MPEC 2023-H189 : 2023 HY4
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M.P.E.C. 2023-H189 Issued 2023 April 26, 11:11 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 HY4
Observations:
K23H04Y* C2023 04 23.39659114 02 40.334-25 09 03.09 21.15wUEH189F52
K23H04Y C2023 04 23.40677714 02 39.565-25 08 59.18 21.22wUEH189F52
K23H04Y C2023 04 23.41696514 02 38.794-25 08 55.38 21.06wUEH189F52
K23H04Y C2023 04 23.42717014 02 38.029-25 08 51.51 21.30wUEH189F52
K23H04Y C2023 04 23.52541914 02 30.682-25 08 12.45 20.73GVEH189F52
K23H04Y C2023 04 23.52605014 02 30.642-25 08 12.25 20.63GVEH189F52
K23H04Y KC2023 04 24.22419 14 01 46.41 -25 03 42.6 21.4 RoEH189291
K23H04Y |C2023 04 24.22665 14 01 45.32 -25 03 22.9 20.8 VuEH189807
K23H04Y KC2023 04 24.22997 14 01 45.99 -25 03 40.7 21.2 RoEH189291
K23H04Y |C2023 04 24.23153 14 01 44.95 -25 03 21.7 20.8 VuEH189807
K23H04Y KC2023 04 24.23573 14 01 45.60 -25 03 38.5 21.9 RoEH189291
K23H04Y |C2023 04 24.23626 14 01 44.56 -25 03 19.8 20.8 VuEH189807
K23H04Y |C2023 04 26.17978 13 59 42.36 -24 50 11.6 20.9 VuEH189807
K23H04Y |C2023 04 26.18211 13 59 42.22 -24 50 11.1 21.2 VuEH189807
K23H04Y |C2023 04 26.18483 13 59 42.00 -24 50 10.6 21.3 VuEH189807
Observer details:
291 LPL/Spacewatch II. Observer T. H. Bressi. 1.8-m f/2.7 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.
Orbital elements:
2023 HY4 Earth MOID = 0.1455 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 10.33431 (2000.0) P Q
n 0.36619979 Peri. 168.81712 -0.79801100 -0.60186948
a 1.9348946 Node 334.10378 +0.54738290 -0.70272042
e 0.4147434 Incl. 4.00737 +0.25209206 -0.37939049
P 2.69 H 21.73 G 0.15 U 9
Residuals in seconds of arc
230423 F52 0.0 0.1- 230423 F52 0.2+ 0.1- 230424 291 0.2+ 0.1-
230423 F52 0.0 0.1+ 230424 291 0.1- 0.1+ 230424 807 0.4- 0.2-
230423 F52 0.1- 0.0 230424 807 0.3+ 0.6+ 230426 807 0.2- 0.2+
230423 F52 0.0 0.0 230424 291 0.2- 0.2- 230426 807 0.2+ 0.2-
230423 F52 0.1+ 0.1- 230424 807 0.2+ 0.2- 230426 807 (0.3- 0.9-)
Ephemeris:
2023 HY4 a,e,i = 1.93, 0.41, 4 q = 1.1324
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 03 27 14 32 10.2 -25 29 01 0.3371 1.2769 140.9 29.5 21.2
...
2023 04 11 14 17 27.7 -26 02 42 0.3684 1.3482 156.8 17.0 21.1
...
2023 04 19 14 07 44.5 -25 34 18 0.3957 1.3893 164.4 11.2 21.1
...
2023 04 25 14 00 56.0 -24 58 17 0.4221 1.4211 167.8 8.6 21.2
2023 04 26 13 59 53.4 -24 51 29 0.4270 1.4265 168.1 8.4 21.2
2023 04 27 13 58 52.8 -24 44 30 0.4321 1.4319 168.2 8.3 21.3
...
2023 05 03 13 53 35.1 -24 00 21 0.4657 1.4646 166.4 9.3 21.5
...
2023 05 11 13 48 50.3 -23 00 52 0.5190 1.5089 160.4 12.9 22.0
...
2023 05 26 13 47 22.0 -21 29 30 0.6447 1.5931 147.1 20.2 22.8
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-H189
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