[Iaude] MPEC F111: 2018 FJ4 [a=1.49,e=0.40,i=1.3,H=20.8,PHA]
mpec at mpcdb1.cfa.harvard.edu
mpec at mpcdb1.cfa.harvard.edu
Fri Mar 23 10:27:21 EDT 2018
M.P.E.C. 2018-F111 Issued 2018 Mar. 23, 14:22 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 FJ4
Observations:
K18F04J* C2018 03 18.41044 12 44 57.439-06 55 53.64 21.9 wUEF111F51
K18F04J C2018 03 18.42227 12 44 56.384-06 55 47.74 21.5 wUEF111F51
K18F04J C2018 03 18.43413 12 44 55.387-06 55 41.38 21.8 wUEF111F51
K18F04J C2018 03 18.44599 12 44 54.331-06 55 35.32 22.3 wUEF111F51
K18F04J |C2018 03 19.25356 12 43 46.81 -06 48 19.0 21.7 GUEF111807
K18F04J |C2018 03 19.25924 12 43 46.30 -06 48 15.8 21.9 GUEF111807
K18F04J |C2018 03 19.26575 12 43 45.73 -06 48 12.4 21.8 GUEF111807
K18F04J KC2018 03 21.38588 12 40 40.20 -06 28 41.1 21.9 RoEF111291
K18F04J KC2018 03 21.39079 12 40 39.75 -06 28 37.3 21.3 RoEF111291
K18F04J KC2018 03 21.39569 12 40 39.28 -06 28 35.2 oEF111291
K18F04J |C2018 03 23.18644 12 37 53.76 -06 10 27.5 21.2 VuEF111807
K18F04J |C2018 03 23.19230 12 37 53.18 -06 10 23.8 21.2 VuEF111807
K18F04J |C2018 03 23.19853 12 37 52.57 -06 10 19.9 21.2 VuEF111807
Observer details:
291 LPL/Spacewatch II. Observer A. F. Tubbiolo. 1.8-m f/2.7 reflector + CCD.
807 Cerro Tololo. Observers T. Linder, R. Holmes. 0.61-m f/6.5 astrograph
+ CCD, 1.00-m f/10.0 astrograph + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, T. Lowe, A. Schultz,
M. Willman. Measurers K. Chambers, S. Chastel, L. Denneau, H. Flewelling,
M. Huber, E. Magnier, Y. Ramanjooloo, R. Wainscoat, C. Waters, R. Weryk.
1.8-m Ritchey-Chretien + CCD.
Orbital elements:
2018 FJ4 PHA, Earth MOID = 0.0129 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 276.41726 (2000.0) P Q
n 0.53931296 Peri. 89.48648 +0.68267125 +0.73056807
a 1.4947738 Node 223.57935 -0.67887896 +0.62641483
e 0.4015881 Incl. 1.26130 -0.27033927 +0.27179909
P 1.83 H 20.8 G 0.15 U 9
Residuals in seconds of arc
180318 F51 0.1+ 0.0 180319 807 0.2+ 0.1+ 180323 807 0.1- 0.1-
180318 F51 0.3- 0.2- 180319 807 0.3+ 0.0 180323 807 0.0 0.0
180318 F51 0.2+ 0.1+ 180321 291 0.2- 0.4- 180323 807 0.2+ 0.0
180318 F51 0.1- 0.0 180321 291 0.0 0.6+
180319 807 0.2+ 0.0 180321 291 0.0 0.2-
Ephemeris:
2018 FJ4 a,e,i = 1.49, 0.40, 1 q = 0.8945
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 02 21 13 03 27.4 -08 41 09 0.9578 1.7926 134.1 23.3 23.1
...
2018 03 08 12 56 27.8 -08 05 38 0.7920 1.7281 150.9 16.2 22.4
...
2018 03 16 12 48 06.6 -07 15 32 0.7192 1.6912 161.1 11.0 21.9
...
2018 03 22 12 39 44.5 -06 22 32 0.6732 1.6624 169.3 6.4 21.5
2018 03 23 12 38 11.3 -06 12 28 0.6663 1.6575 170.7 5.6 21.5
2018 03 24 12 36 35.6 -06 02 04 0.6596 1.6526 172.0 4.8 21.4
...
2018 03 30 12 26 16.1 -04 53 10 0.6243 1.6226 177.9 1.3 21.0
...
2018 04 07 12 11 08.3 -03 08 07 0.5900 1.5811 166.8 8.3 21.2
...
2018 04 22 11 43 36.3 +00 14 57 0.5624 1.4991 144.5 22.9 21.5
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-F111
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