MPEC 2019-U19 : 2018 EE4
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M.P.E.C. 2019-U19 Issued 2019 October 18, 00:57 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 EE4
Revision to MPEC 2018-E107
Additional Observations:
K18E04E C2016 01 15.49823109 55 30.664-13 28 40.83 22.5 GVEU019F51
K18E04E C2016 01 15.52158409 55 29.776-13 28 33.34 21.8 GVEU019F51
K18E04E C2016 02 09.44137809 30 37.020-07 35 47.50 21.5 GVEU019F51
K18E04E C2016 02 09.45454809 30 35.916-07 35 29.38 21.3 GVEU019F51
K18E04E C2016 02 09.48091609 30 33.712-07 34 52.96 21.2 GVEU019F51
K18E04E C2016 02 27.35305109 07 57.760+00 32 48.51 21.7 GVEU019F51
K18E04E C2016 02 27.36600509 07 56.866+00 33 11.46 20.6 GVEU019F51
K18E04E C2016 02 27.39272009 07 54.999+00 33 59.54 21.5 GVEU019F51
K18E04E C2016 03 05.31159409 01 13.916+03 59 09.26 21.8 GVEU019F51
K18E04E C2016 03 05.32364309 01 13.265+03 59 29.99 22.5 GVEU019F51
K18E04E C2016 03 05.33572009 01 12.600+03 59 51.48 21.9 GVEU019F51
K18E04E C2016 03 05.34789609 01 11.948+04 00 12.77 21.7 GVEU019F51
K18E04E C2016 03 08.25000908 58 59.158+05 24 18.00 21.8 GVEU019F51
K18E04E C2016 03 08.26357408 58 58.540+05 24 41.30 21.5 GVEU019F51
K18E04E C2016 03 25.36248508 54 10.941+12 39 18.25 22.1 GVEU019F51
K18E04E C2016 03 25.37548208 54 11.028+12 39 34.97 22.5 GVEU019F51
K18E04E C2016 03 25.38848508 54 11.129+12 39 51.54 22.1 GVEU019F51
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, E.
Magnier, A. Schultz, M. Willman. Measurers S. Chastel, M. Huber, Y.
Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
160115 F51 10.2+ 0.3+ 160325 F51 10.2+ 0.2+ MPO457149 -0.00 days
Orbital elements:
2018 EE4 Earth MOID = 0.3326 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 Veres
M 115.94753 (2000.0) P Q
n 0.53045260 Peri. 128.53529 +0.44440533 +0.89205629
a 1.5113730 Node 167.07184 -0.89274662 +0.44860589
e 0.1447930 Incl. 21.52678 -0.07421167 -0.05466558
P 1.86 H 20.5 G 0.15 U 3
Residuals in seconds of arc
160115 F51 0.1+ 0.2+ 180317 I52 0.2- 0.2- 180323 G96 0.1+ 0.2-
160115 F51 0.3- 0.1- 180317 I52 0.2- 0.0 180323 G96 0.3- 0.8+
160209 F51 0.2+ 0.1+ 180317 I52 0.0 0.3- 180328 I52 0.3- 0.9-
160209 F51 0.1+ 0.1+ 180317 I52 0.3- 0.0 180328 I52 0.1+ 0.3-
160209 F51 0.0 0.0 180317 691 0.0 0.3+ 180328 I52 0.4- 1.2-
160227 F51 0.2- 0.2- 180317 691 0.6+ 1.0+ 180328 I52 0.6+ 0.4+
160227 F51 0.1+ 0.4- 180317 691 0.3- 0.1+ 180404 I52 3.6+ 2.5-
160227 F51 0.2+ 0.0 180318 I52 0.1+ 0.8+ 180404 I52 0.1- 0.1-
160305 F51 0.0 0.2+ 180318 I52 0.1+ 0.2+ 180404 I52 0.5- 0.0
160305 F51 0.1+ 0.2- 180318 I52 0.0 0.3- 180410 G96 0.4- 0.1+
160305 F51 0.1- 0.0 180318 I52 0.1- 0.4+ 180410 G96 0.3+ 0.5+
160305 F51 0.1+ 0.1- 180318 G96 0.3- 0.3- 180410 G96 0.4+ 0.1+
160308 F51 0.1- 0.1+ 180318 G96 0.0 0.7+ 180410 G96 0.0 0.5+
160308 F51 0.1- 0.1+ 180318 G96 0.6- 0.5- 180423 691 0.1+ 0.2+
160325 F51 0.5- 0.1+ 180318 G96 0.0 0.3+ 180423 691 0.2- 0.6+
160325 F51 0.1- 0.1+ 180319 G96 0.0 0.1+ 180423 691 0.1+ 0.1+
160325 F51 0.4+ 0.1- 180319 G96 0.1- 0.1+ 180505 H21 0.5- 0.9+
180310 F51 0.3- 0.1+ 180319 G96 0.5- 0.3- 180505 H21 0.7- 0.3+
180310 F51 0.1- 0.0 180319 G96 0.1+ 0.4- 180505 H21 0.3- 0.2-
180310 F51 0.2+ 0.0 180319 I52 0.2+ 0.2- 180511 H21 0.5- 0.4+
180312 807 0.2+ 0.0 180319 I52 0.0 0.2- 180511 H21 0.8- 0.2-
180312 807 0.1+ 0.1+ 180319 I52 0.0 0.1- 180512 H21 0.1+ 0.1-
180312 807 0.0 0.0 180319 I52 0.5- 0.4- 180512 H21 0.6+ 0.1-
180312 H21 0.2+ 0.2- 180320 I52 0.2- 0.1- 180512 H21 0.3+ 0.0
180312 H21 0.1+ 0.1- 180320 I52 0.1- 0.2- 180514 H21 0.0 0.6-
180312 H21 0.1+ 0.4- 180320 I52 0.1+ 0.4- 180514 H21 0.5+ 0.6-
180313 291 0.4+ 0.2+ 180320 I52 0.0 0.2- 180514 H21 0.4+ 0.5-
180313 291 0.1+ 0.1+ 180320 691 0.1+ 0.3+ 180611 291 0.4+ 0.1-
180313 291 0.3- 0.9+ 180320 691 0.2- 0.1- 180611 291 0.3- 0.0
180314 204 0.1+ 0.1- 180320 691 0.2+ 0.4+ 180611 291 0.3+ 0.2+
180314 204 0.3- 0.0 180323 G96 0.1+ 0.1+
180314 204 0.5- 0.4+ 180323 G96 0.1+ 0.3+
Ephemeris:
2018 EE4 a,e,i = 1.51, 0.14, 22 q = 1.2925
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 09 18 09 34 07.4 +04 07 17 2.5021 1.7264 31.5 17.7 24.6
...
2019 10 03 10 08 23.9 +01 59 56 2.4134 1.7198 36.8 20.4 24.6
...
2019 10 11 10 26 31.4 +00 49 07 2.3589 1.7150 39.8 21.9 24.6
...
2019 10 17 10 40 04.3 -00 04 38 2.3148 1.7109 42.1 23.0 24.6
2019 10 18 10 42 19.7 -00 13 37 2.3072 1.7101 42.5 23.2 24.6
2019 10 19 10 44 35.0 -00 22 36 2.2996 1.7094 42.9 23.4 24.6
...
2019 10 25 10 58 06.6 -01 16 27 2.2520 1.7045 45.2 24.5 24.6
...
2019 11 02 11 16 08.2 -02 27 31 2.1846 1.6974 48.4 25.9 24.5
...
2019 11 17 11 50 01.5 -04 34 53 2.0470 1.6816 54.7 28.7 24.4
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-U19
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