MPEC 2023-R140 : 2023 QB20
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M.P.E.C. 2023-R140 Issued 2023 September 11, 16:37 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 QB20
Observations:
K23Q20B* C2023 08 27.32422 21 32 19.70 -17 40 56.7 18.00gUER140I41
K23Q20B C2023 08 27.32457 21 32 21.22 -17 40 47.7 18.00gUER140I41
K23Q20B C2023 08 27.36088 21 35 03.32 -17 24 11.0 17.69RUER140I41
K23Q20B C2023 08 27.36122 21 35 04.86 -17 24 01.3 17.69RUER140I41
K23Q20B 1C2023 08 27.98689 22 17 49.28 -12 51 50.0 18.5 GVER140C40
K23Q20B 1C2023 08 27.98858 22 17 55.17 -12 51 08.7 18.8 GVER140C40
K23Q20B 1C2023 08 27.99024 22 18 00.92 -12 50 26.9 19.0 GVER140C40
K23Q20B KB2023 08 28.91915 23 04 09.57 -07 17 03.8 18.9 GXER140M45
K23Q20B KB2023 08 28.92528 23 04 23.62 -07 15 11.0 XER140M45
K23Q20B KB2023 08 28.93303 23 04 41.24 -07 12 49.5 XER140M45
Observer details:
C40 Kuban State University Astrophysical Observatory. Observers A. Ivanov, A.
Barcov, V. Ivanov, V. Lysenko, N. Yakovenko, N. Ivanova, N. Gorbunov, G.
Kurbatov, P. Shchukin, V. Roshchupko. Measurer A. Ivanov. 0.51-m f/8
reflector + CCD.
I41 Palomar Mountain--ZTF. Observers K. Venkataramani, T. Prince, G. Helou,
Q.-Z. Ye, D. Kulkarni, V. Swain, C. Y. Hsu, Y. Cheng, T. Batra. Measurers
F. Masci, D. Shupe, K. Venkataramani, Q.-Z. Ye. 1.2-m f/2.44 Oschin-
Schmidt + CCD.
M45 Starhopper Observatory, Sfantu Gheorghe. Observer F. Ursache. 0.41-m
f/7.5 reflector + CMO.
Orbital elements:
2023 QB20 Earth MOID = 0.0019 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Alexandersen
M 5.54050 (2000.0) P Q
n 0.17163857 Peri. 336.37081 +0.69033648 +0.72347733
a 3.2067083 Node 337.28528 -0.66211972 +0.62953443
e 0.6877323 Incl. 0.59547 -0.29160422 +0.28331424
P 5.74 H 26.62 G 0.15 U 9
Residuals in seconds of arc
230827 I41 0.3+ 0.3+ 230827 C40 0.0 0.5+ 230828 M45 0.4+ 0.2-
230827 I41 0.4- 0.3- 230827 C40 0.2+ 0.4- 230828 M45 0.1+ 0.3-
230827 I41 0.2- 0.2- 230827 C40 0.2- 0.0
230827 I41 0.2+ 0.2+ 230828 M45 0.4- 0.8-
Ephemeris:
2023 QB20 a,e,i = 3.21, 0.69, 1 q = 1.0014
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 08 12 14 18 03.2 -16 46 43 0.08404 1.0010 79.1 96.2 24.7
...
2023 08 27 21 05 39.5 -19 59 36 0.01499 1.0246 159.6 20.1 18.6
...
2023 09 04 00 42 46.7 +05 44 05 0.05284 1.0542 148.8 29.7 21.6
...
2023 09 10 01 03 40.8 +08 24 41 0.08780 1.0833 148.8 28.8 22.8
2023 09 11 01 05 25.6 +08 38 00 0.09376 1.0886 149.3 28.2 22.9
2023 09 12 01 06 53.9 +08 49 13 0.09976 1.0941 149.8 27.5 23.0
...
2023 09 18 01 11 50.9 +09 27 20 0.1366 1.1297 154.3 22.7 23.6
...
2023 09 26 01 13 03.8 +09 37 38 0.1888 1.1836 161.8 15.4 24.2
...
2023 10 11 01 10 22.6 +09 16 24 0.3009 1.2991 176.9 2.4 24.8
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-R140
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