MPEC 2019-A221: 2016 LU9
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M.P.E.C. 2019-A221 Issued 2019 Jan. 14, 03:09 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
2016 LU9
Revision to MPEC 2016-L76
Additional Observations:
K16L09U C2012 12 23.56002908 13 27.732+27 46 45.11 22.2 GVEA221F51
K16L09U C2012 12 23.57448108 13 26.661+27 46 56.66 22.1 GVEA221F51
K16L09U C2012 12 23.60331208 13 24.499+27 47 20.68 22.1 GVEA221F51
K16L09U C2013 01 03.51332907 58 53.094+30 11 40.71 21.9 GVEA221F51
K16L09U C2013 01 03.52465007 58 52.107+30 11 48.79 22.8 GVEA221F51
K16L09U C2013 01 03.55646107 58 49.282+30 12 12.27 22.7 GVEA221F51
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
121223 F51 5.0+ 1.1+ 130103 F51 5.4+ 0.9+ MPO397877 +0.0053 day
Orbital elements:
2016 LU9 Earth MOID = 0.3687 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 196.69967 (2000.0) P Q
n 0.22132425 Peri. 259.85865 +0.92700874 +0.05168866
a 2.7067619 Node 96.45045 +0.07995873 +0.94044592
e 0.5734327 Incl. 21.95185 -0.36641698 +0.33599070
P 4.45 H 19.0 G 0.15 U 2
Residuals in seconds of arc
121223 F51 0.2- 0.1+ 160607 F51 0.1+ 0.0 160705 F51 0.2+ 0.0
121223 F51 0.1- 0.2- 160607 F51 0.3+ 0.1- 160706 691 0.2+ 0.8-
121223 F51 0.1- 0.1+ 160608 568 0.0 0.0 160706 691 0.1- 1.1+
130103 F51 0.1+ 0.3+ 160608 568 0.0 0.0 160706 691 0.2+ 0.0
130103 F51 0.3+ 0.0 160608 568 0.0 0.0 160802 807 0.4- 0.3+
130103 F51 0.0 0.1+ 160608 568 0.0 0.0 160802 807 0.2- 0.0
160605 F51 0.1+ 0.1- 160615 291 0.0 0.1+ 160802 807 0.1- 0.1-
160605 F51 0.1+ 0.0 160615 291 0.2- 0.2+ 160823 807 0.1+ 0.3+
160605 F51 0.2+ 0.1- 160627 705 0.7+ 0.2- 160823 807 0.0 0.3+
160605 F51 0.1+ 0.1- 160627 705 0.1+ 0.3- 160823 807 0.2- 0.1-
160606 291 0.3+ 0.2+ 160627 705 0.3+ 0.2- 161119 807 0.2+ 0.1+
160606 291 0.1+ 0.1- 160630 474 0.4- 0.0 161119 807 0.0 0.0
160606 291 1.1- 0.2+ 160630 474 1.0- 0.4+ 161119 807 0.1+ 0.0
160607 291 0.4- 0.2- 160630 474 0.4- 0.7- 161205 807 0.4+ 0.5+
160607 291 0.2+ 0.2- 160630 474 0.0 0.2- 161205 807 0.3- 0.6+
160607 291 0.7+ 0.3- 160705 F51 0.1- 0.1+ 161205 807 0.1+ 0.3-
160607 F51 0.0 0.1- 160705 F51 0.1+ 0.0
Ephemeris:
2016 LU9 a,e,i = 2.71, 0.57, 22 q = 1.1546
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 12 15 12 52 29.4 +17 01 15 4.3297 4.2433 78.4 13.1 26.1
...
2018 12 30 13 00 02.2 +17 37 41 4.1130 4.2504 91.3 13.4 26.0
...
2019 01 07 13 02 54.6 +18 08 21 3.9971 4.2533 98.4 13.2 25.9
...
2019 01 13 13 04 27.7 +18 36 29 3.9118 4.2551 103.8 13.0 25.9
2019 01 14 13 04 40.0 +18 41 35 3.8978 4.2553 104.7 12.9 25.9
2019 01 15 13 04 51.4 +18 46 48 3.8839 4.2556 105.6 12.9 25.8
...
2019 01 21 13 05 39.5 +19 20 27 3.8022 4.2569 111.1 12.5 25.8
...
2019 01 29 13 05 47.6 +20 11 10 3.6993 4.2581 118.5 11.7 25.7
...
2019 02 13 13 02 58.9 +22 00 14 3.5331 4.2589 132.1 9.9 25.5
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-A221
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