MPEC 2023-F109 : 2021 LD44
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M.P.E.C. 2023-F109 Issued 2023 March 22, 20:27 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 2021 LD44 Additional Observations: K21L44D 3C2020 05 26.44301 19 08 45.933-20 48 45.71 24.8 rVEF109266 K21L44D 3C2020 05 26.50149 19 08 45.704-20 48 45.99 24.8 rVEF109266 K21L44D 3C2020 05 26.55599 19 08 45.489-20 48 46.23 24.8 rVEF109266 K21L44D 3C2020 05 29.44698 19 08 34.090-20 48 59.81 24.2 rVEF109266 K21L44D 3C2020 05 29.53371 19 08 33.731-20 49 00.24 24.2 rVEF109266 K21L44D 3C2020 05 29.61905 19 08 33.377-20 49 00.65 24.2 rVEF109266 K21L44D 3C2020 05 31.44139 19 08 25.888-20 49 09.81 24.2 rVEF109266 K21L44D 3C2020 05 31.52961 19 08 25.511-20 49 10.28 24.2 rVEF109266 K21L44D 3C2020 05 31.61814 19 08 25.132-20 49 10.73 24.2 rVEF109266 Observer details: 266 New Horizons KBO Search-Subaru. Observers J. J. Kavelaars, W. E. Fraser, S. B. Porter, T. Terai, A. Verbiscer, F. Yoshida. Measurers R. Leiva, J. Spencer, T. Lauer, S. Benecchi, K. Singer, F. Glass, M. Skrutskie, A. Alexander, P. Hong, H. Reitsema, E. Lin, P. Lykawka, T. Ito, R. Marschall, A. Simpson, M. Banks, R. Ishimaru, T. Holt, M. Postman, C. Olkin, F. Yoshida, K. Arimatsu, V. Bray, A. Stern, R. Rufu, H. Throop, C. Ferrell, P. Quirico, P. Johnson, R. Elmaarry, D. Gerdes, J. Nunez, P. Schenk, K. Runyon, N. Martin, A. Steffl, V. Klein, M. Horanyi, C. Hersman, A. Roos, J. Stansberry, A. Rhodens, S. Gwyn. 8.2m Subaru Telescope + CCD. Orbital elements: 2021 LD44 Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Alexandersen M 78.09919 (2000.0) P Q n 0.00398293 Peri. 316.53274 -0.99760613 -0.06616254 a 39.4155325 Node 219.68686 +0.06886965 -0.92432402 e 0.3018850 Incl. 1.80486 +0.00624295 -0.37582926 P 247 H 8.53 G 0.15 U 7 Residuals in seconds of arc 200526 266 0.0 0.0 200531 266 0.0 0.0 210705 266 0.0 0.0 200526 266 0.0 0.0 210609 266 0.0 0.0 210705 266 0.1- 0.0 200526 266 0.0 0.0 210609 266 0.0 0.0 210705 266 0.1- 0.0 200529 266 0.0 0.0 210609 266 0.0 0.0 210705 266 0.0 0.0 200529 266 0.0 0.0 210617 266 0.0 0.0 210705 266 0.0 0.0 200529 266 0.0 0.0 210617 266 0.0 0.0 210906 266 0.0 0.0 200531 266 0.0 0.0 210617 266 0.0 0.0 210906 266 0.0 0.0 200531 266 0.0 0.0 210705 266 0.1- 0.0 210906 266 0.0 0.0 Ephemeris: 2021 LD44 a,e,i = 39.42, 0.30, 2 q = 27.5166 Date TT R. A. (2000) Decl. Delta r Elong. Phase V 2023 02 20 19 24 11.2 -20 21 25 41.2547 40.5149 41.1 0.9 24.8 ... 2023 03 07 19 25 25.9 -20 18 22 41.0753 40.5269 55.9 1.2 24.8 ... 2023 03 15 19 25 58.1 -20 16 56 40.9637 40.5333 63.7 1.3 24.8 ... 2023 03 21 19 26 18.4 -20 15 59 40.8743 40.5381 69.6 1.3 24.8 2023 03 22 19 26 21.5 -20 15 50 40.8591 40.5389 70.6 1.3 24.8 2023 03 23 19 26 24.4 -20 15 42 40.8437 40.5397 71.6 1.3 24.8 ... 2023 03 29 19 26 40.1 -20 14 54 40.7496 40.5445 77.5 1.4 24.8 ... 2023 04 06 19 26 55.2 -20 14 00 40.6209 40.5509 85.3 1.4 24.8 ... 2023 04 21 19 27 05.6 -20 12 58 40.3774 40.5629 99.9 1.4 24.8 M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-F109


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