MPEC 2023-H208 : 2023 HW5
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M.P.E.C. 2023-H208 Issued 2023 April 27, 10:23 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 HW5
Observations:
K23H05W* C2023 04 25.51822715 25 38.891+11 47 14.07 20.46wXEH208F52
K23H05W C2023 04 25.52987315 25 43.490+11 43 28.80 19.97wXEH208F52
K23H05W C2023 04 25.55286515 25 52.672+11 36 01.87 20.06wXEH208F52
K23H05W C2023 04 25.61268215 26 17.177+11 16 31.43 19.99GVEH208F52
K23H05W C2023 04 25.61331315 26 17.433+11 16 19.44 19.88GVEH208F52
K23H05W KC2023 04 26.04080 15 29 50.59 +08 53 10.6 VEH208204
K23H05W KC2023 04 26.05378615 29 55.29 +08 48 47.2 20.3 GVEH208L01
K23H05W KC2023 04 26.05526815 29 55.96 +08 48 16.8 20.0 GVEH208L01
K23H05W KC2023 04 26.05675115 29 56.57 +08 47 46.4 20.3 GVEH208L01
K23H05W KC2023 04 26.05725 15 29 57.61 +08 47 35.0 20.1 GVEH208204
K23H05W KC2023 04 26.05823415 29 57.18 +08 47 16.1 20.1 GVEH208L01
K23H05W KC2023 04 26.05971915 29 57.82 +08 46 45.9 20.1 GVEH208L01
K23H05W |C2023 04 26.22320 15 31 22.26 +07 54 48.5 20.1 VuEH208807
K23H05W |C2023 04 26.22621 15 31 23.54 +07 53 45.9 20.4 VuEH208807
K23H05W |C2023 04 26.22945 15 31 24.87 +07 52 39.6 19.9 VuEH208807
K23H05W |C2023 04 26.23242 15 31 26.12 +07 51 38.2 19.9 VuEH208807
K23H05W C2023 04 26.30524215 32 05.627+07 22 49.32 19.9 GVEH208654
K23H05W mC2023 04 26.37362615 32 33.389+06 59 05.86 20.15GVEH208I52
K23H05W mC2023 04 26.37397315 32 33.529+06 58 58.48 19.84GVEH208I52
K23H05W mC2023 04 26.37431715 32 33.688+06 58 51.46 19.93GVEH208I52
K23H05W mC2023 04 26.37466815 32 33.835+06 58 43.93 19.75GVEH208I52
K23H05W C2023 04 26.39600815 32 44.252+06 51 09.19 19.9 GVEH208654
K23H05W C2023 04 26.42243015 32 55.509+06 41 51.94 19.9 GVEH208654
K23H05W KC2023 04 26.91366415 37 11.52 +03 44 55.5 VEH208203
K23H05W KC2023 04 26.94228915 37 24.74 +03 34 27.7 19.6 GVEH208203
K23H05W KC2023 04 27.27064915 40 10.50 +01 32 47.7 19.8 VuEH208H21
K23H05W KC2023 04 27.27344615 40 11.77 +01 31 44.8 19.9 VuEH208H21
K23H05W KC2023 04 27.28351915 40 16.32 +01 27 57.4 19.9 VuEH208H21
Observer details:
203 GiaGa Observatory. Observers S. Foglia, G. Galli. Measurer G. Galli.
0.36-m f/5.76 Schmidt-Cassegrain + CCD.
204 Schiaparelli Observatory. Observer L. Buzzi. 0.84-m f/3.5 reflector +
CCD.
654 Table Mountain Observatory, Wrightwood-PHMC. Observers N. Evans, P. Choi,
N. Saini, C. Zhai, R. Trahan, M. Shao. 1.0-m 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. 0.76-m f/3.0 astrograph + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer A. Serrano. Measurers
E. J. Christensen, D. Fay, J. B. Fazekas, D. C. Fuls, A. R. Gibbs, A. D.
Grauer, H. Groeller, J. K. Hogan, R. A. Kowalski, S. M. Larson, G. J.
Leonard, D. Rankin, R. L. Seaman, A. Serrano, F. C. Shelly, K. W.
Wierzchos. 1.0-m prime focus + CCD.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector
+ CCD.
Orbital elements:
2023 HW5 Earth MOID = 0.0372 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 335.39614 (2000.0) P Q
n 0.39158321 Peri. 177.89856 -0.78022785 +0.60970925
a 1.8503477 Node 40.76924 -0.57695477 -0.61528878
e 0.4355377 Incl. 12.34737 -0.24159408 -0.49967425
P 2.52 H 25.63 G 0.15 U 7
Residuals in seconds of arc
230425 F52 0.1- 0.0 230426 L01 0.6- 0.0 230426 I52 0.2- 0.0
230425 F52 0.4- 0.3+ 230426 L01 0.5- 0.2+ 230426 654 0.3- 0.1+
230425 F52 0.3- 0.0 230426 807 0.2+ 0.0 230426 654 0.3- 0.1+
230425 F52 0.4- 0.3- 230426 807 0.5+ 0.4- 230426 203 0.2- 0.4-
230425 F52 0.5- 0.1+ 230426 807 0.5+ 0.0 230426 203 0.1+ 0.3+
230426 204 0.0 0.2+ 230426 807 0.6+ 0.1+ 230427 H21 0.1+ 0.0
230426 L01 0.4- 0.3+ 230426 654 0.0 0.1+ 230427 H21 0.1+ 0.2+
230426 L01 0.2+ 0.1+ 230426 I52 0.3- 0.1+ 230427 H21 0.0 0.1-
230426 L01 0.2- 0.0 230426 I52 0.4- 0.0
230426 204 0.1- 0.0 230426 I52 0.2- 0.2+
Ephemeris:
2023 HW5 a,e,i = 1.85, 0.44, 12 q = 1.0445
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 03 28 13 31 33.5 +51 42 30 0.1700 1.1015 123.8 48.8 23.8
...
2023 04 12 14 11 37.0 +45 51 05 0.09831 1.0609 124.5 51.1 22.6
...
2023 04 20 14 48 31.2 +33 08 22 0.06343 1.0490 133.4 44.1 21.4
...
2023 04 26 15 29 31.2 +09 09 14 0.04444 1.0449 150.4 28.4 20.2
2023 04 27 15 37 48.7 +03 15 51 0.04264 1.0446 153.5 25.4 20.0
2023 04 28 15 46 33.7 -03 04 40 0.04140 1.0445 155.9 23.2 19.9
...
2023 05 04 16 48 26.3 -40 11 28 0.04685 1.0460 143.3 35.2 20.5
...
2023 05 12 18 24 12.8 -63 09 34 0.07571 1.0545 124.3 52.3 22.1
...
2023 05 27 20 22 19.4 -71 26 22 0.1437 1.0893 118.7 54.7 23.6
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-H208
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