MPEC 2021-G221 : 2011 FB29
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M.P.E.C. 2021-G221 Issued 2021 April 15, 14:46 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 2011 FB29 Revision to MPEC 2011-F59 Additional Observations: K11F29B |C2021 04 13.40743 20 03 48.87 -11 17 04.1 21.9 GVEG221807 K11F29B |C2021 04 13.41112 20 03 49.78 -11 17 03.6 21.8 GVEG221807 K11F29B |C2021 04 14.39335 20 07 50.44 -11 12 30.0 22.0 GVEG221807 K11F29B |C2021 04 14.39741 20 07 51.41 -11 12 28.8 21.8 GVEG221807 K11F29B |C2021 04 14.40166 20 07 52.44 -11 12 27.6 21.7 GVEG221807 Observer details: 807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes. 1.00-m f/10.0 astrograph + CCD. First and last observations above in comparison with prediction: Residuals in seconds of arc, reference and Delta-T 210413 807 95.1+ 19.1+ 210414 807 94.3+ 18.8+ MPO554333 +0.03 days Orbital elements: 2011 FB29 Earth MOID = 0.1624 AU Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres M 323.83237 (2000.0) P Q n 0.29839652 Peri. 135.80585 -0.43101031 +0.89405319 a 2.2178911 Node 108.31317 -0.85944489 -0.36553038 e 0.4802541 Incl. 7.38715 -0.27492653 -0.25895256 P 3.30 H 20.25 G 0.15 U 0 Residuals in seconds of arc 110330 703 0.2+ 2.8+ 110404 807 0.3- 0.1- 110502 A24 0.4- 0.1+ 110330 703 0.0 0.8+ 110404 807 0.3- 0.1- 110508 113 0.3- 0.2+ 110330 703 1.1+ 2.0+ 110405 300 (0.3- 2.6+) 110508 113 0.0 0.1- 110330 703 1.4+ 2.6+ 110405 300 (0.0 1.8+) 110508 204 0.1- 0.2+ 110330 G96 0.1+ 0.3+ 110405 300 (0.7- 2.6+) 110508 204 0.2- 0.1+ 110330 G96 0.1- 0.0 110406 807 0.2- 0.2- 110508 204 0.1- 0.0 110330 G96 0.3+ 0.4+ 110406 807 0.0 0.3+ 110508 H21 0.0 0.2+ 110330 G96 0.2- 0.2+ 110406 807 0.0 0.0 110508 H21 0.2- 0.1+ 110330 291 0.3- 0.3+ 110406 H21 0.4- 0.2- 110508 H21 0.1- 0.0 110330 291 0.2- 0.3- 110406 H21 0.1+ 0.1- 110513 204 0.0 0.2+ 110330 703 2.0- 0.0 110406 H21 0.2+ 0.4+ 110513 204 0.1+ 1.0- 110330 291 0.5- 0.0 110409 157 0.1+ 0.1+ 110516 807 0.1- 0.2- 110330 703 0.9- 0.2+ 110409 157 0.4+ 0.1+ 110516 807 0.1- 0.2- 110330 703 1.9- 0.9+ 110409 A17 0.2+ 0.3+ 110516 807 0.1- 0.2- 110330 300 0.9+ 0.3+ 110409 A17 0.2+ 0.1+ 110516 807 0.0 0.3- 110330 300 0.1- 0.3+ 110409 A17 0.5+ 0.4+ 110516 807 0.1+ 0.2- 110330 300 0.0 0.7+ 110413 703 0.0 0.1+ 110610 448 0.4- 0.3+ 110330 300 0.6+ 0.8+ 110413 703 0.3- 0.2+ 110610 448 0.5+ 0.7- 110331 807 0.1- 0.1- 110413 703 0.8- 1.0+ 110610 448 (0.9- 1.3-) 110331 807 0.3- 0.3- 110413 703 0.0 0.4+ 110610 448 0.3+ 0.5- 110331 807 0.2- 0.2- 110415 F65 0.2+ 0.2+ 110613 H47 0.0 0.2+ 110331 H21 0.2- 0.5+ 110415 F65 0.2+ 0.1+ 110613 H47 0.4- 0.4+ 110331 H21 0.1+ 0.2+ 110415 F65 0.1+ 0.1+ 110613 H47 0.3+ 0.1+ 110331 H21 0.4+ 0.1- 110415 F65 0.4+ 0.2+ 110621 H21 0.4- 0.1+ 110331 G96 0.1+ 0.1+ 110416 807 0.4- 0.1- 110621 H21 0.0 0.2- 110331 G96 0.1+ 0.2+ 110416 807 0.3- 0.2- 110621 H21 0.1+ 0.6- 110331 G96 0.1+ 0.0 110416 807 0.3- 0.2- 110624 704 0.2- 0.5+ 110331 G96 0.4+ 0.3+ 110416 807 0.4- 0.1- 110624 704 0.5+ 0.1- 110331 291 0.3- 0.3- 110417 448 0.1- 0.4+ 110624 704 0.2- 0.1+ 110331 291 0.4- 0.2- 110417 448 0.1+ 0.3+ 110624 704 0.9- 1.1- 110331 291 0.4- 0.1- 110417 448 0.3+ 0.4+ 110624 704 0.4- 0.2- 110402 H36 0.3+ 0.2- 110419 807 0.1+ 0.2+ 110625 704 0.5+ 0.4- 110402 H21 1.1+ 0.0 110419 807 0.2+ 0.2+ 110625 704 0.5+ 0.2- 110402 H36 0.3+ 0.2- 110419 807 0.1+ 0.1+ 110625 704 0.2+ 0.4+ 110402 H21 0.7- 1.0+ 110419 807 0.1+ 0.1+ 110625 704 0.3+ 0.1+ 110402 H36 0.4+ 0.1- 110419 807 0.1+ 0.1+ 110711 H21 (1.7+ 0.9+) 110402 H21 0.5+ 0.7- 110419 807 0.4- 0.3+ 110711 H21 1.2+ 0.4+ 110402 H21 0.1- 0.1- 110419 807 0.1+ 0.1+ 110711 H21 1.4+ 0.5+ 110402 H21 0.1- 0.0 110421 H21 0.1+ 0.0 110712 807 0.0 0.0 110402 H21 0.1+ 0.0 110421 H21 0.1- 0.1- 110712 807 0.1- 0.0 110402 H21 0.3+ 0.0 110421 H21 0.0 0.2- 110712 807 0.1- 0.1+ 110402 448 0.1- 0.1+ 110421 H21 0.1+ 0.2+ 110712 807 0.2- 0.1+ 110402 448 0.3+ 0.1+ 110421 H21 0.1- 0.1- 110722 807 (0.0 0.6-) 110402 448 0.5+ 0.3+ 110424 A17 0.3+ 0.3+ 110722 807 (0.0 0.5-) 110402 448 0.2+ 0.5- 110424 A17 0.0 0.1- 110722 807 (0.0 0.8-) 110403 807 0.1- 0.0 110424 A17 0.2+ 0.1- 110722 807 (0.2- 0.5-) 110403 807 0.3- 0.1+ 110426 A17 0.1+ 0.3+ 110728 F51 0.0 0.0 110403 807 0.0 0.0 110426 A17 0.1+ 0.6+ 110728 F51 0.0 0.1- 110403 807 0.2- 0.0 110426 A17 0.1+ 0.3+ 110728 F51 0.0 0.0 110404 157 0.3+ 0.1+ 110426 807 0.1+ 0.2+ 110728 F51 0.0 0.0 110404 157 0.7+ 0.1+ 110426 807 0.0 0.1+ 110801 F51 0.1- 0.1- 110404 J18 0.2+ 0.1+ 110426 807 0.0 0.1+ 110801 F51 0.1- 0.2- 110404 J18 0.6+ 0.3- 110426 807 0.0 0.0 210413 807 0.0 0.2+ 110404 807 0.3- 0.2- 110430 H21 0.2- 0.2+ 210413 807 0.3+ 0.3- 110404 807 0.4- 0.1- 110430 H21 0.1- 0.0 210414 807 0.1- 0.0 110404 807 0.0 0.2+ 110430 H21 0.1+ 0.1+ 210414 807 0.2- 0.1+ 110404 807 0.3- 0.0 110502 A24 0.4- 0.5- 210414 807 0.0 0.1+ Ephemeris: 2011 FB29 a,e,i = 2.22, 0.48, 7 q = 1.1527 Date TT R. A. (2000) Decl. Delta r Elong. Phase V 2021 03 16 17 59 39.6 -12 10 06 0.7644 1.2061 85.5 55.3 22.1 ... 2021 03 31 19 06 39.1 -12 04 03 0.7245 1.1684 83.8 58.2 22.0 ... 2021 04 08 19 41 15.2 -11 39 50 0.7137 1.1572 83.1 59.2 22.0 ... 2021 04 14 20 06 13.7 -11 14 25 0.7093 1.1533 82.8 59.6 22.0 2021 04 15 20 10 17.7 -11 09 42 0.7088 1.1530 82.7 59.7 22.0 2021 04 16 20 14 19.8 -11 04 53 0.7084 1.1528 82.7 59.7 22.0 ... 2021 04 22 20 37 53.5 -10 34 03 0.7071 1.1539 82.8 59.8 22.0 ... 2021 04 30 21 07 27.2 -09 49 53 0.7078 1.1614 83.3 59.5 22.0 ... 2021 05 15 21 56 40.4 -08 29 44 0.7118 1.1928 85.8 57.7 22.0 A. U. Tomatic (C) Copyright 2021 MPC M.P.E.C. 2021-G221


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