MPEC 2023-H120 : 2023 HP2
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M.P.E.C. 2023-H120 Issued 2023 April 21, 11:39 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 HP2
Observations:
K23H02P*1C2023 04 19.32755214 01 25.064-08 03 04.57 20.93GVEH120G96
K23H02P 1C2023 04 19.33270714 01 25.907-08 03 28.55 20.44GVEH120G96
K23H02P 1C2023 04 19.33785914 01 26.807-08 03 52.34 20.49GVEH120G96
K23H02P 1C2023 04 19.34299714 01 27.750-08 04 16.18 20.39GVEH120G96
K23H02P KC2023 04 19.37892614 01 34.030-08 06 59.90 20.94GVEH120I52
K23H02P KC2023 04 19.37990014 01 34.190-08 07 04.60 20.83GVEH120I52
K23H02P KC2023 04 19.38086514 01 34.350-08 07 09.20 VEH120I52
K23H02P KC2023 04 20.03396114 03 46.282-08 56 50.96 20.8 GVEH120J95
K23H02P KC2023 04 20.05049514 03 49.267-08 58 05.48 20.7 GVEH120J95
K23H02P !C2023 04 20.08276 14 03 55.59 -09 00 09.5 20.0 GVEH120J04
K23H02P |C2023 04 20.08325 14 03 59.62 -08 58 53.9 20.9 VuEH120807
K23H02P |C2023 04 20.08980 14 04 00.80 -08 59 24.9 21.0 VuEH120807
K23H02P !C2023 04 20.09010 14 03 56.83 -09 00 42.9 19.7 GVEH120J04
K23H02P |C2023 04 20.09635 14 04 01.94 -08 59 53.9 20.8 VuEH120807
K23H02P KC2023 04 21.25168 14 07 44.28 -10 25 58.2 20.2 VqEH120734
K23H02P KC2023 04 21.26007 14 07 45.64 -10 26 34.1 20.9 VqEH120734
K23H02P KC2023 04 21.26828 14 07 47.00 -10 27 10.1 20.9 VqEH120734
K23H02P mC2023 04 21.28501514 07 50.860-10 28 16.10 20.82GVEH120I52
K23H02P mC2023 04 21.28566114 07 50.970-10 28 18.90 22.07GVEH120I52
K23H02P mC2023 04 21.28720214 07 51.250-10 28 25.60 VEH120I52
K23H02P mC2023 04 21.29455214 07 52.450-10 28 57.40 VEH120I52
K23H02P !C2023 04 21.31653 14 07 56.55 -10 30 33.8 20.3 RVEH120673
K23H02P !C2023 04 21.32503 14 07 57.95 -10 31 09.8 20.6 RVEH120673
Observer details:
673 Table Mountain Observatory, Wrightwood. Observer J. Pittichova. 1.0-m
f/15 reflector + CCD.
734 Farpoint Observatory, Eskridge. Observers D. Cromer, G. Hug, D. Goodin,
R. Valentine. Measurer D. Cromer. 0.70-m f/3.0 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.
G96 Mt. Lemmon Survey. Observer G. J. Leonard. 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.
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.
Orbital elements:
2023 HP2 Earth MOID = 0.1018 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 349.09355 (2000.0) P Q
n 0.31355304 Peri. 155.98109 -0.98481430 +0.16698267
a 2.1458303 Node 33.73943 -0.16989920 -0.87067318
e 0.4890662 Incl. 4.90745 -0.03570787 -0.46264997
P 3.14 H 25.04 G 0.15 U 8
Residuals in seconds of arc
230419 G96 0.6+ 0.5+ 230420 J95 0.3+ 0.3- 230421 734 0.1- 0.2-
230419 G96 0.3- 0.2+ 230420 J04 0.0 0.2+ 230421 I52 0.2- 0.2-
230419 G96 0.3- 0.0 230420 807 (0.3- 1.0+) 230421 I52 0.1- 0.2-
230419 G96 0.4+ 0.3- 230420 807 0.0 0.3- 230421 I52 0.3+ 0.2-
230419 I52 0.2+ 0.4+ 230420 J04 0.1- 0.4- 230421 I52 0.2+ 0.3-
230419 I52 0.0 0.1+ 230420 807 0.2- 0.4+ 230421 673 0.1+ 0.4-
230419 I52 0.2- 0.1- 230421 734 0.4+ 0.2+ 230421 673 0.2+ 0.1+
230420 J95 0.3- 0.1+ 230421 734 0.1- 0.4+
Ephemeris:
2023 HP2 a,e,i = 2.15, 0.49, 5 q = 1.0964
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 03 22 12 03 29.6 +28 36 13 0.1193 1.1021 151.1 25.9 21.8
...
2023 04 06 13 08 47.4 +11 10 05 0.1019 1.0980 162.5 15.9 21.1
...
2023 04 14 13 42 06.4 -00 43 49 0.1053 1.1068 170.8 8.3 20.9
...
2023 04 20 14 03 39.8 -08 53 08 0.1141 1.1182 175.7 3.8 20.9
2023 04 21 14 06 55.2 -10 06 49 0.1160 1.1205 176.3 3.4 20.9
2023 04 22 14 10 04.8 -11 17 57 0.1181 1.1229 176.6 3.0 21.0
...
2023 04 28 14 27 03.2 -17 28 57 0.1332 1.1395 175.9 3.6 21.3
...
2023 05 06 14 44 52.2 -23 23 16 0.1595 1.1670 172.8 6.2 21.9
...
2023 05 21 15 07 35.5 -29 12 11 0.2259 1.2330 166.9 10.7 22.9
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-H120
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