MPEC 2018-C53 : 2018 CU1
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M.P.E.C. 2018-C53 Issued 2018 Feb. 10, 18:37 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 CU1
Observations:
K18C01U* C2018 02 07.50321 17 58 04.18 +64 26 20.6 19.1 GUEC053703
K18C01U C2018 02 07.50817 17 57 56.38 +64 26 51.8 19.1 GUEC053703
K18C01U C2018 02 07.51313 17 57 48.30 +64 27 21.7 18.8 GUEC053703
K18C01U C2018 02 07.51809 17 57 40.87 +64 27 51.2 19.6 GUEC053703
K18C01U C2018 02 07.54032 17 57 05.38 +64 30 02.9 18.9 GUEC053703
K18C01U C2018 02 07.54493 17 56 57.57 +64 30 31.7 UEC053703
K18C01U KC2018 02 07.93186 17 46 28.62 +65 06 15.9 19.9 VqEC053C42
K18C01U KC2018 02 07.94585 17 46 04.38 +65 07 36.0 19.9 VqEC053C42
K18C01U KC2018 02 07.94789 17 46 00.97 +65 07 47.5 19.8 VqEC053C42
K18C01U C2018 02 08.52309 17 28 52.24 +65 57 53.5 18.6 GUEC053I52
K18C01U C2018 02 08.52327 17 28 51.76 +65 57 54.6 19.2 GUEC053I52
K18C01U C2018 02 08.52346 17 28 51.40 +65 57 55.2 18.9 GUEC053I52
K18C01U C2018 02 08.52364 17 28 51.05 +65 57 56.5 18.7 GUEC053I52
K18C01U C2018 02 09.52055 16 54 41.23 +67 09 10.4 18.8 GUEC053I52
K18C01U C2018 02 09.52073 16 54 40.83 +67 09 10.8 18.6 GUEC053I52
K18C01U C2018 02 09.52091 16 54 40.50 +67 09 11.8 18.8 GUEC053I52
K18C01U C2018 02 09.52110 16 54 40.05 +67 09 12.2 18.6 GUEC053I52
K18C01U KC2018 02 10.06827 16 33 35.54 +67 36 29.0 19.1 UEC053104
K18C01U KC2018 02 10.07122 16 33 28.34 +67 36 37.7 19.1 UEC053104
K18C01U KC2018 02 10.07418 16 33 21.19 +67 36 46.0 19.0 UEC053104
K18C01U KC2018 02 10.11552 16 31 40.39 +67 38 25.9 UEC053J95
K18C01U KC2018 02 10.11783 16 31 34.71 +67 38 32.1 UEC053J95
K18C01U KC2018 02 10.12017 16 31 29.05 +67 38 38.1 19.1 GUEC053J95
K18C01U C2018 02 10.14929416 30 17.01 +67 40 08.2 19.0 VSEC053L01
K18C01U C2018 02 10.15123816 30 12.22 +67 40 13.3 18.9 VSEC053L01
K18C01U C2018 02 10.15173616 30 11.03 +67 40 15.0 18.9 VSEC053L01
K18C01U C2018 02 10.15221116 30 09.79 +67 40 15.8 18.9 VSEC053L01
K18C01U C2018 02 10.15268516 30 08.59 +67 40 16.8 19.0 VSEC053L01
K18C01U C2018 02 10.15316016 30 07.48 +67 40 17.9 19.3 VSEC053L01
Observer details:
104 San Marcello Pistoiese. Observers P. Bacci, M. Maestripieri. Measurers
P. Bacci, L. Tesi, G. Fagioli. 0.60-m reflector + CCD.
703 Catalina Sky Survey. Observer G. J. Leonard. Measurers E. J. Christensen,
D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson, R. A. Kowalski,
S. M. Larson, G. J. Leonard, R. G. Matheny, R. L. Seaman, F. C. Shelly.
0.68-m Schmidt + 10K CCD.
C42 Xingming Observatory, Mt. Nanshan. Observers Z. Xu, X. Gao. Measurer
Z. Xu. 0.6-m f/8 Ritchey-Chretien + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observers R. A. Kowalski,
G. J. Leonard. Measurers E. J. Christensen, D. C. Fuls, A. R. Gibbs,
A. D. Grauer, J. A. Johnson, R. A. Kowalski, S. M. Larson, G. J. Leonard,
R. G. Matheny, R. L. Seaman, F. C. Shelly. 1.0-m reflector + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector
+ CCD.
Orbital elements:
2018 CU1 Earth MOID = 0.1125 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 31.41091 (2000.0) P Q
n 0.37765168 Peri. 98.66891 +0.14965288 -0.98313750
a 1.8955785 Node 341.68616 +0.72340638 +0.18132938
e 0.5622139 Incl. 19.53952 +0.67400833 +0.02367112
P 2.61 H 20.9 G 0.15 U 8
Residuals in seconds of arc
180207 703 0.6- 0.7- 180208 I52 0.5- 0.2+ 180210 J95 0.3+ 0.1+
180207 703 0.3- 0.6+ 180208 I52 0.5- 0.2- 180210 J95 0.0 0.1+
180207 703 1.6- 0.7+ 180208 I52 0.5- 0.2+ 180210 J95 0.2+ 0.1-
180207 703 1.3+ 0.4+ 180209 I52 0.4- 0.1+ 180210 L01 0.3- 0.2-
180207 703 1.3+ 1.0- 180209 I52 0.3- 0.2- 180210 L01 0.3- 0.1-
180207 703 1.3- 0.3+ 180209 I52 0.2+ 0.1+ 180210 L01 0.0 0.3+
180207 C42 1.8+ 0.3- 180209 I52 0.1+ 0.2- 180210 L01 0.4- 0.1-
180207 C42 0.0 0.0 180210 104 0.2+ 0.3- 180210 L01 0.6- 0.3-
180207 C42 0.6+ 0.1- 180210 104 0.1- 0.1+ 180210 L01 0.2- 0.4-
180208 I52 0.3+ 0.0 180210 104 0.0 0.1+
Ephemeris:
2018 CU1 a,e,i = 1.90, 0.56, 20 q = 0.8299
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 01 11 20 41 43.0 +32 07 02 0.3356 0.8474 56.8 103.9 22.0
...
2018 01 26 20 10 21.8 +45 35 04 0.2196 0.9123 64.6 102.8 21.2
...
2018 02 03 19 16 31.0 +56 44 20 0.1631 0.9617 76.8 93.6 20.2
...
2018 02 09 17 13 09.5 +66 34 20 0.1294 1.0036 93.8 78.8 19.2
2018 02 10 16 36 12.2 +67 33 35 0.1252 1.0109 97.6 75.4 19.0
2018 02 11 15 54 15.4 +67 59 38 0.1214 1.0183 101.6 71.7 18.9
...
2018 02 17 12 12 18.2 +55 33 59 0.1134 1.0641 129.6 45.7 18.0
...
2018 02 25 10 37 06.9 +27 48 53 0.1451 1.1283 161.4 16.2 17.8
...
2018 03 12 09 57 16.9 +04 03 55 0.2768 1.2538 157.5 17.6 19.5
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-C53
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