MPEC 2023-B20 : 2023 AB2
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M.P.E.C. 2023-B20 Issued 2023 January 18, 11:54 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 AB2
Observations:
K23A02B* C2023 01 15.29517505 06 01.038+03 32 20.91 21.37wUEB020F52
K23A02B C2023 01 15.30669305 05 59.604+03 32 24.55 21.39wUEB020F52
K23A02B C2023 01 15.31825505 05 58.182+03 32 27.95 21.31wUEB020F52
K23A02B C2023 01 15.32985605 05 56.737+03 32 31.44 21.40wUEB020F52
K23A02B C2023 01 15.45103405 05 41.894+03 33 07.60 21.12GVEB020F52
K23A02B C2023 01 15.45166405 05 41.802+03 33 07.90 21.25GVEB020F52
K23A02B |C2023 01 16.06086 05 04 36.30 +03 36 49.6 21.2 VuEB020807
K23A02B |C2023 01 16.06844 05 04 35.34 +03 36 50.7 21.5 VuEB020807
K23A02B |C2023 01 16.07603 05 04 34.39 +03 36 54.4 21.6 VuEB020807
K23A02B KC2023 01 16.50444705 03 46.40 +03 39 26.9 20.6 GVEB020474
K23A02B KC2023 01 16.51148305 03 45.55 +03 39 28.5 20.8 GVEB020474
K23A02B KC2023 01 16.52555805 03 43.87 +03 39 33.5 21.1 GVEB020474
K23A02B 1C2023 01 16.84926 05 03 09.53 +03 40 40.1 21.4 VXEB020033
K23A02B 1C2023 01 16.85175 05 03 09.20 +03 40 41.3 21.2 VXEB020033
K23A02B 1C2023 01 16.85423 05 03 08.96 +03 40 41.8 21.4 VXEB020033
K23A02B 1C2023 01 16.85677 05 03 08.66 +03 40 42.6 21.5 VXEB020033
K23A02B |C2023 01 18.04310 05 01 00.46 +03 49 06.3 20.9 VuEB020807
K23A02B |C2023 01 18.05068 05 00 59.58 +03 49 09.8 20.8 VuEB020807
K23A02B |C2023 01 18.05826 05 00 58.72 +03 49 13.8 20.7 VuEB020807
K23A02B KC2023 01 18.10228205 00 53.98 +03 48 52.4 21.3 VuEB020H21
K23A02B KC2023 01 18.10575805 00 53.56 +03 48 54.1 21.2 VuEB020H21
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers S. Melnikov, C.
Hoegner, F. Ludwig, B. Stecklum. Measurer B. Stecklum. 1.34-m f/3
Schmidt + CCD.
474 Mount John Observatory, Lake Tekapo. Observers A. C. Gilmore, P. M.
Kilmartin. Measurer P. M. Kilmartin. 1.0-m f/7.7 reflector + CCD.
807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes, L.
Horn. 0.61-m f/6.5 Dall-Kirkham Astrograph + CCD.
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, T. Lowe, A. Schultz, I.
Smith, K. Chambers, T. Dukes. Measurers K. Chambers, S. Chastel, T. de
Boer, J. Fairlamb, H. Gao, M. Huber, C.-C. Lin, E. Magnier, Y.
Ramanjooloo, 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. 1.3-m f/4.0 astrograph + CCD.
Orbital elements:
2023 AB2 Earth MOID = 0.0019 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 352.88298 (2000.0) P Q
n 0.37552613 Peri. 20.75897 -0.98790459 -0.14596623
a 1.9027246 Node 150.69583 +0.12287995 -0.94277649
e 0.4900287 Incl. 6.13755 +0.09457819 -0.29977718
P 2.62 H 22.33 G 0.15 U 8
Residuals in seconds of arc
230115 F52 0.1+ 0.1- 230116 807 (0.2- 1.4-) 230116 033 0.0 0.4-
230115 F52 0.0 0.1+ 230116 807 0.6- 0.2- 230116 033 0.0 0.5-
230115 F52 0.1+ 0.0 230116 474 0.5+ 0.6+ 230118 807 0.4- 0.2-
230115 F52 0.1- 0.0 230116 474 0.2+ 0.2- 230118 807 0.0 0.2+
230115 F52 0.0 0.1+ 230116 474 0.2- 0.0 230118 807 (0.7+ 1.0+)
230115 F52 0.3- 0.2+ 230116 033 0.2- 0.3- 230118 H21 0.5+ 0.1-
230116 807 0.3+ 0.0 230116 033 0.8- 0.0 230118 H21 0.3+ 0.1+
Ephemeris:
2023 AB2 a,e,i = 1.90, 0.49, 6 q = 0.9703
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2022 12 19 05 53 29.9 +04 41 49 0.4115 1.3800 161.2 13.3 21.9
...
2023 01 03 05 29 08.5 +03 18 29 0.3223 1.2767 151.9 21.2 21.4
...
2023 01 11 05 14 04.2 +03 17 10 0.2864 1.2236 142.7 29.1 21.3
...
2023 01 17 05 02 53.1 +03 42 00 0.2634 1.1853 135.2 35.8 21.3
2023 01 18 05 01 04.8 +03 48 30 0.2598 1.1790 133.9 36.9 21.3
2023 01 19 04 59 17.8 +03 55 42 0.2562 1.1728 132.7 38.1 21.2
...
2023 01 25 04 49 14.1 +04 54 10 0.2361 1.1368 125.1 45.1 21.2
...
2023 02 02 04 37 53.7 +06 54 54 0.2106 1.0923 115.4 54.6 21.1
...
2023 02 17 04 22 13.6 +13 23 10 0.1620 1.0238 98.2 72.8 21.0
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-B20
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