MPEC 2023-H108 : 2023 HF2
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M.P.E.C. 2023-H108 Issued 2023 April 20, 11:27 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 HF2
Observations:
K23H02F*1C2023 04 19.28811312 24 09.504+31 22 59.77 18.79GVEH108703
K23H02F 1C2023 04 19.29390612 24 21.301+31 22 59.81 19.01GVEH108703
K23H02F 1C2023 04 19.29967812 24 32.900+31 22 58.98 18.84GVEH108703
K23H02F 1C2023 04 19.30540212 24 44.413+31 22 58.08 18.86GVEH108703
K23H02F KC2023 04 19.33945912 25 51.935+31 22 50.74 18.82GVEH108I52
K23H02F KC2023 04 19.33997912 25 52.950+31 22 50.70 18.97GVEH108I52
K23H02F KC2023 04 19.34050112 25 53.972+31 22 50.48 19.00GVEH108I52
K23H02F KC2023 04 19.34102912 25 55.013+31 22 50.38 19.07GVEH108I52
K23H02F KC2023 04 19.81019 12 40 05.12 +31 19 30.4 17.8 RZEH108C95
K23H02F KC2023 04 19.81913212 40 17.96 +31 19 28.4 XEH108C95
K23H02F KC2023 04 19.82053112 40 18.324+31 19 08.36 19.2 GVEH108A17
K23H02F KC2023 04 19.82610 12 40 27.79 +31 19 26.7 24.9 RZEH108C95
K23H02F KC2023 04 19.82930812 40 30.912+31 19 06.06 19.9 GVEH108A17
K23H02F KC2023 04 19.83559712 40 37.81 +31 19 19.9 19.3 RoEH108K88
K23H02F KC2023 04 19.83799912 40 41.15 +31 19 19.0 19.3 RoEH108K88
K23H02F KC2023 04 19.83806412 40 43.390+31 19 04.01 19.8 GVEH108A17
K23H02F KC2023 04 19.84039912 40 44.52 +31 19 18.1 18.8 RoEH108K88
K23H02F KC2023 04 19.84203 12 40 50.31 +31 19 23.3 18.9 RZEH108C95
K23H02F KC2023 04 19.84318 12 40 51.04 +31 19 25.9 19.1 GXEH108K78
K23H02F KC2023 04 19.85048012 41 02.11 +31 19 21.0 19.2 GXEH108C95
K23H02F KC2023 04 19.85208 12 41 03.44 +31 19 23.2 19.2 GXEH108K78
K23H02F KC2023 04 19.86056 12 41 13.91 +31 18 58.8 19.4 VqEH108K61
K23H02F KC2023 04 19.86099 12 41 15.78 +31 19 20.0 19.3 GXEH108K78
K23H02F KC2023 04 19.86779 12 41 23.97 +31 18 55.4 18.6 VqEH108K61
K23H02F KC2023 04 19.86835912 41 28.47 +31 19 09.9 19.3 GXEH108958
K23H02F KC2023 04 19.87317312 41 35.02 +31 19 09.4 19.4 GXEH108958
K23H02F KB2023 04 19.87737712 41 38.280+31 18 44.70 19.4 GXEH108B72
K23H02F KC2023 04 19.87791612 41 41.61 +31 19 06.9 18.9 GXEH108958
K23H02F KC2023 04 19.88432212 41 49.601+31 18 33.77 19.0 GVEH108J95
K23H02F KB2023 04 19.88497512 41 48.711+31 18 41.41 19.5 GXEH108B72
K23H02F KC2023 04 19.88592212 41 51.778+31 18 32.94 19.3 GVEH108J95
K23H02F KC2023 04 19.88751912 41 53.974+31 18 32.58 19.2 GVEH108J95
K23H02F KC2023 04 19.88925812 41 56.374+31 18 31.86 19.1 GVEH108J95
K23H02F KB2023 04 19.89149412 41 57.125+31 18 42.84 19.1 GXEH108K74
K23H02F KB2023 04 19.89280012 41 59.416+31 18 37.52 19.4 GXEH108B72
K23H02F KB2023 04 19.89474112 42 01.543+31 18 41.15 19.0 GXEH108K74
K23H02F KB2023 04 19.89798812 42 05.950+31 18 39.53 19.1 GXEH108K74
K23H02F KB2023 04 19.90142512 42 10.610+31 18 37.55 18.7 GXEH108K74
K23H02F KB2023 04 19.90543412 42 16.015+31 18 35.32 19.0 GXEH108K74
K23H02F KB2023 04 19.90963712 42 21.672+31 18 32.83 19.1 GXEH108K74
K23H02F C2023 04 19.98979 12 44 07.32 +31 18 00.4 19.5 GVEH108511
K23H02F C2023 04 19.99244 12 44 10.69 +31 17 57.7 19.6 GVEH108511
K23H02F C2023 04 19.99475 12 44 13.74 +31 17 55.0 18.8 GVEH108511
K23H02F !C2023 04 20.02864 12 45 01.03 +31 18 40.2 19.0 GVEH108J04
K23H02F KC2023 04 20.14189612 47 34.34 +31 16 24.8 19.2 VuEH108H21
K23H02F KC2023 04 20.14469312 47 37.60 +31 16 23.1 19.2 VuEH108H21
K23H02F KC2023 04 20.14749012 47 40.83 +31 16 21.5 19.2 VuEH108H21
K23H02F KC2023 04 20.15028912 47 44.08 +31 16 19.8 19.3 VuEH108H21
Observer details:
511 Haute Provence. Observers M. Birlan, A. Sonka. Measurer A. Sonka.
1.20-m f/6 reflector + CCD.
703 Catalina Sky Survey. 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. 0.68-m
Schmidt + 10K CCD.
958 Observatoire de Dax. Observers P. Dupouy, J. B. de Vanssay. Measurer P.
Dupouy. 0.43-m f/2.7 Reflector + CCD.
A17 Guidestar Observatory, Weinheim. Observers M. Emmerich, S. Melchert.
0.36-m f/6.0 Schmidt-Cassegrain + CCD.
B72 Soerth. Observer B. Koch. 0.36-m f/7.6 Schmidt-Cassegrain + CMO.
C95 SATINO Remote Observatory, Haute Provence. Observers D. Husar, J. Jahn.
0.30-m f/5.8 reflector + CCD, 0.60-m f/3.2 Newtonian reflector + 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 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.
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.
J95 Great Shefford. Observer P. Birtwhistle. 0.41-m f/6.3 Schmidt-Cassegrain
+ CCD.
K61 Rokycany Observatory. Observers M. Adamovsky, M. Masek. Measurer M.
Adamovsky. 0.51-m f/6.8 reflector + CCD.
K74 Muensterschwarzach Observatory, Schwarzach. Observer C. Gerhard. 0.30-m
f/3.75 reflector + CMO.
K78 iota Scorpii Observatory, La Spezia. Observers G. Scarfi, P. Boongerd.
0.40-m f/6.1 reflector + CCD.
K88 GINOP-KHK, Piszkesteto. Observer K. Sarneczky. 0.60-m Schmidt + CCD.
Orbital elements:
2023 HF2 Earth MOID = 0.0015 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 3.91487 (2000.0) P Q
n 0.67753183 Peri. 266.24622 -0.34050576 -0.92335324
a 1.2838558 Node 205.96263 +0.93965049 -0.34087319
e 0.4918601 Incl. 23.90659 -0.03335845 -0.17670387
P 1.45 H 25.09 G 0.15 U 8
Residuals in seconds of arc
230419 703 1.3- 0.3+ 230419 K88 0.3- 0.2+ 230419 J95 0.1+ 0.2+
230419 703 0.0 0.4+ 230419 C95 0.2- 0.2+ 230419 K74 0.2- 0.2+
230419 703 0.2- 0.1- 230419 K78 0.2+ 0.3+ 230419 B72 0.1+ 0.1+
230419 703 0.3+ 0.5- 230419 C95 0.7- 0.2+ 230419 K74 0.1- 0.2+
230419 I52 0.2+ 0.1- 230419 K78 0.3- 0.4+ 230419 K74 0.1- 0.4+
230419 I52 0.1+ 0.0 230419 K61 0.2+ 0.1+ 230419 K74 0.0 0.2+
230419 I52 0.0 0.0 230419 K78 0.6- 0.4+ 230419 K74 0.1- 0.3+
230419 I52 0.1+ 0.1+ 230419 K61 0.8+ 0.1- 230419 K74 0.1- 0.2+
230419 C95 2.4+ 1.1+ 230419 958 0.1+ 0.8- 230419 511 (1.9- 1.0+)
230419 C95 2.0+ 0.5+ 230419 958 1.0- 0.2+ 230419 511 (2.1- 0.6+)
230419 A17 0.2- 0.4- 230419 B72 0.2- 0.1+ 230419 511 0.7- 0.1-
230419 C95 0.3+ 0.0 230419 958 0.0 0.7- 230420 J04 0.1+ 0.2-
230419 A17 0.1+ 0.6- 230419 J95 0.1+ 0.2+ 230420 H21 0.2- 0.2+
230419 K88 0.3+ 0.2+ 230419 B72 0.2- 0.2+ 230420 H21 0.1+ 0.1+
230419 K88 0.2- 0.2+ 230419 J95 0.1- 0.0 230420 H21 0.1+ 0.1+
230419 A17 0.5+ 0.2- 230419 J95 0.1- 0.3+ 230420 H21 0.4+ 0.0
Ephemeris:
2023 HF2 a,e,i = 1.28, 0.49, 24 q = 0.6524
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 03 21 01 56 55.8 -26 07 00 0.3043 0.7810 38.5 127.5 27.4
...
2023 04 05 02 15 35.1 -27 58 14 0.1314 0.9019 39.1 135.7 26.8
...
2023 04 13 02 54 59.2 -26 04 06 0.04348 0.9702 41.3 137.0 24.7
...
2023 04 19 12 12 44.6 +31 20 04 0.02571 1.0216 132.3 46.6 19.0
2023 04 20 12 44 24.6 +31 18 51 0.03613 1.0302 134.7 43.9 19.6
2023 04 21 13 01 44.9 +31 04 42 0.04682 1.0387 135.6 42.6 20.2
...
2023 04 27 13 35 12.1 +29 55 55 0.1126 1.0894 135.4 40.4 22.1
...
2023 05 05 13 46 13.8 +28 45 48 0.2020 1.1555 132.9 39.7 23.5
...
2023 05 20 13 55 45.1 +26 10 57 0.3753 1.2732 126.9 39.4 25.1
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-H108
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