MPEC 2018-T85 : 2018 TW1
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M.P.E.C. 2018-T85 Issued 2018 Oct. 7, 15:39 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 TW1
Observations:
K18T01W* C2018 10 05.24360 00 15 46.88 +18 15 29.5 19.4 GVET085703
K18T01W C2018 10 05.24894 00 16 11.02 +18 13 48.2 19.4 GVET085703
K18T01W C2018 10 05.25429 00 16 35.49 +18 12 05.5 19.4 GVET085703
K18T01W C2018 10 05.25963 00 17 00.11 +18 10 22.6 19.4 GVET085703
K18T01W C2018 10 05.30243600 20 13.87 +17 56 00.3 18.4 GVET085H01
K18T01W C2018 10 05.30686600 20 34.34 +17 54 30.7 18.6 GVET085H01
K18T01W C2018 10 05.31598500 21 16.60 +17 51 24.9 19.1 GVET085H01
K18T01W C2018 10 05.32342000 21 51.14 +17 48 52.1 18.5 GVET085H01
K18T01W C2018 10 05.36078 00 24 48.13 +17 36 12.0 18.8 GVET085I52
K18T01W C2018 10 05.36142 00 24 51.14 +17 35 58.4 18.4 GVET085I52
K18T01W C2018 10 05.36207 00 24 54.20 +17 35 44.5 18.9 GVET085I52
K18T01W C2018 10 05.36271 00 24 57.23 +17 35 30.9 19.0 GVET085I52
K18T01W C2018 10 05.48711 00 34 59.35 +16 48 51.0 18.3 GVET085I52
K18T01W C2018 10 05.48813 00 35 04.40 +16 48 26.7 19.0 GVET085I52
K18T01W C2018 10 05.48915 00 35 09.52 +16 48 02.8 18.1 GVET085I52
K18T01W C2018 10 05.49018 00 35 14.62 +16 47 38.3 18.8 GVET085I52
K18T01W KC2018 10 05.83250 01 06 15.98 +14 22 41.6 17.9 RVET085113
K18T01W KC2018 10 05.83712 01 06 40.14 +14 20 38.0 18.3 RVET085113
K18T01W KC2018 10 05.84174 01 07 04.45 +14 18 33.1 17.9 RVET085113
K18T01W KC2018 10 05.85822 01 08 28.47 +14 11 48.1 18.2 RoET085K88
K18T01W KC2018 10 05.86158 01 08 45.97 +14 10 17.0 18.5 RoET085K88
K18T01W KC2018 10 05.86492 01 09 03.35 +14 08 45.8 17.9 RoET085K88
K18T01W KC2018 10 05.87701 01 10 11.55 +14 02 43.7 18.2 RqET085A17
K18T01W KC2018 10 05.87898 01 10 21.89 +14 01 49.6 17.9 RqET085A17
K18T01W C2018 10 05.88049 01 10 27.23 +14 01 22.8 VET085246
K18T01W C2018 10 05.88058 01 10 27.67 +14 01 19.5 VET085246
K18T01W C2018 10 05.88067 01 10 28.18 +14 01 16.8 VET085246
K18T01W C2018 10 05.88076 01 10 28.70 +14 01 14.9 VET085246
K18T01W C2018 10 05.88086 01 10 29.15 +14 01 10.0 VET085246
K18T01W C2018 10 05.88104 01 10 30.12 +14 01 07.1 VET085246
K18T01W KC2018 10 05.88172 01 10 36.25 +14 00 34.5 17.8 RqET085A17
K18T01W KC2018 10 05.95453401 17 02.44 +13 26 07.1 18.3 GVET085J95
K18T01W KC2018 10 05.95641801 17 12.34 +13 25 13.7 18.6 GVET085J95
K18T01W KC2018 10 05.95869601 17 24.30 +13 24 08.7 18.8 GVET085J95
K18T01W KC2018 10 05.96061401 17 34.36 +13 23 13.7 18.9 GVET085J95
K18T01W C2018 10 06.14861 01 35 11.31 +11 52 18.7 18.2 GVET085I52
K18T01W C2018 10 06.14874 01 35 11.97 +11 52 15.8 18.5 GVET085I52
K18T01W C2018 10 06.14886 01 35 12.70 +11 52 12.3 18.1 GVET085I52
K18T01W C2018 10 06.14899 01 35 13.35 +11 52 08.4 18.7 GVET085I52
K18T01W KC2018 10 07.09986902 57 57.58 +03 13 54.1 19.0 GVET085J95
K18T01W KC2018 10 07.10113102 58 03.42 +03 13 13.5 19.3 GVET085J95
K18T01W KC2018 10 07.10244102 58 09.56 +03 12 32.2 19.1 GVET085J95
K18T01W KC2018 10 07.12481 02 59 46.55 +03 01 30.5 19 GVET085204
K18T01W KC2018 10 07.13011 03 00 11.05 +02 58 42.0 VET085204
Observer details:
113 Volkssternwarte Drebach, Schoenbrunn. Observers G. Lehmann, K. Lehmann.
0.5-m f/4.6 reflector + CCD.
204 Schiaparelli Observatory. Observer L. Buzzi. 0.60-m f/4.64 reflector
+ CCD.
246 Klet Observatory-KLENOT. Observers M. Tichy, J. Ticha, M. Janda.
Measurer M. Tichy. 1.06-m KLENOT Telescope + CCD.
703 Catalina Sky 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. 0.68-m Schmidt + 10K CCD.
A17 Guidestar Observatory, Weinheim. Observers M. Emmerich, S. Melchert.
0.36-m f/6 Schmidt-Cassegrain + 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 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. 1.0-m reflector + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.41-m f/6.3 Schmidt-Cassegrain
+ CCD.
K88 GINOP-KHK, Piszkesteto. Observer D. Tarczay-Nehez. Measurer K. Sarneczky.
0.60-m Schmidt + CCD.
Orbital elements:
2018 TW1 Earth MOID = 0.0101 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 72.67893 (2000.0) P Q
n 0.37682232 Peri. 191.70680 +0.91017732 -0.41286633
a 1.8983588 Node 192.83432 +0.39115570 +0.88326056
e 0.4712603 Incl. 8.65987 +0.13628817 +0.22224351
P 2.62 H 27.8 G 0.15 U 6
Residuals in seconds of arc
181005 703 1.0- 0.2- 181005 I52 0.5- 0.1+ 181005 A17 0.8+ 0.2+
181005 703 (3.3- 0.2-) 181005 113 1.5+ 0.1+ 181005 J95 0.4- 0.0
181005 703 1.9- 0.8- 181005 113 0.6+ 0.1+ 181005 J95 0.2- 0.3+
181005 703 1.8+ 1.3- 181005 113 2.1+ 0.9- 181005 J95 0.2- 0.3+
181005 H01 0.5+ 0.2- 181005 K88 0.1- 0.4+ 181005 J95 0.4- 0.1+
181005 H01 0.4+ 0.1- 181005 K88 0.2- 0.7+ 181006 I52 0.0 0.6-
181005 H01 0.5+ 0.1- 181005 K88 0.5- 0.5+ 181006 I52 0.5- 0.4+
181005 H01 0.5+ 0.1- 181005 A17 0.3+ 0.4+ 181006 I52 0.7+ 0.5+
181005 I52 0.4+ 0.1- 181005 A17 0.6+ 0.2+ 181006 I52 0.0 0.4+
181005 I52 0.3+ 0.1- 181005 246 0.2+ 0.6+ 181007 J95 0.0 0.0
181005 I52 0.3+ 0.1- 181005 246 0.2- 0.2- 181007 J95 0.5- 0.4-
181005 I52 0.6+ 0.1- 181005 246 0.4+ 0.5- 181007 J95 0.1+ 0.1+
181005 I52 0.2+ 0.3+ 181005 246 1.1+ 0.1+ 181007 204 0.5+ 0.0
181005 I52 0.4- 0.1+ 181005 246 0.1+ 2.1- 181007 204 0.7+ 0.0
181005 I52 0.1+ 0.2+ 181005 246 0.5+ 0.0
Ephemeris:
2018 TW1 a,e,i = 1.90, 0.47, 9 q = 1.0037
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 09 07 20 11 38.0 +21 16 31 0.1365 1.1008 130.1 44.5 25.4
...
2018 09 22 20 22 00.9 +22 37 43 0.06765 1.0425 123.2 53.6 24.0
...
2018 09 30 21 07 25.6 +23 41 48 0.03163 1.0214 128.1 50.5 22.2
...
2018 10 06 01 20 52.5 +13 12 45 0.01118 1.0108 168.0 11.9 18.8
2018 10 07 02 49 46.8 +04 17 14 0.01143 1.0095 150.0 29.7 19.4
2018 10 08 04 01 26.4 -03 37 33 0.01340 1.0084 132.1 47.4 20.2
...
2018 10 14 06 26 27.4 -17 19 36 0.03697 1.0041 99.1 78.8 23.4
...
2018 10 22 07 00 47.2 -19 35 19 0.07241 1.0062 96.6 79.3 24.9
...
2018 11 06 07 14 48.2 -20 19 36 0.1361 1.0332 104.2 68.5 25.9
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-T85
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