MPEC 2023-M34 : 2018 LD3
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M.P.E.C. 2023-M34 Issued 2023 June 18, 10:56 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
2018 LD3
Revision to MPEC 2018-L49
Additional Observations:
K18L03D C2023 06 17.40686515 27 28.676+17 36 22.82 21.15wXEM034F52
K18L03D C2023 06 17.41909615 27 23.372+17 34 35.69 20.95wXEM034F52
K18L03D C2023 06 17.43131915 27 18.033+17 32 47.66 20.87wXEM034F52
K18L03D C2023 06 17.49316515 26 51.389+17 23 39.08 20.73GVEM034F51
K18L03D C2023 06 17.49397815 26 51.049+17 23 32.00 20.74GVEM034F51
K18L03D bC2023 06 17.89043615 24 10.68 +16 23 46.6 21.0 GVEM034L01
K18L03D bC2023 06 17.89349515 24 09.26 +16 23 17.3 21.0 GVEM034L01
K18L03D bC2023 06 17.89680215 24 07.76 +16 22 46.7 20.6 GVEM034L01
K18L03D KC2023 06 17.98572 15 23 28.69 +16 09 01.6 20.1 RVEM034K51
K18L03D KC2023 06 17.99118 15 23 26.31 +16 08 10.7 20.5 RVEM034K51
K18L03D KC2023 06 17.99659 15 23 23.96 +16 07 20.4 19.7 RVEM034K51
K18L03D KC2023 06 18.12328815 22 33.74 +15 47 49.0 20.8 VuEM034H21
K18L03D KC2023 06 18.13168415 22 29.94 +15 46 29.9 20.7 VuEM034H21
K18L03D KC2023 06 18.13578615 22 28.11 +15 45 51.3 20.8 VuEM034H21
K18L03D C2023 06 18.22445215 21 50.241+15 32 00.14 20.7 GVEM034654
K18L03D C2023 06 18.23221615 21 46.721+15 30 46.36 20.7 GVEM034654
K18L03D C2023 06 18.29191715 21 19.570+15 21 15.86 20.7 GVEM034654
K18L03D C2023 06 18.29993615 21 15.933+15 19 58.92 20.7 GVEM034654
Observer details:
654 Table Mountain Observatory, Wrightwood-PHMC. Observers N. Evans, P. Choi,
N. Saini, C. Zhai, R. Trahan, M. Shao. 1.0-m Reflector + CCD.
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.
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, T. Lowe, P. Minguez, A.
Schultz, I. Smith. Measurers K. Chambers, T. de Boer, J. Bulger, J.
Fairlamb, H. Gao, M. Huber, C.-C. Lin, T. Lowe, E. Magnier, P. Minguez, Y.
Ramanjooloo, A. Schultz, I. Smith, R. Wainscoat, R. Weryk. 1.8-m Ritchey-
Chretien + CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers T. Linder, R. Holmes, L. Horn. 0.76-m f/3.0 astrograph + CCD.
K51 Osservatorio del Celado, Castello Tesino. Observer M. Campestrin. 0.80-m
f/4 reflector + CCD.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector
+ CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
230617 F52 4.55+ 1.06+ 230618 654 4.51+ 1.27+ MPO451968 +0.65 days
Orbital elements:
2018 LD3 Earth MOID = 0.0453 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 265.97417 (2000.0) P Q
n 0.59037225 Peri. 220.60542 +0.58842125 +0.68895660
a 1.4072959 Node 89.90434 -0.58790018 +0.72389045
e 0.2836338 Incl. 25.03689 -0.55509803 -0.03635145
P 1.67 H 23.59 G 0.15 U 0
Residuals in seconds of arc
180608 G96 0.0 0.4+ 180619 I52 0.3+ 0.1+ 180621 E08 0.4+ 0.1+
180608 G96 0.2+ 0.3+ 180619 I52 0.0 0.1+ 180621 E08 0.1+ 0.1+
180608 G96 0.2- 0.0 180619 I52 0.1+ 0.2+ 180621 E08 0.5- 0.1-
180608 G96 0.4+ 1.1+ 180619 I52 0.2+ 0.1+ 180623 I52 0.6+ 0.0
180608 G96 0.6+ 0.2+ 180620 151 1.0- 0.2- 180623 I52 0.6- 0.3-
180608 G96 1.6+ 0.0 180620 246 0.6- 0.5+ 180623 I52 0.2+ 0.2-
180608 G96 0.8+ 1.2- 180620 246 1.4- 0.1+ 180623 I52 0.5+ 0.1+
180608 G96 0.1+ 0.2- 180620 151 0.5- 0.1+ 230617 F52 0.3- 0.0
180608 F51 0.1- 0.3- 180620 246 0.3+ 0.4+ 230617 F52 0.1+ 0.4+
180608 F51 0.1- 0.0 180620 151 0.2- 0.4+ 230617 F52 0.3- 0.0
180609 V06 0.1+ 0.1- 180620 246 0.4+ 0.0 230617 F51 0.1- 0.0
180609 V06 0.0 0.0 180620 246 0.3- 1.1+ 230617 F51 0.0 0.1+
180609 V06 0.1- 0.4- 180620 246 1.2+ 1.1+ 230617 L01 1.8+ 1.9+
180610 L01 0.2+ 0.2+ 180620 246 0.2- 1.5+ 230617 L01 0.9+ 0.7+
180610 L01 0.6+ 0.0 180620 A17 0.4+ 0.3+ 230617 L01 0.3+ 0.5+
180610 I52 0.2- 0.5- 180620 A17 0.1+ 0.2+ 230617 K51 0.2- 0.0
180610 I52 0.5- 0.5- 180620 160 0.5+ 0.4+ 230617 K51 0.1- 0.1+
180610 I52 0.4- 0.2+ 180620 160 0.2+ 0.1- 230617 K51 0.2+ 0.3+
180610 I52 0.2- 0.3+ 180620 160 0.2+ 0.5- 230618 H21 0.0 0.2-
180613 I52 0.6- 0.5- 180620 A17 0.3+ 0.1- 230618 H21 0.3- 0.5-
180613 I52 0.3- 0.0 180621 G40 0.7- 0.4- 230618 H21 0.1- 0.5-
180613 I52 0.0 0.3+ 180621 G40 0.1- 0.5- 230618 654 0.2- 0.2+
180618 595 0.5+ 0.1+ 180621 I52 0.3+ 0.2+ 230618 654 0.0 0.1+
180618 595 0.2- 0.3+ 180621 I52 0.1+ 0.3+ 230618 654 0.2- 0.0
180619 204 0.3+ 0.1+ 180621 I52 0.0 0.1- 230618 654 0.2- 0.2+
180619 204 0.6+ 0.2+ 180621 I52 0.1- 0.1+
Ephemeris:
2018 LD3 a,e,i = 1.41, 0.28, 25 q = 1.0081
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 05 19 17 05 02.2 +38 13 00 0.3230 1.2014 118.9 47.5 23.3
...
2023 06 03 16 34 37.6 +35 14 01 0.2113 1.1418 122.5 48.5 22.3
...
2023 06 11 16 04 02.2 +28 49 29 0.1553 1.1126 125.5 48.0 21.6
...
2023 06 17 15 30 14.7 +18 34 30 0.1186 1.0923 127.6 47.5 20.9
2023 06 18 15 23 25.5 +16 07 39 0.1133 1.0890 127.7 47.6 20.8
2023 06 19 15 16 12.8 +13 24 58 0.1084 1.0858 127.8 47.7 20.7
...
2023 06 25 14 23 39.8 -08 39 54 0.08860 1.0678 123.4 52.6 20.4
...
2023 07 03 12 46 54.7 -41 30 25 0.09851 1.0468 105.2 69.6 21.1
...
2023 07 18 09 38 18.4 -61 32 24 0.1823 1.0189 85.7 84.1 22.9
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-M34
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