MPEC 2018-F126: 2018 FX4
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M.P.E.C. 2018-F126 Issued 2018 Mar. 24, 16:40 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 FX4
Observations:
K18F04X* C2018 03 22.33588 12 58 32.83 +00 35 28.4 18.3 GUEF126703
K18F04X C2018 03 22.34111 12 58 20.56 +00 35 30.6 18.7 GUEF126703
K18F04X C2018 03 22.34633 12 58 08.37 +00 35 32.6 18.4 GUEF126703
K18F04X C2018 03 22.35156 12 57 56.17 +00 35 34.8 17.9 GUEF126703
K18F04X C2018 03 22.38473012 56 38.91 +00 35 42.4 18.2 GUEF126H01
K18F04X C2018 03 22.39181112 56 22.94 +00 35 45.4 18.4 GUEF126H01
K18F04X C2018 03 22.39889612 56 07.07 +00 35 48.5 18.6 GUEF126H01
K18F04X C2018 03 22.40767012 55 47.55 +00 35 52.1 18.6 GUEF126H01
K18F04X C2018 03 22.42406 12 55 12.24 +00 36 05.8 18.2 GUEF126V06
K18F04X C2018 03 22.42434 12 55 11.65 +00 36 06.0 18.5 GUEF126V06
K18F04X C2018 03 22.42461 12 55 11.05 +00 36 06.1 18.4 GUEF126V06
K18F04X C2018 03 22.42489 12 55 10.46 +00 36 06.3 18.4 GUEF126V06
K18F04X KC2018 03 22.94674 12 40 20.33 +00 38 15.2 qEF126595
K18F04X KC2018 03 22.95272 12 40 11.33 +00 38 17.3 qEF126595
K18F04X KC2018 03 22.95871 12 40 02.49 +00 38 19.5 18.6 VqEF126595
K18F04X HC2018 03 22.96719 12 39 50.79 +00 38 22.3 UEF126204
K18F04X KC2018 03 22.97624 12 39 37.53 +00 38 24.3 19 GUEF126204
K18F04X KC2018 03 22.99581 12 39 09.68 +00 38 35.9 18.8 VqEF126C95
K18F04X KC2018 03 23.01795 12 38 37.88 +00 38 45.3 18.4 VqEF126C95
K18F04X KC2018 03 23.04024 12 38 06.37 +00 38 47.5 19.4 VqEF126C95
K18F04X KC2018 03 23.11338 12 36 40.68 +00 39 12.2 19.0 VSEF126932
K18F04X KC2018 03 23.15729 12 35 42.84 +00 39 23.0 19.4 VSEF126932
K18F04X KC2018 03 23.16843 12 35 28.37 +00 39 25.3 19.3 VSEF126932
K18F04X KC2018 03 23.18235 12 35 10.42 +00 39 28.3 19.7 VSEF126932
K18F04X |C2018 03 23.20689 12 34 38.62 +00 43 53.1 19.5 VuEF126807
K18F04X |C2018 03 23.20890 12 34 36.04 +00 43 53.2 19.6 VuEF126807
K18F04X |C2018 03 23.21120 12 34 33.11 +00 43 53.5 19.7 VuEF126807
K18F04X C2018 03 23.36006 12 31 40.02 +00 40 34.2 19.1 GUEF126I52
K18F04X C2018 03 23.36172 12 31 38.08 +00 40 34.5 19.0 GUEF126I52
K18F04X C2018 03 23.36337 12 31 36.15 +00 40 35.0 19.2 GUEF126I52
K18F04X C2018 03 23.36502 12 31 34.22 +00 40 35.1 19.1 GUEF126I52
K18F04X C2018 03 23.76106 12 25 05.23 +00 41 35.4 19.1 RrEF126P93
K18F04X C2018 03 23.76259 12 25 03.90 +00 41 36.1 19.6 RrEF126P93
K18F04X C2018 03 23.76412 12 25 02.43 +00 41 35.9 19.5 RrEF126P93
K18F04X C2018 03 23.76871 12 24 58.32 +00 41 36.8 20.1 RrEF126P93
K18F04X KC2018 03 23.88510 12 23 33.15 +00 41 30.0 19.5 UEF126104
K18F04X KC2018 03 23.88566 12 23 32.68 +00 41 29.7 19.0 UEF126K63
K18F04X KC2018 03 23.88844 12 23 30.30 +00 41 30.3 19.0 UEF126K63
K18F04X KC2018 03 23.88904 12 23 29.77 +00 41 30.9 19.4 UEF126104
K18F04X KC2018 03 23.89119 12 23 27.96 +00 41 30.9 18.8 UEF126K63
K18F04X KC2018 03 23.89298 12 23 26.40 +00 41 31.2 19.5 UEF126104
K18F04X C2018 03 24.18285912 19 50.51 +00 42 31.7 19.6 GUEF126H01
K18F04X C2018 03 24.19438212 19 41.97 +00 42 33.1 19.3 GUEF126H01
K18F04X C2018 03 24.19841412 19 38.98 +00 42 33.6 20.0 GUEF126H01
K18F04X C2018 03 24.20434412 19 34.59 +00 42 34.3 19.5 GUEF126H01
Observer details:
104 San Marcello Pistoiese. Observers P. Bacci, M. Maestripieri, M. D. Grazia.
Measurers P. Bacci, L. Tesi, G. Fagioli. 0.60-m reflector + CCD.
204 Schiaparelli Observatory. Observer L. Buzzi. 0.60-m f/4.64 reflector
+ CCD.
595 Farra d'Isonzo. Observers E. Pettarin, F. Piani. Measurer E. Pettarin.
0.61-m f/4.0 reflector + CCD.
703 Catalina Sky Survey. Observers B. M. Africano, 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. 0.68-m Schmidt + 10K CCD.
807 Cerro Tololo. Observers T. Linder, R. Holmes. 0.61-m f/6.5 astrograph
+ CCD.
932 John J. McCarthy Obs., New Milford. Observer M. Robson. 0.4-m f/7.4
Schmidt-Cassegrain + CCD.
C95 SATINO Remote Observatory, Haute Provence. Observer J. Jahn. 0.60-m
f/3.2 Newtonian reflector + 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. Observers B. M. Africano,
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. 1.0-m reflector
+ CCD.
K63 G. Pascoli Observatory, Castelvecchio Pascoli. Observer R. Bacci. 0.40-m
f/3.2 Newtonian reflector + CCD.
P93 Space Tracking and Communications Center, JAXA. Observers S. Okumura,
S. Urakawa. 1.0-m f/3.0 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 FX4 Earth MOID = 0.0041 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 20.82732 (2000.0) P Q
n 0.41631197 Peri. 69.98035 +0.21731301 -0.97609349
a 1.7763292 Node 7.47190 +0.88345459 +0.19491216
e 0.7255400 Incl. 1.79319 +0.41506993 +0.09618082
P 2.37 H 25.7 G 0.15 U 7
Residuals in seconds of arc
180322 703 1.5- 0.7+ 180322 204 1.7- 0.2+ 180323 I52 0.3- 0.1-
180322 703 0.6- 0.5+ 180322 204 1.2- 0.3- 180323 P93 0.1- 0.1-
180322 703 0.3+ 0.2+ 180322 C95 1.1- 0.2+ 180323 P93 0.9+ 0.4+
180322 703 0.7+ 0.0 180323 C95 (0.4- 3.7+) 180323 P93 0.2- 0.0
180322 H01 0.1- 0.1- 180323 C95 0.5+ 0.1+ 180323 P93 0.8+ 0.3+
180322 H01 0.0 0.1- 180323 932 0.1+ 0.3- 180323 104 0.1- 0.0
180322 H01 0.1+ 0.1- 180323 932 0.2+ 0.2- 180323 K63 0.6- 0.3-
180322 H01 0.0 0.2- 180323 932 0.5+ 0.5- 180323 K63 0.5- 0.1-
180322 V06 0.3- 0.2- 180323 932 1.0+ 0.8- 180323 104 0.1- 0.3+
180322 V06 0.0 0.1- 180323 807 0.2+ 0.8+ 180323 K63 0.2- 0.0
180322 V06 0.2- 0.1- 180323 807 0.1+ 0.6+ 180323 104 0.0 0.0
180322 V06 0.2+ 0.0 180323 807 0.2+ 0.5+ 180324 H01 0.3- 0.1-
180322 595 0.2+ 1.1- 180323 I52 0.1+ 0.1- 180324 H01 0.2- 0.0
180322 595 1.2- 0.7- 180323 I52 0.0 0.1- 180324 H01 0.3- 0.0
180322 595 0.4- 0.2- 180323 I52 0.1- 0.1+ 180324 H01 0.4- 0.0
Ephemeris:
2018 FX4 a,e,i = 1.78, 0.73, 2 q = 0.4875
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 02 22 23 23 26.8 -01 34 27 0.3712 0.6465 18.1 151.7 31.4
...
2018 03 09 23 17 03.9 -00 53 31 0.1480 0.8452 3.8 175.5
...
2018 03 17 22 36 47.3 -00 54 12 0.04347 0.9535 17.2 162.0 30.5
...
2018 03 23 12 39 04.0 +00 41 19 0.03706 1.0333 172.0 7.7 19.2
2018 03 24 12 21 58.1 +00 43 47 0.04964 1.0464 176.7 3.2 19.6
2018 03 25 12 11 49.3 +00 45 02 0.06242 1.0595 177.5 2.3 20.1
...
2018 03 31 11 50 30.4 +00 45 20 0.1408 1.1368 167.5 10.9 22.4
...
2018 04 08 11 44 29.8 +00 38 34 0.2495 1.2364 158.3 17.4 24.1
...
2018 04 23 11 45 49.6 +00 07 18 0.4693 1.4127 144.1 24.6 26.0
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-F126
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