MPEC 2023-H137 : 2023 HB3
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M.P.E.C. 2023-H137 Issued 2023 April 22, 14:34 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 HB3
Observations:
K23H03B* C2023 04 16.36656213 44 34.670-09 29 20.94 21.19GVEH137V00
K23H03B C2023 04 16.37153113 44 32.341-09 29 39.41 VEH137V00
K23H03B C2023 04 16.37649813 44 30.113-09 29 57.48 22.46GVEH137V00
K23H03B C2023 04 16.38146713 44 27.985-09 30 15.08 22.30GVEH137V00
K23H03B KC2023 04 16.41576 13 44 12.69 -09 32 20.7 22.0 RoEH137291
K23H03B KC2023 04 16.42467 13 44 08.76 -09 32 53.0 oEH137291
K23H03B |C2023 04 17.15626 13 39 06.78 -10 15 23.4 21.6 GVEH137807
K23H03B |C2023 04 17.15996 13 39 05.19 -10 15 36.3 21.2 GVEH137807
K23H03B |C2023 04 17.16366 13 39 03.61 -10 15 49.6 21.5 GVEH137807
K23H03B |C2023 04 18.16205 13 32 27.61 -11 11 28.8 22.0 GVEH137807
K23H03B |C2023 04 18.17315 13 32 23.12 -11 12 04.6 22.2 GVEH137807
K23H03B |C2023 04 18.18424 13 32 18.65 -11 12 40.0 22.0 GVEH137807
K23H03B KC2023 04 22.31634 13 08 54.96 -14 23 36.4 oEH137291
K23H03B KC2023 04 22.35698 13 08 42.31 -14 25 09.9 oEH137291
Observer details:
291 LPL/Spacewatch II. Observers A. F. Tubbiolo, T. H. Bressi. 1.8-m f/2.7
reflector + CCD.
807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes, L.
Horn. 1.00-m f/10.0 astrograph + CCD.
V00 Kitt Peak-Bok. Observer R. A. Mastaler. Measurers M. J. Brucker, E. J.
Christensen, C. E. Woodward, 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, R. S. McMillan, D. Rankin, R. L. Seaman, A.
Serrano, F. C. Shelly, K. W. Wierzchos. 2.25-m reflector + 4x4K mosaic
CCD.
Orbital elements:
2023 HB3 Earth MOID = 0.0932 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 37.68783 (2000.0) P Q
n 0.87707967 Peri. 58.42911 +0.10240241 -0.98647004
a 1.0808780 Node 26.60967 +0.78801879 +0.00190189
e 0.3506832 Incl. 16.60843 +0.60707506 +0.16393061
P 1.12 H 25.66 G 0.15 U 8
Residuals in seconds of arc
230416 V00 1.4+ 0.0 230416 291 0.4- 0.8- 230418 807 0.0 0.1-
230416 V00 0.2- 0.3- 230417 807 0.1- 0.2+ 230418 807 0.3+ 0.3+
230416 V00 0.4- 0.3- 230417 807 0.1- 0.2+ 230422 291 0.1- 0.9-
230416 V00 0.9+ 0.3+ 230417 807 0.1- 0.3- 230422 291 0.5+ 0.4-
230416 291 0.5- 0.7- 230418 807 0.1- 0.1-
Ephemeris:
2023 HB3 a,e,i = 1.08, 0.35, 17 q = 0.7018
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 03 23 17 44 33.0 +24 14 07 0.1372 1.0170 94.7 77.6 24.1
...
2023 04 07 15 07 51.4 +03 12 32 0.1225 1.1053 146.9 29.6 22.6
...
2023 04 15 13 54 41.2 -08 00 56 0.1472 1.1495 173.9 5.3 22.2
...
2023 04 21 13 15 43.7 -13 28 51 0.1782 1.1809 170.7 7.9 22.8
2023 04 22 13 10 30.7 -14 10 29 0.1842 1.1860 168.5 9.7 23.0
2023 04 23 13 05 37.7 -14 49 01 0.1903 1.1911 166.5 11.4 23.1
...
2023 04 29 12 42 29.1 -17 47 34 0.2306 1.2205 155.6 19.9 23.9
...
2023 05 07 12 24 20.0 -20 13 21 0.2913 1.2573 144.5 27.8 24.7
...
2023 05 22 12 13 55.0 -22 43 00 0.4192 1.3182 129.3 36.4 25.9
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-H137
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