MPEC 2023-O58 : 2023 OC1
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M.P.E.C. 2023-O58 Issued 2023 July 23, 11:18 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 2023 OC1 Observations: K23O01C*KC2023 07 21.15396 19 58 08.99 -24 06 54.2 18.7 GVEO058W94 K23O01C KC2023 07 21.16023 19 58 07.57 -24 06 10.9 18.8 GVEO058W94 K23O01C KC2023 07 21.16649 19 58 06.17 -24 05 27.4 VEO058W94 K23O01C KC2023 07 21.23900 19 57 49.81 -23 56 57.0 20.0 GVEO058X10 K23O01C KC2023 07 21.24454 19 57 48.55 -23 56 17.6 19.7 GVEO058X10 K23O01C KC2023 07 21.25010 19 57 47.36 -23 55 38.1 18.6 GVEO058X10 K23O01C KB2023 07 21.82471 19 55 56.82 -22 47 35.8 19.9 VZEO058M49 K23O01C KB2023 07 21.82846 19 55 56.02 -22 47 09.2 19.9 VZEO058M49 K23O01C KB2023 07 21.83220 19 55 55.14 -22 46 42.8 20.0 VZEO058M49 K23O01C KB2023 07 21.83899 19 55 53.71 -22 45 54.6 19.8 VZEO058M49 K23O01C KB2023 07 21.84273 19 55 52.87 -22 45 27.8 19.9 VZEO058M49 K23O01C KB2023 07 21.84646 19 55 52.02 -22 45 01.0 20.0 VZEO058M49 K23O01C KB2023 07 21.85356 19 55 50.46 -22 44 11.4 19.9 VZEO058M49 K23O01C KB2023 07 21.85729 19 55 49.66 -22 43 45.3 20.4 VZEO058M49 K23O01C KB2023 07 21.86101 19 55 48.79 -22 43 19.2 19.6 VZEO058M49 K23O01C KB2023 07 22.22051 19 54 35.64 -22 01 04.9 19.2 rZEO058H36 K23O01C KB2023 07 22.22826 19 54 33.97 -22 00 08.0 ZEO058H36 K23O01C KB2023 07 22.23599 19 54 32.22 -21 59 12.3 19.6 rZEO058H36 K23O01C C2023 07 22.23795519 54 33.180-21 58 53.49 20.1 GVEO058654 K23O01C C2023 07 22.24074919 54 32.552-21 58 33.42 20.1 GVEO058654 K23O01C C2023 07 22.33939019 54 10.666-21 46 39.63 20.3 GVEO058654 K23O01C C2023 07 22.34195619 54 10.102-21 46 21.15 20.3 GVEO058654 K23O01C C2023 07 22.44075519 53 50.548-21 34 12.06 20.29wXEO058F51 K23O01C C2023 07 22.45304419 53 47.781-21 32 41.89 20.70wXEO058F51 K23O01C C2023 07 22.46532519 53 45.019-21 31 12.67 21.03wXEO058F51 K23O01C KC2023 07 23.18398519 51 24.00 -20 03 07.7 20.9 VuEO058H21 K23O01C KC2023 07 23.18679119 51 23.36 -20 02 47.2 20.4 VuEO058H21 K23O01C KC2023 07 23.18959619 51 22.75 -20 02 26.5 20.5 VuEO058H21 K23O01C KC2023 07 23.19081219 51 22.50 -20 02 17.0 20.9 VuEO058H21 Observer details: 654 Table Mountain Observatory, Wrightwood-PHMC. Observers N. Evans, P. Choi, N. Saini, C. Zhai, R. Trahan, M. Shao. 1.0-m Reflector + CCD. F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, T. Lowe, P. Minguez, A. Schultz, I. Smith. Measurers K. Chambers, T. de Boer, J. Bulger, J. Fairlamb, H. Gao, M. Huber, C.-C. Lin, T. Lowe, E. Magnier, P. Minguez, Y. Ramanjooloo, A. Schultz, I. Smith, R. Wainscoat, R. Weryk. 1.8-m Ritchey- Chretien + CCD. H21 Astronomical Research Observatory, Westfield. Observer R. Holmes. Measurers T. Linder, R. Holmes, L. Horn. 0.81-m f/4.0 astrograph + CCD. H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m f/4.2 reflector + CMO. M49 IAS Remote Observatory, Hakos. Observers D. Husar, M. Junius. Measurer D. Husar. 0.25-m f/4.6 reflector + CMO. W94 MAP, San Pedro de Atacama. Observers A. Maury, G. Attard. Measurers A. Maury, G. Attard, D. Parrott, F. Signoret, J.-M. Mari. 0.28-m f/2.2 Schmidt astrograph + CCD. X10 OVTLN, San Pedro de Atacama. Observers A. Maury, G. Attard, F. Signoret. Measurers A. Maury, G. Attard, D. Parrott, J.-M. Mari. 0.50-m f/4 reflector + CCD. Orbital elements: 2023 OC1 Earth MOID = 0.1330 AU Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres M 359.65832 (2000.0) P Q n 0.63218942 Peri. 47.33453 +0.93900243 +0.20663517 a 1.3445323 Node 298.97540 -0.32561210 +0.79144263 e 0.1816660 Incl. 18.31533 +0.11068511 +0.57525687 P 1.56 H 23.74 G 0.15 U 9 Residuals in seconds of arc 230721 W94 0.2- 0.3- 230721 M49 0.1+ 0.1+ 230722 654 0.1- 0.1+ 230721 W94 0.3- 0.7- 230721 M49 0.3- 0.5+ 230722 654 0.1- 0.1- 230721 W94 0.1- 0.9- 230721 M49 0.2- 0.2- 230722 F51 0.0 0.1- 230721 X10 0.1- 0.1- 230721 M49 0.1+ 0.5- 230722 F51 0.1+ 0.3+ 230721 X10 0.3- 0.1+ 230721 M49 0.6- 0.8- 230722 F51 0.1+ 0.4- 230721 X10 0.5+ 0.2+ 230722 H36 0.6- 0.4- 230723 H21 0.2+ 0.1+ 230721 M49 0.3+ 0.5- 230722 H36 0.0 0.6+ 230723 H21 0.2- 0.1- 230721 M49 0.5+ 0.4- 230722 H36 0.6- 0.4+ 230723 H21 0.1- 0.2- 230721 M49 0.4- 0.4- 230722 654 0.2+ 0.1+ 230723 H21 0.1+ 0.2+ 230721 M49 0.4+ 0.2- 230722 654 0.0 0.1+ Ephemeris: 2023 OC1 a,e,i = 1.34, 0.18, 18 q = 1.1003 Date TT R. A. (2000) Decl. Delta r Elong. Phase V 2023 06 23 21 03 07.1 -52 42 28 0.2749 1.2272 135.4 35.6 22.8 ... 2023 07 08 20 38 32.1 -43 15 00 0.1926 1.1900 151.9 23.8 21.7 ... 2023 07 16 20 15 08.1 -33 10 44 0.1595 1.1718 165.8 12.3 20.8 ... 2023 07 22 19 55 19.0 -22 26 50 0.1432 1.1591 177.3 2.4 20.1 2023 07 23 19 51 59.6 -20 25 07 0.1413 1.1571 176.5 3.1 20.1 2023 07 24 19 48 41.5 -18 20 11 0.1397 1.1551 174.5 4.9 20.2 ... 2023 07 30 19 29 47.4 -05 13 58 0.1363 1.1437 159.2 18.4 20.7 ... 2023 08 07 19 08 40.4 +11 06 14 0.1465 1.1303 139.9 35.3 21.3 ... 2023 08 22 18 45 39.2 +30 45 47 0.1940 1.1114 116.3 54.7 22.4 M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-O58


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