MPEC 2023-H55 : 2023 HT
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M.P.E.C. 2023-H55 Issued 2023 April 18, 11:48 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 HT
Observations:
K23H00T*1C2023 04 17.32558912 19 10.528+03 34 26.51 20.35GVEH055G96
K23H00T 1C2023 04 17.33681812 19 20.564+03 32 07.76 20.48GVEH055G96
K23H00T 1C2023 04 17.34245012 19 25.727+03 30 56.66 20.14GVEH055G96
K23H00T KC2023 04 17.40784712 20 32.341+03 16 28.09 20.43GVEH055I52
K23H00T KC2023 04 17.40969912 20 34.418+03 16 02.50 20.86GVEH055I52
K23H00T KC2023 04 17.41154112 20 36.492+03 15 36.47 20.23GVEH055I52
K23H00T KC2023 04 17.41340512 20 38.684+03 15 10.84 20.25GVEH055I52
K23H00T KC2023 04 17.83597512 37 04.58 +00 46 09.7 19.4 GXEH055958
K23H00T KC2023 04 17.84248312 37 22.80 +00 42 48.0 19.4 GXEH055958
K23H00T KC2023 04 17.84901312 37 41.14 +00 39 24.1 19.6 GXEH055958
K23H00T KC2023 04 17.87342212 38 46.051+00 23 26.77 18.7 GVEH055J95
K23H00T KC2023 04 17.87516612 38 51.264+00 22 28.42 19.3 GVEH055J95
K23H00T KC2023 04 17.87687312 38 56.426+00 21 30.02 18.6 GVEH055J95
K23H00T KC2023 04 17.87862312 39 01.682+00 20 31.27 19.4 GVEH055J95
K23H00T KC2023 04 17.92900912 41 29.23 -00 07 59.9 19.0 GVEH055204
K23H00T KC2023 04 17.93263412 41 41.23 -00 10 20.1 VEH055204
K23H00T KC2023 04 17.93620512 41 53.15 -00 12 38.8 VEH055204
K23H00T $C2023 04 17.95452612 43 42.731-00 17 07.49 18.7 GVEH055J04
K23H00T $C2023 04 17.95490212 43 44.021-00 17 22.59 18.9 GVEH055J04
K23H00T $C2023 04 17.95527412 43 45.338-00 17 37.67 18.8 GVEH055J04
K23H00T |C2023 04 18.06798 12 53 20.38 -01 10 06.8 18.8 VuEH055807
K23H00T |C2023 04 18.06904 12 53 25.64 -01 11 02.5 19.0 VuEH055807
K23H00T |C2023 04 18.07010 12 53 31.03 -01 11 57.6 18.6 VuEH055807
K23H00T KC2023 04 18.11537512 58 03.69 -02 40 14.5 18.3 VuEH055H21
K23H00T KC2023 04 18.11666012 58 11.35 -02 41 38.1 18.6 VuEH055H21
K23H00T KC2023 04 18.11794612 58 19.07 -02 43 02.6 18.8 VuEH055H21
K23H00T KC2023 04 18.11923112 58 26.80 -02 44 27.0 18.6 VuEH055H21
Observer details:
204 Schiaparelli Observatory. Observer L. Buzzi. 0.84-m f/3.5 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.
958 Observatoire de Dax. Observers P. Dupouy, J. B. de Vanssay. Measurer P.
Dupouy. 0.43-m f/2.7 Reflector + CCD.
G96 Mt. Lemmon Survey. Observer J. K. Hogan. 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.
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 J. B. Fazekas.
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.
J04 ESA Optical Ground Station, Tenerife. Observers P. Ruiz, M. Micheli, F.
Ocana, L. Conversi. Measurers F. Ocana, M. Micheli, R. Kresken, A.
Knofel, M. Busch. 1.0-m f/4.4 reflector + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.41-m f/6.3 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2023 HT Earth MOID = 0.0002 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 331.48676 (2000.0) P Q
n 0.34749997 Peri. 218.13615 -0.40640540 +0.91355345
a 2.0037008 Node 27.89517 -0.82969398 -0.36167062
e 0.5354490 Incl. 1.95502 -0.38267813 -0.18604962
P 2.84 H 29.98 G 0.15 U 6
Residuals in seconds of arc
230417 G96 0.1+ 0.0 230417 958 0.3+ 0.8+ 230417 J04 0.2- 0.0
230417 G96 0.3+ 0.3+ 230417 J95 0.5+ 0.5- 230417 J04 0.2+ 0.1+
230417 G96 0.5+ 0.2- 230417 J95 0.0 0.1+ 230418 807 (1.0+ 0.3-)
230417 I52 0.0 0.3- 230417 J95 0.2+ 0.4- 230418 807 0.4- 0.4-
230417 I52 0.4- 0.1+ 230417 J95 0.5- 0.4+ 230418 807 0.0 0.3+
230417 I52 0.8- 0.1- 230417 204 0.3- 0.3- 230418 H21 0.5+ 0.4+
230417 I52 0.0 0.5+ 230417 204 0.2- 0.2- 230418 H21 0.1+ 0.4+
230417 958 0.8- 0.1- 230417 204 0.2- 0.5+ 230418 H21 0.2+ 0.0
230417 958 0.7+ 0.4- 230417 J04 0.0 0.1- 230418 H21 0.1+ 0.0
Ephemeris:
2023 HT a,e,i = 2.00, 0.54, 2 q = 0.9308
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 03 19 11 57 54.7 +06 39 53 0.1995 1.1939 174.0 5.0 27.3
...
2023 04 03 11 55 43.2 +07 21 50 0.09692 1.0923 162.3 16.2 26.0
...
2023 04 11 11 56 47.7 +07 16 15 0.04691 1.0446 155.1 23.9 24.5
...
2023 04 17 12 14 11.9 +04 34 24 0.01030 1.0129 154.4 25.3 21.2
2023 04 18 12 46 20.2 -00 32 41 0.0043141.0080 163.0 16.9 19.1
2023 04 19 22 03 55.8 -22 15 12 0.0022981.0031 63.6 116.3 21.4
...
2023 04 25 23 53 17.3 -07 49 45 0.03848 0.9763 39.3 139.2 29.6
...
2023 05 03 23 59 01.9 -06 56 58 0.08759 0.9483 45.3 130.9 30.4
...
2023 05 18 00 10 31.0 -05 18 37 0.1811 0.9235 56.4 114.2 30.5
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-H55
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