MPEC 2018-X97 : 2018 XT2
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M.P.E.C. 2018-X97 Issued 2018 Dec. 12, 16:19 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 XT2
Observations:
K18X02T* C2018 12 10.35235 05 52 23.74 +23 24 03.4 19.9 GVEX097G96
K18X02T C2018 12 10.35768 05 52 23.69 +23 24 13.4 19.9 GVEX097G96
K18X02T C2018 12 10.36833 05 52 23.60 +23 24 33.0 19.9 GVEX097G96
K18X02T C2018 12 10.45371005 52 22.82 +23 27 06.9 19.4 GVEX097H01
K18X02T C2018 12 10.45762105 52 22.80 +23 27 14.0 19.6 GVEX097H01
K18X02T C2018 12 10.46757805 52 22.76 +23 27 32.0 19.4 GVEX097H01
K18X02T C2018 12 10.47565105 52 22.73 +23 27 46.5 19.5 GVEX097H01
K18X02T C2018 12 10.49963 05 52 22.70 +23 28 31.8 19.4 GVEX097I52
K18X02T C2018 12 10.50235 05 52 22.69 +23 28 36.2 19.8 GVEX097I52
K18X02T C2018 12 10.50389 05 52 22.68 +23 28 38.9 19.6 GVEX097I52
K18X02T C2018 12 10.50661 05 52 22.65 +23 28 43.5 19.8 GVEX097I52
K18X02T KC2018 12 11.00716905 52 26.47 +23 44 26.0 20.1 GVEX097L01
K18X02T KC2018 12 11.00911905 52 26.44 +23 44 29.9 19.8 GVEX097L01
K18X02T KC2018 12 11.01106605 52 26.42 +23 44 33.7 20.0 GVEX097L01
K18X02T KC2018 12 11.01261805 52 26.41 +23 44 36.5 20.0 GVEX097L01
K18X02T KC2018 12 11.27538 05 52 27.83 +23 53 03.9 20.2 GUEX097H36
K18X02T KC2018 12 11.29316 05 52 27.65 +23 53 38.1 19.6 GUEX097H36
K18X02T KC2018 12 11.31094 05 52 27.48 +23 54 12.5 19.7 GUEX097H36
K18X02T KC2018 12 12.00128305 52 29.80 +24 16 39.0 19.9 GVEX097C95
K18X02T KC2018 12 12.01128705 52 29.68 +24 16 59.1 19.8 GVEX097C95
K18X02T KC2018 12 12.33150 05 52 29.83 +24 27 40.1 19.3 GUEX097H36
K18X02T C2018 12 12.33414805 52 30.23 +24 27 49.0 19.5 GVEX097H01
K18X02T KC2018 12 12.33740 05 52 29.78 +24 27 51.7 19.3 GUEX097H36
K18X02T C2018 12 12.33798905 52 30.18 +24 27 56.6 19.4 GVEX097H01
K18X02T C2018 12 12.35433405 52 29.97 +24 28 29.2 19.4 GVEX097H01
K18X02T KC2018 12 12.35511 05 52 29.57 +24 28 27.2 19.6 GUEX097H36
K18X02T C2018 12 12.35846405 52 29.92 +24 28 37.5 19.4 GVEX097H01
Observer details:
C95 SATINO Remote Observatory, Haute Provence. Observer J. Jahn. 0.60-m
f/3.2 Newtonian reflector + CCD.
G96 Mt. Lemmon Survey. Observer D. C. Fuls. 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 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. 1.0-m reflector + CCD.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector
+ CCD.
Orbital elements:
2018 XT2 Earth MOID = 0.1284 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 35.39568 (2000.0) P Q
n 0.46186703 Peri. 57.88546 -0.73480713 -0.66705955
a 1.6575173 Node 79.95874 +0.57267805 -0.70719509
e 0.3555718 Incl. 7.16646 +0.36345335 -0.23432171
P 2.13 H 22.1 G 0.15 U 8
Residuals in seconds of arc
181210 G96 0.2- 0.1- 181210 I52 0.1+ 0.0 181212 C95 0.2+ 0.3+
181210 G96 0.1- 0.1+ 181210 I52 0.3- 0.3- 181212 C95 0.0 0.5+
181210 G96 0.0 0.1+ 181211 L01 0.2+ 0.3- 181212 H36 0.1- 0.1-
181210 H01 0.1- 0.1- 181211 L01 0.0 0.1- 181212 H01 0.0 0.1-
181210 H01 0.1- 0.1- 181211 L01 0.0 0.1+ 181212 H36 0.1+ 0.2-
181210 H01 0.0 0.0 181211 L01 0.0 0.1- 181212 H01 0.0 0.2-
181210 H01 0.1+ 0.1- 181211 H36 0.1- 0.1- 181212 H01 0.1- 0.2-
181210 I52 0.2+ 0.6+ 181211 H36 0.1- 0.2- 181212 H36 0.1- 0.3+
181210 I52 0.1+ 0.1+ 181211 H36 0.1+ 0.1+ 181212 H01 0.0 0.1-
Ephemeris:
2018 XT2 a,e,i = 1.66, 0.36, 7 q = 1.0682
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 11 12 05 38 52.9 +15 14 28 0.4196 1.3509 143.6 25.7 22.0
...
2018 11 27 05 48 56.6 +18 11 23 0.3110 1.2780 156.5 17.9 21.0
...
2018 12 05 05 51 38.0 +20 55 58 0.2634 1.2411 164.3 12.4 20.4
...
2018 12 11 05 52 26.7 +23 44 25 0.2327 1.2148 170.3 7.8 19.9
2018 12 12 05 52 29.7 +24 16 47 0.2281 1.2106 171.3 7.1 19.8
2018 12 13 05 52 31.5 +24 50 28 0.2235 1.2063 172.2 6.3 19.7
...
2018 12 19 05 52 23.4 +28 41 00 0.1988 1.1819 174.5 4.6 19.4
...
2018 12 27 05 52 01.0 +35 06 13 0.1726 1.1521 166.6 11.4 19.3
...
2019 01 11 05 57 34.5 +50 15 34 0.1439 1.1064 146.6 29.3 19.4
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-X97
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