[Iaude] MPEC Y05: 2018 XY4 [a=1.66,e=0.44,i=2.7,H=25.8]
mpec at mpcdb1.cfa.harvard.edu
mpec at mpcdb1.cfa.harvard.edu
Sat Dec 15 23:33:16 EST 2018
M.P.E.C. 2018-Y05 Issued 2018 Dec. 16, 04:30 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 at CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2018 XY4
Observations:
K18X04Y* C2018 12 13.40092 03 55 11.405-00 14 28.77 21.6 wUEY005F51
K18X04Y C2018 12 13.41282 03 55 17.076-00 12 56.54 21.2 wUEY005F51
K18X04Y C2018 12 13.42469 03 55 22.742-00 11 24.64 21.1 wUEY005F51
K18X04Y C2018 12 14.18725 04 01 47.04 +01 22 49.8 21.8 GVEY005I52
K18X04Y C2018 12 14.18965 04 01 48.16 +01 23 06.5 20.9 GVEY005I52
K18X04Y C2018 12 14.19239 04 01 49.30 +01 23 27.5 22.0 GVEY005I52
K18X04Y C2018 12 14.19406 04 01 50.00 +01 23 37.2 21.2 GVEY005I52
K18X04Y ^C2018 12 14.36515604 03 09.563+01 44 11.89 22.15GVEY005568
K18X04Y ^C2018 12 14.36616104 03 09.995+01 44 18.99 21.97GVEY005568
K18X04Y KC2018 12 15.85003204 14 00.37 +04 24 41.5 21.8 GVEY005L01
K18X04Y KC2018 12 15.85110804 14 00.79 +04 24 48.3 21.6 GVEY005L01
K18X04Y KC2018 12 15.85477404 14 02.16 +04 25 10.0 21.5 GVEY005L01
K18X04Y KC2018 12 15.85520504 14 02.35 +04 25 12.7 21.5 GVEY005L01
Observer details:
568 Mauna Kea. Observers R. Wainscoat, C. Wipper, A. Petric. Measurers
R. Weryk, R. 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, J. Fairlamb,
H. Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo,
R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer H. Groeller.
Measurers B. M. Africano, E. J. Christensen, G. A. Farneth, D. C. Fuls,
A. R. Gibbs, A. D. Grauer, H. Groeller, R. A. Kowalski, S. M. Larson,
G. J. Leonard, R. L. Seaman, F. C. Shelly. 1.0-m reflector + CCD.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector
+ CCD.
Orbital elements:
2018 XY4 Earth MOID = 0.0347 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 82.24633 (2000.0) P Q
n 0.46217896 Peri. 274.05103 +0.89248666 -0.44896703
a 1.6567714 Node 112.63105 +0.43031302 +0.81848312
e 0.4410971 Incl. 2.70409 +0.13527113 +0.35848849
P 2.13 H 25.8 G 0.15 U 8
Residuals in seconds of arc
181213 F51 0.0 0.0 181214 I52 0.3- 1.0+ 181215 L01 0.1+ 0.3+
181213 F51 0.0 0.0 181214 I52 0.9- 1.3- 181215 L01 0.2- 0.1-
181213 F51 0.0 0.0 181214 568 0.3+ 0.1+ 181215 L01 0.2+ 0.0
181214 I52 0.0 0.1+ 181214 568 0.3+ 0.1+
181214 I52 0.8+ 0.4- 181215 L01 0.1- 0.0
Ephemeris:
2018 XY4 a,e,i = 1.66, 0.44, 3 q = 0.9260
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 11 16 20 09 38.2 -41 24 03 0.1137 0.9449 64.1 109.7 25.1
...
2018 12 01 00 20 35.5 -38 32 53 0.05692 0.9943 96.6 80.1 22.4
...
2018 12 09 03 06 30.7 -12 02 26 0.06288 1.0306 135.2 42.3 21.5
...
2018 12 15 04 07 58.3 +02 56 31 0.08637 1.0613 151.9 25.9 21.8
2018 12 16 04 14 59.1 +04 40 36 0.09120 1.0666 153.6 24.2 21.9
2018 12 17 04 21 21.6 +06 14 36 0.09621 1.0721 155.0 22.8 22.0
...
2018 12 23 04 49 55.9 +13 01 23 0.1295 1.1059 159.7 18.0 22.5
...
2018 12 31 05 13 12.5 +18 00 53 0.1803 1.1538 159.3 17.5 23.3
...
2019 01 15 05 40 10.9 +22 23 23 0.2937 1.2489 151.1 22.3 24.7
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-Y05
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