MPEC 2019-O147 : 2018 FF2
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M.P.E.C. 2019-O147 Issued 2019 July 31, 14:46 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 FF2
Revision to MPEC 2018-F65
Additional Observations:
K18F02F C2011 03 09.41917712 16 55.749+45 21 09.13 21.4 GVEO147F51
K18F02F C2011 03 09.43079712 16 52.832+45 21 06.56 21.0 GVEO147F51
K18F02F C2011 03 09.44375412 16 49.642+45 21 03.07 21.1 GVEO147F51
K18F02F C2011 03 09.45455512 16 46.947+45 21 00.19 20.8 GVEO147F51
K18F02F C2011 03 11.42031812 08 44.853+45 08 23.30 20.6 GVEO147F51
K18F02F C2011 03 11.43102212 08 42.044+45 08 18.47 20.9 GVEO147F51
K18F02F C2011 03 11.44308312 08 38.844+45 08 12.84 21.0 GVEO147F51
K18F02F C2011 03 13.40468112 00 03.356+44 48 25.59 21.1 GVEO147F51
K18F02F C2011 03 14.42993 11 55 20.842+44 34 58.39 21.0 iLEO147F51
K18F02F C2011 03 14.44303 11 55 16.965+44 34 47.30 20.8 iLEO147F51
K18F02F C2011 03 14.45618 11 55 13.129+44 34 36.03 21.2 rLEO147F51
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe,
E. Magnier, A. Schultz, M. Willman, N. Primak, S. Watters, J. Thiel,
T. Goggia. Measurers S. Chastel, M. Huber, Y. Ramanjooloo, R. Wainscoat,
R. Weryk, P.-S. 1. S. Consortium. 1.8-m Ritchey-Chretien + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
110309 F51 35.5+ 29.3+ 110314 F51 38.9+ 28.0+ MPO457149 -0.00 days
Orbital elements:
2018 FF2 Earth MOID = 0.1208 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 188.42784 (2000.0) P Q
n 0.56664048 Peri. 241.15236 -0.29852350 +0.94994232
a 1.4463198 Node 12.55383 -0.65890411 -0.13527552
e 0.3077634 Incl. 25.08736 -0.69045571 -0.28162054
P 1.74 H 21.6 G 0.15 U 1
Residuals in seconds of arc
110309 F51 0.1+ 0.1- 180319 I52 0.2- 0.2+ 180329 T05 0.2- 0.0
110309 F51 0.3- 0.2+ 180319 I52 0.4+ 0.5+ 180329 T05 0.4+ 0.4-
110309 F51 0.0 0.0 180319 I52 0.2- 0.1+ 180329 T05 0.1+ 0.9+
110309 F51 0.1- 0.0 180320 I52 0.2- 0.1- 180329 T05 0.4- 0.8-
110311 F51 0.5- 0.2- 180320 I52 0.3+ 0.0 180404 I52 0.6+ 0.2+
110311 F51 0.0 0.1- 180320 I52 0.0 0.1+ 180404 I52 0.4- 0.5-
110311 F51 0.3+ 0.0 180320 I52 0.2- 0.3- 180404 I52 0.7- 0.9+
110313 F51 0.1+ 0.0 180320 703 0.8- 0.4+ 180404 I52 0.4+ 0.0
110314 F51 0.4+ 0.1+ 180320 703 0.5+ 0.2+ 180404 I52 0.2- 0.5-
110314 F51 0.1- 0.0 180320 703 0.6+ 0.1- 180404 I52 0.1+ 0.2-
110314 F51 0.1+ 0.0 180320 703 0.1- 0.5- 180404 I52 0.5- 0.0
180317 G96 0.1+ 0.1- 180321 I52 0.1- 0.2- 180404 I52 0.2- 0.5-
180317 G96 0.2+ 0.2- 180321 I52 0.1+ 0.1- 180413 474 0.3- 0.2+
180317 G96 0.1+ 0.1- 180321 I52 0.4+ 0.2- 180413 474 0.2- 0.3+
180317 G96 0.0 0.0 180321 I52 0.2- 0.2- 180413 474 0.3- 0.4+
180317 I52 0.2+ 0.0 180322 807 0.0 0.2- 180413 474 0.0 0.5+
180317 I52 0.2- 0.6+ 180322 807 0.1+ 0.0 180413 474 0.2- 0.2-
180317 I52 0.0 0.0 180322 807 0.3+ 0.1- 180421 807 0.5+ 0.6-
180317 I52 0.4- 0.2+ 180324 113 0.6- 1.2+ 180421 807 0.6+ 0.4-
180318 807 0.3- 0.2- 180324 113 0.0 0.9+ 180421 807 0.0 0.7-
180318 807 0.3+ 0.0 180324 113 0.2- 0.1- 180904 474 0.7+ 0.6+
180318 807 0.2+ 0.1- 180325 246 0.3+ 0.8- 180904 474 0.4- 0.3+
180318 G96 0.6+ 0.1+ 180325 246 0.7+ 0.2- 180904 474 0.4- 0.8+
180318 G96 0.1- 0.4- 180326 807 0.1+ 0.0 180904 474 0.2+ 0.1-
180318 G96 0.0 0.1- 180326 807 0.2- 0.1+ 180905 807 0.1- 0.3-
180318 G96 0.0 0.1- 180327 204 0.0 0.2- 180905 807 0.1- 0.3-
180319 033 0.3- 0.3+ 180327 204 0.1- 0.0 180905 807 0.1- 0.3-
180319 033 0.2- 0.3+ 180327 703 0.2- 0.3- 180905 807 0.0 0.3-
180319 I52 0.2- 0.3- 180327 703 0.5+ 0.5+
Ephemeris:
2018 FF2 a,e,i = 1.45, 0.31, 25 q = 1.0012
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 07 01 06 45 02.4 +39 10 50 2.7652 1.8105 16.1 9.0 25.7
...
2019 07 16 07 29 24.8 +38 04 16 2.7266 1.7773 16.7 9.5 25.7
...
2019 07 24 07 52 55.2 +37 09 45 2.6988 1.7574 17.6 10.1 25.6
...
2019 07 30 08 10 24.7 +36 20 15 2.6747 1.7414 18.4 10.6 25.6
2019 07 31 08 13 18.8 +36 11 17 2.6705 1.7386 18.6 10.7 25.6
2019 08 01 08 16 12.7 +36 02 08 2.6661 1.7359 18.8 10.8 25.6
...
2019 08 07 08 33 29.7 +35 02 57 2.6386 1.7187 19.8 11.5 25.6
...
2019 08 15 08 56 14.7 +33 32 59 2.5982 1.6945 21.3 12.5 25.6
...
2019 08 30 09 37 56.7 +30 11 17 2.5116 1.6451 24.4 14.7 25.5
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-O147
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