MPEC 2018-D50 : 2018 DU
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M.P.E.C. 2018-D50 Issued 2018 Feb. 24, 04:11 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 DU
Observations:
K18D00U C2018 02 23.20988 09 27 57.98 +33 15 45.8 18.2 GUED050703
K18D00U* C2018 02 23.21033 09 27 58.00 +33 15 36.5 18.5 GUED050703
K18D00U C2018 02 23.21522 09 27 58.25 +33 13 57.4 18.0 GUED050703
K18D00U C2018 02 23.21566 09 27 58.31 +33 13 48.8 18.5 GUED050703
K18D00U C2018 02 23.22054 09 27 58.51 +33 12 08.1 18.1 GUED050703
K18D00U C2018 02 23.22099 09 27 58.58 +33 11 58.3 18.6 GUED050703
K18D00U C2018 02 23.22586 09 27 58.76 +33 10 18.2 17.8 GUED050703
K18D00U C2018 02 23.24760009 27 53.65 +33 02 05.0 18.1 GUED050H01
K18D00U C2018 02 23.25187609 27 53.73 +33 00 30.8 18.0 GUED050H01
K18D00U C2018 02 23.26216309 27 53.90 +32 56 41.1 18.2 GUED050H01
K18D00U C2018 02 23.27385609 27 54.11 +32 52 14.9 18.1 GUED050H01
K18D00U 1C2018 02 23.33468 09 28 23.19 +32 22 44.7 ED050658
K18D00U 1C2018 02 23.33606 09 28 23.38 +32 22 11.3 ED050658
K18D00U 1C2018 02 23.33699 09 28 23.60 +32 21 48.2 ED050658
K18D00U 1C2018 02 23.33792 09 28 23.65 +32 21 27.5 ED050658
K18D00U C2018 02 23.37625 09 28 04.17 +32 10 22.3 17.8 GUED050I52
K18D00U C2018 02 23.37638 09 28 04.19 +32 10 19.0 17.8 GUED050I52
K18D00U C2018 02 23.37650 09 28 04.22 +32 10 15.7 17.8 GUED050I52
K18D00U C2018 02 23.37663 09 28 04.22 +32 10 11.9 17.7 GUED050I52
K18D00U C2018 02 23.55901 09 31 19.78 +30 50 07.2 18.4 RoED050P93
K18D00U C2018 02 23.56016 09 31 19.95 +30 49 36.2 18.0 RoED050P93
K18D00U C2018 02 23.56130 09 31 20.06 +30 49 04.6 17.8 RoED050P93
K18D00U C2018 02 23.56187 09 31 20.14 +30 48 48.5 18.5 RoED050P93
K18D00U C2018 02 23.56245 09 31 20.20 +30 48 32.9 18.2 RoED050P93
K18D00U KC2018 02 23.76359 09 34 34.39 +28 52 19.5 17.7 RqED050113
K18D00U KC2018 02 23.76532 09 34 35.37 +28 51 25.7 17.6 RqED050113
K18D00U KC2018 02 23.76706 09 34 36.38 +28 50 30.5 17.8 RqED050113
K18D00U KC2018 02 23.76880 09 34 37.36 +28 49 35.3 17.8 RqED050113
K18D00U KC2018 02 23.77796709 34 49.74 +28 42 35.2 UED050J95
K18D00U KC2018 02 23.78544009 34 54.62 +28 38 36.8 UED050J95
K18D00U KC2018 02 23.78845409 34 56.57 +28 37 00.0 UED050J95
K18D00U KC2018 02 23.79202209 34 58.81 +28 35 04.8 17.8 GUED050J95
K18D00U KC2018 02 23.81895 09 35 06.89 +28 22 17.4 17.5 RUED050K74
K18D00U KC2018 02 23.82271 09 35 08.68 +28 20 10.6 17.7 RUED050K74
K18D00U KC2018 02 23.82511 09 35 09.78 +28 18 49.7 17.8 RUED050K74
K18D00U KC2018 02 23.85449809 35 17.51 +28 01 38.5 17.0 VUED050G34
K18D00U KC2018 02 23.85579909 35 18.03 +28 00 52.1 17.6 VUED050G34
K18D00U KC2018 02 23.85612 09 35 23.35 +28 00 52.8 17.6 RUED050K74
K18D00U KC2018 02 23.85969509 35 19.63 +27 58 32.4 17.5 VUED050G34
K18D00U KC2018 02 23.86006 09 35 24.96 +27 58 32.2 17.7 RUED050K74
K18D00U KC2018 02 23.86144 09 35 27.64 +27 57 42.4 17.3 RqED050A17
K18D00U KC2018 02 23.86730 09 35 27.93 +27 54 11.9 17.3 RUED050K87
K18D00U KC2018 02 23.87074 09 35 31.43 +27 52 08.5 17.4 RqED050A17
K18D00U KC2018 02 23.87720 09 35 33.96 +27 48 13.3 17.4 RqED050A17
K18D00U KC2018 02 23.88061 09 35 33.12 +27 46 07.1 17.7 RUED050K87
K18D00U KC2018 02 23.89050 09 35 36.91 +27 40 00.9 17.7 RUED050K87
K18D00U KC2018 02 23.89771809 35 53.75 +27 34 20.6 17.3 GUED050J69
K18D00U KC2018 02 23.90374309 35 56.28 +27 30 35.8 17.2 GUED050J69
K18D00U KC2018 02 23.90965309 35 58.76 +27 26 53.2 17.2 GUED050J69
K18D00U KC2018 02 23.91561309 36 01.15 +27 23 06.8 17.4 GUED050J69
K18D00U KC2018 02 24.03255909 36 46.97 +26 01 51.2 17.8 GUED050Z80
K18D00U KC2018 02 24.03641109 36 48.69 +25 58 57.5 17.7 GUED050Z80
K18D00U KC2018 02 24.04032709 36 50.42 +25 55 58.9 17.9 GUED050Z80
K18D00U KC2018 02 24.04490409 36 52.53 +25 52 29.1 18.0 GUED050Z80
K18D00U KC2018 02 24.04870009 36 54.29 +25 49 35.4 17.4 GUED050Z80
K18D00U KC2018 02 24.07347 09 39 19.18 +25 36 49.4 17.6 VUED050W34
K18D00U KC2018 02 24.09006 09 39 27.57 +25 24 53.4 17.4 VUED050W34
K18D00U KC2018 02 24.10421 09 39 34.26 +25 14 32.0 17.3 VUED050W34
K18D00U #C2018 02 24.10451 09 40 08.61 +25 12 04.8 17.2 VqED050H06
K18D00U #C2018 02 24.10637 09 40 09.88 +25 10 44.5 17.4 VqED050H06
K18D00U #C2018 02 24.10771 09 40 10.72 +25 09 46.0 18.2 VqED050H06
Observer details:
113 Volkssternwarte Drebach, Schoenbrunn. Observer G. Lehmann. 0.5-m f/4.6
reflector + CCD.
658 National Research Council of Canada. Observer D. D. Balam. 1.82-m
Plaskett telescope + CCD.
703 Catalina Sky Survey. Observers D. C. Fuls, B. M. Africano. Measurers
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. G. Matheny, 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.
G34 Oberfrauendorf. Observer T. Felber. 0.25-m f/10 Schmidt-Cassegrain + CCD
+ f/6.3 focal reducer.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 reflector + CCD.
H06 iTelescope Observatory, Mayhill. Observer M. Suzuki. 0.43-m f/6.8
reflector + CCD + f/4.5 focal reducer.
I52 Steward Observatory, Mt. Lemmon Station. Observer D. C. Fuls. Measurers
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. G. Matheny, R. L. Seaman,
F. C. Shelly. 1.0-m reflector + CCD.
J69 North Observatory, Clanfield. Observer D. Briggs. 0.41-m f/4.5 Newtonian
reflector + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
K74 Muensterschwarzach Observatory, Schwarzach. Observer C. Gerhard. 0.30-m
f/3.75 Newtonian reflector + CCD.
K87 Dettelbach Vineyard Observatory. Observer B. Haeusler. 0.30-m
Schmidt-Cassegrain + CCD.
P93 Space Tracking and Communications Center, JAXA. Observers K. Nishiyama,
T. Fujiwara, A. Asami. 1.0-m f/3.0 reflector + CCD.
W34 Squirrel Valley Observatory, Columbus. Observer R. L. Flynn. 0.20-m f/10
Schmidt-Cassegrain + CCD + f/7.0 focal reducer.
Z80 Northolt Branch Observatory. Observer G. Wells. Measurer D. Bamberger.
0.25-m f/8 Ritchey-Chretien + CCD.
Orbital elements:
2018 DU Earth MOID = 0.0017 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 354.56893 (2000.0) P Q
n 0.77365160 Peri. 217.52167 -0.97475726 +0.22203976
a 1.1751837 Node 335.27672 -0.18890460 -0.87601804
e 0.1813683 Incl. 3.20459 -0.11900980 -0.42812467
P 1.27 H 28.3 G 0.15 U 5
Residuals in seconds of arc
180223 703 0.3- 0.3- 180223 P93 0.3- 0.6+ 180223 A17 0.1- 0.0
180223 703 0.4- 0.5- 180223 P93 0.1- 0.3+ 180223 A17 0.2- 0.5-
180223 703 0.4- 0.0 180223 P93 0.2- 0.7+ 180223 K87 0.1- 0.3-
180223 703 0.0 0.4+ 180223 113 0.4+ 0.9- 180223 K87 0.7+ 0.2-
180223 703 0.2- 0.0 180223 113 0.2+ 0.2- 180223 J69 0.1+ 1.1-
180223 703 0.4+ 0.5- 180223 113 0.3+ 0.4- 180223 J69 0.1+ 1.0-
180223 703 0.3+ 0.4+ 180223 113 0.2+ 0.5- 180223 J69 0.5+ 1.1-
180223 H01 0.0 0.0 180223 J95 0.0 0.0 180223 J69 0.0 1.2-
180223 H01 0.0 0.0 180223 J95 0.1- 0.3+ 180224 Z80 0.3+ 0.1+
180223 H01 0.1- 0.1+ 180223 J95 0.1+ 0.3+ 180224 Z80 0.3+ 0.6+
180223 H01 0.2+ 0.2+ 180223 J95 0.3- 0.2+ 180224 Z80 0.3- 0.0
180223 658 0.7+ 1.2- 180223 K74 0.3- 0.2- 180224 Z80 0.3- 0.6-
180223 658 0.6+ 0.8- 180223 K74 0.1- 0.0 180224 Z80 0.5- 0.3+
180223 658 (1.6+ 1.1-) 180223 K74 0.3- 0.5+ 180224 W34 0.3+ 0.8+
180223 658 0.6+ 1.1+ 180223 G34 0.4+ 0.2+ 180224 W34 0.1- 0.1+
180223 I52 0.2- 0.1- 180223 G34 0.3+ 0.2+ 180224 W34 (0.7+ 3.0+)
180223 I52 0.1- 0.2+ 180223 K74 0.2+ 0.4+ 180224 H06 0.1- 0.1-
180223 I52 0.1+ 0.1+ 180223 G34 0.7+ 0.1- 180224 H06 0.3+ 0.4+
180223 I52 0.1- 0.2- 180223 K74 0.1+ 0.0 180224 H06 0.4- 0.2+
180223 P93 0.7- 0.1- 180223 A17 0.5- 0.1-
180223 P93 0.1- 0.6+ 180223 K87 0.1- 0.2-
Ephemeris:
2018 DU a,e,i = 1.18, 0.18, 3 q = 0.9620
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 01 25 09 04 00.0 +44 35 54 0.08381 1.0601 153.4 24.6 24.2
...
2018 02 09 09 05 02.6 +45 55 51 0.04254 1.0231 148.5 30.3 22.8
...
2018 02 17 09 08 04.2 +44 25 12 0.02215 1.0065 145.8 33.5 21.4
...
2018 02 23 09 25 32.9 +34 26 57 0.0072650.9958 152.2 27.6 18.8
2018 02 24 09 36 45.6 +26 39 08 0.0048780.9941 159.2 20.7 17.8
2018 02 25 10 01 38.7 +05 15 36 0.0027280.9925 171.6 8.4 16.0
...
2018 03 03 20 53 46.0 -49 59 48 0.01334 0.9827 49.8 129.6 24.6
...
2018 03 11 21 08 27.0 -44 36 54 0.03330 0.9724 50.3 128.1 26.4
...
2018 03 26 21 22 43.0 -41 05 31 0.07089 0.9625 58.7 117.7 27.1
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-D50
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