MPEC 2018-R140: 2018 RC5
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M.P.E.C. 2018-R140 Issued 2018 Sept. 13, 14:24 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 RC5
Observations:
K18R05C* C2018 09 11.25852 23 11 58.55 +09 37 19.3 21.4 G ER140G96
K18R05C C2018 09 11.26492 23 11 59.52 +09 37 03.4 21.0 G ER140G96
K18R05C C2018 09 11.27141 23 12 00.52 +09 36 47.2 20.1 G ER140G96
K18R05C C2018 09 11.27664 23 12 01.38 +09 36 33.8 21.0 G ER140G96
K18R05C C2018 09 11.36096 23 12 14.71 +09 33 03.0 21.6 G ER140V06
K18R05C C2018 09 11.36525 23 12 15.38 +09 32 52.0 21.1 G ER140V06
K18R05C C2018 09 11.36897 23 12 15.96 +09 32 42.6 21.1 G ER140V06
K18R05C C2018 09 11.37216 23 12 16.48 +09 32 34.9 21.2 G ER140V06
K18R05C KC2018 09 11.54458 23 12 47.85 +09 26 34.1 20.1 RVER140474
K18R05C KC2018 09 11.54810 23 12 48.45 +09 26 25.3 20.8 RVER140474
K18R05C KC2018 09 11.55162 23 12 48.97 +09 26 16.5 20.5 RVER140474
K18R05C C2018 09 11.87116 23 13 46.21 +09 11 50.0 21.3 VSER140033
K18R05C C2018 09 11.87491 23 13 46.80 +09 11 40.6 21.0 VSER140033
K18R05C C2018 09 11.87865 23 13 47.40 +09 11 31.7 20.5 VSER140033
K18R05C C2018 09 11.88240 23 13 48.00 +09 11 22.3 21.4 VSER140033
K18R05C IC2018 09 11.90259623 13 51.21 +09 10 38.9 21.4 GVER140L01
K18R05C KC2018 09 11.91650523 13 53.35 +09 10 04.5 21.2 GVER140L01
K18R05C KC2018 09 12.18344523 14 38.97 +08 59 24.7 21.6 VuER140H21
K18R05C KC2018 09 12.19543023 14 40.78 +08 58 56.1 21.7 VuER140H21
K18R05C KC2018 09 12.19969423 14 41.41 +08 58 45.7 21.6 VuER140H21
K18R05C C2018 09 12.23502 23 14 48.02 +08 57 26.8 20.3 G ER140I52
K18R05C C2018 09 12.23836 23 14 48.45 +08 57 18.4 21.0 G ER140I52
K18R05C C2018 09 12.24168 23 14 48.97 +08 57 10.6 21.1 G ER140I52
K18R05C C2018 09 13.39345 23 17 52.44 +08 12 26.5 21.9 GUER140I52
K18R05C C2018 09 13.39574 23 17 52.75 +08 12 21.6 21.1 GUER140I52
K18R05C C2018 09 13.39973 23 17 53.37 +08 12 12.7 20.4 GUER140I52
K18R05C C2018 09 13.40202 23 17 53.64 +08 12 07.1 21.5 GUER140I52
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers C. Hoegner,
B. Stecklum. Measurer B. Stecklum. 1.34-m f/3 Schmidt + 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.
G96 Mt. Lemmon Survey. Observer G. J. Leonard. 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. 1.5-m reflector + 10K CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes. 0.81-m f/4.0
astrograph + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer E. J. Christensen.
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.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector
+ CCD.
V06 Catalina Sky Survey-Kuiper. Observer R. A. Kowalski. 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. 1.55-m reflector + CCD.
Orbital elements:
2018 RC5 Earth MOID = 0.0787 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 318.51625 (2000.0) P Q
n 0.32241902 Peri. 112.00048 +0.53546294 +0.84441709
a 2.1063100 Node 190.41653 -0.80299234 +0.50334941
e 0.5076878 Incl. 4.90728 -0.26169207 +0.18330069
P 3.06 H 24.2 G 0.15 U 7
Residuals in seconds of arc
180911 G96 0.5+ 0.1+ 180911 474 0.6+ 0.0 180912 H21 0.3- 0.3+
180911 G96 0.2- 0.1+ 180911 474 0.0 0.1- 180912 H21 0.5- 0.0
180911 G96 0.6- 0.1+ 180911 033 0.1+ 0.1+ 180912 I52 0.8+ 0.2+
180911 G96 0.1- 0.2- 180911 033 0.0 0.2- 180912 I52 0.2- 0.3-
180911 V06 0.1+ 0.1+ 180911 033 0.1+ 0.1- 180912 I52 0.2+ 0.2-
180911 V06 0.0 0.1- 180911 033 0.1+ 0.4- 180913 I52 0.1- 0.3-
180911 V06 0.2- 0.2- 180911 L01 0.3+ 0.7+ 180913 I52 0.3- 0.0
180911 V06 0.0 0.1+ 180911 L01 0.0 0.1- 180913 I52 0.6+ 0.3+
180911 474 0.1- 0.0 180912 H21 0.3- 0.3+ 180913 I52 0.2- 0.1-
Ephemeris:
2018 RC5 a,e,i = 2.11, 0.51, 5 q = 1.0370
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 08 14 19 02 34.9 +36 46 50 0.08125 1.0532 117.6 58.5 21.0
...
2018 08 29 22 06 59.8 +22 02 40 0.1025 1.0982 148.0 29.2 20.7
...
2018 09 06 22 53 11.3 +13 45 55 0.1314 1.1322 159.6 18.1 21.0
...
2018 09 12 23 14 06.8 +09 07 17 0.1586 1.1614 166.4 11.7 21.2
2018 09 13 23 16 51.9 +08 27 52 0.1636 1.1665 167.4 10.8 21.3
2018 09 14 23 19 26.9 +07 50 16 0.1686 1.1718 168.4 9.9 21.3
...
2018 09 20 23 32 07.3 +04 38 57 0.2014 1.2045 172.8 6.0 21.6
...
2018 09 28 23 43 54.5 +01 38 19 0.2515 1.2516 171.8 6.6 22.2
...
2018 10 13 23 58 51.9 -01 23 01 0.3660 1.3473 159.8 14.8 23.5
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-R140
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