Electronic Telegram No. 5586 Central Bureau for Astronomical Telegrams Mailing address: Hoffman Lab 209; Harvard University; 20 Oxford St.; Cambridge, MA 02138; U.S.A. e-mail: cbatiau@eps.harvard.edu (alternate cbat@iau.org) URL http://www.cbat.eps.harvard.edu/index.html Prepared using the Tamkin Foundation Computer Network NEW NUMBERINGS OF SHORT-PERIOD COMETS Further to CBET 5386, the following permanent numbers have been assigned to short-period comets based upon their being securely observed at multiple returns to perihelion. Discovery/Recovery Designation/Name Provisional Designations Reference 484P/Spacewatch P/2005 XR_132 CBET 5360 485P/Sheppard-Tholen P/2022 U6 = P/2006 AH_2 CBET 5387 486P/Leonard P/2018 L5 = P/2024 H1 CBET 5400 487P/Siding Spring P/2012 US_27 = P/2024 N5 CBET 5422 488P/NEAT-PANSTARRS P/2024 N6 = P/2002 QU_151 CBET 5427 489P/Denning P/1894 F1 = P/2007 HE_4 CBET 5425 490P/ATLAS P/2019 M2 = P/2024 C6 CBET 5433 491P/Spacewatch-PANSTARRS P/2014 MG_4 = P/2024 K2 CBET 5431 492P/LINEAR P/2010 WK = P/2010 PB_57 = P/2024 O3 CBET 5436 493P/LONEOS P/2005 SB_216 = P/2024 Q2 CBET 5439 494P/PANSTARRS P/2024 N2 = P/2010 T8 = P/2017 R2 CBET 5411 495P/Christensen P/2016 A2 = P/2024 RU_145 CBET 5463 496P/Hill P/2024 S3 = P/2010 A3 CBET 5466 497P/Spacewatch-PANSTARRS P/2024 T4 = P/2011 UA_134 CBET 5464 498P/LINEAR P/2015 CD_60 CBET 5489 499P/Catalina P/2019 Y3 = P/2025 A5 CBET 5504 500P/PANSTARRS P/2019 A8 = P/2025 B3 CBET 5516 501P/Rankin P/2024 L4 = P/2014 N4 = P/2017 B6 CBET 5523 502P/NEAT P/2003 QX_29 = P/2025 H1 CBET 5547 503P/PANSTARRS P/2018 L1 = P/2025 F3 = P/2011 F2 CBET 5554 NOTE: These 'Central Bureau Electronic Telegrams' are sometimes superseded by text appearing later in the printed IAU Circulars. (C) Copyright 2025 CBAT 2025 July 19 (CBET 5586) Daniel W. E. Green