MPEC 2018-Y56 : 2018 YY
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M.P.E.C. 2018-Y56 Issued 2018 Dec. 21, 16:16 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 YY
Observations:
K18Y00Y C2018 12 13.59412810 31 26.148+00 02 23.83 20.6 GVEY056F51
K18Y00Y C2018 12 13.60710610 31 20.963-00 00 15.36 VEY056F51
K18Y00Y C2018 12 17.61632710 05 12.265-13 30 25.46 20.89GVEY056F51
K18Y00Y* C2018 12 17.61633 10 05 12.276-13 30 25.47 21.0 wUEY056F51
K18Y00Y C2018 12 17.62549 10 05 08.333-13 32 13.87 19.9 wUEY056F51
K18Y00Y C2018 12 17.62549210 05 08.377-13 32 12.66 20.16GVEY056F51
K18Y00Y C2018 12 17.63466 10 05 04.480-13 34 00.24 21.1 wUEY056F51
K18Y00Y C2018 12 17.63466410 05 04.477-13 34 00.25 20.76GVEY056F51
K18Y00Y C2018 12 17.64382710 05 00.592-13 35 47.25 20.80GVEY056F51
K18Y00Y C2018 12 17.64383 10 05 00.585-13 35 47.57 21.1 wUEY056F51
K18Y00Y KC2018 12 18.07207210 02 09.73 -14 59 02.0 20.7 GVEY056L01
K18Y00Y KC2018 12 18.07516210 02 08.46 -14 59 37.1 20.7 GVEY056L01
K18Y00Y IC2018 12 18.07825410 02 07.12 -15 00 12.5 20.8 GVEY056L01
K18Y00Y |C2018 12 20.34703 09 46 38.96 -21 56 59.1 20.4 GUEY056807
K18Y00Y |C2018 12 20.34986 09 46 37.72 -21 57 28.8 20.3 GUEY056807
K18Y00Y |C2018 12 20.35239 09 46 36.64 -21 57 55.6 20.3 GUEY056807
Observer details:
807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes.
1.00-m f/10.0 astrograph + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe,
E. Magnier, A. Schultz, M. Willman. Measurers S. Chastel, M. Huber,
Y. Ramanjooloo, R. Wainscoat, R. Weryk, K. Chambers, L. Denneau,
J. Fairlamb, H. Flewelling, C.-C. Lin, E. Magnier. 1.8-m
Ritchey-Chretien + CCD.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector
+ CCD.
Orbital elements:
2018 YY Earth MOID = 0.0376 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 132.47666 (2000.0) P Q
n 0.73718198 Peri. 133.00185 +0.63326571 -0.53893921
a 1.2136298 Node 267.83612 +0.44253802 +0.84094154
e 0.2028756 Incl. 33.76868 +0.63492885 -0.04859895
P 1.34 H 22.4 G 0.15 U 7
Residuals in seconds of arc
181213 F51 0.1- 0.0 181217 F51 0.2- 0.2+ 181218 L01 0.5- 0.5+
181213 F51 0.0 0.3- 181217 F51 0.2- 0.2+ 181220 807 0.3+ 0.0
181217 F51 0.1- 0.4+ 181217 F51 0.2- 0.4+ 181220 807 0.1+ 0.0
181217 F51 0.1+ 0.4+ 181217 F51 0.3- 0.1+ 181220 807 0.4+ 0.3-
181217 F51 0.7- 0.7- 181218 L01 0.3- 0.6-
181217 F51 0.1- 0.5+ 181218 L01 0.1+ 0.1+
Ephemeris:
2018 YY a,e,i = 1.21, 0.20, 34 q = 0.9674
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 11 21 12 28 02.6 +48 18 29 0.2793 0.9836 81.0 82.7 22.5
...
2018 12 06 11 16 15.5 +23 23 35 0.1798 1.0104 92.8 76.9 21.4
...
2018 12 14 10 28 50.9 -01 20 01 0.1574 1.0289 102.1 69.3 20.9
...
2018 12 20 09 49 02.2 -20 55 45 0.1662 1.0443 106.9 64.3 20.9
2018 12 21 09 42 08.7 -23 49 14 0.1697 1.0470 107.4 63.7 20.9
2018 12 22 09 35 12.3 -26 33 27 0.1738 1.0497 107.7 63.2 20.9
...
2018 12 28 08 53 13.9 -39 33 07 0.2066 1.0666 108.3 61.1 21.3
...
2019 01 05 08 00 06.6 -49 07 20 0.2646 1.0904 107.0 59.6 21.8
...
2019 01 20 06 46 37.6 -54 23 28 0.3869 1.1376 103.4 57.3 22.7
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-Y56
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