MPEC 2018-B72 : 2018 BX1
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M.P.E.C. 2018-B72 Issued 2018 Jan. 19, 23:36 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 BX1
Observations:
K18B01X* C2018 01 18.34000 10 22 20.21 +20 16 59.3 18.6 GUEB072703
K18B01X C2018 01 18.35055 10 21 57.28 +20 12 18.3 18.6 GUEB072703
K18B01X C2018 01 18.35582 10 21 45.88 +20 09 58.6 18.2 GUEB072703
K18B01X C2018 01 18.40711 10 19 54.64 +19 47 12.0 UEB072I52
K18B01X C2018 01 18.40724 10 19 54.36 +19 47 09.0 18.7 GUEB072I52
K18B01X C2018 01 18.40737 10 19 54.10 +19 47 04.9 UEB072I52
K18B01X C2018 01 18.40750 10 19 53.84 +19 47 01.3 UEB072I52
K18B01X C2018 01 18.50429 10 16 26.59 +19 03 50.8 18.2 GUEB072I52
K18B01X C2018 01 18.50441 10 16 26.33 +19 03 47.1 18.2 GUEB072I52
K18B01X C2018 01 18.50454 10 16 26.07 +19 03 44.0 18.4 GUEB072I52
K18B01X C2018 01 18.50466 10 16 25.80 +19 03 40.7 18.2 GUEB072I52
K18B01X KC2018 01 18.92658110 02 32.48 +15 56 33.4 UEB072J95
K18B01X KC2018 01 18.92854810 02 28.65 +15 55 42.1 UEB072J95
K18B01X KC2018 01 18.93031610 02 25.19 +15 54 56.3 18.8 GUEB072J95
K18B01X C2018 01 18.96847 10 01 09.70 +15 38 26.5 19.9 VSEB072033
K18B01X C2018 01 18.96911 10 01 08.45 +15 38 09.8 19.8 VSEB072033
K18B01X C2018 01 18.96973 10 01 07.25 +15 37 53.8 20.0 VSEB072033
K18B01X KC2018 01 19.07617 09 57 41.15 +14 51 54.9 UEB072204
K18B01X KC2018 01 19.08046 09 57 32.90 +14 50 03.2 UEB072204
K18B01X KC2018 01 19.08474 09 57 24.65 +14 48 12.0 18.6 GUEB072204
K18B01X C2018 01 19.08781 09 57 18.51 +14 46 41.0 18.6 VSEB072033
K18B01X C2018 01 19.08907 09 57 16.07 +14 46 07.8 18.7 VSEB072033
K18B01X C2018 01 19.08970 09 57 14.87 +14 45 51.5 19.3 VSEB072033
K18B01X C2018 01 19.25017 09 52 25.81 +13 37 27.7 19.4 GUEB072I52
K18B01X C2018 01 19.25029 09 52 25.55 +13 37 25.2 19.5 GUEB072I52
K18B01X C2018 01 19.25042 09 52 25.40 +13 37 22.4 UEB072I52
K18B01X C2018 01 19.25054 09 52 25.18 +13 37 19.8 19.0 GUEB072I52
K18B01X C2018 01 19.39668109 47 54.44 +12 35 29.4 18.2 GUEB072H01
K18B01X C2018 01 19.40375109 47 41.51 +12 32 30.8 18.3 GUEB072H01
K18B01X C2018 01 19.41127609 47 27.78 +12 29 20.9 18.4 GUEB072H01
K18B01X C2018 01 19.41751209 47 16.42 +12 26 43.5 18.1 GUEB072H01
K18B01X KC2018 01 19.86156 09 34 48.81 +09 24 15.3 17.4 RqEB072K61
K18B01X KC2018 01 19.86209 09 34 47.94 +09 24 01.4 17.6 RqEB072K61
K18B01X KC2018 01 19.86262 09 34 47.06 +09 23 48.9 17.6 RqEB072K61
K18B01X KC2018 01 19.86315 09 34 46.20 +09 23 36.4 17.7 RqEB072K61
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers F. Ludwig,
B. Stecklum. Measurer B. Stecklum. 1.34-m f/3 Schmidt + CCD.
204 Schiaparelli Observatory. Observer L. Buzzi. 0.60-m f/4.64 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.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 reflector + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer R. G. Matheny.
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.
K61 Rokycany Observatory. Observer M. Adamovsky. 0.51-m f/6.8 reflector
+ CCD.
Orbital elements:
2018 BX1 Earth MOID = 0.0475 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5 MPC
M 308.43776 (2000.0) P Q
n 0.65332636 Peri. 103.18938 +0.58801362 -0.65777229
a 1.3153740 Node 300.41462 +0.34805854 +0.73109100
e 0.3774802 Incl. 33.08162 +0.73013371 +0.18122242
P 1.51 H 23.7 G 0.15 U 5
Residuals in seconds of arc
180118 703 0.7- 0.5- 180118 J95 0.1+ 0.3- 180119 I52 0.9- 0.0
180118 703 0.3- 0.9- 180118 J95 0.0 0.0 180119 I52 0.4+ 0.5+
180118 703 0.6+ 0.4- 180118 033 0.2- 0.2- 180119 I52 0.5+ 0.9+
180118 I52 0.2- 0.4+ 180118 033 0.2- 0.2- 180119 H01 0.2+ 0.2-
180118 I52 0.2- 0.9+ 180118 033 0.0 0.0 180119 H01 0.2+ 0.1-
180118 I52 0.1+ 0.2+ 180119 204 0.3+ 0.4+ 180119 H01 0.3+ 0.0
180118 I52 0.4+ 0.1+ 180119 204 0.5+ 0.2+ 180119 H01 0.4+ 0.0
180118 I52 0.0 0.6+ 180119 204 0.4+ 0.1+ 180119 K61 0.2- 0.9+
180118 I52 0.0 0.1+ 180119 033 0.1+ 0.0 180119 K61 0.2- 0.3-
180118 I52 0.2+ 0.5+ 180119 033 0.3- 0.5- 180119 K61 0.2- 0.2-
180118 I52 0.1- 0.4+ 180119 033 0.2- 0.4- 180119 K61 0.0 0.1-
180118 J95 0.0 0.3- 180119 I52 0.4- 0.6-
Ephemeris:
2018 BX1 a,e,i = 1.32, 0.38, 33 q = 0.8188
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2017 12 20 17 29 35.7 +38 10 20 0.3148 0.8800 61.8 99.8 24.5
...
2018 01 04 16 33 39.7 +43 21 33 0.1618 0.9514 74.0 96.6 23.1
...
2018 01 12 14 31 09.8 +45 37 56 0.08494 0.9957 95.8 79.3 21.1
...
2018 01 18 10 34 38.6 +22 48 55 0.05728 1.0307 143.8 34.3 19.0
2018 01 19 10 00 07.5 +15 26 33 0.05934 1.0366 151.7 26.7 18.8
2018 01 20 09 31 01.8 +08 31 34 0.06343 1.0425 156.6 22.0 18.9
...
2018 01 26 07 55 59.1 -14 44 56 0.1122 1.0787 145.2 31.4 20.5
...
2018 02 03 07 14 20.9 -23 02 44 0.1979 1.1275 131.9 40.6 22.0
...
2018 02 18 06 55 15.3 -25 49 19 0.3698 1.2185 120.5 44.3 23.7
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-B72
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