MPEC 2023-H107 : 2023 HE2
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M.P.E.C. 2023-H107 Issued 2023 April 20, 11:24 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 HE2
Observations:
K23H02E*1C2023 04 18.30986213 39 08.024-03 32 02.26 20.50GVEH107G96
K23H02E 1C2023 04 18.31552513 39 08.791-03 30 56.63 21.07GVEH107G96
K23H02E 1C2023 04 18.32117913 39 09.565-03 29 51.18 20.86GVEH107G96
K23H02E 1C2023 04 18.32681813 39 10.300-03 28 45.16 20.49GVEH107G96
K23H02E C2023 04 18.35362113 39 13.753-03 23 34.05 20.4 GVEH107H01
K23H02E C2023 04 18.35975313 39 14.616-03 22 22.82 21.1 GVEH107H01
K23H02E C2023 04 18.37030613 39 16.086-03 20 19.36 21.0 GVEH107H01
K23H02E C2023 04 18.37485513 39 16.706-03 19 26.61 20.7 GVEH107H01
K23H02E KC2023 04 18.41847813 39 23.036-03 10 55.63 20.46GVEH107I52
K23H02E KC2023 04 18.42199613 39 23.558-03 10 14.99 20.52GVEH107I52
K23H02E KC2023 04 18.42412113 39 23.839-03 09 50.22 20.75GVEH107I52
K23H02E KC2023 04 18.42624413 39 24.109-03 09 25.24 20.77GVEH107I52
K23H02E $C2023 04 18.89213013 40 45.828-01 38 39.79 20.7 GVEH107J04
K23H02E $C2023 04 18.90190713 40 47.210-01 36 45.34 20.4 GVEH107J04
K23H02E |C2023 04 19.09676 13 41 17.86 -00 57 35.1 20.8 GVEH107807
K23H02E |C2023 04 19.10230 13 41 18.64 -00 56 30.1 20.9 GVEH107807
K23H02E |C2023 04 19.10784 13 41 19.41 -00 55 25.5 21.1 GVEH107807
K23H02E !C2023 04 20.05851 13 43 51.13 +02 08 50.6 20.6 GVEH107J04
K23H02E |C2023 04 20.10308 13 44 01.05 +02 18 41.0 21.3 VuEH107807
K23H02E |C2023 04 20.10965 13 44 01.99 +02 19 58.1 21.2 VuEH107807
K23H02E |C2023 04 20.11624 13 44 02.97 +02 21 15.8 21.0 VuEH107807
K23H02E KC2023 04 20.16053413 44 09.97 +02 28 31.0 uEH107H21
K23H02E KC2023 04 20.16333413 44 10.38 +02 29 03.4 uEH107H21
K23H02E KC2023 04 20.16613413 44 10.78 +02 29 36.2 20.2 VuEH107H21
Observer details:
807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes, L.
Horn. 1.00-m f/10.0 astrograph + CCD, 0.61-m f/6.5 Dall-Kirkham
Astrograph + 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.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 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 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, E. Schwab. 1.0-m f/4.4 reflector + CCD.
Orbital elements:
2023 HE2 Earth MOID = 0.1206 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 307.55574 (2000.0) P Q
n 0.63558755 Peri. 29.18702 -0.59170098 +0.78817544
a 1.3397357 Node 205.71845 -0.79442540 -0.60578589
e 0.1747446 Incl. 22.96601 -0.13703367 +0.10864128
P 1.55 H 24.75 G 0.15 U 8
Residuals in seconds of arc
230418 G96 0.0 0.4+ 230418 I52 0.2+ 0.3+ 230419 807 0.1- 0.0
230418 G96 0.1- 0.1+ 230418 I52 0.5+ 0.1- 230420 J04 0.2+ 0.3+
230418 G96 0.0 0.3- 230418 I52 0.2+ 0.2- 230420 807 0.3- 0.3-
230418 G96 0.5- 0.0 230418 I52 0.3- 0.0 230420 807 0.0 0.0
230418 H01 0.3- 0.1+ 230418 J04 0.6+ 0.3- 230420 807 (0.9+ 0.6+)
230418 H01 0.1- 0.2- 230418 J04 0.0 0.1- 230420 H21 0.0 1.0+
230418 H01 0.0 0.2+ 230419 807 0.0 0.0 230420 H21 0.2+ 0.7+
230418 H01 0.2- 0.1- 230419 807 0.0 0.2+ 230420 H21 0.2+ 0.7+
Ephemeris:
2023 HE2 a,e,i = 1.34, 0.17, 23 q = 1.1056
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 03 21 12 34 26.7 -51 23 34 0.2571 1.1718 128.0 42.1 23.8
...
2023 04 05 13 05 09.4 -37 11 14 0.1646 1.1437 148.5 27.2 22.3
...
2023 04 13 13 25 03.1 -19 40 28 0.1311 1.1314 169.1 9.7 21.2
...
2023 04 19 13 40 59.7 -01 17 12 0.1210 1.1236 170.3 8.6 21.0
2023 04 20 13 43 41.9 +01 57 49 0.1209 1.1224 166.7 11.9 21.1
2023 04 21 13 46 24.7 +05 11 51 0.1213 1.1213 163.1 15.1 21.3
...
2023 04 27 14 02 44.4 +22 56 03 0.1323 1.1153 143.4 32.6 22.0
...
2023 05 05 14 24 02.0 +39 17 38 0.1641 1.1094 124.4 48.5 22.9
...
2023 05 20 14 59 33.4 +53 02 32 0.2431 1.1056 106.5 61.3 24.1
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-H107
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