MPEC 2023-Q154 : 2020 LD3
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M.P.E.C. 2023-Q154 Issued 2023 August 28, 14:05 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
2020 LD3
Revision to MPEC 2020-P48
Additional Observations:
K20L03D KC2017 10 30.61897710 13 33.086+11 41 02.80 22.48GVEQ154F51
K20L03D KC2017 12 30.54064410 40 54.050-11 49 30.93 22.28GVEQ154F51
K20L03D 0C2023 08 10.27672616 15 47.407-19 30 12.59 22.87GVEQ154T12
K20L03D 0C2023 08 11.25734316 15 41.908-19 12 08.46 22.93GVEQ154T12
K20L03D 0C2023 08 11.26544416 15 41.844-19 11 59.56 23.34GVEQ154T12
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.
T12 University of Hawaii 88-inch telescope, Maunakea. Observers D. J. Tholen,
D. Hung. Measurer D. J. Tholen. 2.24-m f/10.1 reflector + 2112 x 2112
pixels STA1600 10k CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
171030 F51 0.6+ 3.6+ 230811 T12 2.5+ 2.4+ MPO750185 +0.05 days
Orbital elements:
2020 LD3 Earth MOID = 0.1186 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 338.76706 (2000.0) P Q
n 0.31734519 Peri. 103.86678 +0.83518666 -0.41543050
a 2.1287015 Node 281.72169 +0.24141979 +0.86571985
e 0.6013595 Incl. 21.59635 +0.49414546 +0.27918927
P 3.11 H 20.59 G 0.15 U 1
Residuals in seconds of arc
171030 F51 0.2+ 0.1- 200811 033 0.2- 0.4- 201217 I52 0.3- 0.5+
171230 F51 0.2+ 0.3+ 200811 C95 0.4- 0.1+ 201217 I52 0.1+ 0.0
200615 F51 0.1- 0.1- 200811 C95 0.7- 1.1+ 201217 I52 0.1- 0.1+
200615 F51 0.0 0.2+ 200811 L01 0.2- 0.1- 201217 I52 0.4+ 0.0
200615 F51 0.2+ 0.1- 200811 L01 0.2+ 0.3+ 201220 G96 0.6- 0.2+
200615 F51 0.0 0.1+ 200811 C95 0.7- 0.6+ 201220 G96 0.2- 0.5+
200811 G96 0.3- 0.2+ 200814 F52 0.2+ 0.0 201220 G96 0.3+ 0.3-
200811 G96 0.1+ 0.1- 200814 F52 0.2+ 0.3- 201220 G96 1.0- 0.3-
200811 G96 0.0 0.2+ 200814 F52 0.2+ 0.1+ 201222 F52 0.1+ 0.1-
200811 G96 0.3- 0.0 200814 F52 0.0 0.1+ 201222 F52 0.0 0.0
200811 I52 0.2- 0.4- 200819 F52 0.1+ 0.2+ 201222 F52 0.0 0.0
200811 I52 0.0 0.0 200819 F52 0.1- 0.0 201222 F52 0.0 0.0
200811 I52 0.3- 0.2+ 200819 F52 0.1+ 0.2+ 210113 807 0.3+ 0.0
200811 G96 0.0 0.0 200819 F52 0.0 0.0 210113 807 0.1+ 0.1+
200811 I52 0.2+ 0.4- 200910 I52 0.5+ 0.3+ 210113 807 0.0 0.1+
200811 G96 0.1- 0.1- 200910 I52 0.4+ 0.1+ 210113 G96 0.3+ 0.2-
200811 G96 0.1+ 0.2- 200910 I52 0.4- 0.3+ 210113 G96 0.1+ 0.1-
200811 I52 0.7- 0.2+ 200910 I52 0.5+ 0.9+ 210113 G96 0.2+ 0.1+
200811 I52 0.0 0.2- 201112 I52 0.4- 0.6- 210113 G96 0.1+ 0.4+
200811 I52 0.2+ 0.5+ 201112 I52 0.3+ 0.1- 210114 807 0.2- 0.0
200811 I52 0.2- 0.5- 201112 I52 0.1+ 0.1- 210114 807 0.1+ 0.2+
200811 033 0.1- 0.3- 201205 V06 0.3- 0.1- 210114 807 0.3+ 0.3+
200811 033 0.4- 0.2- 201205 V06 0.1+ 0.1+ 230810 T12 0.0 0.1+
200811 033 0.2- 0.3- 201205 V06 0.1- 0.2- 230811 T12 0.0 0.1+
200811 033 0.3- 0.5- 201205 V06 0.9+ 1.3+ 230811 T12 0.1+ 0.1+
Ephemeris:
2020 LD3 a,e,i = 2.13, 0.60, 22 q = 0.8486
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 07 29 16 21 30.4 -23 33 03 0.8599 1.6432 122.2 31.5 22.7
...
2023 08 13 16 15 39.7 -18 40 28 0.8841 1.5138 105.6 40.1 22.8
...
2023 08 21 16 17 27.9 -16 23 48 0.8987 1.4435 98.0 44.0 22.8
...
2023 08 27 16 20 47.6 -14 49 26 0.9082 1.3904 92.7 46.6 22.9
2023 08 28 16 21 29.9 -14 34 17 0.9096 1.3815 91.9 47.0 22.9
2023 08 29 16 22 14.7 -14 19 18 0.9109 1.3726 91.1 47.4 22.9
...
2023 09 04 16 27 33.2 -12 52 01 0.9169 1.3194 86.4 49.7 22.9
...
2023 09 12 16 36 41.1 -11 00 51 0.9196 1.2488 80.7 52.7 22.8
...
2023 09 27 16 59 21.4 -07 35 08 0.9030 1.1201 71.8 58.2 22.7
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