MPEC 2018-G65 : 2018 GW1
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M.P.E.C. 2018-G65 Issued 2018 Apr. 12, 18:00 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 GW1
Observations:
K18G01W* C2018 04 11.34329 13 19 06.90 -03 01 11.9 17.7 GUEG065703
K18G01W C2018 04 11.34851 13 19 21.19 -02 56 28.3 17.6 GUEG065703
K18G01W C2018 04 11.36150 13 19 56.65 -02 44 46.2 17.6 GUEG065703
K18G01W C2018 04 11.42599213 22 47.58 -01 48 33.1 17.5 GUEG065H01
K18G01W C2018 04 11.43198813 23 03.33 -01 43 27.1 17.5 GUEG065H01
K18G01W KC2018 04 11.43771313 23 56.71 -01 26 56.5 17.9 RUEG065474
K18G01W KC2018 04 11.43810613 23 57.76 -01 26 36.3 18.5 RUEG065474
K18G01W KC2018 04 11.43849913 23 58.77 -01 26 16.7 18.3 RUEG065474
K18G01W KC2018 04 11.43889213 23 59.75 -01 25 57.3 18.5 RUEG065474
K18G01W KC2018 04 11.43948113 24 01.34 -01 25 27.9 18.5 RUEG065474
K18G01W C2018 04 11.44273513 23 31.44 -01 34 22.4 17.4 GUEG065H01
K18G01W C2018 04 11.44655413 23 41.40 -01 31 09.6 17.6 GUEG065H01
K18G01W C2018 04 11.45352 13 24 00.26 -01 25 08.2 17.2 GUEG065I52
K18G01W C2018 04 11.45364 13 24 00.58 -01 25 01.9 17.2 GUEG065I52
K18G01W C2018 04 11.45377 13 24 00.91 -01 24 56.1 17.2 GUEG065I52
K18G01W C2018 04 11.45389 13 24 01.23 -01 24 49.8 17.4 GUEG065I52
K18G01W KC2018 04 11.52000713 27 21.57 -00 20 02.5 18.0 RUEG065474
K18G01W KC2018 04 11.52099013 27 23.93 -00 19 15.6 18.0 RUEG065474
K18G01W KC2018 04 11.52138213 27 24.85 -00 18 57.3 17.9 RUEG065474
K18G01W KC2018 04 11.52177313 27 25.79 -00 18 38.8 18.1 RUEG065474
K18G01W KC2018 04 11.63366 13 31 50.22 +01 04 28.8 18.3 VqEG065E23
K18G01W KC2018 04 11.64060 13 32 05.30 +01 09 28.9 18.3 VqEG065E23
K18G01W KC2018 04 11.64754 13 32 20.33 +01 14 27.8 18.3 VqEG065E23
K18G01W KC2018 04 11.83982 13 39 41.86 +03 11 53.9 17.9 RoEG065K88
K18G01W KC2018 04 11.84278 13 39 47.47 +03 13 44.7 17.6 RoEG065K88
K18G01W KC2018 04 11.84574 13 39 53.13 +03 15 34.9 17.9 RoEG065K88
K18G01W C2018 04 12.10659 13 47 26.74 +05 42 40.4 20.3 VSEG065033
K18G01W C2018 04 12.10721 13 47 27.69 +05 42 59.4 19.9 VSEG065033
K18G01W C2018 04 12.19228 13 50 18.14 +06 27 14.8 18.3 GUEG065I52
K18G01W C2018 04 12.19246 13 50 18.40 +06 27 19.7 18.2 GUEG065I52
K18G01W C2018 04 12.19264 13 50 18.68 +06 27 25.3 18.1 GUEG065I52
K18G01W C2018 04 12.19282 13 50 18.95 +06 27 30.6 18.0 GUEG065I52
K18G01W C2018 04 12.32079 13 53 18.00 +07 27 07.2 18.6 GUEG065G96
K18G01W C2018 04 12.32593 13 53 24.85 +07 29 24.6 18.7 GUEG065G96
K18G01W C2018 04 12.33107 13 53 31.59 +07 31 40.0 18.8 GUEG065G96
K18G01W C2018 04 12.33621 13 53 38.39 +07 33 57.2 UEG065G96
K18G01W C2018 04 12.58129 13 59 20.37 +09 13 17.1 18.7 RrEG065P93
K18G01W C2018 04 12.58329 13 59 22.67 +09 14 02.3 18.7 RrEG065P93
K18G01W C2018 04 12.58528 13 59 24.92 +09 14 47.4 18.9 RrEG065P93
K18G01W C2018 04 12.58729 13 59 27.24 +09 15 32.4 18.9 RrEG065P93
K18G01W C2018 04 12.58928 13 59 29.48 +09 16 18.0 18.7 RrEG065P93
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers F. Ludwig,
B. Stecklum. Measurer B. Stecklum. 1.34-m f/3 Schmidt + CCD.
474 Mount John Observatory, Lake Tekapo. Observers A. C. Gilmore,
P. M. Kilmartin. Measurer P. M. Kilmartin. 1.0-m f/7.7 reflector + CCD.
703 Catalina Sky Survey. Observer J. A. Johnson. Measurers B. M. Africano,
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. L. Seaman, F. C. Shelly.
0.68-m Schmidt + 10K CCD.
E23 Arcadia. Observer A. Hidas. 0.35-m f/1.9 reflector + CCD.
G96 Mt. Lemmon Survey. Observer G. J. Leonard. Measurers B. M. Africano,
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. 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 reflector + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer J. A. Johnson.
Measurers B. M. Africano, 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. L. Seaman, F. C. Shelly. 1.0-m reflector + CCD.
K88 GINOP-KHK, Piszkesteto. Observer K. Sarneczky. 0.60-m Schmidt + CCD.
P93 Space Tracking and Communications Center, JAXA. Observers K. Nishiyama,
S. Urakawa. 1.0-m f/3.0 reflector + CCD.
Orbital elements:
2018 GW1 Earth MOID = 0.0097 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 10.11902 (2000.0) P Q
n 0.45458583 Peri. 305.67317 -0.82281184 -0.55955921
a 1.6751696 Node 200.86965 +0.56831359 -0.81031503
e 0.4750484 Incl. 16.19669 -0.00058100 -0.17402027
P 2.17 H 26.5 G 0.15 U 6
Residuals in seconds of arc
180411 703 0.9+ 0.4+ 180411 I52 0.2- 0.3- 180412 I52 0.2- 0.1+
180411 703 0.1+ 0.3- 180411 I52 0.0 0.0 180412 I52 0.3- 0.3-
180411 703 0.2- 0.7- 180411 474 0.1- 0.5- 180412 I52 0.1- 0.1+
180411 H01 0.0 0.2+ 180411 474 0.0 0.0 180412 I52 0.1- 0.1+
180411 H01 0.1+ 0.1+ 180411 474 0.3- 0.2- 180412 G96 0.2- 0.0
180411 474 0.3- 0.1- 180411 474 0.3- 0.2- 180412 G96 0.5+ 0.5+
180411 474 0.1+ 0.3+ 180411 E23 0.4+ 0.4+ 180412 G96 0.2- 0.5-
180411 474 0.1+ 0.1+ 180411 E23 0.2+ 0.6+ 180412 G96 0.4+ 0.8+
180411 474 0.5- 0.3- 180411 E23 0.2+ 1.1+ 180412 P93 0.3- 0.0
180411 474 0.5+ 0.5- 180411 K88 0.3+ 0.1- 180412 P93 0.0 0.1-
180411 H01 0.0 0.1- 180411 K88 0.6- 0.0 180412 P93 0.2- 0.0
180411 H01 0.0 0.2+ 180411 K88 0.4- 0.2- 180412 P93 0.4+ 0.5-
180411 I52 0.2- 0.1+ 180412 033 0.4+ 0.4- 180412 P93 0.2+ 0.2+
180411 I52 0.1- 0.4+ 180412 033 0.3- 0.5-
Ephemeris:
2018 GW1 a,e,i = 1.68, 0.48, 16 q = 0.8794
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 03 13 03 05 26.0 -27 50 18 0.2180 0.8929 56.7 111.6 27.2
...
2018 03 28 03 26 02.7 -31 06 12 0.1014 0.9429 54.6 120.3 26.3
...
2018 04 05 04 00 58.1 -37 09 52 0.03954 0.9818 61.1 116.9 24.1
...
2018 04 11 12 59 36.8 -08 52 35 0.01316 1.0151 175.7 4.3 17.5
2018 04 12 13 44 31.9 +04 50 52 0.01929 1.0210 165.4 14.3 18.8
2018 04 13 14 07 00.1 +11 34 13 0.02637 1.0269 157.0 22.4 19.7
...
2018 04 19 14 45 12.0 +21 54 06 0.07258 1.0639 144.1 33.6 22.3
...
2018 04 27 14 54 36.1 +23 48 43 0.1366 1.1164 141.4 34.2 23.8
...
2018 05 12 14 58 01.5 +22 48 51 0.2628 1.2207 139.0 32.9 25.4
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-G65
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