[Iaude] MPEC E153: 2020 HX2 [a=0.87,e=0.31,i=9.3,H=22.08]
mpec at cfa.harvard.edu
mpec at cfa.harvard.edu
Tue Mar 12 08:42:27 EDT 2024
M.P.E.C. 2024-E153 Issued 2024 March 12, 12:41 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 at CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2020 HX2
Revision to MPEC 2020-H91
Additional Observations:
K20H02X C2024 01 22.61938514 46 12.160+04 46 24.26 22.80GVEE153F51
K20H02X C2024 01 22.63260914 46 12.925+04 46 45.71 22.45GVEE153F51
K20H02X C2024 01 22.64584114 46 13.679+04 47 07.03 22.05GVEE153F51
K20H02X C2024 01 22.65911514 46 14.454+04 47 28.44 22.39GVEE153F51
K20H02X 1C2024 03 12.43461314 52 22.076+37 15 00.29 20.82GVEE153G96
K20H02X 1C2024 03 12.44098814 52 21.140+37 15 19.19 20.69GVEE153G96
K20H02X 1C2024 03 12.44727314 52 20.219+37 15 38.20 20.89GVEE153G96
K20H02X 1C2024 03 12.45356814 52 19.272+37 15 57.17 20.85GVEE153G96
K20H02X C2024 03 12.47231814 52 16.360+37 16 52.42 20.7 GVEE153H01
K20H02X C2024 03 12.47700714 52 15.670+37 17 06.56 20.8 GVEE153H01
K20H02X C2024 03 12.48574814 52 14.390+37 17 32.68 20.7 GVEE153H01
K20H02X C2024 03 12.49285614 52 13.343+37 17 53.77 21.0 GVEE153H01
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Herman, T. Lowe, P. Minguez, A.
Schultz, I. Smith. Measurers K. Chambers, T. de Boer, J. Fairlamb, H.
Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R.
Weryk. 1.8-m Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey. Observer D. Rankin. Measurers T. Beuden, V. F.
Carvajal, 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, 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.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
240122 F51 0.02- 0.23- 240312 H01 0.63- 0.83- E2023-Y82 +0.24 days
Orbital elements:
2020 HX2 Earth MOID = 0.0856 AU
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5 Veres
M 187.03849 (2000.0) P Q
n 1.21627099 Peri. 266.30074 +0.98371638 -0.08337645
a 0.8691922 Node 98.43409 +0.13787434 +0.91836876
e 0.3131360 Incl. 9.26256 -0.11529419 +0.38684258
P 0.81 H 22.08 G 0.15 U 1
Residuals in seconds of arc
200418 F52 0.2- 0.1+ 200422 033 0.4- 0.5- 240122 F51 0.2- 0.0
200418 F52 0.2+ 0.1+ 200422 L01 0.1+ 0.3- 240122 F51 0.1- 0.2-
200418 F52 0.0 0.1+ 200422 033 0.3- 0.2- 240312 G96 0.0 0.4+
200418 F52 (0.3+ 0.4+) 200422 033 0.4- 0.5- 240312 G96 0.0 0.0
200420 033 0.6- 0.3- 200422 L01 (1.5+ 0.8-) 240312 G96 0.1+ 0.1-
200420 033 0.2- 0.1- 200422 H21 0.6+ 0.0 240312 G96 0.1- 0.1-
200420 033 0.5- 0.1- 200422 H21 0.9+ 0.3- 240312 H01 0.0 0.1-
200420 033 0.2+ 0.3- 200422 H21 0.6+ 0.1- 240312 H01 0.0 0.0
200421 I52 0.3+ 0.1+ 200425 I52 0.2- 0.7- 240312 H01 0.1+ 0.0
200421 I52 0.1- 0.4+ 200425 I52 0.5+ 0.5+ 240312 H01 0.1+ 0.1-
200422 033 0.4- 0.6- 240122 F51 0.2+ 0.1+
200422 L01 0.8+ 0.1+ 240122 F51 0.1+ 0.1+
Ephemeris:
2020 HX2 a,e,i = 0.87, 0.31, 9 q = 0.5970
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2024 02 11 15 05 18.9 +14 36 55 0.2819 1.0751 100.6 64.4 21.8
...
2024 02 26 15 09 29.8 +24 41 18 0.2542 1.1131 112.7 55.1 21.3
...
2024 03 05 15 04 19.5 +31 01 26 0.2410 1.1268 118.5 50.7 21.1
...
2024 03 11 14 55 18.8 +36 02 37 0.2330 1.1342 122.0 48.0 21.0
2024 03 12 14 53 17.6 +36 53 02 0.2319 1.1352 122.5 47.6 21.0
2024 03 13 14 51 06.6 +37 43 18 0.2309 1.1361 122.9 47.3 21.0
...
2024 03 19 14 34 23.8 +42 35 27 0.2262 1.1400 124.8 45.8 20.9
...
2024 03 27 14 01 51.2 +48 08 55 0.2243 1.1413 125.0 45.8 20.9
...
2024 04 11 12 38 03.1 +52 57 32 0.2338 1.1313 118.1 51.4 21.1
A. U. Tomatic (C) Copyright 2024 MPC M.P.E.C. 2024-E153
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