MPEC 2023-R143 : 2023 RZ4
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M.P.E.C. 2023-R143 Issued 2023 September 11, 20:19 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 RZ4
Observations:
K23R04Z* C2023 09 09.24709617 58 46.257+31 41 12.40 21.41wXER143F52
K23R04Z C2023 09 09.25710517 58 51.185+31 41 10.13 21.38wXER143F52
K23R04Z C2023 09 09.26718217 58 56.155+31 41 07.78 21.28wXER143F52
K23R04Z C2023 09 09.27712517 59 01.081+31 41 05.37 21.72wXER143F52
K23R04Z 1C2023 09 09.79999 18 03 24.27 +31 38 45.7 21.1 VXER143033
K23R04Z 1C2023 09 09.80212 18 03 25.34 +31 38 44.8 21.4 VXER143033
K23R04Z 1C2023 09 09.80426 18 03 26.41 +31 38 44.3 21.2 VXER143033
K23R04Z KC2023 09 09.89830 18 04 12.52 +31 38 17.6 21.2 GVER143204
K23R04Z HC2023 09 09.91863 18 04 22.48 +31 38 10.8 VER143204
K23R04Z KC2023 09 10.11147 18 05 59.35 +31 37 25.9 VER143691
K23R04Z KC2023 09 10.11672 18 06 01.83 +31 37 24.5 VER143691
K23R04Z KC2023 09 10.12198 18 06 04.38 +31 37 22.7 VER143691
K23R04Z 3C2023 09 10.23159718 06 58.665+31 36 54.46 21.15GVER143T14
K23R04Z 3C2023 09 10.23257518 06 59.132+31 36 54.11 21.17GVER143T14
K23R04Z 3C2023 09 10.23355318 06 59.602+31 36 53.79 21.24GVER143T14
K23R04Z KC2023 09 11.06867518 13 46.24 +31 31 35.1 20.9 VuER143H21
K23R04Z KC2023 09 11.07428818 13 48.89 +31 31 32.7 uER143H21
K23R04Z KC2023 09 11.07709618 13 50.20 +31 31 31.5 uER143H21
K23R04Z KC2023 09 11.07990418 13 51.50 +31 31 29.9 21.6 VuER143H21
K23R04Z 1C2023 09 11.79935 18 19 34.23 +31 25 55.7 21.8 VXER143033
K23R04Z 1C2023 09 11.80183 18 19 35.39 +31 25 54.4 21.8 VXER143033
K23R04Z 1C2023 09 11.80432 18 19 36.57 +31 25 53.1 22.0 VXER143033
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.
204 Schiaparelli Observatory. Observers L. Buzzi, G. Galli. 0.84-m f/3.5
reflector + CCD.
691 Steward Observatory, Kitt Peak-Spacewatch. Observer R. A. Mastaler.
0.9-m f/3 reflector + CCD.
F52 Pan-STARRS 2, 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.
T14 Canada-France-Hawaii Telescope, Maunakea. Observers R. Wainscoat, L.
Wells, T. Burdullis. Measurers R. Weryk, R. Wainscoat. 3.6-m Canada-
France-Hawaii Telescope + CCD.
Orbital elements:
2023 RZ4 Earth MOID = 0.1606 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 26.87791 (2000.0) P Q
n 0.45822179 Peri. 349.70658 -0.06219127 +0.96704814
a 1.6662963 Node 276.40817 -0.89714158 -0.16255627
e 0.4983836 Incl. 14.38481 -0.43734339 +0.19594221
P 2.15 H 21.61 G 0.15 U 9
Residuals in seconds of arc
230909 F52 0.0 0.1+ 230909 204 0.0 0.2- 230911 H21 0.3- 0.4+
230909 F52 0.1- 0.0 230910 691 0.3+ 0.1- 230911 H21 0.4- 0.4+
230909 F52 0.1- 0.0 230910 691 0.3- 0.2+ 230911 H21 0.7- 0.1+
230909 F52 0.2+ 0.1- 230910 691 0.2- 0.1+ 230911 033 0.1- 0.3-
230909 033 0.4- 0.2- 230910 T14 0.0 0.0 230911 033 0.1+ 0.4-
230909 033 0.1- 0.5- 230910 T14 0.0 0.0 230911 033 0.5+ 0.4-
230909 033 0.2+ 0.4- 230910 T14 0.0 0.0
230909 204 0.4+ 0.3- 230911 H21 0.4- 0.4+
Ephemeris:
2023 RZ4 a,e,i = 1.67, 0.50, 14 q = 0.8358
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 08 12 13 33 09.6 +15 51 02 0.2760 0.9058 59.6 105.1 22.5
...
2023 08 27 15 51 20.2 +28 21 50 0.2504 0.9926 78.8 86.9 21.6
...
2023 09 04 17 11 27.1 +31 25 14 0.2678 1.0470 90.7 74.4 21.5
...
2023 09 10 18 05 03.9 +31 38 00 0.2926 1.0901 98.6 66.0 21.5
2023 09 11 18 13 13.2 +31 32 07 0.2975 1.0974 99.8 64.7 21.5
2023 09 12 18 21 08.5 +31 24 25 0.3027 1.1048 100.9 63.5 21.5
...
2023 09 18 19 03 52.3 +30 08 54 0.3377 1.1496 106.9 56.8 21.6
...
2023 09 26 19 49 36.1 +27 45 37 0.3939 1.2104 112.6 49.9 21.9
...
2023 10 11 20 51 49.0 +23 03 52 0.5236 1.3251 117.6 41.9 22.5
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-R143
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