MPEC 2023-R165 : 2018 RZ3
The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.A form allowing access to any MPEC is at the bottom of this page.


M.P.E.C. 2023-R165 Issued 2023 September 13, 01:05 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 2018 RZ3 Revision to MPEC 2018-R120 Additional Observations: K18R03Z C2023 09 12.24233020 36 29.567+02 56 16.01 20.03wXER165F52 K18R03Z C2023 09 12.25008520 36 24.849+02 58 51.32 19.74GVER165F52 K18R03Z C2023 09 12.25779320 36 20.115+03 01 25.85 19.89wXER165F52 K18R03Z C2023 09 12.26551320 36 15.426+03 03 59.54 19.45GVER165F52 K18R03Z C2023 09 12.32434220 35 39.496+03 23 30.81 VER165F52 K18R03Z C2023 09 12.32523920 35 38.952+03 23 48.85 19.51GVER165F52 K18R03Z 1C2023 09 12.78541 20 31 24.92 +05 52 31.8 19.9 VXER165033 K18R03Z 1C2023 09 12.78581 20 31 24.69 +05 52 39.4 20.1 VXER165033 K18R03Z 1C2023 09 12.78621 20 31 24.46 +05 52 47.1 20.2 VXER165033 K18R03Z KC2023 09 12.85259420 30 46.41 +06 14 03.7 VER165104 K18R03Z KC2023 09 12.85668220 30 44.00 +06 15 21.9 19.9 GVER165104 K18R03Z KC2023 09 12.86281720 30 40.44 +06 17 18.0 20.4 GVER165104 K18R03Z IC2023 09 12.91245320 30 11.77 +06 32 56.2 20.2 GVER165L01 K18R03Z KC2023 09 12.91690020 30 09.17 +06 34 19.8 20.3 GVER165L01 K18R03Z KC2023 09 12.91838120 30 08.41 +06 34 47.4 20.0 GVER165L01 Observer details: 033 Karl Schwarzschild Observatory, Tautenburg. Observers S. Melnikov, C. Hoegner, F. Ludwig, M. Hartmann, B. Stecklum. Measurer B. Stecklum. 1.34-m f/3 Schmidt + CCD. 104 San Marcello Pistoiese. Observers P. Bacci, M. Maestripieri. Measurers P. Bacci, L. Tesi, G. Fagioli. 0.60-m F4 Reflector + CCD. F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, T. Lowe, P. Minguez, A. Schultz, I. Smith, K. Chambers, T. Dukes. 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, S. Chastel. 1.8-m Ritchey-Chretien + CCD. L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector + CCD. First and last observations above in comparison with prediction: Residuals in seconds of arc (or zero decimals in degrees), reference and Delta-T 230912 F52 23+ 33+ 230912 L01 21+ 34+ MPO452103 +5.32 days Orbital elements: 2018 RZ3 Earth MOID = 0.0634 AU Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres M 346.80355 (2000.0) P Q n 0.59096084 Peri. 26.61144 +0.96866134 -0.20992188 a 1.4063613 Node 343.75575 +0.03326065 +0.63934551 e 0.2539134 Incl. 28.33549 +0.24614821 +0.73970948 P 1.67 H 23.87 G 0.15 U 2 Residuals in seconds of arc 180910 703 0.6- 0.6- 180910 104 0.2- 0.4+ 180913 I52 0.0 0.2- 180910 703 0.1+ 0.1+ 180910 160 0.4+ 0.1- 180913 I52 0.0 0.3- 180910 703 0.4+ 1.2+ 180910 204 0.3+ 0.5+ 180913 I52 0.1+ 0.3- 180910 I52 0.4+ 0.3- 180910 160 0.9+ 0.5- 230912 F52 0.2+ 0.3- 180910 I52 0.4- 0.2- 180910 160 0.5+ 0.8- 230912 F52 0.3+ 0.1- 180910 I52 0.4+ 0.5- 180910 160 0.4+ 0.5- 230912 F52 0.2- 0.4+ 180910 I52 0.8- 0.1- 180910 160 1.0- 0.1+ 230912 F52 0.1+ 0.1- 180910 K63 0.9- 0.5+ 180911 H36 0.1- 0.5+ 230912 F52 0.1+ 0.4- 180910 K63 0.7- 0.3+ 180911 I52 1.4- 0.1- 230912 F52 0.2+ 0.2- 180910 587 0.4+ 0.6+ 180911 I52 0.1- 0.3- 230912 033 0.1+ 0.1- 180910 K63 0.5- 0.0 180911 H36 0.2+ 0.8+ 230912 033 0.0 0.1- 180910 587 0.4+ 0.2- 180911 I52 0.3- 0.1- 230912 033 0.1+ 0.1- 180910 L01 0.2- 0.2+ 180911 I52 0.1+ 0.4- 230912 104 0.3+ 0.2+ 180910 L01 0.4- 0.1+ 180911 H36 0.4- 1.4+ 230912 104 0.5- 0.7+ 180910 L01 0.4- 0.1+ 180911 H36 0.4+ 0.7+ 230912 104 0.7- 0.2+ 180910 104 0.1- 0.1+ 180911 474 0.1+ 0.3- 230912 L01 0.3+ 0.2+ 180910 204 0.1+ 0.0 180911 474 0.2- 0.1- 230912 L01 0.6- 0.1- 180910 104 0.1+ 0.0 180911 474 0.0 0.0 230912 L01 0.6+ 0.5- Ephemeris: 2018 RZ3 a,e,i = 1.41, 0.25, 28 q = 1.0493 Date TT R. A. (2000) Decl. Delta r Elong. Phase V 2023 08 14 01 52 35.1 -64 13 23 0.2443 1.1341 113.8 54.8 23.1 ... 2023 08 29 23 44 52.7 -57 51 48 0.1258 1.0945 129.6 45.4 21.3 ... 2023 09 06 21 49 23.3 -33 40 57 0.08026 1.0777 148.9 28.9 19.8 ... 2023 09 12 20 38 46.0 +01 35 10 0.07813 1.0675 139.7 37.6 20.0 2023 09 13 20 29 27.2 +07 01 18 0.08125 1.0660 135.6 41.4 20.2 2023 09 14 20 20 48.7 +11 59 21 0.08519 1.0645 131.5 45.1 20.4 ... 2023 09 20 19 41 06.2 +32 15 24 0.1200 1.0572 113.0 61.0 21.6 ... 2023 09 28 19 10 33.6 +44 15 51 0.1790 1.0511 101.0 69.4 22.7 ... 2023 10 13 18 46 15.5 +52 54 48 0.2921 1.0513 92.3 71.5 23.8 A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-R165


Enter an MPEC number in one of the following forms:
- 1997-B01 (the full form)
- J97B01 (the packed version of the full form)
- B01 (the abbreviated form)