MPEC 2018-Y38 : 2018 YL
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M.P.E.C. 2018-Y38 Issued 2018 Dec. 19, 12:38 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 YL
Observations:
K18Y00L* C2018 12 16.62078 09 06 35.981+31 17 30.45 21.3 wUEY038F51
K18Y00L C2018 12 16.62903 09 06 40.504+31 17 55.18 21.1 wUEY038F51
K18Y00L C2018 12 16.63723 09 06 44.950+31 18 19.77 21.0 wUEY038F51
K18Y00L C2018 12 16.64539 09 06 49.434+31 18 44.31 20.9 wUEY038F51
K18Y00L KC2018 12 17.37985 09 13 50.68 +31 55 26.2 20.7 GUEY038H36
K18Y00L KC2018 12 17.38913 09 13 55.87 +31 55 54.3 20.6 GUEY038H36
K18Y00L KC2018 12 17.40770 09 14 06.21 +31 56 49.6 20.7 GUEY038H36
K18Y00L ^C2018 12 17.51683509 15 10.580+32 02 27.46 20.40GVEY038568
K18Y00L ^C2018 12 17.51801809 15 11.242+32 02 31.03 20.44GVEY038568
K18Y00L ^C2018 12 17.51946609 15 12.057+32 02 35.41 20.40GVEY038568
K18Y00L IC2018 12 18.14516609 21 16.53 +32 32 56.6 20.7 GVEY038L01
K18Y00L KC2018 12 18.14862209 21 18.48 +32 33 07.1 20.8 GVEY038L01
K18Y00L pC2018 12 18.15529809 21 22.36 +32 33 25.7 21.0 GVEY038L01
K18Y00L pC2018 12 18.15681109 21 23.23 +32 33 30.3 21.0 GVEY038L01
K18Y00L KC2018 12 18.41724509 23 57.97 +32 46 08.5 20.4 VuEY038H21
K18Y00L KC2018 12 18.42490209 24 02.40 +32 46 30.4 20.5 VuEY038H21
K18Y00L KC2018 12 18.43308209 24 07.11 +32 46 53.9 20.7 VuEY038H21
K18Y00L C2018 12 19.33701 09 33 14.67 +33 29 24.4 21.1 GVEY038I52
K18Y00L C2018 12 19.33826 09 33 15.34 +33 29 27.3 20.3 GVEY038I52
K18Y00L C2018 12 19.33951 09 33 16.10 +33 29 31.5 19.8 GVEY038I52
K18Y00L C2018 12 19.34076 09 33 16.83 +33 29 34.7 20.6 GVEY038I52
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.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes. 0.61-m f/4.5
astrograph + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer B. M. Africano.
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 YL Earth MOID = 0.1375 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 21.61549 (2000.0) P Q
n 0.20941415 Peri. 42.21913 -0.52105579 -0.82638784
a 2.8084414 Node 80.24576 +0.71371262 -0.55904011
e 0.6204301 Incl. 12.51152 +0.46809739 -0.06750772
P 4.71 H 22.5 G 0.15 U 6
Residuals in seconds of arc
181216 F51 0.3- 0.0 181217 568 0.1- 0.1- 181218 H21 0.1+ 0.1-
181216 F51 0.1+ 0.1- 181217 568 0.2- 0.1- 181218 H21 0.1+ 0.1-
181216 F51 0.1- 0.1- 181217 568 0.1- 0.1- 181218 H21 0.1- 0.1+
181216 F51 0.3+ 0.1+ 181218 L01 0.1+ 0.1- 181219 I52 0.8+ 0.2+
181217 H36 0.8+ 0.1+ 181218 L01 0.4- 0.5+ 181219 I52 0.1- 0.5-
181217 H36 0.7+ 0.3+ 181218 L01 0.1+ 0.2- 181219 I52 0.1+ 0.1+
181217 H36 0.2- 0.0 181218 L01 0.1+ 0.1+ 181219 I52 0.1- 0.2-
Ephemeris:
2018 YL a,e,i = 2.81, 0.62, 13 q = 1.0660
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 11 19 06 28 58.2 +12 49 23 0.3632 1.2818 138.1 31.0 22.2
...
2018 12 04 07 32 50.8 +20 46 13 0.2514 1.1890 139.9 32.3 21.2
...
2018 12 12 08 26 34.9 +27 16 02 0.2117 1.1478 136.7 36.1 20.9
...
2018 12 18 09 19 51.0 +32 26 01 0.1938 1.1216 131.4 41.1 20.8
2018 12 19 09 29 47.4 +33 13 49 0.1919 1.1177 130.3 42.2 20.8
2018 12 20 09 39 59.2 +33 59 29 0.1903 1.1139 129.2 43.2 20.8
...
2018 12 26 10 44 36.2 +37 31 14 0.1874 1.0939 121.8 49.8 20.9
...
2019 01 03 12 07 25.7 +38 56 28 0.1986 1.0753 112.6 57.6 21.2
...
2019 01 18 13 50 49.4 +35 53 32 0.2460 1.0674 103.3 63.8 21.9
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-Y38
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