MPEC 2019-U13 : 2018 LZ5
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M.P.E.C. 2019-U13 Issued 2019 October 17, 16:54 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 LZ5
Revision to MPEC 2018-M23
Additional Observations:
K18L05Z C2014 05 25.38899614 27 40.579+01 27 08.36 22.3 GVEU013F51
K18L05Z C2014 05 25.40201414 27 39.704+01 27 13.39 22.7 GVEU013F51
K18L05Z C2014 05 25.41503214 27 38.811+01 27 18.82 23.2 GVEU013F51
K18L05Z C2014 05 25.42815314 27 37.948+01 27 24.55 25.4 GVEU013F51
K18L05Z C2014 05 31.43735214 21 37.417+02 02 41.43 22.4 GVEU013F51
K18L05Z C2014 05 31.44992414 21 36.719+02 02 45.04 22.5 GVEU013F51
K18L05Z C2014 05 31.46246014 21 35.995+02 02 48.78 22.0 GVEU013F51
K18L05Z KC2018 06 17.34868220 53 21.61 +08 37 59.9 21.2 VuEU013H21
K18L05Z KC2018 06 17.36145320 53 23.52 +08 38 17.2 21.3 VuEU013H21
K18L05Z C2018 09 12.34576 01 42 27.72 +05 57 21.1 EU013G96
K18L05Z C2018 09 12.35092 01 42 28.08 +05 57 11.8 18.2 G EU013G96
K18L05Z C2018 09 12.35609 01 42 28.52 +05 57 02.4 EU013G96
K18L05Z C2018 09 12.36125 01 42 28.89 +05 56 53.7 17.5 G EU013G96
K18L05Z C2018 09 15.35892 01 46 46.19 +04 23 35.6 VEU013703
K18L05Z C2018 09 15.36462 01 46 46.66 +04 23 24.9 19.2 GVEU013703
K18L05Z C2018 09 15.37031 01 46 47.06 +04 23 15.3 18.9 GVEU013703
K18L05Z C2018 09 15.37600 01 46 47.47 +04 23 04.8 19.0 GVEU013703
K18L05Z C2018 09 19.54488 01 51 30.265+02 17 18.39 18.9 wUEU013F52
K18L05Z C2018 09 19.55506 01 51 30.736+02 17 00.39 19.0 wUEU013F52
K18L05Z C2018 09 19.56522 01 51 31.212+02 16 42.45 19.0 wUEU013F52
K18L05Z C2018 09 19.57532 01 51 31.681+02 16 24.54 19.0 wUEU013F52
Observer details:
703 Catalina Sky Survey. Observer R. A. Kowalski. Measurers B. M. Africano,
E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H.
Groeller, J. A. Johnson, R. A. Kowalski, S. M. Larson, G. J. Leonard, R. L.
Seaman, F. C. Shelly. 0.68-m Schmidt + 10K CCD.
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.
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, T. Dukes, 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, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H.
Groeller, J. A. Johnson, R. A. Kowalski, S. M. Larson, G. J. Leonard, R. L.
Seaman, F. C. Shelly. 1.5-m reflector + 10K 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.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
140525 F51 6.8+ 0.2+ 180919 F52 0.1+ 0.1+ MPO473496 +0.00 days
Orbital elements:
2018 LZ5 Earth MOID = 0.1891 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 Veres
M 66.62931 (2000.0) P Q
n 0.26048858 Peri. 159.36000 +0.87040004 +0.49168166
a 2.4281579 Node 171.05852 -0.47162935 +0.84754972
e 0.5092912 Incl. 9.46247 -0.14131357 +0.19977143
P 3.78 H 20.1 G 0.15 U 0
Residuals in seconds of arc
140525 F51 0.1- 0.2+ 180807 T08 0.7+ 0.4- 180921 703 0.8- 0.2-
140525 F51 0.1- 0.1- 180807 T08 0.7- 0.0 180921 T05 1.0+ 0.1-
140525 F51 0.3- 0.1+ 180812 A17 0.1+ 0.1+ 180921 T05 0.6+ 0.0
140525 F51 0.1- 0.4+ 180812 A17 0.2- 0.0 180921 T05 0.5- 0.5+
140531 F51 0.1- 0.3+ 180812 A17 0.2- 0.1+ 180921 T05 0.2- 0.2-
140531 F51 0.4+ 0.2+ 180816 A17 0.1- 0.1- 180922 I41 0.2+ 0.3-
140531 F51 0.4+ 0.3+ 180816 A17 0.1- 0.1- 180922 I41 0.1+ 0.2-
180614 F51 0.1+ 0.0 180816 A17 0.3- 0.1- 180922 I41 0.0 0.5-
180614 F51 0.1+ 0.0 180821 T05 0.5- 0.0 180922 I41 0.1+ 0.3-
180614 F51 0.1+ 0.0 180821 T05 0.0 0.0 180922 I41 0.2+ 0.1-
180616 L01 0.1+ 0.4+ 180821 T05 0.0 0.5- 180929 H21 0.0 0.2-
180616 L01 0.7+ 0.3- 180821 T05 0.2+ 0.2+ 180929 H21 0.0 0.2+
180616 L01 0.1- 1.2+ 180823 H21 0.3- 0.3+ 180929 H21 0.3+ 0.2-
180616 568 0.0 0.0 180823 H21 0.1+ 0.4+ 180929 I52 0.3+ 0.1+
180616 568 0.1+ 0.0 180823 H21 0.2+ 0.4+ 180929 I52 0.1+ 0.0
180616 568 0.0 0.0 180823 H21 0.2- 0.3+ 180929 I52 0.1+ 0.3+
180617 807 0.1- 0.2- 180823 H21 0.3- 0.4+ 180929 I52 0.0 0.0
180617 807 0.2- 0.2- 180903 T08 0.8- 1.1+ 180930 H21 0.0 0.1-
180617 807 0.3- 0.1- 180903 T08 0.2+ 0.3- 180930 H21 0.0 0.0
180617 H21 0.6+ 0.4- 180903 T08 0.4+ 0.7- 180930 H21 0.3+ 0.4+
180617 H21 0.4+ 0.3- 180903 T08 0.4+ 0.1- 181001 H21 0.2+ 0.1-
180620 I52 0.2- 0.1- 180904 204 0.1- 0.0 181001 H21 0.2+ 0.2+
180620 I52 0.6+ 0.3- 180904 204 0.0 0.1+ 181001 H21 0.1+ 0.2+
180620 I52 0.5- 0.1+ 180904 204 0.0 0.0 181001 H21 0.3+ 0.3-
180620 I52 0.5+ 0.3- 180904 I52 0.1+ 0.2+ 181001 H21 0.3+ 0.3-
180622 I52 0.0 0.2- 180904 I52 0.1- 0.0 181001 H21 0.4- 0.0
180622 I52 0.3- 0.1+ 180904 I52 0.3- 0.3+ 181003 T05 0.1- 0.5-
180622 I52 0.2+ 0.1+ 180904 I52 0.0 0.4+ 181003 T05 0.2- 0.2+
180623 I52 0.1+ 0.0 180904 T08 0.9+ 0.7+ 181003 T05 0.0 0.0
180623 I52 1.4+ 1.3- 180904 T08 0.2- 0.7+ 181003 T05 0.2- 0.3-
180623 I52 0.0 2.3- 180904 T08 0.1+ 0.2+ 181005 F52 0.1+ 0.0
180624 I52 0.4+ 0.0 180904 T08 1.3- 0.2- 181005 F52 0.1+ 0.0
180624 I52 0.5- 0.6+ 180906 703 0.3- 0.0 181005 F52 0.0 0.0
180624 I52 0.2+ 0.1+ 180906 703 0.3- 0.1- 181005 F52 0.0 0.1+
180701 I52 0.3- 0.1+ 180906 703 0.3- 0.5+ 181006 703 0.8+ 0.2+
180701 I52 0.5- 0.2- 180906 703 0.8- 0.6- 181006 703 0.5+ 0.5-
180701 I52 0.5- 0.4+ 180908 I52 0.2- 0.1+ 181006 703 0.9+ 0.6-
180701 I52 0.1- 0.2+ 180908 I52 0.1- 0.0 181006 703 0.5+ 0.1-
180703 I52 0.2- 0.2- 180908 I52 0.1- 0.1+ 181006 G96 0.2+ 0.3+
180703 I52 0.0 0.2- 180908 I52 0.1- 0.1+ 181006 G96 0.1+ 0.1+
180703 I52 0.2- 0.0 180909 703 0.1+ 0.3- 181006 G96 0.2+ 0.1+
180705 I52 0.1- 0.3+ 180909 703 0.8+ 0.1- 181006 G96 0.0 0.0
180705 I52 0.1- 0.4- 180909 703 0.3- 0.3- 181010 703 1.2+ 0.8+
180705 I52 0.1+ 0.2- 180909 703 0.3- 0.3+ 181010 703 0.3+ 0.4-
180705 I52 0.1+ 0.1- 180910 I41 0.2+ 0.3- 181010 703 0.5+ 0.1+
180706 I52 0.7- 0.4- 180910 I41 0.3+ 0.3- 181011 D29 1.2- 0.3-
180706 I52 0.1+ 0.5+ 180910 I41 0.3+ 0.2- 181011 D29 0.9- 0.3-
180706 I52 0.3- 0.8- 180910 I41 0.1+ 0.3- 181011 D29 0.6- 0.4+
180706 I52 0.4- 0.0 180910 T05 0.3- 0.3- 181011 D29 0.0 0.1+
180708 H21 0.2- 0.3+ 180910 T05 0.3+ 0.4- 181011 D29 0.4- 0.6+
180708 H21 0.0 0.1- 180910 T05 0.3+ 0.3+ 181011 D29 0.4+ 0.1+
180708 H21 0.1+ 0.4+ 180910 T05 0.3+ 0.1+ 181015 F52 0.2- 0.3+
180708 A17 0.0 0.1+ 180912 G96 0.9+ 0.4- 181015 F52 0.0 0.0
180709 A17 0.3+ 0.4+ 180912 G96 0.1- 0.0 181015 F52 0.1+ 0.0
180712 H21 0.1+ 0.1+ 180912 G96 0.1+ 0.3+ 181015 F52 0.1+ 0.0
180712 H21 0.1+ 0.1+ 180912 G96 0.8- 1.2+ 181027 I52 0.3+ 0.3-
180712 H21 0.2- 0.2- 180915 703 1.1- 0.6- 181027 I52 0.2+ 0.0
180713 A17 0.1+ 0.1- 180915 703 0.2+ 0.8- 181027 I52 0.2- 0.6-
180713 A17 0.3+ 0.5+ 180915 H21 0.0 0.2+ 181027 I52 0.5+ 0.4+
180713 A17 0.4+ 0.6+ 180915 H21 0.1- 0.2+ 181027 691 0.2+ 0.2+
180714 H21 0.2+ 0.1+ 180915 703 0.5+ 0.1+ 181027 691 0.0 0.3+
180714 H21 0.1+ 0.1+ 180915 H21 0.1- 0.3+ 181027 691 0.1- 0.7+
180714 H21 0.2+ 0.4+ 180915 H21 0.1- 0.3+ 181102 691 0.3- 0.3+
180717 A17 0.1+ 0.1+ 180915 703 0.9+ 0.1+ 181102 691 0.3- 0.5+
180717 A17 0.2+ 0.1- 180915 H21 0.0 0.4+ 181102 691 0.4- 0.5+
180717 A17 0.2+ 0.1- 180916 I41 0.3+ 0.3- 181112 F52 0.1+ 0.0
180723 A17 0.3+ 0.1+ 180916 I41 0.3+ 0.3- 181112 F52 0.1- 0.1-
180723 A17 0.1+ 0.2- 180916 703 0.3+ 0.3- 181112 F52 0.1+ 0.1-
180723 A17 0.3- 0.2- 180916 703 0.1+ 0.4+ 181112 F52 0.2+ 0.1+
180725 H21 0.5- 0.2+ 180916 703 0.3- 0.2- 181116 691 0.7- 1.3+
180725 H21 0.7- 0.0 180916 703 0.0 0.3+ 181116 691 0.7- 0.2-
180725 H21 0.6- 0.0 180916 I41 0.1+ 0.3- 181116 691 0.3- 0.4+
180802 H21 0.2- 0.2+ 180916 I41 0.2+ 0.3- 181202 807 0.0 0.0
180802 H21 0.1+ 0.2+ 180917 A17 0.1- 0.2- 181202 807 0.1- 0.2-
180802 H21 0.0 0.2+ 180917 A17 0.2- 0.3- 181202 807 0.1- 0.4-
180802 A17 0.2- 0.3+ 180917 A17 0.2- 0.2- 181206 H21 0.0 0.6+
180802 A17 0.2- 0.0 180919 I41 0.1+ 0.3- 181206 H21 0.0 0.5+
180802 A17 0.1- 0.2- 180919 I41 0.2+ 0.2- 181206 H21 0.2- 0.5+
180803 H21 0.3+ 0.3+ 180919 I41 0.2+ 0.3- 181207 H21 0.6- 0.2+
180803 H21 0.1+ 0.5+ 180919 I41 0.1+ 0.3- 181207 H21 0.5- 0.3+
180803 H21 0.0 0.1+ 180919 F52 0.0 0.1+ 181207 H21 0.3- 0.3+
180804 H21 0.1- 0.1+ 180919 F52 0.0 0.1+ 181211 H21 0.4- 0.3+
180804 H21 0.2- 0.4+ 180919 F52 0.1+ 0.1+ 181211 H21 0.5- 0.6+
180804 H21 0.1+ 0.3+ 180919 F52 0.0 0.1+ 181211 H21 0.5- 0.7+
180807 T08 0.7+ 0.6- 180921 703 0.1- 0.3+
180807 T08 0.7- 1.2- 180921 703 0.9- 0.8-
Ephemeris:
2018 LZ5 a,e,i = 2.43, 0.51, 9 q = 1.1915
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 09 17 08 48 54.1 +11 23 54 3.8436 3.1748 42.4 12.3 26.3
...
2019 10 02 09 04 21.5 +10 10 13 3.7267 3.2248 53.0 14.4 26.3
...
2019 10 10 09 11 42.6 +09 31 37 3.6517 3.2503 58.9 15.3 26.3
...
2019 10 16 09 16 46.1 +09 03 29 3.5903 3.2689 63.5 15.8 26.3
2019 10 17 09 17 34.3 +08 58 53 3.5797 3.2720 64.2 15.9 26.3
2019 10 18 09 18 21.8 +08 54 19 3.5690 3.2750 65.0 16.0 26.3
...
2019 10 24 09 22 51.2 +08 27 34 3.5025 3.2930 69.7 16.5 26.3
...
2019 11 01 09 28 06.0 +07 54 09 3.4087 3.3163 76.3 16.9 26.3
...
2019 11 16 09 35 22.3 +07 01 02 3.2224 3.3579 89.2 17.1 26.2
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-U13
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