[Iaude] MPEC X134: 2018 XT4 [a=1.54,e=0.35,i=3.7,H=26.5]
mpec at mpcdb1.cfa.harvard.edu
mpec at mpcdb1.cfa.harvard.edu
Sat Dec 15 13:23:16 EST 2018
M.P.E.C. 2018-X134 Issued 2018 Dec. 15, 18:18 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 XT4
Observations:
K18X04T* C2018 12 14.41655 08 33 58.51 -00 26 19.8 21.2 GVEX134G96
K18X04T C2018 12 14.42216 08 34 03.67 -00 25 55.2 20.5 GVEX134G96
K18X04T C2018 12 14.42777 08 34 08.74 -00 25 31.3 20.5 GVEX134G96
K18X04T C2018 12 14.43339 08 34 13.94 -00 25 06.5 21.2 GVEX134G96
K18X04T C2018 12 14.45637408 34 34.22 -00 23 31.2 21.1 GVEX134H01
K18X04T C2018 12 14.45983708 34 37.39 -00 23 16.1 20.4 GVEX134H01
K18X04T C2018 12 14.47039308 34 47.09 -00 22 30.1 20.8 GVEX134H01
K18X04T C2018 12 14.47791008 34 54.01 -00 21 57.2 20.8 GVEX134H01
K18X04T C2018 12 14.48826 08 35 04.22 -00 21 06.6 20.9 GVEX134I52
K18X04T C2018 12 14.49066 08 35 06.43 -00 20 56.7 20.8 GVEX134I52
K18X04T C2018 12 14.49548 08 35 10.86 -00 20 35.7 21.5 GVEX134I52
K18X04T C2018 12 14.53732 08 35 49.52 -00 17 33.4 21.2 GVEX134I52
K18X04T C2018 12 14.53973 08 35 51.75 -00 17 23.1 20.9 GVEX134I52
K18X04T C2018 12 14.54214 08 35 54.01 -00 17 12.9 21.4 GVEX134I52
K18X04T HC2018 12 15.10032 08 45 12.20 +00 22 26.2 VEX134204
K18X04T HC2018 12 15.12192 08 45 31.81 +00 23 58.6 21 GVEX134204
K18X04T C2018 12 15.41096 08 50 15.20 +00 45 19.9 VEX134G96
K18X04T C2018 12 15.41171 08 50 15.80 +00 45 23.8 VEX134G96
K18X04T C2018 12 15.41246 08 50 16.41 +00 45 27.8 21.3 GVEX134G96
Observer details:
204 Schiaparelli Observatory. Observer L. Buzzi. 0.84-m f/3.5 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.
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.
Orbital elements:
2018 XT4 Earth MOID = 0.0219 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 64.84151 (2000.0) P Q
n 0.51649161 Peri. 358.34111 -0.04774232 -0.99683536
a 1.5384871 Node 94.39200 +0.91716835 -0.06895275
e 0.3466815 Incl. 3.65495 +0.39562973 +0.03955732
P 1.91 H 26.5 G 0.15 U 6
Residuals in seconds of arc
181214 G96 0.1+ 0.1- 181214 H01 0.0 0.0 181215 204 0.2- 0.1+
181214 G96 0.4+ 0.0 181214 I52 0.1- 0.2+ 181215 204 0.1- 0.5-
181214 G96 0.7- 0.6- 181214 I52 0.0 0.3- 181215 G96 0.9+ 1.0-
181214 G96 0.1+ 0.3- 181214 I52 0.0 0.4- 181215 G96 0.0 0.3-
181214 H01 0.1+ 0.1- 181214 I52 0.0 0.6- 181215 G96 0.8- 0.5+
181214 H01 0.1- 0.1- 181214 I52 0.1- 0.8-
181214 H01 0.1- 0.1- 181214 I52 0.1+ 1.1-
Ephemeris:
2018 XT4 a,e,i = 1.54, 0.35, 4 q = 1.0051
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 11 15 03 37 44.4 -10 49 29 0.09376 1.0718 150.5 27.0 22.7
...
2018 11 30 05 02 00.9 -11 34 37 0.05258 1.0301 145.5 32.9 21.5
...
2018 12 08 06 44 41.7 -07 32 49 0.03934 1.0156 140.0 38.6 21.1
...
2018 12 14 08 26 57.8 -00 54 38 0.03761 1.0087 129.4 49.0 21.2
2018 12 15 08 43 32.9 +00 17 54 0.03812 1.0079 127.4 50.9 21.3
2018 12 16 08 59 31.6 +01 28 46 0.03885 1.0072 125.4 52.8 21.4
...
2018 12 22 10 18 20.2 +07 20 36 0.04678 1.0051 116.0 61.6 22.1
...
2018 12 30 11 21 05.1 +11 52 22 0.06275 1.0079 111.4 65.3 22.8
...
2019 01 14 12 09 57.7 +16 05 50 0.09673 1.0302 116.4 58.7 23.6
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-X134
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