MPEC 2023-O41 : 2010 TJ167
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M.P.E.C. 2023-O41 Issued 2023 July 20, 14:56 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 2010 TJ167 Revision to MPEC 2010-U2 Additional Observations: K10TG7J 2C2023 07 18.02859220 22 40.199-12 42 34.81 20.7 GVEO041J04 K10TG7J 2C2023 07 18.03742420 22 39.863-12 42 29.05 20.8 GVEO041J04 K10TG7J 1C2023 07 18.22038420 22 33.823-12 40 16.92 XEO041W57 K10TG7J 2C2023 07 18.94551420 22 10.700-12 32 55.66 20.5 GVEO041J04 K10TG7J 2C2023 07 18.95047020 22 10.530-12 32 52.69 20.6 GVEO041J04 Observer details: J04 ESA Optical Ground Station, Tenerife. Observers P. Ruiz, M. Micheli, F. Ocana, L. Conversi. Measurers M. Micheli, F. Ocana, R. Kresken, M. Busch. 1.0-m f/4.4 reflector + CCD. W57 ESA TBT La Silla Observatory. Observers F. Ocana, M. Micheli, R. Kresken, L. Conversi. Measurers F. Ocana, M. Micheli. 0.56-m f/2.52 astrograph prime-focus corrector + 4K CCD. First and last observations above in comparison with prediction: Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T 230718 J04 0.33+ 0.11+ 230718 J04 0.33+ 0.11+ MPO562270 +0.16 days Orbital elements: 2010 TJ167 Earth MOID = 0.2539 AU Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres M 352.45226 (2000.0) P Q n 0.30308071 Peri. 87.93792 +0.99665062 +0.00076566 a 2.1949798 Node 272.01130 -0.03344773 +0.91630667 e 0.4346311 Incl. 4.69343 +0.07462431 +0.40047659 P 3.25 H 21.09 G 0.15 U 0 Residuals in seconds of arc 100720 F51 0.1+ 0.1+ 101014 G96 0.5- 0.0 101029 291 0.2- 0.1- 100720 F51 0.1- 0.3+ 101014 G96 0.2- 0.2- 101029 291 0.1+ 0.1- 100819 F51 0.0 0.0 101014 473 0.1+ 0.1+ 101029 291 0.3- 0.7- 100819 F51 0.1- 0.0 101014 473 0.1- 0.0 101102 291 0.7+ 0.6- 100831 I41 0.1+ 0.0 101014 J04 0.8- 0.6- 101102 291 0.3- 0.4+ 100831 I41 0.5+ 0.4- 101014 J04 0.2- 0.3+ 101102 291 1.1+ 0.0 100904 I41 0.1- 0.2- 101014 J04 0.2- 0.3+ 101108 291 1.6+ 0.7- 100904 I41 0.3+ 0.0 101015 H21 0.6- 0.2+ 101108 291 0.2- 0.3- 101014 G96 0.0 0.1- 101015 H21 0.1- 0.2- 101108 291 0.0 0.7+ 101014 G96 0.8- 0.1- 101015 H01 0.4- 0.1- 101202 H21 0.3- 0.2+ 101014 G96 0.5- 0.1+ 101015 H21 0.1+ 0.6+ 101202 H21 0.3- 0.5+ 101014 G96 0.1- 0.9- 101015 H01 0.4- 0.0 101202 H21 0.2- 0.5+ 101014 H01 0.2- 0.2- 101015 H21 0.1- 0.0 101202 291 0.0 0.2+ 101014 H01 0.2+ 0.1- 101015 H01 0.3- 0.0 101202 291 0.8- 0.5+ 101014 H01 0.2- 0.0 101015 H01 0.4- 0.0 101202 291 0.6- 0.4+ 101014 G96 0.4- 0.2- 101015 H36 0.8- 0.1+ 230718 J04 0.2- 0.0 101014 G96 0.7- 0.1- 101015 H36 0.5+ 0.6+ 230718 J04 0.0 0.3+ 101014 G96 0.3- 0.3+ 101016 H21 0.1- 0.6+ 230718 W57 1.0+ 0.3- 101014 G96 0.6- 0.0 101016 H21 0.5- 0.4- 230718 J04 0.1- 0.0 101014 H01 0.3- 0.2- 101016 H21 0.3- 0.4+ 230718 J04 0.2+ 0.1- 101014 G96 0.1- 0.3- 101028 291 0.7+ 0.4+ 101014 G96 0.3- 0.1- 101028 291 0.2+ 0.0 Ephemeris: 2010 TJ167 a,e,i = 2.19, 0.43, 5 q = 1.2410 Date TT R. A. (2000) Decl. Delta r Elong. Phase V 2023 06 20 20 24 51.0 -17 10 37 0.6900 1.6244 143.7 21.7 22.4 ... 2023 07 05 20 26 59.3 -14 53 59 0.5570 1.5439 156.7 15.1 21.6 ... 2023 07 13 20 24 59.1 -13 34 27 0.4993 1.5026 163.8 10.9 21.1 ... 2023 07 19 20 22 08.1 -12 32 10 0.4625 1.4727 168.8 7.7 20.8 2023 07 20 20 21 33.9 -12 21 37 0.4569 1.4678 169.4 7.3 20.8 2023 07 21 20 20 58.2 -12 11 00 0.4514 1.4629 170.1 6.9 20.7 ... 2023 07 27 20 17 00.2 -11 06 34 0.4219 1.4343 171.6 5.9 20.5 ... 2023 08 04 20 11 11.9 -09 39 40 0.3908 1.3982 167.0 9.4 20.4 ... 2023 08 19 20 02 32.2 -07 03 45 0.3554 1.3380 152.7 20.3 20.5 A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-O41


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