[Iaude] MPEC F106: 2018 FA4 [a=2.58,e=0.63,i=13.1,H=25.4]
mpec at mpcdb1.cfa.harvard.edu
mpec at mpcdb1.cfa.harvard.edu
Thu Mar 22 11:19:16 EDT 2018
M.P.E.C. 2018-F106 Issued 2018 Mar. 22, 15:14 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 FA4
Observations:
K18F04A C2018 03 18.36412 10 59 43.193+02 39 25.57 UEF106F51
K18F04A C2018 03 18.37659 10 59 49.110+02 34 15.62 19.6 wUEF106F51
K18F04A C2018 03 18.38880 10 59 54.892+02 29 12.82 19.8 wUEF106F51
K18F04A* C2018 03 21.27524 11 19 32.19 -12 01 40.7 19.8 GUEF106G96
K18F04A C2018 03 21.28040 11 19 33.49 -12 02 46.9 20.3 GUEF106G96
K18F04A C2018 03 21.28559 11 19 34.78 -12 03 52.8 20.4 GUEF106G96
K18F04A C2018 03 21.29076 11 19 36.09 -12 04 58.9 19.7 GUEF106G96
K18F04A C2018 03 21.31736311 19 42.35 -12 10 40.8 19.8 GUEF106H01
K18F04A C2018 03 21.32426111 19 44.11 -12 12 08.1 20.2 GUEF106H01
K18F04A C2018 03 21.33087611 19 45.79 -12 13 31.7 19.9 GUEF106H01
K18F04A C2018 03 21.34123011 19 48.43 -12 15 42.5 20.0 GUEF106H01
K18F04A KC2018 03 21.36677 11 19 55.43 -12 21 00.5 oEF106691
K18F04A KC2018 03 21.38760 11 20 00.79 -12 25 20.1 oEF106691
K18F04A KC2018 03 21.40836 11 20 06.15 -12 29 37.4 oEF106691
K18F04A C2018 03 21.96062 11 22 47.25 -14 18 31.5 20.8 VSEF106033
K18F04A C2018 03 21.96218 11 22 47.64 -14 18 49.7 20.6 VSEF106033
K18F04A C2018 03 21.96373 11 22 48.01 -14 19 06.6 20.6 VSEF106033
K18F04A |C2018 03 22.10460 11 23 29.38 -14 42 14.4 20.8 VuEF106807
K18F04A |C2018 03 22.10746 11 23 30.01 -14 42 45.6 20.8 VuEF106807
K18F04A |C2018 03 22.11033 11 23 30.64 -14 43 16.6 20.7 VuEF106807
K18F04A KC2018 03 22.20203511 23 52.48 -15 01 53.6 20.3 VuEF106H21
K18F04A KC2018 03 22.20716611 23 53.57 -15 02 48.1 20.3 VuEF106H21
K18F04A C2018 03 22.22964 11 24 01.29 -15 06 33.3 20.7 GUEF106I52
K18F04A C2018 03 22.23060 11 24 01.50 -15 06 43.7 19.9 GUEF106I52
K18F04A C2018 03 22.23157 11 24 01.71 -15 06 54.1 19.9 GUEF106I52
K18F04A C2018 03 22.23253 11 24 01.90 -15 07 03.7 20.8 GUEF106I52
K18F04A C2018 03 22.25995 11 24 07.74 -15 11 52.3 20.6 GUEF106G96
K18F04A C2018 03 22.26512 11 24 08.79 -15 12 45.5 20.4 GUEF106G96
K18F04A C2018 03 22.27030 11 24 09.92 -15 13 40.4 20.6 GUEF106G96
K18F04A C2018 03 22.27547 11 24 10.98 -15 14 34.6 20.6 GUEF106G96
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers F. Ludwig,
B. Stecklum. Measurer B. Stecklum. 1.34-m f/3 Schmidt + CCD.
691 Steward Observatory, Kitt Peak. Observer A. F. Tubbiolo. 0.9-m f/3
reflector + CCD.
807 Cerro Tololo. Observers T. Linder, R. Holmes. 0.61-m f/6.5 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.
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.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes. 0.76-m f/3.0
astrograph + 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.
Orbital elements:
2018 FA4 Earth MOID = 0.0278 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 8.66452 (2000.0) P Q
n 0.23821989 Peri. 139.73749 -0.72050484 -0.69329223
a 2.5772153 Node 356.26789 +0.56340318 -0.57281925
e 0.6348790 Incl. 13.13062 +0.40428903 -0.43729166
P 4.14 H 25.4 G 0.15 U 6
Residuals in seconds of arc
180318 F51 0.3+ 0.2- 180321 H01 0.2- 0.2- 180322 H21 0.2+ 0.1+
180318 F51 0.1- 0.0 180321 691 0.0 0.2- 180322 H21 0.1- 0.2-
180318 F51 0.2- 0.2+ 180321 691 0.3+ 0.1+ 180322 I52 0.0 0.1+
180321 G96 0.1+ 0.3- 180321 691 0.0 0.3+ 180322 I52 0.1+ 0.2-
180321 G96 0.0 0.3- 180321 033 0.1- 0.5+ 180322 I52 0.1+ 0.4-
180321 G96 0.3- 0.4+ 180321 033 0.3+ 0.4- 180322 I52 0.1- 0.2+
180321 G96 0.3- 0.4+ 180321 033 0.4+ 0.2- 180322 G96 0.2+ 0.2-
180321 H01 0.3- 0.2- 180322 807 0.3- 0.2+ 180322 G96 0.4- 0.7+
180321 H01 0.2- 0.1- 180322 807 0.3- 0.1+ 180322 G96 0.2+ 0.1-
180321 H01 0.2- 0.1- 180322 807 0.2- 0.2+ 180322 G96 0.2- 0.4-
Ephemeris:
2018 FA4 a,e,i = 2.58, 0.63, 13 q = 0.9410
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 02 20 00 39 36.8 +51 17 57 0.1728 0.9439 70.1 100.0 25.1
...
2018 03 07 02 26 30.8 +67 04 35 0.06660 0.9835 80.5 95.6 22.9
...
2018 03 15 10 08 56.4 +35 27 17 0.03405 1.0211 140.9 37.9 19.6
...
2018 03 21 11 18 05.9 -10 59 09 0.06132 1.0554 164.8 14.3 20.3
2018 03 22 11 22 58.2 -14 23 42 0.06807 1.0615 162.7 16.2 20.6
2018 03 23 11 27 05.6 -17 09 55 0.07507 1.0678 160.9 17.8 20.8
...
2018 03 29 11 42 52.3 -26 23 55 0.1202 1.1078 154.2 23.1 22.1
...
2018 04 06 11 53 48.2 -30 47 29 0.1852 1.1662 151.1 24.5 23.2
...
2018 04 21 12 07 17.0 -32 28 48 0.3195 1.2867 147.9 24.5 24.6
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-F106
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