MPEC 2018-G52 : 2018 GJ1
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M.P.E.C. 2018-G52 Issued 2018 Apr. 11, 15:54 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 the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2018 GJ1
Observations:
K18G01J* C2018 04 08.33603 12 54 11.82 +06 24 31.0 19.3 GUEG052703
K18G01J C2018 04 08.34132 12 54 11.01 +06 24 34.2 19.7 GUEG052703
K18G01J C2018 04 08.34661 12 54 10.20 +06 24 36.8 UEG052703
K18G01J C2018 04 08.35190 12 54 09.34 +06 24 41.3 19.8 GUEG052703
K18G01J C2018 04 08.45887 12 53 52.72 +06 25 42.1 19.2 GUEG052703
K18G01J C2018 04 08.46298 12 53 52.08 +06 25 46.2 19.8 GUEG052703
K18G01J KC2018 04 08.53955 12 53 42.49 +06 27 03.5 19.7 VqEG052E23
K18G01J KC2018 04 08.55344 12 53 40.30 +06 27 12.0 19.0 VqEG052E23
K18G01J KC2018 04 08.56733 12 53 38.07 +06 27 19.7 19.5 VqEG052E23
K18G01J C2018 04 08.57647 12 53 37.13 +06 26 52.2 19.6 RrEG052P93
K18G01J C2018 04 08.58132 12 53 36.37 +06 26 55.2 19.6 RrEG052P93
K18G01J C2018 04 08.58619 12 53 35.57 +06 26 57.8 19.6 RrEG052P93
K18G01J C2018 04 08.59103 12 53 34.80 +06 27 00.9 19.5 RrEG052P93
K18G01J KC2018 04 08.79756 12 53 04.77 +06 28 56.1 18.3 RqEG052K61
K18G01J KC2018 04 08.79974 12 53 04.42 +06 28 57.4 18.4 RqEG052K61
K18G01J KC2018 04 08.80235 12 53 04.02 +06 28 58.8 18.3 RqEG052K61
K18G01J KC2018 04 08.80872 12 53 02.92 +06 29 02.0 19.1 RUEG052113
K18G01J KC2018 04 08.81248 12 53 02.38 +06 29 03.7 19.4 RUEG052113
K18G01J KC2018 04 08.81624 12 53 01.78 +06 29 06.2 19.1 RUEG052113
K18G01J KC2018 04 08.82000 12 53 01.21 +06 29 08.4 19.7 RUEG052113
K18G01J C2018 04 08.83445 12 52 59.00 +06 29 18.4 qEG052246
K18G01J C2018 04 08.83514 12 52 58.85 +06 29 18.5 qEG052246
K18G01J C2018 04 08.83539 12 52 58.79 +06 29 19.3 qEG052246
K18G01J C2018 04 08.83639 12 52 58.67 +06 29 19.5 qEG052246
K18G01J C2018 04 08.83709 12 52 58.59 +06 29 19.8 qEG052246
K18G01J KC2018 04 08.83782 12 52 58.33 +06 29 19.8 19.5 VSEG052C43
K18G01J KC2018 04 08.84109 12 52 57.87 +06 29 20.7 19.6 VSEG052C43
K18G01J KC2018 04 08.84330 12 52 57.66 +06 29 23.5 19.0 RqEG052A17
K18G01J KC2018 04 08.84490 12 52 57.30 +06 29 22.2 19.4 VSEG052C43
K18G01J KC2018 04 08.85542 12 52 55.74 +06 29 29.9 19.1 RqEG052A17
K18G01J KC2018 04 08.86701 12 52 53.96 +06 29 36.9 19.1 RqEG052A17
K18G01J KC2018 04 08.89257 12 52 49.77 +06 29 53.0 19.7 VSEG052C47
K18G01J KC2018 04 08.89830 12 52 48.85 +06 29 56.3 19.4 VSEG052C47
K18G01J KC2018 04 08.90403 12 52 47.95 +06 29 59.8 19.4 VSEG052C47
K18G01J KC2018 04 08.91119 12 52 46.81 +06 30 04.0 19.4 VSEG052C47
K18G01J C2018 04 09.16554 12 52 09.06 +06 32 41.0 18.8 GUEG052I52
K18G01J C2018 04 09.16801 12 52 08.63 +06 32 42.1 18.9 GUEG052I52
K18G01J C2018 04 09.17049 12 52 08.25 +06 32 43.7 19.0 GUEG052I52
K18G01J C2018 04 09.17297 12 52 07.86 +06 32 45.2 19.1 GUEG052I52
K18G01J KC2018 04 09.41822 12 51 30.22 +06 35 42.5 18.4 qEG052E08
K18G01J KC2018 04 09.42703 12 51 28.80 +06 35 47.6 18.2 qEG052E08
K18G01J KC2018 04 09.44763 12 51 25.47 +06 36 00.0 18.1 qEG052E08
K18G01J C2018 04 09.84183 12 50 22.72 +06 39 17.6 18.3 RqEG052L33
K18G01J C2018 04 09.85198 12 50 21.14 +06 39 22.2 18.7 RqEG052L33
K18G01J C2018 04 09.86291 12 50 19.20 +06 39 29.0 18.7 RqEG052L33
K18G01J KC2018 04 09.88020 12 50 16.58 +06 39 39.4 18.9 RoEG052K88
K18G01J KC2018 04 09.88400 12 50 15.96 +06 39 41.6 19.0 RoEG052K88
K18G01J KC2018 04 09.88781 12 50 15.31 +06 39 43.9 18.9 RoEG052K88
K18G01J C2018 04 09.93781 12 50 06.97 +06 40 13.6 qEG052246
K18G01J C2018 04 09.93807 12 50 06.94 +06 40 13.8 qEG052246
K18G01J C2018 04 09.93833 12 50 06.91 +06 40 13.9 qEG052246
K18G01J C2018 04 09.93921 12 50 06.80 +06 40 13.8 19.4 RqEG052246
K18G01J C2018 04 09.93949 12 50 06.77 +06 40 13.9 qEG052246
K18G01J C2018 04 09.93983 12 50 06.70 +06 40 14.6 qEG052246
K18G01J KC2018 04 09.97847 12 49 59.85 +06 40 36.6 18.9 RqEG052585
K18G01J KC2018 04 09.97918 12 49 59.74 +06 40 37.0 18.9 RqEG052585
K18G01J KC2018 04 09.97990 12 49 59.62 +06 40 37.4 18.9 RqEG052585
K18G01J KC2018 04 09.98062 12 49 59.51 +06 40 37.7 19.0 RqEG052585
K18G01J KC2018 04 09.98134 12 49 59.39 +06 40 38.2 19.0 RqEG052585
K18G01J KC2018 04 09.98206 12 49 59.27 +06 40 38.6 19.0 RqEG052585
K18G01J KC2018 04 09.98314 12 49 59.09 +06 40 39.1 19.1 RqEG052585
K18G01J KC2018 04 09.98385 12 49 58.97 +06 40 39.6 19.1 RqEG052585
K18G01J C2018 04 10.18065 12 49 29.11 +06 42 44.4 19.0 GUEG052I52
K18G01J C2018 04 10.18379 12 49 28.58 +06 42 46.4 19.2 GUEG052I52
K18G01J C2018 04 10.18925 12 49 27.66 +06 42 49.5 19.6 GUEG052I52
K18G01J C2018 04 10.19116 12 49 27.34 +06 42 51.0 19.0 GUEG052I52
K18G01J KC2018 04 10.38357 12 48 56.65 +06 45 16.9 17.8 qEG052E08
K18G01J KC2018 04 10.39239 12 48 55.22 +06 45 21.5 18.0 qEG052E08
K18G01J KC2018 04 10.40104 12 48 53.72 +06 45 27.7 18.2 qEG052E08
K18G01J C2018 04 10.81880 12 47 44.15 +06 48 56.5 19.5 VSEG052033
K18G01J C2018 04 10.82012 12 47 43.93 +06 48 57.3 19.0 VSEG052033
K18G01J C2018 04 10.82143 12 47 43.70 +06 48 58.0 19.3 VSEG052033
K18G01J KC2018 04 10.87930 12 47 33.46 +06 49 34.5 18.6 RoEG052K88
K18G01J KC2018 04 10.88184 12 47 33.01 +06 49 36.2 18.8 RoEG052K88
K18G01J KC2018 04 10.88438 12 47 32.57 +06 49 37.8 18.8 RoEG052K88
K18G01J C2018 04 10.92516 12 47 25.55 +06 50 00.6 20.0 VSEG052033
K18G01J C2018 04 10.92648 12 47 25.32 +06 50 01.4 20.2 VSEG052033
K18G01J C2018 04 10.92780 12 47 25.09 +06 50 02.2 20.1 VSEG052033
K18G01J C2018 04 11.14313 12 46 50.01 +06 52 17.4 17.9 GUEG052I52
K18G01J C2018 04 11.14846 12 46 49.03 +06 52 20.9 19.0 GUEG052I52
K18G01J C2018 04 11.15378 12 46 48.11 +06 52 24.6 18.4 GUEG052I52
K18G01J C2018 04 11.32109 12 46 17.73 +06 54 04.9 18.4 GUEG052703
K18G01J C2018 04 11.32639 12 46 16.91 +06 54 08.3 18.2 GUEG052703
K18G01J C2018 04 11.33170 12 46 15.87 +06 54 11.7 19.0 GUEG052703
K18G01J C2018 04 11.33700 12 46 14.97 +06 54 13.9 UEG052703
K18G01J !C2018 04 11.34542 12 46 13.75 +06 54 18.2 18.3 RtEG052673
K18G01J !C2018 04 11.34746 12 46 13.27 +06 54 20.4 tEG052673
K18G01J !C2018 04 11.34972 12 46 12.82 +06 54 22.0 tEG052673
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers F. Ludwig,
B. Stecklum. Measurer B. Stecklum. 1.34-m f/3 Schmidt + CCD.
113 Volkssternwarte Drebach, Schoenbrunn. Observer G. 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.
585 Kyiv comet station. Observer A. Baransky. 0.7-m f/4 reflector + CCD.
673 Table Mountain Observatory, Wrightwood. Observer J. Pittichova. 1.0-m
f/15 reflector + CCD.
703 Catalina Sky Survey. Observers B. M. Africano, 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.
A17 Guidestar Observatory, Weinheim. Observers M. Emmerich, S. Melchert.
0.36-m f/6 Schmidt-Cassegrain + CCD.
C43 Hoyerswerda. Observer P. Lindner. 0.30-m f/6.3 Schmidt-Cassegrain + CCD.
C47 Nonndorf. Observer G. Dangl. 0.25-m f/4.8 reflector + CCD.
E08 Wobblesock Observatory, Coonabarabran. Observer J. Nott. 0.35-m
reflector + CCD.
E23 Arcadia. Observer A. Hidas. 0.35-m f/1.9 reflector + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observers B. M. Africano,
A. R. Gibbs, 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.
K61 Rokycany Observatory. Observers M. Adamovsky, M. Masek. Measurer
M. Adamovsky. 0.51-m f/6.8 reflector + CCD.
K88 GINOP-KHK, Piszkesteto. Observer K. Sarneczky. 0.60-m Schmidt + CCD.
L33 Ananjev. Observer N. Mishevskiy. Measurers N. Mishevskiy, S. Khlamov.
0.25-m f/4.7 reflector + CCD.
P93 Space Tracking and Communications Center, JAXA. Observers T. Fujiwara,
A. Asami. 1.0-m f/3.0 reflector + CCD.
Orbital elements:
2018 GJ1 PHA, Earth MOID = 0.0142 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 322.02501 (2000.0) P Q
n 0.40159826 Peri. 250.66457 +0.32126387 +0.94409139
a 1.8194558 Node 38.32819 -0.81787038 +0.31601968
e 0.5558404 Incl. 6.85616 -0.47736523 +0.09393084
P 2.45 H 20.8 G 0.15 U 7
Residuals in seconds of arc
180408 703 0.2- 0.3- 180408 A17 0.3+ 0.4- 180409 585 0.3+ 0.3-
180408 703 0.1+ 0.2- 180408 C47 0.1+ 0.0 180409 585 0.2+ 0.2-
180408 703 0.4+ 0.7- 180408 C47 0.1- 0.1- 180410 I52 0.1- 0.0
180408 703 0.0 0.7+ 180408 C47 0.1+ 0.0 180410 I52 0.0 0.1+
180408 703 0.2+ 0.5- 180408 C47 0.1+ 0.1- 180410 I52 0.1+ 0.1-
180408 703 0.0 1.2+ 180409 I52 0.6+ 0.1+ 180410 I52 0.2+ 0.2+
180408 E23 0.3- 0.2+ 180409 I52 0.1+ 0.3- 180410 E08 0.3- 0.2+
180408 E23 0.1- 0.4+ 180409 I52 0.4+ 0.2- 180410 E08 0.4+ 0.6-
180408 E23 0.4- 0.1- 180409 I52 0.5+ 0.2- 180410 E08 0.2- 0.3+
180408 P93 0.2- 0.1+ 180409 E08 0.0 0.3+ 180410 033 0.1+ 0.0
180408 P93 0.0 0.2+ 180409 E08 0.1+ 0.1+ 180410 033 0.2+ 0.0
180408 P93 0.4- 0.1- 180409 E08 0.4+ 0.1- 180410 033 0.1+ 0.0
180408 P93 0.4- 0.1+ 180409 L33 0.7- 1.1+ 180410 K88 0.1- 0.1+
180408 K61 0.8+ 0.5+ 180409 L33 1.0+ 0.4- 180410 K88 0.1- 0.3+
180408 K61 0.7+ 0.5+ 180409 L33 0.7- 0.1- 180410 K88 0.0 0.3+
180408 K61 0.7+ 0.3+ 180409 K88 0.0 0.1+ 180410 033 0.1- 0.0
180408 113 0.7- 0.0 180409 K88 0.2+ 0.1+ 180410 033 0.1- 0.0
180408 113 0.1- 0.6- 180409 K88 0.0 0.1+ 180410 033 0.1- 0.0
180408 113 0.3- 0.3- 180409 246 1.1- 0.3+ 180411 I52 0.1+ 0.4-
180408 113 0.1- 0.4- 180409 246 0.8- 0.4+ 180411 I52 0.4- 0.2-
180408 246 0.5+ 0.2+ 180409 246 0.6- 0.3+ 180411 I52 0.1- 0.2+
180408 246 0.1- 0.1- 180409 246 0.1- 0.3- 180411 703 1.6- 0.4-
180408 246 0.5- 0.6+ 180409 246 0.2+ 0.4- 180411 703 0.5+ 0.1-
180408 246 0.1+ 0.2+ 180409 246 0.0 0.1+ 180411 703 0.5- 0.2+
180408 246 0.5+ 0.0 180409 585 0.1- 0.0 180411 703 0.5+ 0.8-
180408 C43 1.0- 0.5+ 180409 585 0.1+ 0.0 180411 673 1.9+ 0.6-
180408 C43 0.2- 0.5- 180409 585 0.1+ 0.1- 180411 673 0.3+ 0.4+
180408 A17 0.0 0.4+ 180409 585 0.2+ 0.2- 180411 673 0.3- 0.7+
180408 C43 0.2+ 1.3- 180409 585 0.2+ 0.1-
180408 A17 0.3- 0.5- 180409 585 0.2+ 0.1-
Ephemeris:
2018 GJ1 a,e,i = 1.82, 0.56, 7 q = 0.8081
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 03 12 13 25 43.6 +02 55 52 0.5753 1.5207 150.4 18.8 21.5
...
2018 03 27 13 15 57.3 +04 32 56 0.4093 1.3969 164.9 10.7 20.3
...
2018 04 04 13 03 40.0 +05 42 59 0.3346 1.3294 168.4 8.7 19.6
...
2018 04 10 12 49 57.2 +06 41 10 0.2848 1.2783 164.4 12.1 19.3
2018 04 11 12 47 12.9 +06 51 07 0.2770 1.2698 163.3 13.1 19.3
2018 04 12 12 44 20.1 +07 01 04 0.2693 1.2613 162.1 14.2 19.3
...
2018 04 18 12 23 41.1 +07 59 43 0.2266 1.2102 152.9 22.2 19.1
...
2018 04 26 11 44 46.2 +09 05 15 0.1777 1.1425 137.0 36.9 18.8
...
2018 05 11 09 30 47.4 +08 44 02 0.1145 1.0207 92.2 81.4 19.0
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-G52
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