MPEC 2018-D66 : 2018 DL1
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M.P.E.C. 2018-D66 Issued 2018 Feb. 25, 16:36 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 DL1
Observations:
K18D01L* C2018 02 23.30491 11 40 07.70 +01 04 04.5 20.7 GUED066G96
K18D01L C2018 02 23.31008 11 40 08.37 +01 04 37.2 20.4 GUED066G96
K18D01L C2018 02 23.31522 11 40 09.03 +01 05 08.8 20.4 GUED066G96
K18D01L C2018 02 23.32036 11 40 09.64 +01 05 40.2 20.0 GUED066G96
K18D01L C2018 02 23.35212411 40 13.38 +01 08 52.8 20.3 GUED066H01
K18D01L C2018 02 23.35803611 40 14.14 +01 09 28.7 20.2 GUED066H01
K18D01L C2018 02 23.36531111 40 15.06 +01 10 13.2 20.1 GUED066H01
K18D01L C2018 02 23.37760511 40 16.58 +01 11 28.2 20.1 GUED066H01
K18D01L C2018 02 23.47077 11 40 28.67 +01 20 55.8 21.2 GUED066I52
K18D01L C2018 02 23.47153 11 40 28.72 +01 20 59.7 20.9 GUED066I52
K18D01L C2018 02 23.47229 11 40 28.82 +01 21 04.8 20.6 GUED066I52
K18D01L C2018 02 23.95244 11 41 44.14 +02 07 45.4 20.5 VSED066033
K18D01L C2018 02 23.95685 11 41 44.70 +02 08 10.7 20.3 VSED066033
K18D01L C2018 02 23.95956 11 41 45.03 +02 08 26.2 20.6 VSED066033
K18D01L C2018 02 23.96227 11 41 45.37 +02 08 41.9 20.4 VSED066033
K18D01L C2018 02 23.96499 11 41 45.72 +02 08 57.5 21.0 VSED066033
K18D01L |C2018 02 24.17459 11 42 16.21 +02 30 21.7 20.6 VuED066807
K18D01L |C2018 02 24.18042 11 42 16.88 +02 30 54.6 20.8 VuED066807
K18D01L |C2018 02 24.18605 11 42 17.50 +02 31 25.9 20.9 VuED066807
K18D01L C2018 02 25.13858 11 44 17.74 +03 53 45.2 20.6 VSED066033
K18D01L C2018 02 25.14176 11 44 18.07 +03 54 00.9 20.2 VSED066033
K18D01L C2018 02 25.14493 11 44 18.39 +03 54 17.3 20.4 VSED066033
K18D01L C2018 02 25.14810 11 44 18.76 +03 54 32.9 20.4 VSED066033
K18D01L C2018 02 25.15128 11 44 19.10 +03 54 48.3 20.4 VSED066033
K18D01L C2018 02 25.15446 11 44 19.44 +03 55 04.6 20.6 VSED066033
K18D01L C2018 02 25.33114 11 44 43.98 +04 10 02.0 21.2 GUED066I52
K18D01L C2018 02 25.33238 11 44 44.09 +04 10 08.7 21.4 GUED066I52
K18D01L C2018 02 25.33362 11 44 44.24 +04 10 14.3 20.9 GUED066I52
K18D01L C2018 02 25.33487 11 44 44.35 +04 10 20.3 20.6 GUED066I52
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers U. Laux,
B. Stecklum. Measurer B. Stecklum. 1.34-m f/3 Schmidt + CCD.
807 Cerro Tololo. Observers T. Linder, R. Holmes. 0.61-m f/6.5 astrograph
+ CCD.
G96 Mt. Lemmon Survey. Observer J. A. Johnson. 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.
1.5-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. Observers D. C. Fuls,
R. A. Kowalski. 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.
Orbital elements:
2018 DL1 Earth MOID = 0.0491 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 16.94680 (2000.0) P Q
n 0.24877820 Peri. 308.88619 -0.27629422 -0.95882424
a 2.5037704 Node 156.89602 +0.92546801 -0.28387300
e 0.6261819 Incl. 9.63971 +0.25917265 -0.00849707
P 3.96 H 24.4 G 0.15 U 5
Residuals in seconds of arc
180223 G96 0.1+ 0.5- 180223 I52 0.4- 0.3+ 180225 033 0.1+ 0.1-
180223 G96 0.2+ 0.4+ 180223 033 0.1- 0.1- 180225 033 0.2- 0.4+
180223 G96 0.3+ 0.4+ 180223 033 0.1+ 0.1- 180225 033 0.2+ 0.1+
180223 G96 0.4- 0.2+ 180223 033 0.0 0.1- 180225 033 0.2+ 0.4-
180223 H01 0.1- 0.0 180223 033 0.1+ 0.1+ 180225 033 0.1+ 0.0
180223 H01 0.1+ 0.3- 180223 033 0.3+ 0.2+ 180225 I52 0.4- 0.1-
180223 H01 0.2+ 0.2- 180224 807 0.2+ 0.4- 180225 I52 0.5- 0.5+
180223 H01 0.2- 0.3- 180224 807 0.4+ 0.0 180225 I52 0.0 0.1-
180223 I52 0.3+ 0.5+ 180224 807 0.1+ 0.1- 180225 I52 0.1- 0.2-
180223 I52 0.4- 0.2- 180225 033 0.3+ 0.1+
Ephemeris:
2018 DL1 a,e,i = 2.50, 0.63, 10 q = 0.9360
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 01 26 01 51 37.5 -50 08 32 0.1094 0.9512 69.2 104.6 23.4
...
2018 02 10 09 28 23.4 -51 00 39 0.05157 1.0092 114.5 62.9 20.2
...
2018 02 18 11 19 27.5 -11 32 52 0.07549 1.0545 150.2 27.8 20.1
...
2018 02 24 11 41 49.3 +02 13 13 0.1098 1.0935 160.1 17.9 20.7
2018 02 25 11 44 02.5 +03 42 56 0.1161 1.1003 161.1 16.9 20.8
2018 02 26 11 45 59.6 +05 03 29 0.1226 1.1073 162.0 16.0 20.9
...
2018 03 04 11 53 41.9 +10 48 18 0.1637 1.1508 165.6 12.4 21.5
...
2018 03 12 11 57 58.8 +14 52 01 0.2243 1.2127 166.4 11.1 22.3
...
2018 03 27 12 00 15.4 +17 31 10 0.3561 1.3369 159.4 15.2 23.6
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-D66
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