MPEC 2018-S17 : 2018 RT7
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M.P.E.C. 2018-S17 Issued 2018 Sept. 16, 22:18 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 RT7
Observations:
K18R07T* C2018 09 13.26851 00 39 20.03 -02 06 46.5 21.3 GUES017G96
K18R07T C2018 09 13.27382 00 39 19.00 -02 06 33.3 UES017G96
K18R07T C2018 09 13.27913 00 39 18.01 -02 06 20.4 21.2 GUES017G96
K18R07T C2018 09 13.28443 00 39 16.97 -02 06 07.8 21.3 GUES017G96
K18R07T C2018 09 13.39253 00 38 55.83 -02 01 46.1 22.2 GUES017G96
K18R07T C2018 09 13.39501 00 38 55.36 -02 01 40.8 21.4 GUES017G96
K18R07T C2018 09 13.39734 00 38 54.90 -02 01 34.9 21.4 GUES017G96
K18R07T KC2018 09 14.25277400 36 15.93 -01 27 08.5 21.8 VuES017H21
K18R07T KC2018 09 14.26013200 36 14.49 -01 26 50.9 21.5 VuES017H21
K18R07T KC2018 09 14.26499500 36 13.53 -01 26 39.1 21.8 VuES017H21
K18R07T C2018 09 14.29644 00 36 07.96 -01 25 20.0 22.2 GVES017I52
K18R07T C2018 09 14.30179 00 36 06.92 -01 25 06.7 VES017I52
K18R07T C2018 09 14.30713 00 36 05.88 -01 24 53.8 VES017I52
K18R07T C2018 09 14.31247 00 36 04.80 -01 24 41.2 21.7 GVES017I52
K18R07T KC2018 09 15.23183500 33 11.20 -00 47 37.7 21.2 VuES017H21
K18R07T KC2018 09 15.24321600 33 08.94 -00 47 10.2 21.5 VuES017H21
K18R07T KC2018 09 15.25946800 33 05.70 -00 46 31.0 21.2 VuES017H21
K18R07T IC2018 09 15.41409 00 32 35.30 -00 40 14.2 oES017711
K18R07T IC2018 09 15.41761 00 32 34.50 -00 40 04.1 oES017711
K18R07T KC2018 09 15.42116 00 32 33.79 -00 39 55.0 oES017711
K18R07T C2018 09 16.27727 00 29 51.82 -00 05 24.3 20.8 GVES017V06
K18R07T C2018 09 16.27929 00 29 51.57 -00 05 21.4 20.9 GVES017V06
K18R07T C2018 09 16.28129 00 29 51.05 -00 05 14.9 21.7 GVES017V06
K18R07T C2018 09 16.28329 00 29 50.65 -00 05 09.7 21.4 GVES017V06
Observer details:
711 McDonald Observatory. Observer J. G. Ries. 2.1-m reflector + CCD + focal
reducer.
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, 1.3-m f/4.0 astrograph + 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.
V06 Catalina Sky Survey-Kuiper. Observer D. C. Fuls. 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 RT7 Earth MOID = 0.2872 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 301.56335 (2000.0) P Q
n 0.59377536 Peri. 300.46335 +0.48383946 +0.87511046
a 1.4019137 Node 358.38957 -0.65209207 +0.35363589
e 0.1139514 Incl. 18.68383 -0.58367397 +0.33033822
P 1.66 H 22.9 G 0.15 U 8
Residuals in seconds of arc
180913 G96 0.3- 0.4- 180914 H21 0.1- 0.2- 180915 711 1.0+ 1.3-
180913 G96 0.3- 0.4- 180914 H21 0.1- 0.2- 180915 711 0.5- 0.2+
180913 G96 0.3- 0.0 180914 I52 0.1- 0.0 180915 711 0.6- 0.7+
180913 G96 0.3+ 0.1+ 180914 I52 0.2+ 0.3+ 180916 V06 0.8- 0.6+
180913 G96 0.2+ 0.1- 180914 I52 0.4+ 0.3+ 180916 V06 1.5+ 1.4-
180913 G96 0.1- 0.5+ 180914 I52 0.0 0.0 180916 V06 0.3- 0.3+
180913 G96 0.1+ 0.2- 180915 H21 0.1- 0.1+ 180916 V06 0.2- 0.7+
180913 G96 0.1+ 0.1+ 180915 H21 0.0 0.0
180914 H21 0.2- 0.0 180915 H21 0.1- 0.1-
Ephemeris:
2018 RT7 a,e,i = 1.40, 0.11, 19 q = 1.2422
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 08 17 01 34 01.9 -17 34 14 0.3782 1.2669 124.8 41.0 22.9
...
2018 09 01 01 12 07.3 -09 55 16 0.3264 1.2834 142.4 28.7 22.3
...
2018 09 09 00 52 00.2 -04 56 32 0.3099 1.2935 154.2 19.8 21.9
...
2018 09 15 00 33 54.8 -00 56 43 0.3051 1.3016 163.9 12.4 21.6
2018 09 16 00 30 44.5 -00 16 22 0.3050 1.3030 165.5 11.1 21.6
2018 09 17 00 27 32.5 +00 23 54 0.3051 1.3044 167.1 9.9 21.5
...
2018 09 23 00 08 09.6 +04 19 50 0.3104 1.3131 175.0 3.8 21.3
...
2018 10 01 23 43 45.5 +09 01 33 0.3296 1.3251 167.5 9.4 21.7
...
2018 10 16 23 10 48.1 +15 20 49 0.3981 1.3488 147.1 23.6 22.7
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-S17
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