MPEC 2018-Y21 : 2018 XM5
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M.P.E.C. 2018-Y21 Issued 2018 Dec. 17, 15:19 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 XM5
Observations:
K18X05M* C2018 12 14.26974 04 45 38.87 -01 50 24.7 20.4 GVEY021G96
K18X05M C2018 12 14.27581 04 45 35.10 -01 50 03.9 20.0 GVEY021G96
K18X05M C2018 12 14.28187 04 45 31.49 -01 49 44.5 19.5 GVEY021G96
K18X05M C2018 12 14.28798 04 45 27.70 -01 49 23.6 20.1 GVEY021G96
K18X05M C2018 12 14.38594304 44 27.71 -01 43 55.8 20.4 GVEY021H01
K18X05M C2018 12 14.39248504 44 23.76 -01 43 33.9 20.1 GVEY021H01
K18X05M C2018 12 14.40037004 44 19.01 -01 43 07.3 20.2 GVEY021H01
K18X05M C2018 12 14.40712504 44 14.94 -01 42 44.4 19.8 GVEY021H01
K18X05M C2018 12 14.42873 04 44 02.08 -01 41 29.6 20.1 GVEY021I52
K18X05M C2018 12 14.42915 04 44 01.85 -01 41 28.7 19.8 GVEY021I52
K18X05M C2018 12 14.42956 04 44 01.58 -01 41 27.1 20.0 GVEY021I52
K18X05M C2018 12 14.42998 04 44 01.32 -01 41 26.2 20.9 GVEY021I52
K18X05M C2018 12 14.70574 04 41 21.33 -01 25 54.6 20.2 RrEY021P93
K18X05M C2018 12 14.71315 04 41 16.91 -01 25 28.9 20.2 RrEY021P93
K18X05M C2018 12 14.71684 04 41 14.57 -01 25 15.7 20.4 RrEY021P93
K18X05M pC2018 12 14.95658904 38 56.57 -01 11 44.1 20.5 GVEY021L01
K18X05M KC2018 12 14.95918004 38 54.92 -01 11 35.0 20.6 GVEY021L01
K18X05M KC2018 12 14.96090604 38 53.86 -01 11 29.5 20.5 GVEY021L01
K18X05M HC2018 12 15.01503 04 38 21.04 -01 08 22.5 20.5 GVEY021204
K18X05M HC2018 12 15.02713 04 38 13.61 -01 07 41.3 VEY021204
K18X05M KC2018 12 15.20045 04 36 34.35 -00 57 30.3 20.1 GUEY021734
K18X05M KC2018 12 15.20712 04 36 30.17 -00 57 06.3 20.4 GUEY021734
K18X05M KC2018 12 15.21379 04 36 26.06 -00 56 43.2 20.6 GUEY021734
K18X05M C2018 12 15.24726 04 36 06.58 -00 54 38.5 20.7 GVEY021I52
K18X05M C2018 12 15.24893 04 36 05.57 -00 54 32.9 20.4 GVEY021I52
K18X05M C2018 12 15.25059 04 36 04.53 -00 54 27.0 20.8 GVEY021I52
K18X05M C2018 12 15.25226 04 36 03.45 -00 54 21.2 20.9 GVEY021I52
K18X05M C2018 12 16.24875 04 26 09.21 +00 04 50.2 20.9 GVEY021G96
K18X05M C2018 12 16.24916 04 26 08.88 +00 04 52.0 20.8 GVEY021G96
K18X05M C2018 12 16.24957 04 26 08.67 +00 04 54.2 21.2 GVEY021G96
K18X05M C2018 12 16.24997 04 26 08.38 +00 04 55.4 VEY021G96
K18X05M C2018 12 16.39376 04 24 37.77 +00 13 37.6 20.0 GVEY021I52
K18X05M C2018 12 16.39542 04 24 36.75 +00 13 43.9 19.8 GVEY021I52
K18X05M C2018 12 16.39708 04 24 35.69 +00 13 49.7 19.2 GVEY021I52
K18X05M C2018 12 16.39874 04 24 34.62 +00 13 55.8 20.0 GVEY021I52
K18X05M KC2018 12 17.13554 04 17 15.92 +00 59 03.6 20.8 GUEY021H36
K18X05M KC2018 12 17.15039 04 17 06.47 +00 59 58.1 20.7 GUEY021H36
K18X05M KC2018 12 17.16525 04 16 57.05 +01 00 54.2 20.5 GUEY021H36
K18X05M KC2018 12 17.18010 04 16 47.66 +01 01 49.6 20.5 GUEY021H36
Observer details:
204 Schiaparelli Observatory. Observer L. Buzzi. 0.84-m f/3.5 reflector +
CCD.
734 Farpoint Observatory, Eskridge. Observer G. Hug. 0.7-m reflector + CCD.
G96 Mt. Lemmon Survey. Observers A. R. Gibbs, G. J. Leonard. 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. 1.5-m reflector + 10K CCD.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 Ritchey-Chretien + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + 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.
P93 Space Tracking and Communications Center, JAXA. Observers S. Okumura,
T. Fujiwara. 1.0-m f/3.0 reflector + CCD.
Orbital elements:
2018 XM5 Earth MOID = 0.0346 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 19.57974 (2000.0) P Q
n 1.29081114 Peri. 152.68004 -0.40807396 +0.89568122
a 0.8353996 Node 92.78135 -0.86659531 -0.31913135
e 0.3032510 Incl. 10.19104 -0.28720759 -0.30969394
P 0.76 H 24.4 G 0.15 U 8
Residuals in seconds of arc
181214 G96 0.2+ 0.0 181214 P93 0.8+ 1.3- 181215 I52 0.1- 0.0
181214 G96 0.7- 0.5+ 181214 P93 0.6- 0.7- 181216 G96 0.7+ 0.6-
181214 G96 0.9+ 0.4- 181214 L01 0.7+ 0.3+ 181216 G96 0.3- 0.3-
181214 G96 0.1+ 0.1+ 181214 L01 0.1- 0.4+ 181216 G96 0.4+ 0.4+
181214 H01 0.2- 0.4+ 181214 L01 0.1- 0.0 181216 G96 0.1- 0.2+
181214 H01 0.2- 0.3+ 181215 204 0.5+ 0.4+ 181216 I52 0.0 0.3-
181214 H01 0.1- 0.2+ 181215 204 0.2+ 0.4- 181216 I52 0.2+ 0.1-
181214 H01 0.2- 0.3+ 181215 734 0.5- 0.1+ 181216 I52 0.1- 0.3-
181214 I52 0.1- 0.2+ 181215 734 1.1- 0.8+ 181216 I52 0.7- 0.3-
181214 I52 0.3+ 0.3- 181215 734 0.6- 0.6+ 181217 H36 0.0 0.4+
181214 I52 0.1- 0.1- 181215 I52 0.0 0.2+ 181217 H36 0.5- 0.4-
181214 I52 0.2- 0.6- 181215 I52 0.5+ 0.1- 181217 H36 0.2- 0.3+
181214 P93 (0.6- 1.6-) 181215 I52 0.5+ 0.0 181217 H36 0.7+ 0.3+
Ephemeris:
2018 XM5 a,e,i = 0.84, 0.30, 10 q = 0.5821
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 11 17 07 11 21.5 -10 58 19 0.1863 1.0871 117.4 53.9 22.9
...
2018 12 02 06 20 01.9 -09 17 28 0.1281 1.0859 139.0 36.6 21.6
...
2018 12 10 05 24 27.4 -05 19 58 0.1050 1.0783 151.5 25.9 20.8
...
2018 12 16 04 28 38.5 -00 09 21 0.09553 1.0694 151.9 25.7 20.6
2018 12 17 04 18 36.4 +00 51 33 0.09477 1.0676 150.6 26.9 20.6
2018 12 18 04 08 29.1 +01 54 06 0.09427 1.0658 148.9 28.5 20.7
...
2018 12 24 03 08 46.8 +08 16 28 0.09629 1.0533 134.5 41.7 21.1
...
2019 01 01 02 02 12.0 +15 22 28 0.1099 1.0325 113.7 60.7 21.8
...
2019 01 16 00 45 16.1 +23 00 44 0.1499 0.9808 84.5 86.7 23.3
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-Y21
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