MPEC 2018-W83 : 2018 WX1
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M.P.E.C. 2018-W83 Issued 2018 Nov. 30, 12:03 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 WX1 Observations: K18W01X* C2018 11 28.36760 04 35 50.63 +36 12 54.6 18.5 GVEW083G96 K18W01X C2018 11 28.37272 04 35 50.31 +36 12 25.6 18.5 GVEW083G96 K18W01X C2018 11 28.37785 04 35 49.98 +36 11 56.2 18.5 GVEW083G96 K18W01X C2018 11 28.38301 04 35 49.68 +36 11 26.2 18.0 GVEW083G96 K18W01X C2018 11 28.40810204 35 47.65 +36 08 52.5 18.0 GVEW083H01 K18W01X C2018 11 28.41275104 35 47.42 +36 08 25.1 18.0 GVEW083H01 K18W01X C2018 11 28.42216704 35 46.95 +36 07 29.2 18.0 GVEW083H01 K18W01X C2018 11 28.42879904 35 46.64 +36 06 49.6 18.0 GVEW083H01 K18W01X C2018 11 28.51316 04 35 44.21 +35 58 22.7 VEW083I52 K18W01X C2018 11 28.51444 04 35 44.28 +35 58 14.2 18.7 GVEW083I52 K18W01X C2018 11 28.51682 04 35 44.13 +35 58 00.3 VEW083I52 K18W01X C2018 11 28.51810 04 35 44.09 +35 57 51.4 18.5 GVEW083I52 K18W01X C2018 11 28.68610 04 35 54.07 +35 42 32.1 19.0 RoEW083P93 K18W01X C2018 11 28.68973 04 35 53.86 +35 42 09.7 18.8 RoEW083P93 K18W01X C2018 11 28.69296 04 35 53.62 +35 41 49.7 19.1 RoEW083P93 K18W01X C2018 11 28.69457 04 35 53.50 +35 41 40.1 18.8 RoEW083P93 K18W01X KC2018 11 28.70007 04 36 08.21 +35 39 07.1 17.1 RqEW083K61 K18W01X KC2018 11 28.70248 04 36 08.14 +35 38 55.0 17.3 RqEW083K61 K18W01X KC2018 11 28.70357 04 36 08.22 +35 38 48.2 17.4 RqEW083K61 K18W01X KC2018 11 28.70537 04 36 08.17 +35 38 37.9 17.4 RqEW083K61 K18W01X KC2018 11 28.70777 04 36 08.28 +35 38 25.0 17.5 RqEW083K61 K18W01X KC2018 11 28.70956 04 36 08.31 +35 38 15.1 17.6 RqEW083K61 K18W01X KC2018 11 28.77922 04 36 08.28 +35 31 44.9 17.5 RVEW083113 K18W01X KC2018 11 28.78268 04 36 08.25 +35 31 25.0 17.4 RVEW083113 K18W01X KC2018 11 28.78615 04 36 08.05 +35 31 07.1 18.1 RVEW083113 K18W01X KC2018 11 28.83531 04 36 08.62 +35 26 36.5 18.8 VqEW083C77 K18W01X KC2018 11 28.84274 04 36 08.36 +35 25 53.8 18.6 VqEW083C77 K18W01X KC2018 11 28.84295104 36 08.14 +35 25 52.5 17.9 GVEW083K41 K18W01X KC2018 11 28.84649804 36 08.04 +35 25 32.1 17.9 GVEW083K41 K18W01X KC2018 11 28.84792 04 36 07.81 +35 25 28.1 18.8 VEW083104 K18W01X KC2018 11 28.84995504 36 07.92 +35 25 13.0 18.0 GVEW083K41 K18W01X KC2018 11 28.85031 04 36 08.09 +35 25 10.3 18.3 VqEW083C77 K18W01X KC2018 11 28.85090 04 36 07.70 +35 25 11.0 VEW083104 K18W01X KC2018 11 28.85388 04 36 07.61 +35 24 54.2 18.6 VEW083104 K18W01X KC2018 11 28.87021 04 36 06.94 +35 23 11.8 17.2 RVEW083K38 K18W01X KC2018 11 28.88912 04 36 06.10 +35 21 19.9 17.6 RVEW083K38 K18W01X KC2018 11 28.90993 04 36 05.09 +35 19 15.7 17.4 RVEW083K38 K18W01X KC2018 11 28.91707 04 36 04.51 +35 18 40.4 17.4 RqEW083160 K18W01X KC2018 11 28.91983 04 36 04.36 +35 18 24.1 17.8 RqEW083160 K18W01X KC2018 11 28.92124 04 36 04.28 +35 18 15.1 17.6 RqEW083160 K18W01X KC2018 11 28.92262 04 36 04.25 +35 18 07.7 18.0 RqEW083160 K18W01X KC2018 11 28.92542 04 36 04.07 +35 17 49.6 16.8 RqEW083160 K18W01X KC2018 11 28.97175304 36 00.72 +35 12 57.5 18.4 GVEW083L01 K18W01X KC2018 11 28.97261804 36 00.65 +35 12 51.9 18.3 GVEW083L01 K18W01X KC2018 11 28.97348504 36 00.60 +35 12 46.4 18.3 GVEW083L01 K18W01X KC2018 11 28.97434904 36 00.55 +35 12 41.5 18.3 GVEW083L01 K18W01X KC2018 11 28.97521304 36 00.50 +35 12 35.3 18.3 GVEW083L01 K18W01X KC2018 11 29.03674204 35 58.39 +35 06 05.5 16.6 GVEW083C95 K18W01X KC2018 11 29.04169504 35 58.11 +35 05 33.3 16.8 GVEW083C95 K18W01X KC2018 11 29.31117 04 36 01.36 +34 36 09.0 18.1 GUEW083H36 K18W01X KC2018 11 29.31442 04 36 01.16 +34 35 46.2 18.2 GUEW083H36 K18W01X KC2018 11 29.31754 04 36 00.94 +34 35 24.3 18.1 GUEW083H36 K18W01X KC2018 11 29.77901 04 36 19.37 +33 38 46.6 18.0 VtEW083L04 K18W01X KC2018 11 29.78318 04 36 19.25 +33 38 16.4 18.2 VtEW083L04 K18W01X KC2018 11 29.78763 04 36 19.11 +33 37 44.2 18.1 VtEW083L04 K18W01X KC2018 11 29.87694 04 36 17.94 +33 25 59.9 18.0 GVEW083Z99 K18W01X KC2018 11 29.87956 04 36 17.85 +33 25 40.2 17.9 GVEW083Z99 K18W01X KC2018 11 29.88217 04 36 17.79 +33 25 20.4 18.0 GVEW083Z99 K18W01X KC2018 11 29.91931704 36 16.59 +33 20 43.8 16.4 GVEW083Z80 K18W01X KC2018 11 29.92626204 36 16.15 +33 19 50.2 17.3 GVEW083Z80 K18W01X KC2018 11 29.93320404 36 15.89 +33 18 56.1 17.8 GVEW083Z80 K18W01X KC2018 11 30.01084 04 36 09.18 +33 09 04.4 16.6 RVEW083K63 K18W01X KC2018 11 30.01257 04 36 09.08 +33 08 50.1 17.8 RVEW083K63 K18W01X KC2018 11 30.01448 04 36 08.98 +33 08 34.1 17.6 RVEW083K63 K18W01X KC2018 11 30.08276 04 36 03.29 +32 58 17.4 17.7 RqEW083585 K18W01X KC2018 11 30.08326 04 36 03.27 +32 58 13.2 17.6 RqEW083585 K18W01X KC2018 11 30.08388 04 36 03.26 +32 58 07.8 17.7 RqEW083585 K18W01X KC2018 11 30.08450 04 36 03.25 +32 58 02.5 17.8 RqEW083585 K18W01X KC2018 11 30.08512 04 36 03.25 +32 57 57.0 17.7 RqEW083585 Observer details: 104 San Marcello Pistoiese. Observers P. Bacci, M. Maestripieri, M. D. Grazia. Measurers P. Bacci, L. Tesi, G. Fagioli. 0.60-m reflector + CCD. 113 Volkssternwarte Drebach, Schoenbrunn. Observer G. Lehmann. 0.5-m f/4.6 reflector + CCD. 160 Castelmartini. Observers M. Jaeger, E. Prosperi, S. Prosperi, W. Vollmann. Measurer E. Prosperi. 0.35-m f/10 Schmidt-Cassegrain + CCD. 585 Kyiv comet station. Observer A. Baransky. 0.7-m f/4 reflector + CCD. C77 Bernezzo Observatory. Observer A. Mantero. 0.25-m f/1000.0 reflector + CCD. C95 SATINO Remote Observatory, Haute Provence. Observer J. Jahn. 0.60-m f/3.2 Newtonian reflector + CCD. G96 Mt. Lemmon Survey. Observer B. M. Africano. 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. 1.5-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 Ritchey-Chretien + CCD. H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD. 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. K38 M57 Observatory, Saltrio. Observer G. Baj. 0.3-m f/5.5 Ritchey-Chretien + CCD. K41 Vegaquattro Astronomical Observatory, Novi Ligure. Observer V. Luna. 0.3-m Schmidt-Cassegrain + CCD. K61 Rokycany Observatory. Observer M. Adamovsky. 0.51-m f/6.8 reflector + CCD. K63 G. Pascoli Observatory, Castelvecchio Pascoli. Observer R. Bacci. 0.41-m f/3.2 Newtonian reflector + CCD. L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector + CCD. L04 ROASTERR-1 Observatory, Cluj-Napoca. Observer L. Hudin. 0.3-m f/5 reflector + CCD. P93 Space Tracking and Communications Center, JAXA. Observers S. Urakawa, A. Asami. 1.0-m f/3.0 reflector + CCD. Z80 Northolt Branch Observatory. Observer G. Wells. Measurers G. Wells, D. Bamberger. 0.25-m f/8.0 Ritchey-Chretien + CCD. Z99 Clixby Observatory, Cleethorpes. Observer A. Mickleburgh. 0.36-m f/8 Schmidt-Cassegrain + CCD. Orbital elements: 2018 WX1 Earth MOID = 0.0124 AU Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC M 65.82951 (2000.0) P Q n 0.83054550 Peri. 265.67047 -0.90505520 -0.40315073 a 1.1208834 Node 250.50800 +0.42438192 -0.83524517 e 0.2798993 Incl. 8.26065 +0.02784020 -0.37394517 P 1.19 H 24.1 G 0.15 U 7 Residuals in seconds of arc 181128 G96 0.0 0.2- 181128 113 0.9+ 0.6- 181128 L01 0.1- 0.5- 181128 G96 0.1+ 0.0 181128 113 0.9- 1.1+ 181129 C95 0.4+ 0.1+ 181128 G96 0.1+ 0.0 181128 C77 0.0 0.1+ 181129 C95 0.4+ 0.4+ 181128 G96 0.3+ 0.3- 181128 C77 0.3- 0.0 181129 H36 0.1- 0.1- 181128 H01 0.1- 0.1- 181128 K41 0.2- 0.4- 181129 H36 0.1+ 0.3- 181128 H01 0.0 0.0 181128 K41 0.1+ 0.4- 181129 H36 0.1- 0.3- 181128 H01 0.1- 0.0 181128 104 0.0 0.2- 181129 L04 0.1- 0.1- 181128 H01 0.1- 0.0 181128 K41 0.1+ 0.4+ 181129 L04 0.1- 0.1- 181128 I52 0.1- 0.0 181128 C77 0.4- 0.1+ 181129 L04 0.1- 0.0 181128 I52 1.0+ 0.5- 181128 104 0.0 0.1- 181129 Z99 0.2+ 0.1- 181128 I52 0.4- 0.5+ 181128 104 0.4+ 0.4+ 181129 Z99 0.2+ 0.0 181128 I52 0.7- 0.4- 181128 K38 0.1- 0.2+ 181129 Z99 0.6+ 0.1- 181128 P93 0.0 0.4+ 181128 K38 0.1- 0.3- 181129 Z80 0.6+ 0.2+ 181128 P93 0.3+ 0.1+ 181128 K38 0.0 0.2- 181129 Z80 0.7- 0.1+ 181128 P93 0.1- 0.1- 181128 160 0.0 0.0 181129 Z80 0.3+ 0.2- 181128 P93 0.3- 0.2+ 181128 160 0.0 0.5+ 181130 K63 0.1- 0.2- 181128 K61 0.6+ 0.2- 181128 160 0.0 0.0 181130 K63 0.0 0.2- 181128 K61 0.8- 0.9+ 181128 160 0.6+ 1.0+ 181130 K63 0.3+ 0.5- 181128 K61 0.1- 0.1+ 181128 160 0.4+ 0.1- 181130 585 0.3- 0.1+ 181128 K61 1.0- 0.3- 181128 L01 0.1+ 0.2- 181130 585 0.3- 0.2+ 181128 K61 0.1- 0.0 181128 L01 0.1- 0.3- 181130 585 0.3- 0.2+ 181128 K61 0.1- 0.1- 181128 L01 0.1- 0.3- 181130 585 0.2- 0.3+ 181128 113 0.8+ 0.2- 181128 L01 0.1- 0.3+ 181130 585 0.0 0.2+ Ephemeris: 2018 WX1 a,e,i = 1.12, 0.28, 8 q = 0.8071 Date TT R. A. (2000) Decl. Delta r Elong. Phase V 2018 10 31 04 23 41.7 +43 53 36 0.2124 1.1637 140.0 33.2 22.5 ... 2018 11 15 04 32 43.3 +43 47 34 0.1214 1.0964 150.3 26.6 20.9 ... 2018 11 23 04 34 55.5 +41 16 49 0.07708 1.0590 157.1 21.2 19.7 ... 2018 11 29 04 36 01.4 +35 10 37 0.04555 1.0307 165.7 13.7 18.2 2018 11 30 04 36 12.0 +33 11 22 0.04048 1.0259 168.0 11.5 17.9 2018 12 01 04 36 23.4 +30 37 38 0.03550 1.0212 170.8 8.8 17.5 ... 2018 12 07 04 39 09.6 -29 53 53 0.01254 0.9929 127.5 52.0 16.5 ... 2018 12 15 16 32 04.8 -68 10 16 0.04129 0.9559 45.8 132.5 23.0 ... 2018 12 30 16 40 44.9 -54 51 49 0.1200 0.8920 38.1 137.2 25.7 A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-W83


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