MPEC 2018-R161: 2018 RY5
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M.P.E.C. 2018-R161 Issued 2018 Sept. 14, 19:24 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 RY5
Observations:
K18R05Y* C2018 09 13.27685 00 06 24.19 -11 43 47.6 16.6 GUER161703
K18R05Y C2018 09 13.28224 00 06 08.60 -11 47 34.7 16.6 GUER161703
K18R05Y C2018 09 13.28763 00 05 53.35 -11 51 15.5 16.5 GUER161703
K18R05Y C2018 09 13.29301 00 05 38.35 -11 54 53.1 16.7 GUER161703
K18R05Y #C2018 09 13.35297 00 03 02.12 -12 30 54.4 16.7 GVER161H06
K18R05Y #C2018 09 13.35395 00 02 59.83 -12 31 26.5 17.0 GVER161H06
K18R05Y #C2018 09 13.35494 00 02 57.62 -12 31 58.3 16.7 GVER161H06
K18R05Y YC2018 09 13.36781 00 02 29.28 -12 38 39.8 16.4 RoER161H06
K18R05Y YC2018 09 13.36861 00 02 27.43 -12 39 05.6 16.2 RoER161H06
K18R05Y YC2018 09 13.36941 00 02 25.74 -12 39 29.5 16.4 RoER161H06
K18R05Y JC2018 09 13.76885 23 54 29.16 -14 36 13.8 17.2 RoER161Q62
K18R05Y JC2018 09 13.76971 23 54 28.41 -14 36 25.2 17.2 RoER161Q62
K18R05Y JC2018 09 13.77057 23 54 27.69 -14 36 35.5 17.0 RoER161Q62
K18R05Y KC2018 09 13.97613 23 52 59.07 -15 23 30.5 18.6 GVER161J95
K18R05Y KC2018 09 13.97975 23 52 56.66 -15 24 01.1 18.3 GVER161J95
K18R05Y KC2018 09 13.98330 23 52 54.39 -15 24 30.6 18.4 GVER161J95
K18R05Y KC2018 09 14.01022 23 52 32.15 -15 27 37.3 18.1 VER161104
K18R05Y KC2018 09 14.01232 23 52 30.81 -15 27 53.4 18.3 VER161104
K18R05Y KC2018 09 14.01442 23 52 29.47 -15 28 09.7 18.3 VER161104
K18R05Y KC2018 09 14.21464 23 51 18.84 -15 50 11.7 18.4 RqER161H36
K18R05Y KC2018 09 14.21749 23 51 17.39 -15 50 29.1 18.6 RqER161H36
K18R05Y KC2018 09 14.22320 23 51 14.51 -15 51 03.9 18.7 RqER161H36
K18R05Y C2018 09 14.23438 23 51 15.38 -15 51 29.7 18.6 GVER161I52
K18R05Y C2018 09 14.23462 23 51 15.26 -15 51 31.1 18.7 GVER161I52
K18R05Y C2018 09 14.23486 23 51 15.15 -15 51 32.9 18.6 GVER161I52
K18R05Y C2018 09 14.23510 23 51 15.03 -15 51 34.2 18.8 GVER161I52
K18R05Y KC2018 09 14.27375923 50 46.56 -15 55 53.7 18.7 VuER161H21
K18R05Y KC2018 09 14.27598923 50 45.50 -15 56 05.6 19.1 VuER161H21
K18R05Y KC2018 09 14.27929123 50 43.92 -15 56 23.1 19.0 VuER161H21
K18R05Y KC2018 09 14.49980 23 49 53.16 -16 06 42.0 19.2 VqER161E23
K18R05Y KC2018 09 14.51230 23 49 48.47 -16 07 39.0 19.3 VqER161E23
K18R05Y KC2018 09 14.52480 23 49 43.76 -16 08 35.4 19.6 VqER161E23
K18R05Y KC2018 09 14.52611 23 49 36.31 -16 07 48.8 19.0 GVER161474
K18R05Y KC2018 09 14.52718 23 49 35.93 -16 07 53.6 19.3 GVER161474
K18R05Y KC2018 09 14.52824 23 49 35.54 -16 07 58.1 19.3 GVER161474
K18R05Y KC2018 09 14.52931 23 49 35.15 -16 08 02.5 19.3 GVER161474
Observer details:
104 San Marcello Pistoiese. Observers P. Bacci, M. Maestripieri. Measurers
P. Bacci, L. Tesi, G. Fagioli. 0.60-m reflector + CCD.
474 Mount John Observatory, Lake Tekapo. Observers A. C. Gilmore,
P. M. Kilmartin. Measurer P. M. Kilmartin. 1.0-m f/7.7 reflector + CCD.
703 Catalina Sky Survey. Observer H. Groeller. Measurers B. M. Africano,
E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer,
H. Groeller, J. A. Johnson, R. A. Kowalski, S. M. Larson, G. J. Leonard,
R. L. Seaman, F. C. Shelly. 0.68-m Schmidt + 10K CCD.
E23 Arcadia. Observer A. Hidas. 0.35-m f/1.9 reflector + CCD.
H06 iTelescope Observatory, Mayhill. Observers D. Denisenko, M. Suzuki.
Measurer M. Suzuki. 0.50-m f/6.8 reflector + CCD + f/4.5 focal reducer,
0.51-m f/6.8 astrograph + CCD + f/4.5 focal reducer.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes. 0.61-m f/4.5
astrograph + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observers E. J. Christensen,
H. Groeller. Measurers B. M. Africano, E. J. Christensen, G. A. Farneth,
D. C. Fuls, A. R. Gibbs, A. D. Grauer, H. Groeller, J. A. Johnson,
R. A. Kowalski, S. M. Larson, G. J. Leonard, R. L. Seaman, F. C. Shelly.
1.0-m reflector + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.41-m f/6.3 Schmidt-Cassegrain
+ CCD.
Q62 iTelescope Observatory, Siding Spring. Observer D. Denisenko. 0.50-m
f/6.8 reflector + CCD + f/4.5 focal reducer.
Orbital elements:
2018 RY5 Earth MOID = 0.0004 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 326.25305 (2000.0) P Q
n 0.26330263 Peri. 90.88799 -0.15752824 +0.98687338
a 2.4108263 Node 169.83823 -0.96714419 -0.14689871
e 0.7594997 Incl. 11.63381 -0.19954191 -0.06709467
P 3.74 H 26.5 G 0.15 U 6
Residuals in seconds of arc
180913 703 1.0+ 0.5+ 180913 Q62 1.5- 1.5- 180914 I52 0.1+ 0.3-
180913 703 0.1- 0.5- 180913 J95 0.4+ 0.5+ 180914 I52 0.1+ 0.1-
180913 703 0.0 0.3+ 180913 J95 0.3- 0.2+ 180914 H21 0.3+ 0.2+
180913 703 0.2- 0.3- 180913 J95 0.2+ 0.1+ 180914 H21 0.3+ 0.2+
180913 H06 0.6+ 0.1- 180914 104 0.1+ 0.2+ 180914 H21 0.1+ 0.2+
180913 H06 0.3- 0.6- 180914 104 0.1+ 0.3+ 180914 E23 0.0 0.1-
180913 H06 0.2+ 0.6- 180914 104 0.0 0.2+ 180914 E23 0.2+ 0.2+
180913 H06 (2.7+ 2.2+) 180914 H36 0.2+ 0.0 180914 E23 0.1+ 0.1-
180913 H06 1.0+ 0.9+ 180914 H36 0.1+ 0.2- 180914 474 0.1- 0.2-
180913 H06 1.5+ 1.5+ 180914 H36 0.2+ 0.6- 180914 474 0.1+ 0.4-
180913 Q62 0.5- 0.2- 180914 I52 0.0 0.0 180914 474 0.0 0.4-
180913 Q62 1.2- 1.4- 180914 I52 0.0 0.1+ 180914 474 0.0 0.2-
Ephemeris:
2018 RY5 a,e,i = 2.41, 0.76, 12 q = 0.5798
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 08 15 11 30 37.4 +16 54 05 0.4252 0.6652 27.5 135.4 30.0
...
2018 08 30 11 40 46.1 +17 51 44 0.1904 0.8317 18.7 157.1 32.5
...
2018 09 07 11 40 33.6 +18 31 57 0.07819 0.9328 15.6 163.2 33.0
...
2018 09 13 00 27 31.4 -05 05 25 0.0040521.0102 163.9 16.1 15.4
2018 09 14 23 52 41.4 -15 19 03 0.01756 1.0232 166.6 13.1 18.5
2018 09 15 23 48 00.0 -16 36 27 0.03119 1.0361 165.9 13.7 19.8
...
2018 09 21 23 43 35.2 -17 41 03 0.1136 1.1133 163.1 15.2 22.9
...
2018 09 29 23 43 05.3 -17 32 13 0.2264 1.2150 158.2 17.8 24.6
...
2018 10 14 23 45 25.6 -16 24 52 0.4531 1.3997 147.0 22.8 26.6
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-R161
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