MPEC 2018-B62 : 2018 BL1
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M.P.E.C. 2018-B62 Issued 2018 Jan. 19, 22:57 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 BL1
Observations:
K18B01L* C2018 01 16.41583 09 32 37.984+12 21 18.07 21.9 wUEB062F51
K18B01L C2018 01 16.42769 09 32 38.999+12 21 23.12 21.9 wUEB062F51
K18B01L C2018 01 16.43953 09 32 40.011+12 21 28.19 22.4 wUEB062F51
K18B01L C2018 01 16.45136 09 32 41.002+12 21 33.26 22.1 wUEB062F51
K18B01L _C2018 01 17.44858809 34 18.872+12 28 43.88 21.8 GUEB062568
K18B01L _C2018 01 17.44953009 34 18.957+12 28 44.28 21.8 GUEB062568
K18B01L _C2018 01 17.45047309 34 19.043+12 28 44.78 21.7 GUEB062568
K18B01L KC2018 01 19.30834 09 37 39.15 +12 44 39.0 oEB062291
K18B01L KC2018 01 19.32567 09 37 40.94 +12 44 48.4 oEB062291
Observer details:
291 LPL/Spacewatch II. Observer T. H. Bressi. 1.8-m f/2.7 reflector + CCD.
568 Mauna Kea. Observers R. J. Wainscoat, L. Wells. Measurers M. Micheli,
R. J. Wainscoat. 3.6-m Canada-France-Hawaii Telescope + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, T. Lowe, A. Schultz,
M. Willman. Measurers K. Chambers, S. Chastel, L. Denneau, H. Flewelling,
M. Huber, E. Lilly, E. Magnier, R. Wainscoat, C. Waters, R. Weryk. 1.8-m
Ritchey-Chretien + CCD.
Orbital elements:
2018 BL1 Earth MOID = 0.0191 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5 MPC
M 304.10286 (2000.0) P Q
n 0.27650193 Peri. 91.78887 -0.78023859 +0.61926938
a 2.3334792 Node 126.48491 -0.60852078 -0.71902234
e 0.7080127 Incl. 6.27925 -0.14467274 -0.31545572
P 3.56 H 23.1 G 0.15 U 9
Residuals in seconds of arc
180116 F51 0.1- 0.1- 180116 F51 0.0 0.1+ 180117 568 0.0 0.0
180116 F51 0.0 0.1- 180117 568 0.0 0.0 180119 291 0.1+ 0.5+
180116 F51 0.1+ 0.0 180117 568 0.0 0.1- 180119 291 0.1- 0.4-
Ephemeris:
2018 BL1 a,e,i = 2.33, 0.71, 6 q = 0.6813
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2017 12 20 09 01 46.6 +12 10 10 0.7128 1.5628 133.5 27.2 24.6
...
2018 01 04 09 17 04.7 +11 45 33 0.4772 1.4015 145.1 23.7 23.3
...
2018 01 12 09 26 20.1 +11 59 07 0.3627 1.3130 151.2 21.1 22.5
...
2018 01 18 09 35 14.8 +12 33 10 0.2818 1.2459 155.5 19.1 21.8
2018 01 19 09 37 03.2 +12 41 54 0.2688 1.2346 156.2 18.8 21.7
2018 01 20 09 38 59.6 +12 51 47 0.2558 1.2233 156.8 18.5 21.5
...
2018 01 26 09 55 09.7 +14 25 23 0.1806 1.1556 159.7 17.2 20.6
...
2018 02 03 10 55 01.7 +20 12 46 0.08838 1.0656 153.8 24.1 19.1
...
2018 02 18 19 47 04.0 +02 16 42 0.1101 0.9028 37.0 138.8 24.8
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-B62
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