MPEC 2023-H117 : 2023 HM2
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M.P.E.C. 2023-H117 Issued 2023 April 21, 00:28 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 HM2
Observations:
K23H02M*KC2023 04 19.37795 15 45 00.76 +67 07 26.7 19.8 GVEH117W16
K23H02M KC2023 04 19.38274 15 45 00.01 +67 06 43.3 19.9 GVEH117W16
K23H02M KC2023 04 19.38752 15 44 59.18 +67 05 59.4 20.0 GVEH117W16
K23H02M KC2023 04 19.39235 15 44 58.46 +67 05 14.6 20.0 GVEH117W16
K23H02M KC2023 04 19.39691 15 44 57.74 +67 04 32.7 20.1 GVEH117W16
K23H02M KC2023 04 19.40117 15 44 57.00 +67 03 54.0 19.9 GVEH117W16
K23H02M KC2023 04 19.86975015 45 00.161+65 54 38.81 19.5 GVEH117J95
K23H02M KC2023 04 19.87274215 45 00.098+65 54 14.11 19.7 GVEH117J95
K23H02M KC2023 04 19.87617915 44 59.861+65 53 47.36 19.9 GVEH117J95
K23H02M KC2023 04 19.87935815 44 59.587+65 53 21.98 19.7 GVEH117J95
K23H02M KC2023 04 19.93402715 44 54.058+65 46 18.08 19.9 GVEH117A17
K23H02M KB2023 04 19.93951715 44 53.282+65 45 30.54 19.8 GXEH117B72
K23H02M KC2023 04 19.94633115 44 52.685+65 44 38.65 19.7 GVEH117A17
K23H02M KB2023 04 19.94912015 44 52.336+65 44 13.05 19.9 GXEH117B72
K23H02M KC2023 04 19.95417015 44 51.816+65 43 35.36 20.2 GVEH117A17
K23H02M C2023 04 20.00568 15 44 46.84 +65 36 45.1 20.3 GVEH117511
K23H02M C2023 04 20.01221 15 44 46.02 +65 35 51.9 19.9 GVEH117511
K23H02M C2023 04 20.01877 15 44 45.01 +65 34 59.2 20.1 GVEH117511
K23H02M !C2023 04 20.10501 15 44 39.58 +65 23 35.4 19.1 GVEH117J04
K23H02M !C2023 04 20.10705 15 44 39.27 +65 23 19.1 20.6 GVEH117J04
K23H02M KC2023 04 20.25489015 44 44.776+65 02 20.90 21.19GVEH117I52
K23H02M KC2023 04 20.25576415 44 44.689+65 02 16.76 VEH117I52
K23H02M KC2023 04 20.25663715 44 44.506+65 02 06.76 20.39GVEH117I52
K23H02M KC2023 04 20.25750915 44 44.470+65 02 00.46 20.84GVEH117I52
K23H02M KC2023 04 20.96132615 44 12.65 +63 29 15.8 20.6 GVEH117L01
K23H02M KC2023 04 20.96301015 44 12.50 +63 29 03.8 20.6 GVEH117L01
K23H02M KC2023 04 20.96469115 44 12.34 +63 28 51.4 20.4 GVEH117L01
K23H02M KC2023 04 20.96637315 44 12.05 +63 28 38.9 20.1 GVEH117L01
K23H02M KC2023 04 20.96805615 44 11.88 +63 28 26.4 20.2 GVEH117L01
Observer details:
511 Haute Provence. Observers M. Birlan, A. Sonka. Measurer A. Sonka.
1.20-m f/6 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.
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.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector
+ CCD.
W16 Pleasant Groves Observatory. Observer M. Holbrook. 0.36-m f/2.2
reflector + CCD.
Orbital elements:
2023 HM2 Earth MOID = 0.0292 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 356.81399 (2000.0) P Q
n 0.73882600 Peri. 324.84289 -0.88304105 -0.46882803
a 1.2118288 Node 187.29113 +0.45945335 -0.85456629
e 0.2321954 Incl. 9.50026 +0.09560919 -0.22342053
P 1.33 H 23.66 G 0.15 U 7
Residuals in seconds of arc
230419 W16 0.2+ 0.1- 230419 A17 0.2+ 0.0 230420 I52 0.1+ 0.1+
230419 W16 0.4+ 0.3+ 230419 B72 0.6- 0.1- 230420 I52 0.2+ 2.7+
230419 W16 0.0 0.2+ 230419 A17 0.1+ 0.0 230420 I52 0.3- 0.6-
230419 W16 0.2+ 0.2- 230419 B72 0.1+ 0.1+ 230420 I52 0.2+ 0.2-
230419 W16 0.2+ 0.2- 230419 A17 0.3+ 0.2+ 230420 L01 0.3- 0.5-
230419 W16 0.3- 0.4+ 230420 511 0.4+ 0.6- 230420 L01 0.0 0.0
230419 J95 0.8- 0.1+ 230420 511 0.8+ 0.4- 230420 L01 0.2+ 0.0
230419 J95 0.0 0.7- 230420 511 0.0 0.7+ 230420 L01 0.5- 0.1-
230419 J95 0.1- 0.0 230420 J04 0.2- 0.1- 230420 L01 0.4- 0.1-
230419 J95 0.5- 0.1+ 230420 J04 0.1- 0.4+
Ephemeris:
2023 HM2 a,e,i = 1.21, 0.23, 10 q = 0.9304
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 03 22 03 30 21.9 -01 06 45 0.08325 0.9471 51.9 124.1 23.3
...
2023 04 06 03 36 13.5 +49 27 36 0.03972 0.9779 54.6 123.5 21.7
...
2023 04 14 16 05 17.4 +84 53 14 0.04675 0.9996 84.8 92.5 20.3
...
2023 04 20 15 44 41.4 +65 36 55 0.06402 1.0177 100.2 76.3 20.4
2023 04 21 15 44 05.1 +63 23 56 0.06733 1.0209 102.0 74.3 20.4
2023 04 22 15 43 34.0 +61 22 54 0.07072 1.0240 103.7 72.4 20.5
...
2023 04 28 15 41 14.3 +52 15 49 0.09214 1.0438 111.5 63.8 20.8
...
2023 05 06 15 38 42.8 +44 30 24 0.1223 1.0717 118.2 56.1 21.3
...
2023 05 21 15 34 45.3 +34 41 06 0.1820 1.1267 125.2 47.2 22.0
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-H117
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