MPEC 2018-R75 : 2018 RB2
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ReadMPEC 2018-R74
ReadMPEC 2018-R76M.P.E.C. 2018-R75 Issued 2018 Sept. 8, 23:54 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 RB2Observations: K18R02B* C2018 09 07.26955 22 03 11.61 +15 07 35.1 18.71gUER075I41 K18R02B C2018 09 07.26990 22 03 12.09 +15 07 47.6 18.71gUER075I41 K18R02B C2018 09 07.29571 22 03 54.43 +15 23 46.9 18.17RUER075I41 K18R02B C2018 09 07.29605 22 03 54.94 +15 23 59.6 18.17RUER075I41 K18R02B C2018 09 07.31212 22 04 20.70 +15 33 37.7 UER075I41 K18R02B C2018 09 07.31247 22 04 21.39 +15 33 52.0 UER075I41 K18R02B KC2018 09 07.89341 22 19 25.05 +19 56 03.8 18.6 GVER075J95 K18R02B KC2018 09 07.89745 22 19 29.12 +19 57 29.4 18.9 GVER075J95 K18R02B KC2018 09 07.89877 22 19 30.47 +19 57 57.3 19.0 GVER075J95 K18R02B KC2018 09 07.98136 22 20 42.50 +20 27 08.2 18.7 GVER075104 K18R02B KC2018 09 07.98303 22 20 44.05 +20 27 41.4 19.2 GVER075104 K18R02B KC2018 09 07.98848 22 20 49.02 +20 29 24.4 18.8 GVER075104 K18R02B C2018 09 08.12099 22 23 53.20 +21 10 38.7 18.3 GVER075I52 K18R02B C2018 09 08.12117 22 23 53.34 +21 10 41.8 18.3 GVER075I52 K18R02B C2018 09 08.12199 22 23 54.03 +21 10 57.1 VER075I52 K18R02B KC2018 09 08.86893 22 33 37.62 +23 57 30.8 19.5 RqER075160 K18R02B KC2018 09 08.87158 22 33 38.92 +23 57 59.3 19.0 RqER075160 K18R02B KC2018 09 08.87453 22 33 40.37 +23 58 31.4 19.5 RqER075160 K18R02B IC2018 09 08.90971122 33 55.78 +24 04 30.5 19.8 GVER075L01 K18R02B KC2018 09 08.91163922 33 56.65 +24 04 50.3 19.9 GVER075L01 K18R02B IC2018 09 08.91378322 33 57.66 +24 05 11.6 19.8 GVER075L01 K18R02B KC2018 09 08.92544 22 34 19.34 +24 09 02.2 19.6 GVER075J04 K18R02B KC2018 09 08.92602 22 34 19.59 +24 09 08.7 19.5 GVER075J04 K18R02B KC2018 09 08.92660 22 34 19.85 +24 09 14.6 19.6 GVER075J04 K18R02B KC2018 09 08.94848 22 34 15.22 +24 11 09.9 19.0 RqER075K63 K18R02B KC2018 09 08.95177 22 34 16.71 +24 11 42.6 19.3 RqER075K63 K18R02B KC2018 09 08.95450 22 34 17.94 +24 12 09.4 19.5 RqER075K63Observer details:104 San Marcello Pistoiese. Observers P. Bacci, M. Maestripieri, M. Fragai. Measurers P. Bacci, L. Tesi, G. Fagioli. 0.60-m reflector + CCD.160 Castelmartini. Observers M. Jaeger, E. Prosperi, S. Prosperi, W. Vollmann. Measurer E. Prosperi. 0.35-m f/10 Schmidt-Cassegrain + CCD.I41 Palomar Mountain--ZTF. Observer A. U. Tomatic. Measurers A. J. Nielsen, Q.-Z. Ye. 1.2-m f/2.4 Schmidt + ZTF camera, 1.2-m f/2.44 Oschin Schmidt + ZTF camera.I52 Steward Observatory, Mt. Lemmon Station. 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. 1.0-m reflector + CCD.J04 ESA Optical Ground Station, Tenerife. Observer D. Abreu. Measurers A. Knoefel, D. Koschny, M. Micheli, M. Busch, E. Schwab. 1.0-m f/4.4 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. Observers K. Korlevic, I. Lyon. Measurer K. Korlevic. 1.0-m f/2.9 reflector + CCD.Orbital elements:2018 RB2 EarthMOID = 0.0015 AUEpoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPCM 282.03300 (2000.0) P Qn 0.62013439 Peri. 310.63173 +0.40272481 +0.91411945a 1.3619009 Node 342.93791 -0.78414701 +0.31813464e 0.3203861 Incl. 9.19529 -0.47215059 +0.25134832P 1.59 H 27.2 G 0.15 U 6Residuals in seconds of arc180907 I41 (1.7+ 0.1+) 180907 104 0.3- 0.3- 180908 L01 0.2+ 0.1-180907 I41 0.2+ 0.6- 180907 104 0.0 1.0+ 180908 L01 0.3- 0.1-180907 I41 0.4+ 0.3+ 180907 104 0.1+ 0.1+ 180908 L01 0.2- 0.7-180907 I41 0.2- 0.5+ 180908 I52 0.5+ 0.4- 180908 J04 0.2+ 0.3-180907 I41 (2.0- 2.1-) 180908 I52 0.2+ 0.6- 180908 J04 0.1+ 0.1+180907 I41 0.2- 0.3- 180908 I52 0.1- 0.4- 180908 J04 0.0 0.2-180907 J95 0.1+ 0.5+ 180908 160 0.2- 0.4+ 180908 K63 0.3+ 0.2-180907 J95 0.2- 0.1- 180908 160 0.2- 0.3+ 180908 K63 0.2+ 0.1+180907 J95 0.0 0.3- 180908 160 0.2- 0.7+ 180908 K63 0.1+ 0.1+Ephemeris:2018 RB2 a,e,i = 1.36, 0.32, 9 q = 0.9256Date TT R. A. (2000) Decl. Delta r Elong. Phase V2018 08 09 11 08 25.0 -30 45 41 0.1476 0.9353 54.2 118.4 27.6...2018 08 24 11 19 41.1 -34 21 54 0.06720 0.9679 48.5 128.5 26.8...2018 09 01 11 40 51.6 -38 40 45 0.02490 0.9932 49.3 129.7 24.8...2018 09 07 21 52 49.8 +11 56 16 0.0080921.0152 155.1 24.7 17.92018 09 08 22 21 11.8 +20 37 25 0.01301 1.0191 151.4 28.3 19.12018 09 09 22 34 46.6 +24 22 05 0.01815 1.0230 149.0 30.5 19.9...2018 09 15 22 58 08.6 +29 49 17 0.04986 1.0475 146.1 32.4 22.2...2018 09 23 23 05 39.1 +30 32 23 0.09331 1.0829 146.8 30.5 23.5...2018 10 08 23 14 07.2 +29 11 57 0.1804 1.1546 146.8 28.2 25.0A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-R75
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