MPEC 2018-Y45 : 2018 XT6
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M.P.E.C. 2018-Y45 Issued 2018 Dec. 20, 16:46 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 XT6
Observations:
K18X06T C2018 11 14.55829 08 31 59.220+26 20 33.42 22.1 GVEY045F52
K18X06T C2018 11 14.57146 08 31 59.470+26 20 24.06 VEY045F52
K18X06T C2018 11 14.58454 08 31 59.762+26 20 14.05 22.3 GVEY045F52
K18X06T C2018 11 14.59771 08 32 00.062+26 20 04.44 22.6 GVEY045F52
K18X06T* C2018 12 12.61168 08 16 46.811+21 33 14.45 21.8 wUEY045F51
K18X06T C2018 12 12.63308 08 16 44.772+21 33 04.15 22.4 wUEY045F51
K18X06T C2018 12 12.64377 08 16 43.770+21 32 58.83 22.3 wUEY045F51
K18X06T C2018 12 14.35344 08 14 05.27 +21 19 11.2 22.6 GVEY045V06
K18X06T C2018 12 14.35673 08 14 04.91 +21 19 09.3 21.9 GVEY045V06
K18X06T C2018 12 14.36002 08 14 04.59 +21 19 08.0 22.2 GVEY045V06
K18X06T KC2018 12 14.45981 08 13 54.33 +21 18 20.9 21.9 RoEY045291
K18X06T KC2018 12 14.47256 08 13 53.03 +21 18 14.6 22.1 RoEY045291
K18X06T ^C2018 12 17.49909308 08 47.626+20 54 51.44 21.99GVEY045568
K18X06T ^C2018 12 17.50028408 08 47.495+20 54 50.92 21.90GVEY045568
K18X06T ^C2018 12 17.50146508 08 47.361+20 54 50.39 21.95GVEY045568
Observer details:
291 LPL/Spacewatch II. Observer M. T. Read. 1.8-m f/2.7 reflector + CCD.
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.
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, K. Chambers, T. Dukes,
T. Lowe, E. Magnier, A. Schultz, M. Willman. Measurers S. Chastel,
M. Huber, Y. Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien
+ CCD.
V06 Catalina Sky Survey-Kuiper. 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. 1.55-m reflector + CCD.
Orbital elements:
2018 XT6 Earth MOID = 0.1460 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 97.32578 (2000.0) P Q
n 0.42041598 Peri. 91.49748 +0.97436253 -0.18290500
a 1.7647502 Node 279.05483 +0.11399347 +0.90337811
e 0.4030735 Incl. 7.62347 +0.19396686 +0.38788368
P 2.34 H 21.7 G 0.15 U 5
Residuals in seconds of arc
181114 F52 0.0 0.1+ 181212 F51 0.0 0.1+ 181214 291 0.3- 0.2+
181114 F52 0.3- 0.3+ 181212 F51 0.5+ 0.2+ 181214 291 0.1- 0.1+
181114 F52 0.1- 0.2- 181214 V06 0.2+ 0.3+ 181217 568 0.0 0.1-
181114 F52 0.3+ 0.1- 181214 V06 0.1- 0.0 181217 568 0.1+ 0.1-
181212 F51 0.4- 0.4- 181214 V06 0.1+ 0.2+ 181217 568 0.1+ 0.1-
Ephemeris:
2018 XT6 a,e,i = 1.76, 0.40, 8 q = 1.0534
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 11 20 08 33 25.9 +25 15 05 0.5297 1.2896 112.8 44.9 22.6
...
2018 12 05 08 26 25.3 +22 39 11 0.5178 1.3717 129.0 33.9 22.4
...
2018 12 13 08 16 12.0 +21 30 06 0.5170 1.4168 139.2 27.0 22.2
...
2018 12 19 08 06 06.3 +20 43 37 0.5214 1.4509 147.5 21.4 22.1
2018 12 20 08 04 15.9 +20 36 16 0.5227 1.4566 148.9 20.4 22.1
2018 12 21 08 02 23.2 +20 29 00 0.5241 1.4623 150.3 19.5 22.1
...
2018 12 27 07 50 32.2 +19 47 36 0.5363 1.4965 159.0 13.6 22.0
...
2019 01 04 07 34 10.7 +18 57 56 0.5637 1.5420 170.5 6.1 21.9
...
2019 01 19 07 07 43.5 +17 43 40 0.6527 1.6263 166.9 7.9 22.4
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-Y45
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