MPEC 2018-B34 : 2018 BC
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M.P.E.C. 2018-B34 Issued 2018 Jan. 18, 00:32 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 BC
Observations:
K18B00C C2018 01 17.21005 07 32 17.88 +67 47 05.8 18.2 GUEB034703
K18B00C C2018 01 17.21542 07 32 35.39 +67 45 28.2 18.9 GUEB034703
K18B00C C2018 01 17.22079 07 32 52.67 +67 43 49.4 18.7 GUEB034703
K18B00C* C2018 01 17.26009 07 34 55.64 +67 30 34.7 17.9 GUEB034703
K18B00C C2018 01 17.26038 07 34 56.24 +67 30 28.8 18.2 GUEB034703
K18B00C C2018 01 17.26066 07 34 57.15 +67 30 22.4 18.7 GUEB034703
K18B00C C2018 01 17.26095 07 34 58.10 +67 30 15.9 18.6 GUEB034703
K18B00C C2018 01 17.32483 07 38 09.84 +67 04 01.1 18.7 GUEB034I52
K18B00C C2018 01 17.32501 07 38 10.43 +67 03 56.3 18.5 GUEB034I52
K18B00C C2018 01 17.32520 07 38 10.89 +67 03 51.2 18.3 GUEB034I52
K18B00C C2018 01 17.32538 07 38 11.47 +67 03 46.4 18.5 GUEB034I52
K18B00C C2018 01 17.34059007 38 39.28 +66 55 18.3 18.7 GUEB034H01
K18B00C C2018 01 17.34895907 39 05.45 +66 51 08.2 18.4 GUEB034H01
K18B00C C2018 01 17.35896907 39 37.06 +66 46 01.7 18.7 GUEB034H01
K18B00C C2018 01 17.36623907 40 00.33 +66 42 13.4 18.9 GUEB034H01
K18B00C C2018 01 17.47187 07 46 25.15 +65 41 17.5 UEB034703
K18B00C C2018 01 17.47256 07 46 27.79 +65 40 51.0 18.7 GUEB034703
K18B00C C2018 01 17.47290 07 46 29.13 +65 40 37.6 18.7 GUEB034703
K18B00C KC2018 01 17.82691 08 23 48.73 +62 02 40.6 18.6 UEB034K63
K18B00C KC2018 01 17.83071 08 24 03.80 +62 00 33.6 18.8 UEB034K63
K18B00C KC2018 01 17.83295 08 24 41.29 +61 56 45.9 18.8 RtEB034B49
K18B00C KC2018 01 17.83382 08 24 16.15 +61 58 47.1 19.0 UEB034K63
K18B00C KC2018 01 17.83541 08 24 51.29 +61 55 24.9 18.3 RtEB034B49
K18B00C KC2018 01 17.83635 08 24 55.15 +61 54 54.0 18.5 RtEB034B49
K18B00C KC2018 01 17.91203 08 28 43.78 +61 10 10.9 qEB034595
K18B00C KC2018 01 17.91769 08 29 02.91 +61 06 18.0 18.8 VqEB034595
K18B00C KC2018 01 17.92336 08 29 21.69 +61 02 21.7 19.0 VqEB034595
K18B00C KC2018 01 17.93468 08 29 59.04 +60 54 20.9 19.0 VqEB034595
Observer details:
595 Farra d'Isonzo. Observers G. Ierman, E. Pettarin, F. Piani. Measurer
E. Pettarin. 0.61-m f/4.0 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.
B49 Paus Observatory, Sabadell. Observer J. Camarasa. 0.30-m f/4 Newtonian
reflector + 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.
K63 G. Pascoli Observatory, Castelvecchio Pascoli. Observer R. Bacci. 0.40-m
f/3.2 Newtonian reflector + CCD.
Orbital elements:
2018 BC Earth MOID = 0.0038 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5 MPC
M 238.36406 (2000.0) P Q
n 0.84739973 Peri. 184.50461 -0.58056031 -0.81304107
a 1.1059712 Node 300.99153 +0.74861503 -0.51188300
e 0.1082017 Incl. 2.92531 +0.32019567 -0.27738063
P 1.16 H 29.3 G 0.15 U 5
Residuals in seconds of arc
180117 703 0.2- 0.6+ 180117 I52 0.3- 0.0 180117 B49 1.0+ 0.0
180117 703 0.2- 0.0 180117 H01 0.0 0.2- 180117 K63 0.1- 0.8-
180117 703 0.6- 0.3+ 180117 H01 0.2+ 0.5- 180117 B49 0.1- 0.1-
180117 703 1.4+ 0.2- 180117 H01 0.1+ 0.2- 180117 B49 0.1- 0.1+
180117 703 0.3- 0.2+ 180117 H01 0.0 0.3- 180117 595 0.6- 0.2+
180117 703 0.1+ 0.1- 180117 703 0.2+ 0.0 180117 595 0.3+ 0.1+
180117 703 0.5+ 0.2- 180117 703 0.3- 0.8+ 180117 595 0.4- 0.0
180117 I52 0.1- 0.4- 180117 703 0.3- 0.8+ 180117 595 0.2+ 0.0
180117 I52 0.2+ 0.3- 180117 K63 0.3+ 0.2-
180117 I52 0.5- 0.2- 180117 K63 0.4- 0.5+
Ephemeris:
2018 BC a,e,i = 1.11, 0.11, 3 q = 0.9863
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2017 12 19 02 27 50.9 +66 06 32 0.03932 1.0082 127.1 51.1 24.2
...
2018 01 03 02 26 11.5 +68 27 28 0.02145 0.9941 119.6 59.3 23.1
...
2018 01 11 03 12 16.1 +71 14 20 0.01166 0.9892 118.9 60.5 21.8
...
2018 01 17 07 12 14.8 +68 44 12 0.0042860.9867 131.7 48.2 19.2
2018 01 18 08 33 33.2 +59 53 07 0.0031500.9863 140.3 39.6 18.3
2018 01 19 09 45 24.1 +38 20 24 0.0022190.9859 151.6 28.4 17.3
...
2018 01 25 14 39 14.6 -70 21 14 0.0070630.9822 71.1 108.5 22.6
...
2018 02 02 17 03 38.7 -72 28 23 0.01686 0.9784 64.9 114.2 24.8
...
2018 02 17 18 20 49.3 -70 14 10 0.03464 0.9752 67.2 110.9 26.2
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-B34
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