MPEC 2018-B89 : 2018 BB3
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M.P.E.C. 2018-B89 Issued 2018 Jan. 21, 23:53 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 BB3 Observations: K18B03B* C2018 01 18.32252 09 47 18.36 +27 01 43.8 18.5 GUEB089703 K18B03B C2018 01 18.32782 09 47 10.32 +27 08 52.2 18.3 GUEB089703 K18B03B C2018 01 18.33312 09 47 02.28 +27 15 59.7 18.5 GUEB089703 K18B03B C2018 01 18.35529 09 46 28.27 +27 45 26.5 17.8 GUEB089I52 K18B03B C2018 01 18.35541 09 46 28.08 +27 45 36.1 18.0 GUEB089I52 K18B03B C2018 01 18.35554 09 46 27.90 +27 45 46.0 18.0 GUEB089I52 K18B03B C2018 01 18.35566 09 46 27.70 +27 45 55.9 18.0 GUEB089I52 K18B03B C2018 01 18.38052609 45 48.33 +28 17 55.4 18.0 GUEB089H01 K18B03B C2018 01 18.38620709 45 39.83 +28 25 08.8 18.0 GUEB089H01 K18B03B C2018 01 18.39400809 45 28.19 +28 34 59.7 17.9 GUEB089H01 K18B03B C2018 01 18.40243209 45 15.70 +28 45 32.1 18.1 GUEB089H01 K18B03B KC2018 01 18.81597309 37 38.32 +35 47 35.0 18.9 GUEB089587 K18B03B KC2018 01 18.81908309 37 35.01 +35 50 14.8 UEB089587 K18B03B KC2018 01 18.82219409 37 31.72 +35 52 54.3 UEB089587 K18B03B C2018 01 18.87170 09 36 36.86 +36 33 56.2 18.1 VSEB089033 K18B03B C2018 01 18.87234 09 36 36.17 +36 34 27.8 18.1 VSEB089033 K18B03B C2018 01 18.87296 09 36 35.50 +36 34 58.4 18.3 VSEB089033 K18B03B C2018 01 18.87360 09 36 34.82 +36 35 29.7 18.3 VSEB089033 K18B03B KC2018 01 18.91533809 35 52.53 +37 08 21.9 UEB089J95 K18B03B KC2018 01 18.91721109 35 50.54 +37 09 50.0 UEB089J95 K18B03B KC2018 01 18.91946509 35 48.19 +37 11 35.7 UEB089J95 K18B03B KC2018 01 18.92140409 35 46.10 +37 13 07.0 18.8 GUEB089J95 K18B03B C2018 01 18.95713 09 35 05.37 +37 40 50.8 19.3 VSEB089033 K18B03B C2018 01 18.95775 09 35 04.69 +37 41 19.2 19.2 VSEB089033 K18B03B C2018 01 18.95839 09 35 04.02 +37 41 47.6 19.3 VSEB089033 K18B03B C2018 01 18.95902 09 35 03.35 +37 42 16.0 19.2 VSEB089033 K18B03B C2018 01 18.95965 09 35 02.67 +37 42 44.1 19.5 VSEB089033 K18B03B C2018 01 18.96028 09 35 02.01 +37 43 12.6 19.7 VSEB089033 K18B03B KC2018 01 19.01207 09 34 08.42 +38 21 30.9 UEB089204 K18B03B KC2018 01 19.01685 09 34 03.34 +38 24 55.6 19.3 GUEB089204 K18B03B KC2018 01 19.02163 09 33 58.31 +38 28 19.0 UEB089204 K18B03B C2018 01 19.20182909 31 33.01 +40 26 05.0 18.8 GUEB089H01 K18B03B C2018 01 19.21019309 31 25.19 +40 31 16.5 18.8 GUEB089H01 K18B03B C2018 01 19.21941909 31 16.54 +40 36 57.2 18.9 GUEB089H01 K18B03B C2018 01 19.22846909 31 08.04 +40 42 28.8 18.7 GUEB089H01 K18B03B KC2018 01 19.95529 09 22 14.93 +46 16 46.8 19.7 UEB089K63 K18B03B KC2018 01 19.95990 09 22 11.81 +46 18 24.7 19.5 UEB089K63 K18B03B KC2018 01 19.96421 09 22 08.73 +46 19 57.7 20.0 UEB089K63 K18B03B KC2018 01 20.00217 09 21 41.07 +46 33 13.0 20.0 VqEB089595 K18B03B KC2018 01 20.01071 09 21 35.07 +46 36 09.0 19.7 VqEB089595 K18B03B KC2018 01 20.02183 09 21 27.33 +46 39 57.0 19.9 VqEB089595 K18B03B C2018 01 20.19840909 20 00.23 +47 36 28.3 19.7 GUEB089H01 K18B03B C2018 01 20.20641409 19 55.24 +47 38 59.7 19.5 GUEB089H01 K18B03B C2018 01 20.21265909 19 51.33 +47 40 57.0 18.8 GUEB089H01 K18B03B C2018 01 20.21882909 19 47.44 +47 42 52.4 19.4 GUEB089H01 Observer details: 033 Karl Schwarzschild Observatory, Tautenburg. Observers F. Ludwig, B. Stecklum. Measurer B. Stecklum. 1.34-m f/3 Schmidt + CCD. 204 Schiaparelli Observatory. Observer L. Buzzi. 0.60-m f/4.64 reflector + CCD. 587 Sormano. Observers A. Fumagalli, P. Sicoli, A. Testa. 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 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. 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. K63 G. Pascoli Observatory, Castelvecchio Pascoli. Observer R. Bacci. 0.40-m f/3.2 Newtonian reflector + CCD. Orbital elements: 2018 BB3 Earth MOID = 0.0099 AU Epoch 2017 Sept. 4.0 TT = JDT 2458000.5 MPC M 324.66791 (2000.0) P Q n 0.39230831 Peri. 286.75001 +0.61749958 -0.67367415 a 1.8480670 Node 117.84815 +0.77327439 +0.61444234 e 0.6053774 Incl. 27.33600 -0.14401732 +0.41063821 P 2.51 H 25.6 G 0.15 U 5 Residuals in seconds of arc 180118 703 (1.3- 3.7+) 180118 033 0.4- 0.1- 180119 204 1.0+ 0.9- 180118 703 0.3+ 0.8+ 180118 033 0.5- 0.2+ 180119 H01 0.4- 0.5- 180118 703 1.7+ 0.6- 180118 033 0.4- 0.3+ 180119 H01 0.4- 0.4- 180118 I52 0.1+ 0.7- 180118 J95 0.2- 0.0 180119 H01 0.4- 0.5- 180118 I52 0.0 0.6- 180118 J95 0.4- 0.0 180119 H01 0.3- 0.5- 180118 I52 0.2+ 0.9- 180118 J95 0.2- 0.0 180119 K63 0.8- 0.9+ 180118 I52 0.0 0.5- 180118 J95 0.8- 0.5+ 180119 K63 0.7+ 0.7- 180118 H01 0.5+ 0.4- 180118 033 0.1+ 0.0 180119 K63 0.3+ 0.2- 180118 H01 0.6+ 0.5- 180118 033 0.1- 0.4+ 180120 595 0.9+ 0.5+ 180118 H01 0.6+ 0.5- 180118 033 0.0 0.0 180120 595 0.7+ 0.2+ 180118 H01 0.7+ 0.4- 180118 033 0.1+ 0.0 180120 595 0.9+ 0.6+ 180118 587 1.2- 1.0+ 180118 033 0.0 0.3- 180120 H01 0.1- 0.2+ 180118 587 1.3- 0.8+ 180118 033 0.1+ 0.1- 180120 H01 0.0 0.2+ 180118 587 1.2- 0.6+ 180119 204 0.6+ 1.4- 180120 H01 0.0 0.0 180118 033 0.4- 0.4- 180119 204 0.5+ 1.0- 180120 H01 0.1- 0.1- Ephemeris: 2018 BB3 a,e,i = 1.85, 0.61, 27 q = 0.7293 Date TT R. A. (2000) Decl. Delta r Elong. Phase V 2017 12 22 20 11 14.8 -62 43 48 0.3292 0.7862 45.0 117.8 27.3 ... 2018 01 06 20 09 23.3 -67 47 56 0.1391 0.8928 46.3 127.2 26.5 ... 2018 01 14 18 07 19.3 -77 07 31 0.04061 0.9621 56.9 121.0 23.5 ... 2018 01 20 09 21 40.8 +46 32 09 0.03807 1.0170 149.6 29.3 19.8 2018 01 21 09 13 19.0 +50 52 25 0.05007 1.0264 146.8 31.7 20.5 2018 01 22 09 07 21.3 +53 29 04 0.06229 1.0357 144.9 33.2 21.0 ... 2018 01 28 08 50 52.3 +58 51 03 0.1372 1.0926 139.4 35.9 22.9 ... 2018 02 05 08 43 59.0 +59 56 20 0.2392 1.1694 135.8 36.0 24.3 ... 2018 02 20 08 43 43.8 +58 33 24 0.4385 1.3128 129.7 35.4 25.9 A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-B89


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