MPEC 2023-H129 : 2023 HW2
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M.P.E.C. 2023-H129 Issued 2023 April 21, 19:04 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 HW2
Observations:
K23H02W*1C2023 04 20.28785412 51 23.454+56 01 19.31 20.16GVEH129G96
K23H02W 1C2023 04 20.29327112 51 17.068+56 02 31.63 20.64GVEH129G96
K23H02W 1C2023 04 20.29871512 51 10.660+56 03 43.70 20.20GVEH129G96
K23H02W 1C2023 04 20.30413612 51 04.309+56 04 54.08 20.92GVEH129G96
K23H02W KC2023 04 20.34062412 50 20.915+56 12 56.41 20.26GVEH129I52
K23H02W KC2023 04 20.34213712 50 19.093+56 13 16.28 20.42GVEH129I52
K23H02W KC2023 04 20.34365712 50 17.290+56 13 36.66 20.62GVEH129I52
K23H02W KC2023 04 20.34518412 50 15.486+56 13 56.32 20.51GVEH129I52
K23H02W hC2023 04 20.88595212 39 27.04 +58 26 32.2 20.1 GVEH129L01
K23H02W hC2023 04 20.88743512 39 24.71 +58 26 56.0 20.1 GVEH129L01
K23H02W hC2023 04 20.88891212 39 22.28 +58 27 19.9 20.4 GVEH129L01
K23H02W hC2023 04 20.89038812 39 19.91 +58 27 43.4 20.3 GVEH129L01
K23H02W hC2023 04 20.89186812 39 17.65 +58 28 07.2 20.1 GVEH129L01
K23H02W 7C2023 04 20.99056712 36 42.401+58 55 21.31 20.4 GVEH129Z84
K23H02W KC2023 04 21.16798612 32 17.822+59 45 19.58 20.32GVEH129I52
K23H02W KC2023 04 21.16894712 32 16.004+59 45 36.94 20.35GVEH129I52
K23H02W KC2023 04 21.16990812 32 14.233+59 45 54.50 20.54GVEH129I52
K23H02W KC2023 04 21.17088512 32 12.332+59 46 11.78 20.11GVEH129I52
K23H02W KC2023 04 21.18921 12 31 29.33 +59 51 26.2 20.3 VqEH129734
K23H02W KC2023 04 21.19494 12 31 18.38 +59 53 08.1 20.4 VqEH129734
K23H02W KC2023 04 21.20066 12 31 07.27 +59 54 47.2 20.4 VqEH129734
Observer details:
734 Farpoint Observatory, Eskridge. Observers D. Cromer, G. Hug, D. Goodin,
R. Valentine. Measurer D. Cromer. 0.70-m f/3.0 reflector + CCD.
G96 Mt. Lemmon Survey. Observer G. J. Leonard. 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. 1.5-m reflector + 10K
CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer R. A. Kowalski.
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.
Z84 Calar Alto-Schmidt. Observers R. Kresken, F. Ocana, M. Micheli, L.
Conversi. Measurers F. Ocana, M. Micheli, R. Kresken. 0.8-m f/3
Schmidt + CCD.
Orbital elements:
2023 HW2 Earth MOID = 0.0126 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 310.96830 (2000.0) P Q
n 0.51420107 Peri. 224.05638 -0.18581578 +0.97347771
a 1.5430526 Node 35.85902 -0.82668657 -0.08146605
e 0.4124648 Incl. 13.17001 -0.53109492 -0.21378594
P 1.92 H 25.51 G 0.15 U 8
Residuals in seconds of arc
230420 G96 0.0 0.3- 230420 I52 0.2+ 0.0 230421 I52 0.1+ 0.3-
230420 G96 0.1- 0.1+ 230420 L01 0.1- 0.3+ 230421 I52 0.0 0.2-
230420 G96 0.0 0.0 230420 L01 0.0 0.2+ 230421 I52 0.3+ 0.1+
230420 G96 (0.4+ 1.4-) 230420 L01 0.7- 0.3+ 230421 I52 0.2- 0.2-
230420 I52 0.1+ 0.0 230420 L01 1.0- 0.0 230421 734 0.0 0.6+
230420 I52 0.1- 0.0 230420 L01 0.3- 0.1- 230421 734 (0.4+ 1.7+)
230420 I52 0.0 0.4+ 230420 Z84 0.0 0.3- 230421 734 0.1- 0.3+
Ephemeris:
2023 HW2 a,e,i = 1.54, 0.41, 13 q = 0.9066
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 03 22 13 42 52.9 +33 22 15 0.2361 1.1844 138.9 33.5 24.1
...
2023 04 06 13 41 24.0 +38 43 49 0.1303 1.0949 134.0 41.1 22.9
...
2023 04 14 13 31 33.1 +43 57 32 0.07692 1.0507 126.9 49.7 21.9
...
2023 04 20 12 56 00.9 +54 57 53 0.03842 1.0200 112.9 65.2 20.8
2023 04 21 12 36 35.7 +58 56 08 0.03240 1.0151 107.8 70.5 20.6
2023 04 22 11 59 39.8 +64 12 42 0.02669 1.0103 100.7 77.8 20.4
...
2023 04 28 02 48 02.8 +03 46 47 0.02400 0.9831 12.4 167.3 32.0
...
2023 05 06 02 12 49.7 -22 08 41 0.07441 0.9523 39.5 137.6 26.3
...
2023 05 21 02 06 24.4 -26 10 50 0.1770 0.9149 52.4 118.7 26.3
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-H129
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