MPEC 2018-D49 : 2018 DT
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M.P.E.C. 2018-D49 Issued 2018 Feb. 23, 21:22 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 DT
Observations:
K18D00T* C2018 02 23.21162 09 27 17.00 +17 42 12.3 18.6 GUED049703
K18D00T C2018 02 23.21695 09 27 23.85 +17 42 37.0 18.2 GUED049703
K18D00T C2018 02 23.22228 09 27 30.65 +17 43 02.5 18.0 GUED049703
K18D00T C2018 02 23.22760 09 27 37.50 +17 43 26.6 18.5 GUED049703
K18D00T 1C2018 02 23.32102 09 29 46.55 +17 47 06.5 ED049658
K18D00T 1C2018 02 23.32330 09 29 49.54 +17 47 16.2 ED049658
K18D00T 1C2018 02 23.32445 09 29 51.11 +17 47 20.2 ED049658
K18D00T C2018 02 23.37690 09 30 50.10 +17 53 34.0 17.6 GUED049I52
K18D00T C2018 02 23.37703 09 30 50.27 +17 53 34.3 17.6 GUED049I52
K18D00T C2018 02 23.37715 09 30 50.44 +17 53 35.0 17.7 GUED049I52
K18D00T C2018 02 23.37728 09 30 50.63 +17 53 35.3 17.6 GUED049I52
K18D00T C2018 02 23.55047 09 36 02.09 +18 05 39.3 18.3 RoED049P93
K18D00T C2018 02 23.55415 09 36 06.99 +18 05 55.7 18.1 RoED049P93
K18D00T C2018 02 23.55507 09 36 08.30 +18 05 59.8 18.0 RoED049P93
K18D00T C2018 02 23.55692 09 36 10.80 +18 06 07.9 18.0 RoED049P93
K18D00T KC2018 02 23.78532 09 42 35.73 +18 17 40.7 18.1 RqED049113
K18D00T KC2018 02 23.78764 09 42 39.30 +18 17 52.4 18.0 RqED049113
K18D00T KC2018 02 23.78996 09 42 42.83 +18 18 03.1 18.0 RqED049113
K18D00T KC2018 02 23.79459 09 42 49.90 +18 18 24.8 18.1 RqED049113
K18D00T KC2018 02 23.81749 09 43 26.85 +18 20 16.9 18.1 RqED049A17
K18D00T KC2018 02 23.83151 09 43 47.20 +18 21 22.5 17.9 RUED049K74
K18D00T KC2018 02 23.83204 09 43 48.81 +18 21 25.0 18.0 RqED049A17
K18D00T KC2018 02 23.83598 09 43 53.87 +18 21 43.5 17.9 RUED049K74
K18D00T KC2018 02 23.84121 09 44 05.63 +18 21 29.3 UED049J95
K18D00T KC2018 02 23.84354 09 44 09.21 +18 21 40.5 UED049J95
K18D00T KC2018 02 23.84567 09 44 08.38 +18 22 28.1 18.2 RUED049K74
K18D00T KC2018 02 23.84579 09 44 12.64 +18 21 50.9 18.1 GUED049J95
K18D00T KC2018 02 23.84804 09 44 12.76 +18 22 39.2 18.0 RqED049A17
K18D00T KC2018 02 23.85084 09 44 16.05 +18 22 51.6 17.7 RUED049K74
Observer details:
113 Volkssternwarte Drebach, Schoenbrunn. Observers G. Lehmann,
G. Wollenhaupt. 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.
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.
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.
P93 Space Tracking and Communications Center, JAXA. Observers K. Nishiyama,
T. Fujiwara, A. Asami. 1.0-m f/3.0 reflector + CCD.
Orbital elements:
2018 DT Earth MOID = 0.0106 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 15.92128 (2000.0) P Q
n 0.73075451 Peri. 8.09308 -0.94283183 -0.33295965
a 1.2207359 Node 152.44501 +0.30400442 -0.87689143
e 0.1802837 Incl. 1.77803 +0.13656301 -0.34669770
P 1.35 H 27.2 G 0.15 U 6
Residuals in seconds of arc
180223 703 0.2- 0.0 180223 I52 0.2+ 0.2- 180223 K74 0.1- 0.1-
180223 703 0.0 0.3- 180223 P93 0.1- 0.5+ 180223 A17 0.2+ 0.1+
180223 703 0.4- 0.3+ 180223 P93 0.9- 0.3+ 180223 K74 0.5- 0.1+
180223 703 0.3+ 0.2- 180223 P93 0.1+ 0.2+ 180223 J95 0.2- 0.1-
180223 658 0.7+ 0.3+ 180223 P93 0.3+ 0.0 180223 J95 0.1+ 0.1+
180223 658 0.2- 0.4+ 180223 113 0.0 0.3- 180223 K74 0.0 0.1+
180223 658 0.2+ 0.4- 180223 113 0.3+ 0.2+ 180223 J95 0.1+ 0.1-
180223 I52 0.1- 0.2- 180223 113 0.1+ 0.2- 180223 A17 0.2+ 0.1+
180223 I52 0.1- 0.3- 180223 113 0.2+ 0.6- 180223 K74 0.4- 0.1-
180223 I52 0.0 0.1- 180223 A17 0.0 0.4+
Ephemeris:
2018 DT a,e,i = 1.22, 0.18, 2 q = 1.0007
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 01 24 06 34 58.0 +04 45 09 0.05418 1.0315 149.7 28.8 22.2
...
2018 02 08 06 53 52.6 +06 36 35 0.03101 1.0110 141.9 37.0 21.2
...
2018 02 16 07 35 17.2 +10 23 01 0.01999 1.0044 145.3 34.1 20.1
...
2018 02 22 08 58 42.1 +16 17 41 0.01327 1.0016 159.4 20.4 18.8
2018 02 23 09 21 41.0 +17 30 17 0.01244 1.0013 163.2 16.6 18.6
2018 02 24 09 48 03.9 +18 39 37 0.01176 1.0010 166.9 13.0 18.3
...
2018 03 02 13 02 37.8 +19 16 49 0.01157 1.0006 145.8 33.9 18.9
...
2018 03 10 15 23 14.3 +11 15 31 0.01934 1.0027 119.4 59.6 20.8
...
2018 03 25 16 24 44.6 +05 17 26 0.03867 1.0154 117.2 60.8 22.3
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-D49
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