[Iaude] MPEC A160: 2022 RY4 [a=1.53,e=0.65,i=53.2,H=19.39]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Sun Jan 14 09:12:48 EST 2024
M.P.E.C. 2024-A160 Issued 2024 January 14, 14:11 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
2022 RY4
Revision to MPEC 2022-S04
Additional Observations:
K22R04Y C2011 09 21.36043023 58 17.611-04 13 14.22 22.84GVEA160F51
K22R04Y C2011 09 21.36920423 58 16.760-04 13 26.27 22.82GVEA160F51
K22R04Y C2011 09 21.38325523 58 15.430-04 13 45.09 22.22GVEA160F51
K22R04Y C2011 09 21.38852523 58 14.884-04 13 52.42 22.85GVEA160F51
K22R04Y C2020 10 16.22160220 34 23.717+06 33 29.61 22.58GVEA160F52
K22R04Y C2020 10 16.23326820 34 24.370+06 33 11.08 22.19GVEA160F52
K22R04Y C2020 10 16.25658620 34 25.673+06 32 33.82 22.75GVEA160F52
K22R04Y KC2024 01 12.44738222 04 48.230-73 16 08.36 21.1 GVEA160474
K22R04Y KC2024 01 12.45461722 04 45.670-73 15 56.66 21.1 GVEA160474
K22R04Y KC2024 01 12.46247122 04 42.773-73 15 43.34 21.4 GVEA160474
K22R04Y KC2024 01 12.46970122 04 40.205-73 15 32.36 21.3 GVEA160474
Observer details:
474 Mount John Observatory, Lake Tekapo. Observers A. C. Gilmore, P. M.
Kilmartin. Measurer P. M. Kilmartin. 1.0-m f/7.7 Reflector + CCD.
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.
F52 Pan-STARRS 2, 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.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
110921 F51 0.27- 0.17- 240112 474 0.20- 0.03- MPO782805 -0.02 days
Orbital elements:
2022 RY4 Earth MOID = 0.4600 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 276.97819 (2000.0) P Q
n 0.52156520 Peri. 9.83778 -0.98989976 +0.13152107
a 1.5284937 Node 176.21200 -0.08835175 -0.86425540
e 0.6524417 Incl. 53.23041 +0.11087120 +0.48555619
P 1.89 H 19.39 G 0.15 U 1
Residuals in seconds of arc
110921 F51 0.2+ 0.3- 220915 H21 0.0 0.1+ 220918 F52 0.1+ 0.2+
110921 F51 0.0 0.2- 220915 H21 0.0 0.1+ 220918 F52 0.2+ 0.0
110921 F51 0.3+ 0.4+ 220915 H21 0.0 0.2+ 220918 F52 0.1+ 0.2-
110921 F51 0.3- 0.4+ 220915 H21 0.2+ 0.2+ 220921 H21 0.4+ 0.2+
201016 F52 0.2- 0.3- 220915 H21 0.2- 0.3+ 220921 H21 0.1+ 0.0
201016 F52 0.2- 0.1- 220915 H21 0.2+ 0.1+ 220930 H21 0.8- 0.4-
201016 F52 0.3- 0.3+ 220916 H21 0.1+ 0.4+ 220930 H21 0.3- 0.1-
220914 F52 0.0 0.1- 220916 H21 0.2- 0.2+ 220930 H21 0.1- 0.8-
220914 F52 0.0 0.0 220916 H21 0.3- 0.2+ 220930 H21 0.6- 0.8-
220914 F52 0.0 0.1- 220917 H21 0.5+ 0.2+ 240112 474 0.2- 0.2+
220914 F52 0.1- 0.3+ 220917 H21 0.1+ 0.2+ 240112 474 0.1+ 0.0
220915 807 0.0 0.3- 220917 H21 0.3+ 0.2+ 240112 474 0.1- 0.5+
220915 807 0.4+ 0.4- 220917 H21 0.3+ 0.3+ 240112 474 0.1+ 0.4-
220915 807 0.2- 0.3- 220918 F52 0.2- 0.1+
Ephemeris:
2022 RY4 a,e,i = 1.53, 0.65, 53 q = 0.5312
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 12 15 01 37 07.3 -78 06 33 0.9876 1.1800 73.5 53.1 21.7
...
2023 12 30 23 35 05.4 -77 14 49 0.9125 1.0090 64.2 61.3 21.4
...
2024 01 07 22 39 21.7 -75 18 29 0.8533 0.9141 59.2 67.5 21.2
...
2024 01 13 22 01 27.9 -73 01 17 0.7997 0.8422 55.2 73.5 21.1
2024 01 14 21 55 25.2 -72 32 49 0.7901 0.8303 54.5 74.7 21.1
2024 01 15 21 49 27.1 -72 02 23 0.7802 0.8184 53.8 75.9 21.1
...
2024 01 21 21 15 28.4 -68 08 52 0.7181 0.7478 49.1 84.3 21.0
...
2024 01 29 20 37 28.8 -59 35 30 0.6339 0.6596 41.4 99.2 21.1
...
2024 02 13 20 06 43.0 -28 09 03 0.5661 0.5440 26.6 125.5 22.1
A. U. Tomatic (C) Copyright 2024 MPC M.P.E.C. 2024-A160
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