[Iaude] MPEC F125: 2018 FW4 [a=1.63,e=0.46,i=3.4,H=25.2]
mpec at mpcdb1.cfa.harvard.edu
mpec at mpcdb1.cfa.harvard.edu
Sat Mar 24 12:41:17 EDT 2018
M.P.E.C. 2018-F125 Issued 2018 Mar. 24, 16:36 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 FW4
Observations:
K18F04W* C2018 03 22.28572 12 30 09.44 -13 44 06.2 20.4 GUEF125G96
K18F04W C2018 03 22.29602 12 30 11.56 -13 44 22.9 21.2 GUEF125G96
K18F04W C2018 03 22.30117 12 30 12.66 -13 44 30.8 UEF125G96
K18F04W C2018 03 22.35323012 30 23.09 -13 45 53.1 20.4 GUEF125H01
K18F04W C2018 03 22.36061512 30 24.63 -13 46 04.4 20.2 GUEF125H01
K18F04W C2018 03 22.36800012 30 26.19 -13 46 15.6 20.4 GUEF125H01
K18F04W C2018 03 22.37538112 30 27.73 -13 46 26.9 20.7 GUEF125H01
K18F04W C2018 03 22.39856 12 30 32.88 -13 47 00.9 UEF125V06
K18F04W C2018 03 22.40007 12 30 33.24 -13 47 03.0 21.5 GUEF125V06
K18F04W |C2018 03 23.18546 12 33 57.82 -14 06 50.5 20.9 GUEF125807
K18F04W |C2018 03 23.18855 12 33 58.57 -14 06 55.9 20.7 GUEF125807
K18F04W |C2018 03 23.19208 12 33 59.38 -14 07 02.6 20.8 GUEF125807
K18F04W C2018 03 23.34348 12 34 39.51 -14 12 58.4 20.6 GUEF125V06
K18F04W C2018 03 23.34604 12 34 40.14 -14 13 02.9 20.7 GUEF125V06
K18F04W C2018 03 23.34859 12 34 40.76 -14 13 07.5 20.6 GUEF125V06
K18F04W C2018 03 23.35115 12 34 41.37 -14 13 11.9 UEF125V06
K18F04W C2018 03 24.42498 12 40 03.22 -14 46 24.7 UEF125I52
K18F04W C2018 03 24.42651 12 40 03.62 -14 46 27.9 21.4 GUEF125I52
K18F04W C2018 03 24.42727 12 40 03.86 -14 46 29.4 20.6 GUEF125I52
Observer details:
807 Cerro Tololo. Observers T. Linder, R. Holmes. 0.61-m f/6.5 astrograph
+ CCD.
G96 Mt. Lemmon Survey. Observer G. J. Leonard. Measurers B. M. Africano,
E. J. Christensen, D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson,
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 reflector + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer R. A. Kowalski.
Measurers B. M. Africano, E. J. Christensen, D. C. Fuls, A. R. Gibbs,
A. D. Grauer, J. A. Johnson, R. A. Kowalski, S. M. Larson, G. J. Leonard,
R. L. Seaman, F. C. Shelly. 1.0-m reflector + CCD.
V06 Catalina Sky Survey-Kuiper. Observer E. J. Christensen. Measurers
B. M. Africano, E. J. Christensen, D. C. Fuls, A. R. Gibbs, A. D. Grauer,
J. A. Johnson, R. A. Kowalski, S. M. Larson, G. J. Leonard, R. L. Seaman,
F. C. Shelly. 1.55-m reflector + CCD.
Orbital elements:
2018 FW4 Earth MOID = 0.0010 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 334.75726 (2000.0) P Q
n 0.47190553 Peri. 52.57937 -0.35350566 +0.93527251
a 1.6339271 Node 196.74401 -0.87609100 -0.33750359
e 0.4603678 Incl. 3.44147 -0.32786934 -0.10656766
P 2.09 H 25.2 G 0.15 U 7
Residuals in seconds of arc
180322 G96 0.0 0.4+ 180322 V06 0.3- 0.3- 180323 V06 0.2+ 0.1+
180322 G96 0.1- 0.1- 180322 V06 0.3+ 0.1- 180323 V06 0.1+ 0.1+
180322 G96 0.4+ 0.0 180323 807 0.2- 0.2+ 180324 I52 0.4+ 0.1+
180322 H01 0.1- 0.1- 180323 807 0.1+ 0.2+ 180324 I52 0.4- 0.2-
180322 H01 0.2- 0.1- 180323 807 0.2- 0.5- 180324 I52 0.2- 0.2-
180322 H01 0.0 0.0 180323 V06 0.1+ 0.4+
180322 H01 0.2- 0.1- 180323 V06 0.2+ 0.3+
Ephemeris:
2018 FW4 a,e,i = 1.63, 0.46, 3 q = 0.8817
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 02 22 11 49 06.2 -07 46 26 0.3252 1.2840 151.3 21.7 24.4
...
2018 03 09 12 02 28.1 -10 12 16 0.1960 1.1800 161.2 15.8 22.9
...
2018 03 17 12 14 48.5 -11 56 38 0.1353 1.1260 164.7 13.5 21.9
...
2018 03 23 12 33 06.8 -14 02 04 0.09312 1.0869 165.4 13.4 21.0
2018 03 24 12 37 51.4 -14 31 31 0.08636 1.0806 165.1 13.7 20.8
2018 03 25 12 43 24.4 -15 04 52 0.07969 1.0742 164.8 14.1 20.7
...
2018 03 31 13 53 57.1 -20 50 07 0.04255 1.0375 154.7 24.3 19.6
...
2018 04 08 20 24 40.1 -13 45 59 0.03169 0.9922 72.8 105.5 21.6
...
2018 04 23 22 58 11.3 +03 33 01 0.1235 0.9241 46.1 128.3 26.0
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-F125
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