MPEC 2018-W66 : 2018 WD1
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M.P.E.C. 2018-W66 Issued 2018 Nov. 28, 03:31 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 WD1
Observations:
K18W01D* S2018 11 24.14568 23 41 20.44 -08 08 38.1 19 RLEW066C51
K18W01D s2018 11 24.14568 1 + 6822.5589 + 30.5161 - 713.7575 EW066C51
K18W01D S2018 11 24.21113 23 41 15.13 -07 53 50.9 LEW066C51
K18W01D s2018 11 24.21113 1 + 6823.9300 + 36.4867 - 700.1169 EW066C51
K18W01D S2018 11 24.27658 23 41 09.97 -07 39 01.0 LEW066C51
K18W01D s2018 11 24.27658 1 + 6825.2670 + 42.4668 - 686.5283 EW066C51
K18W01D S2018 11 24.34203 23 41 04.75 -07 24 12.2 LEW066C51
K18W01D s2018 11 24.34203 1 + 6826.5771 + 48.4427 - 672.8769 EW066C51
K18W01D S2018 11 24.40748 23 40 59.59 -07 09 22.9 LEW066C51
K18W01D s2018 11 24.40748 1 + 6827.8523 + 54.4196 - 659.2148 EW066C51
K18W01D S2018 11 24.73500 23 40 34.04 -05 55 17.6 LEW066C51
K18W01D s2018 11 24.73500 1 + 6846.1523 + 62.8199 - 424.9209 EW066C51
K18W01D S2018 11 24.80045 23 40 29.00 -05 40 29.8 LEW066C51
K18W01D s2018 11 24.80045 1 + 6846.9200 + 68.8241 - 411.2362 EW066C51
K18W01D S2018 11 24.86590 23 40 23.94 -05 25 40.7 LEW066C51
K18W01D s2018 11 24.86590 1 + 6847.6566 + 74.8204 - 397.4836 EW066C51
K18W01D S2018 11 24.93135 23 40 18.92 -05 10 52.4 LEW066C51
K18W01D s2018 11 24.93135 1 + 6848.3636 + 80.8227 - 383.7594 EW066C51
K18W01D S2018 11 24.99680 23 40 13.97 -04 56 04.6 LEW066C51
K18W01D s2018 11 24.99680 1 + 6849.0515 + 86.7768 - 369.6551 EW066C51
K18W01D S2018 11 25.38977 23 39 44.53 -03 27 17.7 19 RLEW066C51
K18W01D s2018 11 25.38977 1 + 6857.5318 + 101.2882 - 120.9276 EW066C51
K18W01D S2018 11 25.45522 23 39 39.69 -03 12 31.6 LEW066C51
K18W01D s2018 11 25.45522 1 + 6857.6549 + 107.2899 - 107.1257 EW066C51
K18W01D S2018 11 25.52067 23 39 34.95 -02 57 45.3 LEW066C51
K18W01D s2018 11 25.52067 1 + 6857.7518 + 113.2953 - 93.3513 EW066C51
K18W01D S2018 11 25.58612 23 39 30.13 -02 42 59.6 LEW066C51
K18W01D s2018 11 25.58612 1 + 6857.8094 + 119.3002 - 79.5729 EW066C51
K18W01D S2018 11 25.65158 23 39 25.32 -02 28 15.9 LEW066C51
K18W01D s2018 11 25.65158 1 + 6857.8378 + 125.3074 - 65.8176 EW066C51
K18W01D S2018 11 25.71715 23 39 20.60 -02 13 30.8 LEW066C51
K18W01D s2018 11 25.71715 1 + 6858.0748 + 120.5160 + 31.1430 EW066C51
K18W01D S2018 11 25.78261 23 39 15.88 -01 58 46.4 LEW066C51
K18W01D s2018 11 25.78261 1 + 6857.8765 + 126.5143 + 44.9357 EW066C51
K18W01D S2018 11 25.84806 23 39 11.10 -01 44 02.9 LEW066C51
K18W01D s2018 11 25.84806 1 + 6857.6507 + 132.5124 + 58.7283 EW066C51
K18W01D KC2018 11 27.10523323 37 45.65 +02 55 03.2 22.3 GVEW066H01
K18W01D KC2018 11 27.11215023 37 44.89 +02 56 34.8 22.4 GVEW066H01
K18W01D KC2018 11 27.12428723 37 43.58 +02 59 15.0 22.2 GVEW066H01
K18W01D KC2018 11 27.12913823 37 43.06 +03 00 19.1 21.7 GVEW066H01
K18W01D C2018 11 28.06099523 36 47.01 +06 23 24.5 21.0 GVEW066H01
K18W01D C2018 11 28.06708023 36 46.39 +06 24 43.3 21.0 GVEW066H01
K18W01D C2018 11 28.07644823 36 45.42 +06 26 44.4 21.5 GVEW066H01
K18W01D C2018 11 28.08653623 36 44.38 +06 28 54.8 21.3 GVEW066H01
Observer details:
C51 WISE. Observer Near-Earth Object Wide-field Infrared Survey Explorer.
Measurers A. K. Mainzer, J. M. Bauer, T. Grav, J. R. Masiero,
J. P. Chesley, R. M. Cutri, J. W. Dailey, E. Kramer, S. Sonnett,
E. L. Wright.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 Ritchey-Chretien + CCD.
Orbital elements:
2018 WD1 Earth MOID = 0.0273 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 122.51506 (2000.0) P Q
n 0.77648358 Peri. 354.36231 +0.58898452 -0.78062608
a 1.1723246 Node 59.37288 +0.75062965 +0.43257751
e 0.1346692 Incl. 14.06312 +0.29942005 +0.45110932
P 1.27 H 25.3 G 0.15 U 8
Residuals in seconds of arc
181124 C51 0.1+ 0.2+ 181124 C51 0.1- 1.0- 181127 H01 0.1+ 0.1+
181124 C51 0.9- 1.0- 181125 C51 0.2+ 0.2+ 181127 H01 0.1- 0.3+
181124 C51 0.1- 0.3+ 181125 C51 0.2+ 0.1- 181127 H01 0.1- 0.0
181124 C51 0.4- 0.4+ 181125 C51 1.3+ 0.4+ 181127 H01 0.1- 0.0
181124 C51 0.1- 0.8+ 181125 C51 0.9+ 0.6+ 181128 H01 0.2- 0.1-
181124 C51 0.0 0.7+ 181125 C51 0.4+ 0.8- 181128 H01 0.1- 0.0
181124 C51 0.1+ 0.4- 181125 C51 0.8+ 0.1- 181128 H01 0.3- 0.0
181124 C51 0.4- 0.0 181125 C51 1.0+ 0.3+ 181128 H01 0.3- 0.1+
181124 C51 0.6- 0.4- 181125 C51 0.1- 0.6+
Ephemeris:
2018 WD1 a,e,i = 1.17, 0.13, 14 q = 1.0144
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 10 29 00 50 46.2 -66 08 02 0.1351 1.0237 99.2 73.3 23.6
...
2018 11 13 00 01 54.1 -43 50 57 0.08742 1.0153 104.7 70.6 22.5
...
2018 11 21 23 45 58.4 -19 46 20 0.07244 1.0144 109.5 66.7 22.0
...
2018 11 27 23 37 52.9 +02 32 42 0.07185 1.0153 111.4 64.8 21.9
2018 11 28 23 36 49.3 +06 11 02 0.07277 1.0156 111.5 64.7 21.9
2018 11 29 23 35 50.7 +09 43 24 0.07397 1.0159 111.5 64.6 22.0
...
2018 12 05 23 31 44.8 +28 02 18 0.08616 1.0186 110.3 65.2 22.3
...
2018 12 13 23 31 11.0 +44 25 35 0.1111 1.0243 108.0 66.1 22.9
...
2018 12 28 23 46 09.8 +60 44 03 0.1674 1.0408 105.5 65.5 23.8
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-W66
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