MPEC 2023-H254 : 2022 HL1
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M.P.E.C. 2023-H254 Issued 2023 April 30, 14:46 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
2022 HL1
Revision to MPEC 2022-H58
Additional Observations:
K22H01L C2023 04 22.16049 09 02 31.38 -26 28 47.6 21.8 GVEH254I52
K22H01L C2023 04 22.16676 09 02 37.00 -26 26 33.6 VEH254I52
K22H01L C2023 04 25.13658 09 48 10.65 -07 01 02.9 21.3 GVEH254I52
K22H01L C2023 04 25.13957 09 48 13.11 -06 59 49.7 22.0 GVEH254I52
K22H01L C2023 04 25.14557 09 48 18.04 -06 57 22.5 22.3 GVEH254I52
K22H01L KC2023 04 26.15715810 02 45.298-00 09 47.66 20.88GVEH254I52
K22H01L KC2023 04 26.16897810 02 54.589-00 05 08.09 20.99GVEH254I52
K22H01L KC2023 04 26.17350110 02 58.146-00 03 20.63 22.25GVEH254I52
K22H01L KC2023 04 26.17801810 03 01.688-00 01 34.03 21.02GVEH254I52
Observer details:
I52 Steward Observatory, Mt. Lemmon Station. Observers R. A. Kowalski, A.
Serrano. Measurers B. Gray, D. Rankin, F. C. Shelly, 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, R. L. Seaman, A.
Serrano, K. W. Wierzchos. 1.0-m f/2.0 prime focus + CCD, 1.0-m prime
focus + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
230422 I52 0.23+ 0.18+ 230426 I52 0.33+ 0.04+ MPO740995 +0.06 days
Orbital elements:
2022 HL1 Earth MOID = 0.0301 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 40.41203 (2000.0) P Q
n 0.97446403 Peri. 248.24101 -0.16099384 -0.95795736
a 1.0076093 Node 213.89887 +0.98695041 -0.15702849
e 0.1019083 Incl. 25.20167 -0.00314043 -0.24012445
P 1.01 H 25.38 G 0.15 U 1
Residuals in seconds of arc
220424 G96 (0.7- 1.1+) 220425 J95 0.3+ 0.5- 220427 033 0.1- 0.1+
220424 G96 (0.3+ 1.2+) 220425 J95 0.2+ 0.1+ 220427 I52 0.5+ 0.6-
220424 G96 0.4- 0.1- 220425 J95 0.1- 0.2+ 220427 I52 0.1+ 0.1+
220424 G96 0.3- 0.3+ 220425 Y00 0.4+ 0.2- 220427 I52 0.1- 0.1+
220424 I52 0.2+ 0.3+ 220425 Y00 0.3- 0.2- 220427 I52 0.0 0.1-
220424 I52 0.1- 0.2+ 220425 Y00 0.2- 0.1+ 220427 033 0.0 0.7+
220424 I52 0.6+ 0.6- 220425 654 0.0 0.1- 220427 033 0.0 0.4-
220424 I52 0.0 0.2- 220425 I52 0.0 0.1+ 220427 033 0.1+ 0.1+
220424 L01 0.7- 0.1+ 220425 I52 0.3+ 0.0 220504 V06 0.1+ 0.0
220424 L01 0.4- 0.1+ 220425 I52 0.1+ 0.1+ 220504 V06 0.0 0.1+
220424 L01 0.3- 0.4+ 220425 654 0.0 0.0 220504 V06 0.3- 0.2-
220424 L01 0.1+ 0.7+ 220425 654 0.0 0.1- 220504 V06 0.2+ 0.4+
220424 L01 0.2+ 0.4+ 220426 807 0.2- 0.1- 230422 I52 0.2+ 0.2+
220424 L01 0.4+ 0.0 220426 807 0.4- 0.3+ 230422 I52 0.1- 0.5-
220424 I93 0.1+ 0.1- 220426 807 (0.2+ 0.8+) 230425 I52 0.2- 0.0
220424 I93 0.3+ 0.4+ 220426 I52 0.1- 0.4- 230425 I52 0.1- 0.1-
220424 I93 0.3- 0.2+ 220426 I52 0.2- 0.2- 230425 I52 0.1- 0.1+
220425 958 0.7- 0.6+ 220426 I52 0.1- 0.0 230426 I52 0.1+ 0.3+
220425 958 0.1- 0.2- 220426 I52 0.4- 0.1+ 230426 I52 0.1+ 0.1-
220425 958 0.7+ 1.2- 220427 033 0.0 0.1+ 230426 I52 0.1+ 0.2+
220425 J95 0.3+ 0.4+ 220427 033 0.2+ 0.2+ 230426 I52 0.1- 0.1-
Ephemeris:
2022 HL1 a,e,i = 1.01, 0.10, 25 q = 0.9049
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 03 31 04 47 28.1 -62 40 25 0.1912 0.9885 81.4 87.5 24.8
...
2023 04 15 07 10 49.2 -52 58 03 0.09322 1.0148 94.6 80.1 23.1
...
2023 04 23 09 15 48.1 -21 16 46 0.05849 1.0284 111.8 65.2 21.6
...
2023 04 29 10 39 46.7 +16 33 17 0.06592 1.0383 116.9 59.9 21.7
2023 04 30 10 51 27.7 +21 16 04 0.07009 1.0399 116.2 60.3 21.9
2023 05 01 11 02 27.3 +25 22 00 0.07481 1.0415 115.3 61.0 22.0
...
2023 05 07 11 55 27.9 +40 24 03 0.1102 1.0508 109.6 64.8 23.0
...
2023 05 15 12 41 13.8 +47 57 39 0.1646 1.0625 104.0 67.4 24.0
...
2023 05 30 13 30 41.6 +51 29 01 0.2678 1.0816 97.5 68.3 25.1
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-H254
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