MPEC 2023-H115 : 2023 HK2
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M.P.E.C. 2023-H115 Issued 2023 April 20, 22:54 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 HK2
Observations:
K23H02K* C2023 04 17.97313315 06 02.150-44 53 24.36 19.03oVEH115M22
K23H02K C2023 04 17.97556715 06 02.834-44 53 12.59 18.36oVEH115M22
K23H02K C2023 04 17.97847315 06 03.614-44 52 58.40 18.55oVEH115M22
K23H02K C2023 04 18.01439915 06 13.205-44 50 04.81 18.57oVEH115M22
K23H02K KC2023 04 18.65267 15 09 14.08 -43 57 50.8 18.9 VqEH115E23
K23H02K KC2023 04 18.65730 15 09 15.31 -43 57 27.8 18.7 VqEH115E23
K23H02K KC2023 04 18.66402 15 09 17.04 -43 56 54.1 18.6 VqEH115E23
K23H02K C2023 04 18.82854 15 10 06.05 -43 43 00.4 VEH115M28
K23H02K C2023 04 18.82929 15 10 06.30 -43 42 56.9 VEH115M28
K23H02K C2023 04 18.83005 15 10 06.53 -43 42 53.4 VEH115M28
K23H02K C2023 04 18.83080 15 10 06.77 -43 42 49.5 VEH115M28
K23H02K !C2023 04 19.10862 15 11 20.76 -43 20 13.6 18.7 GVEH115J04
K23H02K !C2023 04 19.10907 15 11 20.90 -43 20 11.1 19.5 GVEH115J04
K23H02K !C2023 04 19.10951 15 11 20.98 -43 20 08.4 19.1 GVEH115J04
K23H02K |C2023 04 19.11240 15 11 24.46 -43 19 15.8 18.6 VuEH115807
K23H02K |C2023 04 19.11647 15 11 25.46 -43 18 55.4 18.2 VuEH115807
K23H02K |C2023 04 19.12054 15 11 26.56 -43 18 35.3 18.7 VuEH115807
K23H02K 1C2023 04 19.16652 15 11 38.443-43 14 45.24 17.8 GVEH115W88
K23H02K 1C2023 04 19.18056 15 11 42.014-43 13 35.15 VEH115W88
K23H02K 1C2023 04 19.19035 15 11 44.582-43 12 45.72 18.4 GVEH115W88
K23H02K KC2023 04 19.52967 15 13 16.62 -42 43 42.4 19.0 rZEH115R56
K23H02K KC2023 04 19.53138 15 13 17.06 -42 43 34.2 18.4 rZEH115R56
K23H02K KC2023 04 19.53318 15 13 17.52 -42 43 25.0 18.3 rZEH115R56
K23H02K KB2023 04 20.81569 15 18 57.82 -40 50 43.8 18.8 VZEH115M49
K23H02K KB2023 04 20.82806 15 19 00.88 -40 49 39.1 18.7 VZEH115M49
K23H02K KB2023 04 20.84040 15 19 03.96 -40 48 34.2 18.4 VZEH115M49
Observer details:
807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes, L.
Horn. 0.61-m f/6.5 Dall-Kirkham Astrograph + CCD.
E23 Arcadia. Observer A. Hidas. 0.35-m f/1.9 reflector + CCD.
J04 ESA Optical Ground Station, Tenerife. Observers P. Ruiz, M. Micheli, F.
Ocana, L. Conversi. Measurers R. Kresken, M. Micheli, F. Ocana, A.
Knofel, M. Busch, E. Schwab. 1.0-m f/4.4 reflector + CCD.
M22 ATLAS South Africa, Sutherland. Observers L. Denneau, R. Siverd, J.
Tonry, H. Weiland. Measurers L. Denneau, N. Erasmus, A. Fitzsimmons, A.
Lawrence, J. Robinson, R. Siverd, J. Tonry, H. Weiland. 0.5-m Reflector +
CCD.
M28 Lesedi Telescope-SAAO Observatory, Sutherland. Observers N. Erasmus, S.
Potter, C. van Gend, S. Chandra. Measurer N. Erasmus. 1.0-m f/8
Reflector + CCD.
M49 IAS Remote Observatory, Hakos. Observers D. Husar, M. Junius. Measurer
D. Husar. 0.25-m f/4.6 reflector + CMO.
R56 Scott Street Observatory, Lake Tekapo. Observer A. Vilquin Barrajon.
0.20-m f/8.1 reflector + CCD.
W88 Slooh.com Chile Observatory, La Dehesa. Observer A. J. Evans. 0.43-m
f/6.8 Corrected Dall-Kirkham + CCD.
Orbital elements:
2023 HK2 Earth MOID = 0.1899 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 349.68634 (2000.0) P Q
n 0.23245371 Peri. 338.61854 -0.89842323 +0.36848945
a 2.6196608 Node 225.39252 -0.33829574 -0.92758542
e 0.5502381 Incl. 19.60295 -0.27998517 -0.06165074
P 4.24 H 20.36 G 0.15 U 8
Residuals in seconds of arc
230417 M22 0.2- 0.3- 230418 M28 0.9- 0.2+ 230419 W88 0.1- 0.7-
230417 M22 0.2+ 0.2- 230418 M28 0.5- 0.5+ 230419 W88 0.5+ 0.4-
230417 M22 0.2+ 0.0 230419 J04 0.1- 0.3- 230419 R56 0.1- 0.0
230418 M22 0.3+ 0.1- 230419 J04 0.1+ 0.1- 230419 R56 0.1- 0.6-
230418 E23 0.2+ 0.1- 230419 J04 0.2- 0.4+ 230419 R56 0.0 0.5-
230418 E23 0.4+ 0.2- 230419 807 0.3+ 0.1- 230420 M49 0.3+ 0.1-
230418 E23 0.2+ 0.1- 230419 807 0.4- 0.2+ 230420 M49 0.1+ 0.2-
230418 M28 1.7- 0.6+ 230419 807 0.0 0.1+ 230420 M49 0.4+ 0.1-
230418 M28 1.2- 0.4+ 230419 W88 0.3+ 0.5-
Ephemeris:
2023 HK2 a,e,i = 2.62, 0.55, 20 q = 1.1782
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 03 21 12 25 25.9 -59 53 15 0.3407 1.2022 119.8 46.0 20.2
...
2023 04 05 13 51 55.1 -57 02 29 0.2646 1.1799 127.5 42.3 19.5
...
2023 04 13 14 40 07.2 -50 48 20 0.2327 1.1786 135.0 36.9 19.0
...
2023 04 19 15 10 50.7 -43 28 48 0.2156 1.1826 142.5 31.1 18.7
2023 04 20 15 15 21.5 -42 03 06 0.2135 1.1836 143.9 30.0 18.7
2023 04 21 15 19 41.5 -40 34 17 0.2117 1.1848 145.3 28.9 18.6
...
2023 04 27 15 41 58.5 -30 50 37 0.2059 1.1943 153.7 22.0 18.4
...
2023 05 05 16 02 50.4 -17 14 04 0.2138 1.2130 161.5 15.3 18.3
...
2023 05 20 16 23 06.1 +02 19 58 0.2721 1.2650 155.9 19.0 19.0
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-H115
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