MPEC 2018-B60 : 2018 BJ1
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M.P.E.C. 2018-B60 Issued 2018 Jan. 19, 22:49 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 BJ1
Observations:
K18B01J* C2018 01 16.41174 09 07 57.051+12 54 15.14 21.7 wUEB060F51
K18B01J C2018 01 16.42360 09 07 51.800+12 54 37.67 21.9 wUEB060F51
K18B01J C2018 01 16.43543 09 07 46.519+12 55 00.26 22.1 wUEB060F51
K18B01J C2018 01 16.44730 09 07 41.235+12 55 22.61 21.9 wUEB060F51
K18B01J _C2018 01 17.44176409 01 09.347+13 24 02.11 21.8 GUEB060568
K18B01J _C2018 01 17.44270809 01 08.976+13 24 03.62 21.6 GUEB060568
K18B01J _C2018 01 17.44365209 01 08.603+13 24 05.16 21.7 GUEB060568
K18B01J C2018 01 19.22233508 51 15.51 +14 06 09.8 21.8 GUEB060H01
K18B01J C2018 01 19.22612508 51 14.32 +14 06 14.8 21.5 GUEB060H01
K18B01J C2018 01 19.23645508 51 11.04 +14 06 28.3 21.9 GUEB060H01
K18B01J C2018 01 19.24580108 51 08.08 +14 06 40.6 21.0 GUEB060H01
Observer details:
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.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 reflector + CCD.
Orbital elements:
2018 BJ1 Earth MOID = 0.0012 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5 MPC
M 330.51957 (2000.0) P Q
n 0.38274354 Peri. 103.13283 +0.88613918 -0.46253418
a 1.8787290 Node 284.42414 +0.41290764 +0.81608904
e 0.6442643 Incl. 1.69382 +0.21039161 +0.34649793
P 2.58 H 25.1 G 0.15 U 6
Residuals in seconds of arc
180116 F51 0.4- 0.0 180117 568 0.0 0.0 180119 H01 0.0 0.0
180116 F51 0.0 0.0 180117 568 0.0 0.0 180119 H01 0.1- 0.0
180116 F51 0.2- 0.1+ 180117 568 0.0 0.0 180119 H01 0.0 0.1+
180116 F51 0.3- 0.1+ 180119 H01 0.1- 0.0
Ephemeris:
2018 BJ1 a,e,i = 1.88, 0.64, 2 q = 0.6683
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2017 12 20 18 11 14.8 -20 43 33 0.1559 0.8288 5.3 173.7
...
2018 01 04 13 18 58.2 -09 26 34 0.05267 0.9769 81.5 95.4 22.1
...
2018 01 12 09 50 25.4 +09 33 31 0.09291 1.0608 144.8 32.3 21.4
...
2018 01 18 08 57 48.6 +13 38 32 0.1451 1.1242 164.2 13.8 22.0
2018 01 19 08 52 21.4 +14 01 45 0.1545 1.1348 166.6 11.6 22.0
2018 01 20 08 47 29.3 +14 22 10 0.1640 1.1453 168.7 9.7 22.1
...
2018 01 26 08 26 50.7 +15 46 10 0.2241 1.2084 176.7 2.7 22.6
...
2018 02 03 08 12 29.6 +16 44 59 0.3116 1.2914 167.4 9.6 23.8
...
2018 02 18 08 04 03.9 +17 31 23 0.4981 1.4423 150.3 19.8 25.4
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-B60
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