MPEC 2018-W23 : 2018 WF
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M.P.E.C. 2018-W23 Issued 2018 Nov. 18, 21:19 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 WF
Observations:
K18W00F* C2018 11 17.19633 02 16 02.85 +20 44 45.5 18.6 GVEW023G96
K18W00F C2018 11 17.20190 02 16 18.83 +20 40 55.4 18.6 GVEW023G96
K18W00F C2018 11 17.20747 02 16 34.80 +20 37 05.3 18.6 GVEW023G96
K18W00F C2018 11 17.21305 02 16 50.95 +20 33 11.4 18.6 GVEW023G96
K18W00F C2018 11 17.22527 02 17 24.41 +20 24 29.3 18.1 GVEW023H01
K18W00F C2018 11 17.22873 02 17 34.35 +20 22 04.6 18.2 GVEW023H01
K18W00F C2018 11 17.23904 02 18 04.12 +20 14 49.7 18.4 GVEW023H01
K18W00F C2018 11 17.24914 02 18 33.29 +20 07 42.0 18.4 GVEW023H01
K18W00F C2018 11 17.25997 02 19 06.32 +20 00 14.0 18.6 GVEW023I52
K18W00F C2018 11 17.26074 02 19 08.53 +19 59 41.6 18.5 GVEW023I52
K18W00F C2018 11 17.26151 02 19 10.75 +19 59 08.8 18.4 GVEW023I52
K18W00F C2018 11 17.26228 02 19 12.96 +19 58 35.8 18.7 GVEW023I52
K18W00F 1C2018 11 17.28031 02 20 10.96 +19 43 42.9 LEW023658
K18W00F 1C2018 11 17.28074 02 20 12.25 +19 43 24.5 LEW023658
K18W00F 1C2018 11 17.28160 02 20 14.88 +19 42 47.7 LEW023658
K18W00F 1C2018 11 17.28245 02 20 17.41 +19 42 11.9 LEW023658
K18W00F 1C2018 11 17.28288 02 20 18.68 +19 41 53.8 LEW023658
K18W00F 1C2018 11 17.28331 02 20 19.96 +19 41 35.8 LEW023658
K18W00F KC2018 11 17.78957 02 47 06.28 +13 10 20.1 17.4 RVEW023113
K18W00F KC2018 11 17.79187 02 47 13.51 +13 08 26.7 17.6 RVEW023113
K18W00F KC2018 11 17.79418 02 47 20.70 +13 06 32.8 17.5 RVEW023113
K18W00F KC2018 11 17.79650 02 47 27.98 +13 04 39.0 18.1 RVEW023113
K18W00F KC2018 11 17.80430 02 47 54.74 +12 58 44.0 UEW023587
K18W00F KC2018 11 17.80776 02 48 05.49 +12 55 53.5 UEW023587
K18W00F KC2018 11 17.81113 02 48 15.97 +12 53 07.9 18.2 GUEW023587
K18W00F KC2018 11 17.82974 02 49 09.59 +12 37 41.8 18.2 RoEW023K88
K18W00F KC2018 11 17.83275 02 49 18.85 +12 35 12.4 18.2 RoEW023K88
K18W00F KC2018 11 17.83575 02 49 28.16 +12 32 42.9 18.1 RoEW023K88
K18W00F C2018 11 17.89751 02 52 40.90 +11 41 00.7 18.2 VEW023246
K18W00F C2018 11 17.89760 02 52 41.12 +11 40 56.5 VEW023246
K18W00F C2018 11 17.89843 02 52 43.68 +11 40 14.3 VEW023246
K18W00F C2018 11 17.89852 02 52 43.96 +11 40 09.3 VEW023246
K18W00F C2018 11 17.89873 02 52 44.60 +11 39 59.3 18.1 VEW023246
K18W00F KC2018 11 17.90780 02 53 17.29 +11 31 45.6 18.2 GVEW023Z99
K18W00F KC2018 11 17.90921 02 53 21.67 +11 30 34.7 18.2 GVEW023Z99
K18W00F KC2018 11 17.91130 02 53 28.17 +11 28 49.8 18.2 GVEW023Z99
K18W00F pC2018 11 17.91135002 53 23.90 +11 29 46.8 19.0 GVEW023L01
K18W00F KC2018 11 17.91194702 53 25.71 +11 29 16.6 18.4 GVEW023L01
K18W00F KC2018 11 17.91452202 53 33.70 +11 27 04.8 18.6 GVEW023L01
K18W00F KC2018 11 17.91531402 53 36.12 +11 26 24.8 18.6 GVEW023L01
K18W00F KC2018 11 17.97226402 56 34.95 +10 38 13.0 18.1 GVEW023C95
K18W00F KC2018 11 17.97576 02 56 48.66 +10 34 22.2 19.6 GVEW023Z80
K18W00F KC2018 11 17.98029 02 57 02.72 +10 30 27.6 18.6 GVEW023Z80
K18W00F KC2018 11 17.98483 02 57 16.73 +10 26 35.3 18.7 GVEW023Z80
K18W00F KC2018 11 17.99258602 57 37.75 +10 20 48.1 18.4 GVEW023C95
K18W00F KC2018 11 17.99934 02 58 02.29 +10 14 09.5 18.2 GVEW023J95
K18W00F KC2018 11 18.00027 02 58 05.19 +10 13 21.5 18.3 GVEW023J95
K18W00F KC2018 11 18.00120 02 58 08.05 +10 12 33.8 18.3 GVEW023J95
K18W00F KC2018 11 18.00219 02 58 11.12 +10 11 42.8 18.5 GVEW023J95
K18W00F KC2018 11 18.07959 03 02 45.98 +09 06 33.6 18.5 RuEW023850
K18W00F C2018 11 18.09935 03 03 55.80 +08 49 27.8 18.2 GVEW023I52
K18W00F C2018 11 18.10155 03 04 02.75 +08 47 34.1 18.1 GVEW023I52
K18W00F C2018 11 18.10375 03 04 09.72 +08 45 39.6 18.4 GVEW023I52
K18W00F C2018 11 18.10594 03 04 16.69 +08 43 45.8 18.1 GVEW023I52
K18W00F KC2018 11 18.11179 03 04 26.33 +08 38 41.6 18.4 RuEW023850
K18W00F KC2018 11 18.11809 03 04 45.90 +08 33 13.0 18.2 RuEW023850
K18W00F KC2018 11 18.12558 03 05 09.16 +08 26 42.6 18.4 RuEW023850
Observer details:
113 Volkssternwarte Drebach, Schoenbrunn. Observers G. Lehmann, K. Lehmann.
0.5-m f/4.6 reflector + CCD.
246 Klet Observatory-KLENOT. Observers M. Tichy, J. Ticha. Measurer
M. Tichy. 1.06-m KLENOT Telescope + CCD.
587 Sormano. Observers A. Fumagalli, P. Sicoli, A. Testa. Measurer
P. Sicoli. 0.5-m f/6.8 reflector + CCD.
658 National Research Council of Canada. Observer D. D. Balam. 1.82-m
reflector + CCD.
850 Cordell-Lorenz Observatory, Sewanee. Observers D. T. Durig,
E. B. White. 0.3-m f/9.4 Schmidt-Cassegrain + 3072x2048 CCD.
C95 SATINO Remote Observatory, Haute Provence. Observer J. Jahn. 0.60-m
f/3.2 Newtonian reflector + CCD.
G96 Mt. Lemmon Survey. Observer H. Groeller. 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.
I52 Steward Observatory, Mt. Lemmon Station. Observer R. A. Kowalski.
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.
J95 Great Shefford. Observer P. Birtwhistle. 0.41-m f/6.3
Schmidt-Cassegrain + CCD.
K88 GINOP-KHK, Piszkesteto. Observer A. Ordasi. Measurer K. Sarneczky.
0.60-m Schmidt + CCD.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector
+ CCD.
Z80 Northolt Branch Observatory. Observer G. Wells. Measurer 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 WF Earth MOID = 0.0174 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 51.30868 (2000.0) P Q
n 0.34186675 Peri. 192.44001 +0.39405743 -0.89628148
a 2.0256519 Node 234.69841 +0.86316662 +0.43693996
e 0.5070488 Incl. 14.43656 +0.31569308 -0.07591426
P 2.88 H 26.5 G 0.15 U 6
Residuals in seconds of arc
181117 G96 0.6+ 0.2- 181117 113 0.1+ 0.8- 181117 L01 0.0 0.3-
181117 G96 0.2- 0.4+ 181117 113 0.0 1.2- 181117 L01 0.3- 0.2-
181117 G96 (1.1- 1.6+) 181117 113 0.8+ 1.0- 181117 C95 1.4- 1.2+
181117 G96 0.0 0.0 181117 587 0.2+ 0.1- 181117 Z80 0.8+ 1.4+
181117 H01 0.4+ 0.1- 181117 587 0.1+ 0.3- 181117 Z80 0.7+ 0.8-
181117 H01 0.2- 0.6+ 181117 587 0.2+ 0.2+ 181117 Z80 0.7- 0.0
181117 H01 0.1+ 0.2+ 181117 K88 0.4- 0.6+ 181117 C95 1.0- 0.6+
181117 H01 0.1- 0.2+ 181117 K88 1.0- 0.7+ 181117 J95 0.4+ 0.2-
181117 I52 0.3+ 0.1+ 181117 K88 0.3- 0.3+ 181118 J95 0.5+ 0.3-
181117 I52 0.0 0.5+ 181117 246 0.9+ 0.4+ 181118 J95 0.0 0.1-
181117 I52 0.1- 0.5+ 181117 246 0.1+ 0.7+ 181118 J95 0.1- 0.1-
181117 I52 0.3- 0.4+ 181117 246 0.0 0.4+ 181118 850 0.4+ 0.1-
181117 658 (2.7- 2.0-) 181117 246 0.0 0.0 181118 I52 0.2- 0.2-
181117 658 (2.3- 2.0-) 181117 246 0.1- 0.6+ 181118 I52 0.6- 0.2+
181117 658 (0.8- 1.9-) 181117 Z99 0.0 0.6- 181118 I52 0.5- 0.3-
181117 658 0.3- 1.3- 181117 Z99 0.0 0.3- 181118 I52 0.0 0.5-
181117 658 0.2- 1.0- 181117 Z99 0.0 0.4+ 181118 850 0.2- 0.2+
181117 658 0.1+ 0.5- 181117 L01 0.4- 1.0+ 181118 850 0.3- 0.1-
181117 113 0.7- 0.3- 181117 L01 0.8- 1.0+ 181118 850 0.1- 0.3+
Ephemeris:
2018 WF a,e,i = 2.03, 0.51, 14 q = 0.9985
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 10 19 22 08 42.2 +47 40 10 0.1858 1.1077 122.7 49.1 24.9
...
2018 11 03 22 23 40.3 +47 32 39 0.09639 1.0434 119.8 55.6 23.5
...
2018 11 11 23 17 06.6 +45 10 43 0.04926 1.0196 125.6 52.2 21.9
...
2018 11 17 02 06 02.7 +22 58 03 0.01976 1.0074 160.5 19.1 19.0
2018 11 18 02 58 05.6 +10 19 43 0.01770 1.0059 168.0 11.8 18.5
2018 11 19 03 51 57.9 -04 24 34 0.01765 1.0045 155.9 23.6 18.9
...
2018 11 25 07 05 08.3 -41 06 16 0.04318 0.9992 105.0 72.6 22.2
...
2018 12 03 08 08 41.7 -45 34 27 0.08919 1.0005 96.9 78.0 24.0
...
2018 12 18 08 36 21.5 -46 13 08 0.1732 1.0281 99.9 70.5 25.2
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-W23
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