MPEC 2023-O121 : 2019 LP4
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M.P.E.C. 2023-O121 Issued 2023 July 30, 14:47 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets, routine data on comets and natural satellites,
and occasional editorial announcements. 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
2019 LP4
Revision to MPEC 2019-M01
Additional Observations:
K19L04P C2023 07 16.53203922 53 18.505-26 40 48.12 23.23GVEO121F51
K19L04P C2023 07 16.54337922 53 18.170-26 41 03.19 21.72GVEO121F51
K19L04P C2023 07 16.55467622 53 17.827-26 41 18.58 22.28GVEO121F51
K19L04P C2023 07 16.56598122 53 17.512-26 41 33.63 22.11GVEO121F51
K19L04P C2023 07 27.48178222 46 14.918-30 47 50.07 22.54GVEO121F51
K19L04P C2023 07 27.49205422 46 14.334-30 48 03.89 22.11GVEO121F51
K19L04P C2023 07 27.50233122 46 13.830-30 48 17.17 21.64GVEO121F51
K19L04P C2023 07 27.51260522 46 13.267-30 48 31.12 22.21GVEO121F51
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, P.
Minguez, A. Schultz, I. Smith. Measurers S. Chastel, J. Fairlamb, 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
230716 F51 33.6+ 0.5+ 230727 F51 35.6+ 2.7+ MPO750185 +0.02 days
Orbital elements:
2019 LP4 Earth MOID = 0.4652 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 63.18617 (2000.0) P Q
n 0.26652592 Peri. 96.62516 -0.74273112 +0.51363399
a 2.3913497 Node 115.11982 -0.62387056 -0.76383111
e 0.4975360 Incl. 28.32303 +0.24317898 -0.39082241
P 3.70 H 19.59 G 0.15 U 1
Residuals in seconds of arc
190108 F51 0.1+ 0.2+ 190608 I52 (1.5+ 0.1+) 190620 F51 0.1- 0.1+
190108 F51 0.0 0.1+ 190608 I52 0.2- 0.9- 190620 F51 0.0 0.0
190108 F51 0.1- 0.0 190608 I52 0.6- 0.3- 190624 G96 0.0 0.2+
190117 F52 0.1- 0.1+ 190608 I52 0.1- 0.3- 190624 G96 0.1- 0.2+
190117 F52 0.1+ 0.1- 190608 734 (0.3- 1.2+) 190624 G96 0.1+ 0.0
190117 F52 0.1+ 0.1- 190608 734 (0.0 1.7-) 190624 G96 0.1- 0.2+
190117 F52 0.1- 0.0 190608 734 0.1+ 0.0 190627 I52 0.0 0.3-
190120 F51 0.0 0.4+ 190608 L01 0.0 0.7+ 190627 I52 0.5+ 0.5-
190125 F52 0.1- 0.3- 190608 L01 0.9- 0.8+ 190627 I52 0.2- 0.2-
190125 F52 0.0 0.1- 190608 K88 0.6+ 0.3- 190627 I52 0.1+ 0.1-
190125 F52 0.1+ 0.2+ 190608 L01 0.2+ 0.3- 190701 F51 0.1+ 0.1-
190125 F52 0.1- 0.1- 190608 K88 0.2- 0.0 190701 F51 0.0 0.3+
190127 F51 0.2- 0.1- 190609 F51 0.1- 0.2+ 190701 F51 0.1+ 0.0
190127 F51 0.0 0.0 190609 F51 0.0 0.1+ 190701 F51 0.0 0.2+
190127 F51 0.1- 0.2- 190610 734 0.2- 0.8+ 190724 F52 0.2- 0.4+
190127 F51 0.0 0.0 190610 734 0.3+ 0.4+ 190724 F52 0.0 0.1-
190521 F51 0.3- 0.1+ 190610 I41 0.0 0.5- 190724 F52 0.1+ 0.2+
190521 F51 0.2- 0.1+ 190610 734 (1.7- 0.9+) 190724 F52 0.1- 0.0
190521 F51 0.1- 0.1+ 190610 I41 (0.0 0.5-) 190724 F52 0.2+ 0.1+
190604 I41 0.1+ 0.4- 190610 I41 0.2+ 0.4- 190724 F52 0.3- 0.2+
190604 I41 (0.0 0.5-) 190610 I41 (0.4+ 0.5-) 190804 F51 0.0 0.1-
190604 I41 0.1+ 0.2- 190611 F51 0.1+ 0.2+ 190804 F51 0.1- 0.0
190606 I41 (0.2- 0.7-) 190611 F51 0.0 0.1+ 190804 F51 0.0 0.0
190606 I41 (0.2- 0.6-) 190611 F51 0.1- 0.1+ 190804 F51 0.5+ 0.5-
190606 I41 0.4+ 0.5- 190613 I52 0.2- 0.7- 190820 F51 0.0 0.2+
190607 I41 0.4+ 0.1- 190613 I52 0.1- 0.1+ 190820 F51 0.0 0.0
190607 I41 0.2+ 0.5- 190613 I52 0.8+ 0.0 190820 F51 0.2+ 0.1-
190607 I41 0.4+ 0.4- 190613 I52 0.2- 0.0 190820 F51 0.2+ 0.0
190607 I41 0.2+ 0.6- 190613 F51 0.1+ 0.1+ 230716 F51 0.0 0.4-
190607 I41 0.2+ 0.5- 190614 H21 0.0 0.0 230716 F51 0.0 0.0
190607 I93 0.6- 0.1- 190614 H21 0.3+ 0.3+ 230716 F51 0.2- 0.1-
190607 I93 0.2- 0.2- 190614 H21 0.2+ 0.1+ 230716 F51 0.1- 0.2+
190607 I93 0.4- 0.1- 190615 I52 0.1- 0.1- 230727 F51 0.0 0.0
190608 H21 0.0 0.1- 190615 I52 0.4- 0.3- 230727 F51 0.3- 0.1-
190608 H21 0.3- 0.1- 190615 I52 0.3- 0.1- 230727 F51 0.3+ 0.3+
190608 H21 0.1+ 0.1+ 190620 F51 0.0 0.0 230727 F51 0.2+ 0.0
Ephemeris:
2019 LP4 a,e,i = 2.39, 0.50, 28 q = 1.2016
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 06 30 22 54 57.3 -20 47 20 1.2713 1.9840 119.8 26.4 22.8
...
2023 07 15 22 53 55.2 -26 06 10 1.2335 2.0771 134.6 20.4 22.6
...
2023 07 23 22 49 41.2 -29 07 19 1.2299 2.1260 142.2 17.0 22.6
...
2023 07 29 22 44 55.2 -31 21 08 1.2366 2.1622 147.4 14.7 22.5
2023 07 30 22 44 00.3 -31 42 54 1.2386 2.1682 148.1 14.3 22.5
2023 07 31 22 43 03.4 -32 04 28 1.2408 2.1742 148.9 14.0 22.5
...
2023 08 06 22 36 45.3 -34 08 29 1.2593 2.2099 152.6 12.2 22.5
...
2023 08 14 22 27 04.2 -36 34 35 1.2983 2.2569 154.9 11.0 22.6
...
2023 08 29 22 07 48.7 -39 48 51 1.4159 2.3430 149.5 12.6 22.9
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-O121
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