MPEC 2018-S65 : 2018 RW27
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M.P.E.C. 2018-S65 Issued 2018 Sept. 27, 16:09 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 RW27
Observations:
K18R27W* S2018 09 15.39277 19 04 49.96 -15 29 15.4 20 RLES065C51
K18R27W s2018 09 15.39277 1 + 2477.3214 - 6227.6991 - 1474.2042 ES065C51
K18R27W S2018 09 15.52316 19 05 14.33 -15 31 21.9 LES065C51
K18R27W s2018 09 15.52316 1 + 2502.0881 - 6138.5159 - 1776.9166 ES065C51
K18R27W S2018 09 15.65444 19 05 38.85 -15 33 34.2 LES065C51
K18R27W s2018 09 15.65444 1 + 2507.2969 - 6206.0150 - 1514.5013 ES065C51
K18R27W S2018 09 15.71990 19 05 51.26 -15 34 37.0 LES065C51
K18R27W s2018 09 15.71990 1 + 2513.9321 - 6205.7953 - 1504.2623 ES065C51
K18R27W S2018 09 15.78535 19 06 03.44 -15 35 41.1 LES065C51
K18R27W s2018 09 15.78535 1 + 2520.5666 - 6205.5592 - 1494.0200 ES065C51
K18R27W S2018 09 16.04703 19 06 52.45 -15 39 58.8 LES065C51
K18R27W s2018 09 16.04703 1 + 2550.3162 - 6183.5908 - 1534.1338 ES065C51
K18R27W S2018 09 16.11197 19 07 04.75 -15 41 00.5 LES065C51
K18R27W s2018 09 16.11197 1 + 2566.2459 - 6091.3906 - 1846.2658 ES065C51
K18R27W S2018 09 16.30883 19 07 41.95 -15 44 13.1 LES065C51
K18R27W s2018 09 16.30883 1 + 2576.8450 - 6182.6054 - 1492.8478 ES065C51
K18R27W S2018 09 16.50468 19 08 19.31 -15 47 26.2 LES065C51
K18R27W s2018 09 16.50468 1 + 2606.5595 - 6092.3532 - 1785.1489 ES065C51
K18R27W S2018 09 16.63597 19 08 44.00 -15 49 30.2 LES065C51
K18R27W s2018 09 16.63597 1 + 2613.0349 - 6160.0865 - 1522.6987 ES065C51
K18R27W KC2018 09 18.11980 19 13 29.50 -16 13 09.2 oES065291
K18R27W KC2018 09 18.13286 19 13 32.01 -16 13 20.1 oES065291
K18R27W |C2018 09 21.99041 19 26 22.75 -17 09 42.2 20.5 GUES065807
K18R27W |C2018 09 21.99357 19 26 23.38 -17 09 45.4 20.5 GUES065807
K18R27W |C2018 09 21.99717 19 26 24.11 -17 09 47.9 20.5 GUES065807
K18R27W KC2018 09 27.10799 19 44 19.97 -18 14 26.3 oES065291
K18R27W KC2018 09 27.12092 19 44 22.77 -18 14 35.1 oES065291
Observer details:
291 LPL/Spacewatch II. Observers T. H. Bressi, R. A. Mastaler. 1.8-m f/2.7
reflector + CCD.
807 Cerro Tololo. Observers T. Linder, R. Holmes. 1.00-m f/10.0 astrograph
+ CCD.
C51 WISE. 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.
Orbital elements:
2018 RW27 Earth MOID = 0.2777 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 47.51924 (2000.0) P Q
n 0.21633147 Peri. 165.73101 +0.90493859 +0.42448158
a 2.7482500 Node 169.00520 -0.40423585 +0.87953368
e 0.5324986 Incl. 9.05796 -0.13296439 +0.21502534
P 4.56 H 19.9 G 0.15 U 8
Residuals in seconds of arc
180915 C51 0.1+ 0.9- 180916 C51 0.4- 0.5+ 180921 807 0.2+ 0.6+
180915 C51 0.8+ 0.9+ 180916 C51 0.3- 0.6+ 180921 807 0.2+ 0.0
180915 C51 0.3+ 1.1- 180916 C51 (3.5+ 3.4-) 180921 807 0.5+ 0.5+
180915 C51 (2.5+ 0.6+) 180916 C51 0.2- 0.1+ 180927 291 0.7- 0.1-
180915 C51 1.2+ 0.9+ 180918 291 0.5- 1.0- 180927 291 0.6+ 0.1-
180916 C51 1.4- 0.4- 180918 291 0.2+ 0.3+
Ephemeris:
2018 RW27 a,e,i = 2.75, 0.53, 9 q = 1.2848
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 08 28 18 17 31.3 -09 46 52 0.4743 1.3083 119.1 42.4 20.5
...
2018 09 12 18 54 36.0 -14 31 16 0.4904 1.2874 114.1 45.5 20.6
...
2018 09 20 19 19 40.0 -16 41 20 0.5063 1.2849 112.3 46.3 20.7
...
2018 09 26 19 40 21.9 -18 01 23 0.5221 1.2870 111.2 46.6 20.8
2018 09 27 19 43 56.5 -18 13 00 0.5251 1.2877 111.0 46.6 20.8
2018 09 28 19 47 33.0 -18 24 05 0.5282 1.2884 110.9 46.6 20.8
...
2018 10 04 20 09 45.3 -19 18 56 0.5490 1.2951 109.9 46.6 20.9
...
2018 10 12 20 40 18.5 -19 59 08 0.5833 1.3090 108.9 46.2 21.1
...
2018 10 27 21 37 24.3 -19 34 03 0.6689 1.3498 106.9 44.8 21.4
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-S65
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