MPEC 2018-F50 : 2018 FR1
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M.P.E.C. 2018-F50 Issued 2018 Mar. 20, 23:44 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 FR1
Observations:
K18F01R* C2018 03 17.43177 12 02 27.779+04 01 02.55 20.9 wUEF050F51
K18F01R C2018 03 17.45979 12 02 32.569+03 58 54.00 21.4 wUEF050F51
K18F01R C2018 03 17.47380 12 02 34.967+03 57 49.38 21.1 wUEF050F51
K18F01R ^C2018 03 18.32662 12 06 14.659+02 45 27.41 20.5 GUEF050568
K18F01R C2018 03 19.37668 12 11 31.89 +00 52 27.2 20.0 GUEF050G96
K18F01R C2018 03 19.38182 12 11 33.42 +00 51 48.6 21.0 GUEF050G96
K18F01R C2018 03 19.42199 12 11 45.57 +00 46 51.8 20.6 GUEF050G96
K18F01R C2018 03 19.42715 12 11 47.16 +00 46 13.4 20.2 GUEF050G96
K18F01R C2018 03 19.44860 12 11 53.88 +00 43 33.5 18.9 GUEF050G96
K18F01R C2018 03 19.44901 12 11 53.99 +00 43 30.6 UEF050G96
K18F01R C2018 03 19.44941 12 11 54.08 +00 43 27.2 UEF050G96
K18F01R C2018 03 19.44982 12 11 54.24 +00 43 24.2 UEF050G96
K18F01R C2018 03 19.47079 12 12 00.96 +00 40 45.7 20.5 GUEF050I52
K18F01R C2018 03 19.47245 12 12 01.51 +00 40 34.0 20.1 GUEF050I52
K18F01R C2018 03 19.47410 12 12 02.03 +00 40 20.9 19.9 GUEF050I52
K18F01R C2018 03 19.47576 12 12 02.62 +00 40 08.3 20.3 GUEF050I52
K18F01R C2018 03 20.05358 12 15 55.67 -00 39 27.4 20.4 VSEF050033
K18F01R C2018 03 20.05524 12 15 56.32 -00 39 42.0 20.5 VSEF050033
K18F01R C2018 03 20.05692 12 15 56.96 -00 39 57.0 20.4 VSEF050033
K18F01R C2018 03 20.05859 12 15 57.59 -00 40 11.9 20.2 VSEF050033
K18F01R C2018 03 20.06025 12 15 58.24 -00 40 26.9 20.9 VSEF050033
K18F01R C2018 03 20.06193 12 15 58.88 -00 40 41.9 20.7 VSEF050033
K18F01R C2018 03 20.25203 12 17 31.57 -01 08 56.1 19.9 GUEF050I52
K18F01R C2018 03 20.25246 12 17 31.74 -01 09 00.6 20.4 GUEF050I52
K18F01R C2018 03 20.25288 12 17 31.87 -01 09 04.2 19.9 GUEF050I52
K18F01R C2018 03 20.25329 12 17 32.07 -01 09 08.2 20.3 GUEF050I52
K18F01R C2018 03 20.34306 12 18 07.31 -01 23 25.4 20.2 GUEF050G96
K18F01R C2018 03 20.34820 12 18 09.37 -01 24 15.0 20.2 GUEF050G96
K18F01R C2018 03 20.35334 12 18 11.38 -01 25 04.8 20.6 GUEF050G96
K18F01R C2018 03 20.35848 12 18 13.45 -01 25 55.2 20.2 GUEF050G96
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers F. Ludwig,
B. Stecklum. Measurer B. Stecklum. 1.34-m f/3 Schmidt + CCD.
568 Mauna Kea. Observers R. Wainscoat, D. Woodworth, T. Burdullis. 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, 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 J. A. Johnson. 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.
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.
Orbital elements:
2018 FR1 Earth MOID = 0.0085 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 341.90074 (2000.0) P Q
n 0.42737182 Peri. 238.72908 -0.51943755 +0.85450841
a 1.7455493 Node 359.97632 -0.75754870 -0.46051387
e 0.5009595 Incl. 4.11908 -0.39535376 -0.24029637
P 2.31 H 26.6 G 0.15 U 7
Residuals in seconds of arc
180317 F51 0.2- 0.1+ 180319 G96 0.5- 0.3+ 180320 033 0.2+ 0.4-
180317 F51 0.1+ 0.1- 180319 G96 0.1- 0.3+ 180320 033 0.1+ 0.4-
180317 F51 0.1+ 0.1- 180319 I52 0.2- 0.5- 180320 I52 0.1+ 0.2+
180318 568 0.0 0.1+ 180319 I52 0.0 0.4+ 180320 I52 0.1+ 0.2-
180319 G96 0.1- 0.3+ 180319 I52 0.3- 0.3- 180320 I52 0.4- 0.1+
180319 G96 0.0 0.5- 180319 I52 0.4+ 0.4- 180320 I52 0.2+ 0.0
180319 G96 0.2+ 0.0 180320 033 0.1- 0.2- 180320 G96 0.1- 0.1+
180319 G96 0.2+ 0.0 180320 033 0.2+ 0.0 180320 G96 0.2+ 0.3+
180319 G96 0.3+ 0.5+ 180320 033 0.1+ 0.1- 180320 G96 0.3- 0.3+
180319 G96 0.0 0.7+ 180320 033 0.0 0.1- 180320 G96 0.0 0.2-
Ephemeris:
2018 FR1 a,e,i = 1.75, 0.50, 4 q = 0.8711
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 02 18 11 32 36.7 +11 53 44 0.2836 1.2564 158.5 16.8 25.3
...
2018 03 05 11 42 02.0 +10 25 21 0.1562 1.1455 169.1 9.4 23.5
...
2018 03 13 11 51 11.2 +07 46 03 0.09563 1.0889 173.2 6.2 22.2
...
2018 03 19 12 09 27.4 +01 37 50 0.05309 1.0484 175.8 4.0 20.7
2018 03 20 12 15 35.9 -00 29 00 0.04631 1.0419 175.2 4.6 20.4
2018 03 21 12 23 48.5 -03 18 36 0.03969 1.0355 173.3 6.5 20.2
...
2018 03 27 18 22 58.8 -54 03 08 0.01689 0.9984 91.8 87.2 20.8
...
2018 04 04 22 50 12.6 -26 18 37 0.06431 0.9542 43.3 134.1 26.7
...
2018 04 19 23 21 56.6 -17 58 06 0.1718 0.8934 45.9 126.1 27.9
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-F50
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