          19.3 GUEB069I52     K18B01U  C2018 01 18.30426 07 20 05.88 +34 01 11.5          19.3 GUEB069I52     K18B01U  C2018 01 18.30642 07 20 05.54 +34 01 05.9          19.2 GUEB069I52     K18B01U  C2018 01 18.30876 07 20 05.15 +34 00 59.4          19.0 GUEB069I52     K18B01U KC2018 01 18.83795 07 19 15.28 +33 33 59.8                UEB069J95     K18B01U KC2018 01 18.84022 07 19 15.00 +33 33 53.3                UEB069J95     K18B01U KC2018 01 18.84255 07 19 14.62 +33 33 46.5          19.1 GUEB069J95     K18B01U KC2018 01 18.93360 07 18 59.12 +33 29 32.3          19.1 GUEB069K38     K18B01U KC2018 01 18.96363 07 18 53.90 +33 27 56.2          19.1 GUEB069K38     K18B01U KC2018 01 18.98516 07 18 50.20 +33 26 45.8                UEB069204     K18B01U KC2018 01 18.99375 07 18 48.69 +33 26 17.0                UEB069204     K18B01U KC2018 01 19.00246 07 18 47.22 +33 25 47.7          19.2 GUEB069204     K18B01U KC2018 01 19.00860 07 18 46.14 +33 25 26.7          19.1 GUEB069K38     K18B01U KC2018 01 19.03480 07 18 41.70 +33 23 56.1          19.3 GUEB069K38     K18B01U KC2018 01 19.04331 07 18 54.12 +33 23 32.5          19.0 VUEB069W34     K18B01U KC2018 01 19.09447 07 18 45.90 +33 21 00.2          19.0 VUEB069W34     K18B01U  C2018 01 19.16245 07 18 38.51 +33 17 15.8          18.4 GUEB069I52     K18B01U  C2018 01 19.16475 07 18 38.11 +33 17 08.7          19.3 GUEB069I52     K18B01U  C2018 01 19.16546 07 18 38.02 +33 17 06.1          18.6 GUEB069I52     K18B01U  C2018 01 19.16730 07 18 37.67 +33 17 00.9          18.3 GUEB069I52     K18B01U  C2018 01 19.17385307 18 35.90 +33 16 39.6          18.7 GUEB069H01     K18B01U  C2018 01 19.17812007 18 35.14 +33 16 26.2          18.8 GUEB069H01     K18B01U  C2018 01 19.19009907 18 32.99 +33 15 48.4          18.8 GUEB069H01     K18B01U  C2018 01 19.19554007 18 31.99 +33 15 31.0          18.8 GUEB069H01     K18B01U KC2018 01 19.74076 07 17 24.63 +32 40 45.1          16.8 RqEB069K61     K18B01U KC2018 01 19.74572 07 17 23.85 +32 40 27.3          17.0 RqEB069K61     K18B01U KC2018 01 19.74883 07 17 23.34 +32 40 15.9          17.2 RqEB069K61     K18B01U KC2018 01 19.89720 07 16 57.70 +32 31 04.7          19.3 VqEB069C77     K18B01U KC2018 01 19.91167 07 16 55.77 +32 29 42.7                UEB069J95     K18B01U KC2018 01 19.91390 07 16 55.33 +32 29 33.9                UEB069J95     K18B01U KC2018 01 19.91610 07 16 54.90 +32 29 25.1          18.7 GUEB069J95     K18B01U KC2018 01 19.93114 07 16 50.79 +32 28 47.1          19.3 VqEB069C77     K18B01U KC2018 01 19.94014 07 16 48.90 +32 28 10.9          19.3 VqEB069C77Observer details:204 Schiaparelli Observatory.  Observer L. Buzzi.  0.60-m f/4.64 reflector    + CCD.703 Catalina Sky Survey.  Observer G. J. Leonard.  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.    0.68-m Schmidt + 10K CCD.C77 Bernezzo Observatory.  Observer A. Mantero.  0.25-m f/4.0 reflector + 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.J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain    + CCD.K38 M57 Observatory, Saltrio.  Observer G. Baj.  0.30-m f/5.5 Ritchey-Chretien    + CCD.K61 Rokycany Observatory.  Observer M. Adamovsky.  0.51-m f/6.8 reflector    + CCD.W34 Squirrel Valley Observatory, Columbus.  Observer R. L. Flynn.  0.20-m f/10    Schmidt-Cassegrain + CCD + f/7.0 focal reducer.Orbital elements:2018 BU1                                                 EarthMOID = 0.0079 AUEpoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPCM 268.69293              (2000.0)            P               Qn   0.49322265     Peri.  238.03819     -0.99527771     +0.02284440a   1.5865023      Node   303.10913     +0.02234421     -0.89189429e   0.4597491      Incl.    6.46691     -0.09446170     -0.45166660P   2.00           H   24.6           G   0.15           U   6Residuals in seconds of arc180118 703  0.2+  0.3+    180118 204  0.1+  0.5+    180119 H01  0.3+  0.3+180118 703  0.2+  0.7-    180118 204  0.2-  0.4+    180119 H01  0.2+  0.2+180118 703  0.1+  0.3-    180119 204  0.3+  0.4+    180119 K61  0.6-  0.2-180118 703  0.5-  0.2-    180119 K38  0.2-  0.8-    180119 K61  0.6-  0.1-180118 I52  0.2-  0.2-    180119 K38  0.2+  1.2-    180119 K61  0.9-  0.3-180118 I52  0.1-  0.4-    180119 W34  0.9-  0.4+    180119 C77  0.3-  0.6-180118 I52  0.2+  0.1+    180119 W34  0.4+  0.2-    180119 J95  0.1+  0.1-180118 I52  0.2+  0.1+    180119 I52  0.2-  0.2+    180119 J95  0.0   0.1+180118 J95  0.2-  0.2+    180119 I52  0.3-  0.1+    180119 J95  0.0   0.1+180118 J95  0.4+  0.2+    180119 I52  0.1+  0.3-    180119 C77  0.5+  0.7-180118 J95  0.1-  0.1+    180119 I52  0.3-  0.1+    180119 C77  0.2+  0.4+180118 K38  0.6-  0.9-    180119 H01  0.2+  0.3+180118 K38  0.7-  0.8-    180119 H01  0.2+  0.2+Ephemeris:2018 BU1                 a,e,i = 1.59, 0.46, 6                   q = 0.8571Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V2017 12 20    07 28 55.4 +37 03 42   0.2776  1.2411   155.0    19.5    23.3...2018 01 04    07 30 19.9 +37 27 50   0.1581  1.1359   163.7    14.0    21.7...2018 01 12    07 27 00.4 +36 38 43   0.1013  1.0816   165.0    13.6    20.6...2018 01 18    07 20 37.6 +34 14 33   0.06090 1.0426   164.0    15.1    19.42018 01 19    07 18 50.4 +33 26 35   0.05433 1.0362   163.7    15.4    19.22018 01 20    07 16 39.6 +32 24 39   0.04781 1.0299   163.4    15.8    18.9...2018 01 26    06 26 52.9 -00 55 14   0.01118 0.9936   143.4    36.2    16.3...2018 02 03    19 59 43.7 -49 50 38   0.04489 0.9495    35.7   142.7    25.0...2018 02 18    19 48 50.3 -42 12 09   0.1452  0.8864    42.4   131.3    26.0A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-B69

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