MPEC 2021-D63 : 2016 LS51 = 2021 CQ3
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M.P.E.C. 2021-D63 Issued 2021 February 19, 20:12 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 2016 LS51 = 2021 CQ3 Revision to 2021-C144 Additional Observations: K16L51S C2017 02 25.54391613 50 46.149-00 41 37.97 21.93GVED063F51 K16L51S C2017 02 25.55534113 50 45.322-00 41 32.85 21.73GVED063F51 K16L51S C2017 02 25.56680713 50 44.470-00 41 27.46 21.56GVED063F51 K16L51S C2017 03 05.52566113 40 21.214+00 23 00.91 22.38GVED063F51 K16L51S C2017 03 05.55115313 40 19.016+00 23 13.39 22.42GVED063F51 K16L51S C2017 03 05.56394713 40 17.911+00 23 20.06 22.29GVED063F51 K16L51S ZC2017 03 19.41871313 18 47.098+02 21 32.60 21.7 GVED063G96 K16L51S C2017 03 20.38728813 17 11.686+02 29 35.85 22.54GVED063F51 K16L51S C2017 03 20.40145013 17 10.277+02 29 43.44 23.07GVED063F51 K16L51S C2017 03 20.42977313 17 07.415+02 29 57.54 22.06GVED063F51 K16L51S C2017 03 26.54733613 07 00.074+03 18 52.42 22.70GVED063F51 K16L51S C2017 03 26.55861813 06 58.938+03 18 57.88 22.59GVED063F51 K16L51S ZC2017 03 29.34211813 02 25.138+03 39 44.00 21.9 GVED063G96 K16L51S C2017 03 29.41265213 02 18.356+03 40 15.21 22.41GVED063F51 K16L51S C2017 03 29.42618513 02 17.034+03 40 21.05 22.97GVED063F51 K16L51S C2017 03 29.43852313 02 15.806+03 40 26.15 23.15GVED063F51 K16L51S ZC2017 04 03.36331512 54 22.874+04 14 11.38 22.0 GVED063G96 K16L51S C2017 04 03.46820712 54 13.039+04 14 53.53 22.27GVED063F51 K16L51S C2017 04 03.48209512 54 11.727+04 14 58.97 22.98GVED063F51 K16L51S C2017 04 03.49602512 54 10.402+04 15 04.22 22.09GVED063F51 K16L51S C2017 04 03.50996812 54 09.055+04 15 09.81 22.71GVED063F51 K16L51S C2017 04 16.30760112 35 49.617+05 21 37.95 22.79GVED063F51 K16L51S C2017 04 16.31963912 35 48.668+05 21 40.74 22.95GVED063F51 K16L51S C2017 04 16.33169012 35 47.733+05 21 43.44 22.73GVED063F51 K16L51S C2017 04 16.34373612 35 46.762+05 21 46.30 22.68GVED063F51 K16L51S C2017 04 20.36898612 30 51.881+05 35 52.23 22.20GVED063F51 K16L51S C2017 04 20.37969212 30 51.124+05 35 53.76 23.41GVED063F51 K16L51S C2020 06 14.35628815 59 23.292-31 31 52.70 21.95GVED063F51 K16L51S C2020 06 14.36663415 59 22.035-31 31 50.56 23.35GVED063F51 K16L51S C2020 06 21.30650915 46 00.466-31 02 43.26 22.70GVED063F51 K16L51S C2020 06 21.31879215 45 59.062-31 02 39.54 22.32GVED063F51 K16L51S C2020 06 21.33110615 45 57.660-31 02 35.98 22.17GVED063F51 K16L51S C2020 06 21.34341015 45 56.242-31 02 32.40 22.38GVED063F51 Observer details: F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, A. Schultz, M. Willman. Measurers S. Chastel, M. Huber, Y. Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD. G96 Mt. Lemmon Survey. Observers G. J. Leonard, R. G. Matheny. Measurers M. Micheli, B. Gray. 1.5-m reflector + CCD. Orbital elements: 2016 LS51 = 2021 CQ3 Earth MOID = 0.1965 AU Id. A. Lowe Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres M 3.48354 (2000.0) P Q n 0.23607260 Peri. 1.46023 +0.75825288 -0.63791470 a 2.5928198 Node 39.26177 +0.59598555 +0.59452355 e 0.8548378 Incl. 12.27976 +0.26429868 +0.48949626 P 4.18 H 19.0 G 0.15 U 1 Residuals in seconds of arc 160611 F51 0.5- 0.1- 170403 F51 0.1+ 0.0 210207 807 0.6- 0.6- 160611 F51 0.2+ 0.1+ 170416 F51 0.2+ 0.0 210207 807 0.7- 0.0 160611 F51 0.1- 0.1+ 170416 F51 0.1+ 0.0 210207 807 0.5- 0.7+ 160611 F51 0.2+ 0.2+ 170416 F51 0.3+ 0.2- 210207 I52 0.0 0.3+ 160612 474 0.3+ 0.0 170416 F51 0.1- 0.1- 210207 I52 0.3+ 0.0 160612 474 0.4- 0.1- 170420 F51 0.2- 0.1+ 210207 I52 0.1+ 0.2+ 160612 474 0.1- 0.2+ 170420 F51 0.0 0.4- 210207 I52 0.2+ 0.1- 170225 F51 0.0 0.1+ 200614 F51 0.1+ 0.1+ 210208 I52 0.0 0.1+ 170225 F51 0.1+ 0.1- 200614 F51 0.0 0.0 210208 I52 0.2- 0.2- 170225 F51 0.1- 0.0 200621 F51 0.1- 0.3- 210208 I52 0.2+ 0.0 170305 F51 0.3- 0.2+ 200621 F51 0.0 0.1- 210209 I52 0.0 0.4- 170305 F51 0.1+ 0.1- 200621 F51 0.1+ 0.0 210209 I52 0.2+ 0.2- 170305 F51 0.3+ 0.1+ 200621 F51 0.0 0.1+ 210209 I52 0.1+ 0.2+ 170319 G96 0.6+ 0.9+ 210206 G96 0.4+ 0.1- 210209 I52 0.5- 0.2+ 170320 F51 0.1- 0.5- 210206 G96 0.0 0.3+ 210211 J04 0.2- 0.1+ 170320 F51 0.1+ 0.1+ 210206 G96 0.2- 0.6+ 210211 J04 0.2+ 0.2+ 170320 F51 0.0 0.1+ 210206 G96 0.3- 0.5- 210211 J04 0.0 0.0 170326 F51 0.1+ 0.0 210206 G96 0.2+ 0.1- 210212 F52 0.0 0.2+ 170326 F51 0.1+ 0.3+ 210206 G96 0.4+ 0.2+ 210212 F52 0.1- 0.2+ 170329 G96 0.4- 0.7+ 210206 G96 0.1+ 0.3+ 210212 F52 0.2+ 0.1+ 170329 F51 0.4- 0.2+ 210206 G96 0.1- 0.1+ 210212 F52 0.0 0.1+ 170329 F51 0.0 0.1+ 210206 I52 0.2+ 0.3+ 210217 I52 0.2- 0.2- 170329 F51 0.0 0.1- 210206 I52 0.1+ 0.1- 210217 I52 0.6- 0.3+ 170403 G96 0.1+ 0.9- 210206 I52 0.2- 0.0 210217 I52 0.1- 0.8- 170403 F51 0.2- 0.2- 210207 I93 0.1+ 0.2+ 210217 I52 0.0 0.4+ 170403 F51 0.1+ 0.1- 210207 I93 0.0 0.4- 170403 F51 0.3+ 0.2- 210207 I93 0.5- 0.6+ Ephemeris: 2016 LS51 a,e,i = 2.59, 0.85, 12 q = 0.3764 Date TT R. A. (2000) Decl. Delta r Elong. Phase V 2021 01 20 14 52 28.6 +01 54 05 0.6927 1.1035 80.3 61.5 20.6 ... 2021 02 04 14 26 11.8 +05 32 36 0.7130 1.3321 102.1 46.3 20.6 ... 2021 02 12 14 07 56.7 +07 42 37 0.7235 1.4466 114.6 38.3 20.6 ... 2021 02 18 13 52 07.2 +09 22 38 0.7359 1.5294 124.4 32.2 20.6 2021 02 19 13 49 19.5 +09 39 09 0.7385 1.5429 126.0 31.2 20.6 2021 02 20 13 46 29.4 +09 55 34 0.7414 1.5564 127.6 30.2 20.6 ... 2021 02 26 13 28 47.6 +11 30 21 0.7633 1.6359 137.5 24.2 20.6 ... 2021 03 06 13 04 17.2 +13 20 05 0.8074 1.7384 149.9 16.6 20.6 ... 2021 03 21 12 21 28.7 +15 27 37 0.9443 1.9206 163.6 8.4 20.9 M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-D63


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