MPEC 2018-B125: 2018 BF5
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M.P.E.C. 2018-B125 Issued 2018 Jan. 25, 19:48 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 BF5 Observations: K18B05F* C2018 01 22.19033 06 46 12.62 +39 59 46.1 16.8 GUEB125703 K18B05F C2018 01 22.20101 06 46 07.17 +40 06 13.6 17.4 GUEB125703 K18B05F C2018 01 22.20634 06 46 04.44 +40 09 26.1 17.6 GUEB125703 K18B05F C2018 01 22.24340 06 45 45.34 +40 30 35.2 17.7 rEB125718 K18B05F C2018 01 22.24369 06 45 44.72 +40 31 30.6 17.9 GUEB125I52 K18B05F C2018 01 22.24381 06 45 44.65 +40 31 34.9 17.5 GUEB125I52 K18B05F C2018 01 22.24394 06 45 44.60 +40 31 39.3 17.6 GUEB125I52 K18B05F C2018 01 22.24406 06 45 44.52 +40 31 43.8 18.1 GUEB125I52 K18B05F C2018 01 22.24431 06 45 44.88 +40 31 06.4 17.8 rEB125718 K18B05F C2018 01 22.24522 06 45 44.42 +40 31 38.4 18.0 rEB125718 K18B05F C2018 01 22.24612 06 45 43.91 +40 32 11.2 17.6 rEB125718 K18B05F #C2018 01 22.31775 06 45 03.72 +41 14 05.8 18.2 VqEB125H06 K18B05F #C2018 01 22.31972 06 45 02.73 +41 15 13.8 18.3 VqEB125H06 K18B05F C2018 01 22.34081 06 44 53.72 +41 27 16.6 17.1 GUEB125703 K18B05F C2018 01 22.34253 06 44 52.89 +41 28 13.5 17.0 GUEB125703 K18B05F C2018 01 22.34419 06 44 51.95 +41 29 09.3 UEB125703 K18B05F C2018 01 22.34588 06 44 51.07 +41 30 06.4 UEB125703 K18B05F C2018 01 22.41432 06 44 17.83 +42 07 56.0 UEB125I52 K18B05F C2018 01 22.41444 06 44 17.81 +42 07 59.2 UEB125I52 K18B05F C2018 01 22.41457 06 44 17.77 +42 08 04.2 16.5 GUEB125I52 K18B05F C2018 01 22.41470 06 44 17.71 +42 08 08.8 16.8 GUEB125I52 K18B05F C2018 01 22.47033 06 43 53.34 +42 38 09.8 16.6 GUEB125I52 K18B05F C2018 01 22.47046 06 43 53.30 +42 38 13.8 16.9 GUEB125I52 K18B05F C2018 01 22.47058 06 43 53.24 +42 38 18.1 17.1 GUEB125I52 K18B05F C2018 01 22.47071 06 43 53.17 +42 38 22.6 16.7 GUEB125I52 K18B05F KC2018 01 22.81788 06 42 14.54 +45 42 51.0 18.2 VqEB125C77 K18B05F KC2018 01 22.82114 06 42 12.76 +45 44 32.6 18.7 VqEB125C77 K18B05F KC2018 01 22.82481 06 42 11.03 +45 46 22.3 18.1 VqEB125C77 K18B05F KC2018 01 22.82911 06 42 08.97 +45 48 37.4 18.4 VqEB125C77 K18B05F KC2018 01 22.84640 06 41 59.38 +45 57 31.6 17.9 UEB125K63 K18B05F KC2018 01 22.85048 06 41 57.36 +45 59 35.6 18.4 UEB125K63 K18B05F KC2018 01 22.85697 06 41 54.08 +46 02 52.9 17.8 UEB125K63 K18B05F KC2018 01 22.89344 06 41 35.85 +46 21 00.0 UEB125204 K18B05F KC2018 01 22.89638 06 41 34.32 +46 22 27.5 UEB125204 K18B05F KC2018 01 22.89950 06 41 32.71 +46 24 00.6 UEB125204 K18B05F KC2018 01 22.90354 06 41 30.65 +46 26 00.6 UEB125204 K18B05F KC2018 01 22.90621 06 41 29.27 +46 27 19.9 18.1 GUEB125204 K18B05F 9C2018 01 22.92062 06 41 32.43 +46 35 38.7 17.8 VUEB125G40 K18B05F 9C2018 01 22.92733 06 41 28.85 +46 39 00.1 17.9 VUEB125G40 K18B05F 9C2018 01 22.93428 06 41 25.11 +46 42 26.4 17.8 VUEB125G40 K18B05F KC2018 01 22.93780 06 41 12.98 +46 42 52.3 18.1 GUEB125203 K18B05F KC2018 01 22.94696 06 41 08.26 +46 47 19.7 17.9 GUEB125203 K18B05F KC2018 01 22.95888 06 41 02.20 +46 53 05.9 18.1 GUEB125203 K18B05F C2018 01 23.09850 06 40 32.40 +47 59 47.9 17.6 GUEB125I52 K18B05F C2018 01 23.09863 06 40 32.34 +47 59 51.6 18.2 GUEB125I52 K18B05F C2018 01 23.09875 06 40 32.27 +47 59 54.9 17.9 GUEB125I52 K18B05F C2018 01 23.09887 06 40 32.21 +47 59 58.8 17.7 GUEB125I52 K18B05F KC2018 01 23.72141 06 36 23.83 +52 28 10.0 18.3 VtEB125L04 K18B05F KC2018 01 23.72712 06 36 21.12 +52 30 30.2 18.5 VtEB125L04 K18B05F KC2018 01 23.73344 06 36 18.11 +52 33 04.6 18.5 VtEB125L04 K18B05F KC2018 01 23.77928 06 35 59.67 +52 51 16.1 18.3 GUEB125587 K18B05F KC2018 01 23.77992 06 35 59.34 +52 51 31.1 UEB125587 K18B05F KC2018 01 23.78425 06 35 57.25 +52 53 15.7 UEB125587 K18B05F KC2018 01 23.81023 06 35 44.36 +53 03 48.4 18.1 RqEB125160 K18B05F KC2018 01 23.81237 06 35 43.30 +53 04 40.1 18.1 RqEB125160 K18B05F KC2018 01 23.81345 06 35 42.76 +53 05 05.6 19.2 RqEB125160 K18B05F KC2018 01 23.81452 06 35 42.22 +53 05 30.9 19.6 RqEB125160 K18B05F KC2018 01 23.81668 06 35 41.18 +53 06 21.7 17.3 RqEB125160 K18B05F KC2018 01 23.91077 06 34 55.43 +53 42 51.8 18.2 RqEB125B74 K18B05F KC2018 01 23.91618 06 34 52.56 +53 44 54.8 18.2 RqEB125B74 K18B05F KC2018 01 23.92103 06 34 49.97 +53 46 44.8 18.0 RqEB125B74 K18B05F (C2018 01 23.92539 06 34 55.38 +53 49 10.0 18.3 GUEB125G40 K18B05F (C2018 01 23.93237 06 34 51.59 +53 51 49.8 18.2 GUEB125G40 K18B05F KC2018 01 24.00121 06 34 36.77 +54 15 48.1 18.6 VUEB125W34 K18B05F KC2018 01 24.00880 06 33 58.19 +54 17 46.2 18.4 RqEB125585 K18B05F KC2018 01 24.00944 06 33 57.87 +54 18 00.3 18.5 RqEB125585 K18B05F KC2018 01 24.01009 06 33 57.58 +54 18 13.3 18.5 RqEB125585 K18B05F KC2018 01 24.01074 06 33 57.23 +54 18 27.7 18.6 RqEB125585 K18B05F KC2018 01 24.01139 06 33 56.93 +54 18 41.7 18.5 RqEB125585 K18B05F KC2018 01 24.01190 06 33 56.67 +54 18 52.9 18.3 RqEB125585 K18B05F KC2018 01 24.01255 06 33 56.42 +54 19 06.0 18.4 RqEB125585 K18B05F KC2018 01 24.01346 06 33 56.00 +54 19 25.6 18.4 RqEB125585 K18B05F KC2018 01 24.02226 06 34 26.58 +54 23 51.6 18.6 VUEB125W34 K18B05F KC2018 01 24.03367 06 34 20.86 +54 28 11.6 18.2 VUEB125W34 K18B05F C2018 01 24.10240 06 33 55.06 +54 53 06.7 18.4 GUEB125I52 K18B05F C2018 01 24.10252 06 33 54.99 +54 53 10.0 18.2 GUEB125I52 K18B05F C2018 01 24.10265 06 33 54.93 +54 53 12.8 18.5 GUEB125I52 K18B05F C2018 01 24.10277 06 33 54.93 +54 53 15.3 18.2 GUEB125I52 K18B05F QC2018 01 24.18338 06 33 10.30 +55 22 45.8 18.6 VUEB125H06 K18B05F QC2018 01 24.19779 06 33 02.33 +55 27 52.1 18.1 VUEB125H06 K18B05F QC2018 01 24.20865 06 32 56.28 +55 31 41.6 18.5 VUEB125H06 K18B05F C2018 01 25.13169106 26 54.62 +60 17 50.2 18.6 GUEB125H01 K18B05F C2018 01 25.13855206 26 50.91 +60 19 47.0 18.6 GUEB125H01 K18B05F C2018 01 25.14671806 26 46.48 +60 22 05.4 18.5 GUEB125H01 K18B05F C2018 01 25.15264806 26 43.22 +60 23 45.6 18.5 GUEB125H01 K18B05F C2018 01 25.15858 06 26 41.53 +60 25 26.2 18.7 GUEB125I52 K18B05F C2018 01 25.15876 06 26 41.47 +60 25 29.3 18.4 GUEB125I52 K18B05F C2018 01 25.15895 06 26 41.40 +60 25 32.3 18.4 GUEB125I52 K18B05F C2018 01 25.15913 06 26 41.28 +60 25 35.7 18.6 GUEB125I52 K18B05F KC2018 01 25.27053 06 25 33.66 +60 55 14.3 18.8 RqEB125H36 K18B05F KC2018 01 25.27793 06 25 29.62 +60 57 07.4 18.5 RqEB125H36 K18B05F KC2018 01 25.28534 06 25 25.65 +60 59 01.8 18.9 RqEB125H36 Observer details: 160 Castelmartini. Observers M. Jaeger, E. Prosperi, S. Prosperi, W. Vollmann. Measurer E. Prosperi. 0.35-m f/10 Schmidt-Cassegrain + CCD. 203 GiaGa Observatory. Observers S. Foglia, G. Galli. Measurer G. Galli. 0.28-m f/6.8 Schmidt-Cassegrain + CCD. 204 Schiaparelli Observatory. Observer L. Buzzi. 0.60-m f/4.64 reflector + CCD. 585 Kyiv comet station. Observer A. Baransky. 0.7-m f/4 reflector + CCD. 587 Sormano. Observers F. Manca, P. Sicoli, A. Testa. Measurer P. Sicoli. 0.5-m f/6.8 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. 718 Tooele. Observer P. Wiggins. 0.35-m f/5.5 Schmidt-Cassegrain + CCD. B74 Santa Maria de Montmagastrell. Observer J. M. Bosch. 0.40-m f/10 Schmidt-Cassegrain + CCD. C77 Bernezzo Observatory. Observer A. Mantero. 0.25-m f/4.0 reflector + CCD. G40 Slooh.com Canary Islands Observatory. Observers B. Lutkenhoner, K. Dankov. 0.43-m f/6.8 Corrected Dall-Kirkham + 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. H06 iTelescope Observatory, Mayhill. Observers M. Suzuki, S. M. Tilley. 0.25-m f/3.4 reflector + CCD, 0.50-m f/6.8 reflector + CCD + f/4.5 focal reducer. H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD. I52 Steward Observatory, Mt. Lemmon Station. Observers G. J. Leonard, J. A. Johnson. 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. K63 G. Pascoli Observatory, Castelvecchio Pascoli. Observer R. Bacci. 0.40-m f/3.2 Newtonian reflector + CCD. L04 ROASTERR-1 Observatory, Cluj-Napoca. Observer L. Hudin. 0.3-m f/5 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 BF5 Earth MOID = 0.0234 AU Epoch 2017 Sept. 4.0 TT = JDT 2458000.5 MPC M 325.57694 (2000.0) P Q n 1.02371258 Peri. 243.34119 +0.95648552 -0.07887770 a 0.9750286 Node 119.97653 +0.14624080 +0.96270678 e 0.0858649 Incl. 18.92300 -0.25248580 +0.25879330 P 0.96 H 24.2 G 0.15 U 5 Residuals in seconds of arc 180122 703 (1.9- 3.6-) 180122 K63 0.4+ 0.2+ 180123 G40 0.1+ 0.0 180122 703 0.6- 0.2- 180122 204 0.3+ 0.1- 180124 W34 0.2- 0.9- 180122 703 0.1+ 1.3+ 180122 204 0.0 0.3- 180124 585 0.5+ 0.3- 180122 718 0.4+ 0.2+ 180122 204 0.1- 0.1- 180124 585 0.3+ 0.1+ 180122 I52 0.1- 0.1- 180122 204 0.1+ 0.3- 180124 585 0.3+ 0.8- 180122 I52 0.1- 0.0 180122 204 0.0 0.3- 180124 585 0.1- 0.3- 180122 I52 0.1+ 0.2- 180122 G40 0.1+ 0.1- 180124 585 0.1- 0.2- 180122 I52 0.1- 0.1+ 180122 G40 0.2+ 0.5+ 180124 585 0.4- 0.1+ 180122 718 0.5+ 0.6- 180122 G40 0.1+ 0.4- 180124 585 0.1+ 0.7- 180122 718 0.6+ 0.7- 180122 203 0.3+ 0.1- 180124 585 0.0 0.5- 180122 718 0.1+ 0.4+ 180122 203 0.0 0.1+ 180124 W34 0.4+ 0.0 180122 H06 0.2- 0.1+ 180122 203 0.4+ 0.2+ 180124 W34 0.2+ 0.3+ 180122 H06 0.1+ 1.3+ 180123 I52 0.0 0.1- 180124 I52 0.1- 0.6- 180122 703 0.0 0.1+ 180123 I52 0.1+ 0.2- 180124 I52 0.2- 0.1+ 180122 703 0.6+ 0.9- 180123 I52 0.1- 0.4- 180124 I52 0.1- 0.0 180122 703 0.5- 1.0- 180123 I52 0.1- 0.1+ 180124 I52 0.4+ 0.2- 180122 703 0.8- 0.8- 180123 L04 0.1- 0.0 180124 H06 0.1+ 0.2- 180122 I52 0.6- 0.2- 180123 L04 0.2- 0.1+ 180124 H06 0.2- 0.4- 180122 I52 0.2- 0.9- 180123 L04 0.2- 0.2- 180124 H06 0.5- 0.3- 180122 I52 0.0 0.2- 180123 587 0.2- 0.7+ 180125 H01 0.1- 0.2- 180122 I52 0.0 0.2+ 180123 587 0.3- 0.2+ 180125 H01 0.1- 0.2- 180122 I52 0.1- 0.0 180123 587 0.2- 0.4+ 180125 H01 0.1- 0.2- 180122 I52 0.1+ 0.1- 180123 160 0.1- 0.1+ 180125 H01 0.2- 0.1- 180122 I52 0.0 0.3+ 180123 160 0.1+ 0.8+ 180125 I52 0.4- 0.1- 180122 I52 0.2- 0.7+ 180123 160 0.2+ 0.6+ 180125 I52 0.1- 0.1- 180122 C77 0.5+ 0.3+ 180123 160 0.3+ 0.5+ 180125 I52 0.1+ 0.3- 180122 C77 1.4- 1.2+ 180123 160 0.8+ 0.0 180125 I52 0.0 0.1+ 180122 C77 (0.6- 2.2-) 180123 B74 0.3- 0.3+ 180125 H36 0.8+ 1.3+ 180122 C77 0.1+ 0.6+ 180123 B74 0.1- 0.2+ 180125 H36 0.2+ 0.0 180122 K63 0.3- 0.3+ 180123 B74 0.1- 0.1+ 180125 H36 0.1- 0.3+ 180122 K63 0.2+ 0.1+ 180123 G40 0.4- 0.1+ Ephemeris: 2018 BF5 a,e,i = 0.98, 0.09, 19 q = 0.8913 Date TT R. A. (2000) Decl. Delta r Elong. Phase V 2017 12 26 08 27 49.6 -74 11 58 0.1399 0.9695 80.2 91.7 23.1 ... 2018 01 10 07 47 20.2 -61 36 28 0.05962 0.9917 96.2 80.3 20.9 ... 2018 01 18 07 10 55.8 -15 52 14 0.02417 1.0029 141.7 37.5 17.6 ... 2018 01 24 06 34 17.7 +54 14 58 0.03471 1.0109 139.3 39.4 18.5 2018 01 25 06 27 35.3 +59 39 32 0.03936 1.0122 134.0 44.4 18.9 2018 01 26 06 20 46.5 +63 51 32 0.04430 1.0135 129.8 48.3 19.3 ... 2018 02 01 05 39 26.4 +76 25 47 0.07656 1.0209 115.7 60.4 20.8 ... 2018 02 09 04 53 47.1 +81 44 15 0.1212 1.0298 107.7 65.9 22.0 ... 2018 02 24 04 46 16.5 +84 45 59 0.2015 1.0437 100.0 69.0 23.2 A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-B125


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