MPEC 2018-B87 : 2018 BA3
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M.P.E.C. 2018-B87 Issued 2018 Jan. 21, 23:45 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 BA3
Observations:
K18B03A* C2018 01 18.23225 05 04 15.07 -10 29 06.5 20.6 GUEB087G96
K18B03A C2018 01 18.23741 05 04 17.05 -10 29 11.9 20.3 GUEB087G96
K18B03A C2018 01 18.24255 05 04 19.01 -10 29 16.8 20.5 GUEB087G96
K18B03A C2018 01 18.24770 05 04 21.01 -10 29 21.6 20.1 GUEB087G96
K18B03A C2018 01 18.28865 05 04 37.13 -10 30 01.2 20.9 GUEB087I52
K18B03A C2018 01 18.28942 05 04 37.40 -10 30 01.3 21.0 GUEB087I52
K18B03A C2018 01 18.29018 05 04 37.73 -10 30 03.0 20.3 GUEB087I52
K18B03A C2018 01 20.23626 05 26 44.02 -11 13 22.4 19.8 GUEB087703
K18B03A C2018 01 20.24149 05 26 48.18 -11 13 31.0 19.1 GUEB087703
K18B03A C2018 01 20.24672 05 26 52.44 -11 13 38.7 19.4 GUEB087703
K18B03A C2018 01 20.24812 05 26 53.62 -11 13 40.8 19.8 GUEB087G96
K18B03A C2018 01 20.24853 05 26 53.95 -11 13 41.5 19.8 GUEB087G96
K18B03A C2018 01 20.24893 05 26 54.28 -11 13 42.1 19.6 GUEB087G96
K18B03A C2018 01 20.24934 05 26 54.61 -11 13 42.7 19.7 GUEB087G96
K18B03A C2018 01 20.25194 05 26 56.74 -11 13 47.2 19.1 GUEB087703
K18B03A C2018 01 20.28893 05 27 27.31 -11 14 42.2 19.3 GUEB087I52
K18B03A C2018 01 20.28917 05 27 27.49 -11 14 42.1 19.5 GUEB087I52
K18B03A C2018 01 20.28942 05 27 27.69 -11 14 42.4 19.5 GUEB087I52
K18B03A C2018 01 20.28966 05 27 27.87 -11 14 42.9 19.4 GUEB087I52
K18B03A C2018 01 20.31365505 27 47.50 -11 15 22.6 19.5 GUEB087H01
K18B03A C2018 01 20.31618005 27 49.70 -11 15 26.1 19.5 GUEB087H01
K18B03A C2018 01 20.31772705 27 51.04 -11 15 28.3 19.5 GUEB087H01
K18B03A C2018 01 20.32000705 27 53.03 -11 15 31.5 19.6 GUEB087H01
K18B03A C2018 01 20.32989205 28 01.70 -11 15 45.1 19.3 GUEB087H01
K18B03A C2018 01 20.33501305 28 06.24 -11 15 52.2 19.1 GUEB087H01
K18B03A C2018 01 21.84130 06 03 05.81 -12 07 34.6 18.6 VSEB087033
K18B03A C2018 01 21.84205 06 03 07.14 -12 07 36.2 19.0 VSEB087033
K18B03A C2018 01 21.84279 06 03 08.48 -12 07 38.1 18.6 VSEB087033
K18B03A KC2018 01 21.88376 06 04 22.93 -12 08 41.2 18.1 UEB087K63
K18B03A KC2018 01 21.88534 06 04 25.63 -12 08 44.8 18.9 UEB087104
K18B03A KC2018 01 21.89020 06 04 34.40 -12 08 55.6 18.7 UEB087104
K18B03A KC2018 01 21.89263 06 04 38.79 -12 09 01.4 19.2 UEB087104
K18B03A KC2018 01 21.89611 06 04 45.23 -12 09 09.2 18.5 UEB087K63
K18B03A KC2018 01 21.90145 06 04 54.97 -12 09 21.4 18.5 UEB087K63
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers F. Ludwig,
B. Stecklum. Measurer B. Stecklum. 1.34-m f/3 Schmidt + CCD.
104 San Marcello Pistoiese. Observers P. Bacci, M. Maestripieri, M. D. Grazia.
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.
G96 Mt. Lemmon Survey. Observers D. C. Fuls, R. A. Kowalski. 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. 1.5-m reflector + 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. Observers R. G. Matheny,
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.
K63 G. Pascoli Observatory, Castelvecchio Pascoli. Observer R. Bacci. 0.40-m
f/3.2 Newtonian reflector + CCD.
Orbital elements:
2018 BA3 Earth MOID = 0.0052 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5 MPC
M 310.81675 (2000.0) P Q
n 0.32444382 Peri. 9.34563 -0.71422903 -0.69484112
a 2.0975374 Node 126.29294 +0.63522863 -0.69397658
e 0.5306171 Incl. 5.98923 +0.29387324 -0.18865926
P 3.04 H 26.2 G 0.15 U 4
Residuals in seconds of arc
180118 G96 0.1+ 0.1- 180120 G96 0.1- 0.2+ 180120 H01 0.1- 0.1+
180118 G96 0.2+ 0.3- 180120 G96 0.1- 0.2+ 180121 033 0.1+ 0.0
180118 G96 0.0 0.1- 180120 703 0.4+ 0.5- 180121 033 0.1- 0.2+
180118 G96 0.2+ 0.2+ 180120 I52 0.3+ 0.1- 180121 033 0.2+ 0.1+
180118 I52 0.0 0.1- 180120 I52 0.1- 0.3+ 180121 K63 0.5- 0.1-
180118 I52 0.6- 0.5+ 180120 I52 0.2- 0.4+ 180121 104 0.3- 0.1-
180118 I52 0.3- 0.5- 180120 I52 0.5- 0.3+ 180121 104 0.2- 0.2+
180120 703 0.1+ 0.1+ 180120 H01 0.1- 0.1+ 180121 104 0.3- 0.1-
180120 703 0.8- 0.4- 180120 H01 0.1+ 0.1+ 180121 K63 0.6- 0.1+
180120 703 0.4- 0.0 180120 H01 0.0 0.1+ 180121 K63 0.1+ 0.0
180120 G96 0.1- 0.2+ 180120 H01 0.0 0.1+
180120 G96 0.2- 0.1+ 180120 H01 0.2- 0.2+
Ephemeris:
2018 BA3 a,e,i = 2.10, 0.53, 6 q = 0.9845
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2017 12 22 04 32 56.6 -05 58 04 0.1597 1.1164 143.7 31.5 23.8
...
2018 01 06 04 32 28.0 -08 22 35 0.08786 1.0433 131.2 45.2 22.7
...
2018 01 14 04 43 52.1 -09 31 22 0.05102 1.0148 126.6 51.1 21.7
...
2018 01 20 05 23 15.3 -11 02 54 0.02398 0.9993 129.0 50.0 20.0
2018 01 21 05 40 50.1 -11 31 01 0.01966 0.9972 131.4 47.8 19.5
2018 01 22 06 08 16.2 -12 05 17 0.01551 0.9953 135.3 44.1 18.8
...
2018 01 28 14 16 04.2 +03 10 36 0.01628 0.9869 96.8 82.2 20.1
...
2018 02 05 15 34 43.7 +07 10 22 0.05155 0.9845 86.9 90.1 22.9
...
2018 02 20 15 54 42.7 +08 06 35 0.1166 1.0073 95.8 77.5 24.3
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-B87
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