MPEC 2018-R132: 2018 RK4
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M.P.E.C. 2018-R132 Issued 2018 Sept. 12, 15:21 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 RK4
Observations:
K18R04K* S2018 09 09.33326 04 41 37.52 +51 18 11.2 19 RLER132C51
K18R04K s2018 09 09.33326 1 - 1727.7311 + 4192.8489 + 5133.7709 ER132C51
K18R04K S2018 09 09.46353 04 42 11.18 +51 19 53.7 LER132C51
K18R04K s2018 09 09.46353 1 - 1692.6286 + 3881.2565 + 5383.8025 ER132C51
K18R04K S2018 09 09.46366 04 42 11.10 +51 19 53.6 LER132C51
K18R04K s2018 09 09.46366 1 - 1702.4984 + 3947.0921 + 5332.7006 ER132C51
K18R04K S2018 09 09.59494 04 42 45.12 +51 21 40.0 LER132C51
K18R04K s2018 09 09.59494 1 - 1742.2282 + 4152.7359 + 5161.3330 ER132C51
K18R04K S2018 09 09.72585 04 43 18.86 +51 23 21.7 LER132C51
K18R04K s2018 09 09.72585 1 - 1753.9338 + 4164.4145 + 5147.9716 ER132C51
K18R04K S2018 09 09.85662 04 43 52.63 +51 25 06.9 LER132C51
K18R04K s2018 09 09.85662 1 - 1756.3402 + 4112.4929 + 5188.6313 ER132C51
K18R04K S2018 09 09.85675 04 43 52.76 +51 25 08.2 LER132C51
K18R04K s2018 09 09.85675 1 - 1765.6834 + 4176.0080 + 5134.5769 ER132C51
K18R04K S2018 09 09.98753 04 44 26.56 +51 26 49.7 LER132C51
K18R04K s2018 09 09.98753 1 - 1768.0618 + 4124.2237 + 5175.3551 ER132C51
K18R04K S2018 09 10.24933 04 45 34.51 +51 30 13.1 LER132C51
K18R04K s2018 09 10.24933 1 - 1791.6425 + 4147.4746 + 5148.6631 ER132C51
K18R04K KC2018 09 11.08170104 49 11.86 +51 40 48.0 21.7 GVER132L01
K18R04K KC2018 09 11.09299304 49 14.73 +51 40 55.7 21.6 GVER132L01
K18R04K KC2018 09 11.39882 04 50 34.68 +51 44 44.3 21.2 GUER132734
K18R04K KC2018 09 11.40821 04 50 37.11 +51 44 51.3 21.6 GUER132734
K18R04K KC2018 09 11.41681 04 50 39.31 +51 44 58.1 20.7 GUER132734
K18R04K C2018 09 12.01802 04 53 17.01 +51 52 12.2 20.9 VSER132033
K18R04K C2018 09 12.02176 04 53 18.00 +51 52 14.4 20.5 VSER132033
K18R04K C2018 09 12.02551 04 53 18.98 +51 52 17.6 20.8 VSER132033
K18R04K C2018 09 12.02926 04 53 19.96 +51 52 20.2 20.9 VSER132033
K18R04K C2018 09 12.03300 04 53 20.93 +51 52 23.1 20.7 VSER132033
K18R04K KC2018 09 12.11706704 53 42.83 +51 53 25.4 21.6 GVER132L01
K18R04K KC2018 09 12.12798104 53 45.65 +51 53 33.7 21.5 GVER132L01
K18R04K C2018 09 12.45359 04 55 11.33 +51 57 25.8 21.5 G ER132I52
K18R04K C2018 09 12.45664 04 55 12.26 +51 57 28.2 21.1 G ER132I52
K18R04K C2018 09 12.45970 04 55 12.99 +51 57 30.1 21.1 G ER132I52
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers C. Hoegner,
B. Stecklum. Measurer B. Stecklum. 1.34-m f/3 Schmidt + CCD.
734 Farpoint Observatory. Observer G. Hug. 0.69-m reflector + 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.
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.
Orbital elements:
2018 RK4
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 322.18833 (2000.0) P Q
n 0.17017885 Peri. 127.20019 +0.34674197 -0.88365280
a 3.2250193 Node 299.61789 +0.70430380 +0.46675219
e 0.5575991 Incl. 21.21081 +0.61945634 -0.03605715
P 5.79 H 18.6 G 0.15 U 9
Residuals in seconds of arc
180909 C51 0.1+ 0.6+ 180910 C51 0.5+ 0.2- 180912 033 0.1+ 0.2-
180909 C51 0.5+ 0.8- 180911 L01 0.3+ 0.3+ 180912 033 0.1+ 0.3-
180909 C51 0.5- 1.1- 180911 L01 0.1- 0.6- 180912 033 0.1+ 0.2-
180909 C51 0.8+ 0.4+ 180911 734 0.1+ 0.1- 180912 L01 0.2+ 0.3-
180909 C51 0.0 1.8- 180911 734 0.1+ 0.1- 180912 L01 0.1+ 0.1+
180909 C51 0.6- 0.3+ 180911 734 0.0 0.2+ 180912 I52 0.5- 0.0
180909 C51 0.3+ 1.4+ 180912 033 0.0 0.0 180912 I52 0.7+ 0.2+
180909 C51 0.2- 0.4+ 180912 033 0.1+ 0.6- 180912 I52 0.2+ 0.1-
Ephemeris:
2018 RK4 a,e,i = 3.23, 0.56, 21 q = 1.4268
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 08 13 02 58 34.2 +42 44 59 1.3854 1.6512 85.5 37.7 21.9
...
2018 08 28 03 51 22.7 +47 58 08 1.2467 1.5801 88.2 39.7 21.6
...
2018 09 05 04 23 19.2 +50 15 32 1.1814 1.5465 89.5 40.7 21.5
...
2018 09 11 04 48 49.9 +51 39 46 1.1360 1.5235 90.4 41.4 21.4
2018 09 12 04 53 11.6 +51 52 01 1.1287 1.5199 90.6 41.5 21.4
2018 09 13 04 57 34.9 +52 03 43 1.1215 1.5163 90.7 41.6 21.4
...
2018 09 19 05 24 22.2 +53 02 00 1.0799 1.4962 91.7 42.2 21.3
...
2018 09 27 06 00 40.3 +53 46 01 1.0281 1.4730 93.0 42.8 21.2
...
2018 10 12 07 05 50.7 +53 23 22 0.9402 1.4416 96.1 43.5 20.9
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-R132
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