[Iaude] MPEC Y81: 2022 YF4 [a=1.00,e=0.45,i=7.0,H=23.63]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Sun Dec 24 09:10:11 EST 2023
M.P.E.C. 2023-Y81 Issued 2023 December 24, 14:08 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 YF4
Revision to MPEC 2022-Y148
Additional Observations:
K22Y04F KC2016 12 22.62061809 21 54.052+40 30 11.26 23.93GVEY081F51
K22Y04F C2017 01 02.44857008 34 32.416+44 24 59.36 22.81GVEY081F51
K22Y04F C2017 01 02.46021808 34 28.838+44 25 10.78 23.57GVEY081F51
K22Y04F C2017 01 02.47193108 34 25.176+44 25 22.08 23.23GVEY081F51
K22Y04F C2017 01 02.48365308 34 21.498+44 25 32.93 23.36GVEY081F51
K22Y04F KC2017 01 06.34826808 14 44.087+45 14 33.85 22.79GVEY081F51
K22Y04F C2017 12 13.54167109 41 46.605+38 12 53.21 23.42GVEY081F51
K22Y04F C2019 01 11.45951407 08 32.526+47 28 45.31 23.10GVEY081F51
K22Y04F C2019 01 11.47397207 08 28.030+47 28 38.76 22.95GVEY081F51
K22Y04F C2019 01 11.50290107 08 19.087+47 28 24.90 23.34GVEY081F51
K22Y04F C2019 01 12.41078507 03 55.382+47 21 08.98 23.31GVEY081F51
K22Y04F C2019 01 12.42382407 03 51.510+47 21 02.22 22.41GVEY081F51
K22Y04F C2019 01 12.43710107 03 47.536+47 20 55.35 23.40GVEY081F51
K22Y04F C2019 01 12.45028507 03 43.598+47 20 47.96 22.99GVEY081F51
K22Y04F C2020 01 01.45310907 42 22.744+48 54 02.12 23.03GVEY081F51
K22Y04F C2020 01 01.46681507 42 17.585+48 54 05.80 22.42GVEY081F51
K22Y04F C2020 01 01.49399707 42 07.210+48 54 11.61 22.96GVEY081F51
K22Y04F C2021 01 12.41200306 16 59.558+47 55 53.19 21.94GVEY081F51
K22Y04F C2021 01 12.42482606 16 56.381+47 55 38.89 23.62GVEY081F51
K22Y04F C2021 01 12.43768206 16 53.183+47 55 25.02 22.03GVEY081F51
K22Y04F C2023 12 12.49646008 37 05.091+54 37 29.64 22.05GVEY081F52
K22Y04F C2023 12 12.52102908 36 50.145+54 38 12.07 22.15GVEY081F52
K22Y04F C2023 12 15.28511 08 09 31.73 +55 38 39.2 21.6 GVEY081I52
K22Y04F C2023 12 15.29131 08 09 27.97 +55 38 45.9 21.5 GVEY081I52
K22Y04F 7C2023 12 23.07722306 55 30.270+55 49 42.95 21.8 GVEY081Z84
K22Y04F 7C2023 12 23.13699406 54 58.522+55 48 57.10 VEY081Z84
K22Y04F 7C2023 12 23.19739606 54 26.786+55 48 07.76 21.9 GVEY081Z84
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.
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.
I52 Steward Observatory, Mt. Lemmon Station. Observer K. W. Wierzchos.
Measurers B. Gray, D. Rankin, F. C. Shelly. 1.0-m f/2.0 prime focus +
CCD.
Z84 Calar Alto-Schmidt. Observers F. Ocana, R. Kresken, M. Micheli, L.
Conversi. Measurers F. Ocana, M. Micheli. 0.8-m f/3 Schmidt + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
161222 F51 1.10+ 0.98+ 231223 Z84 0.48+ 0.18+ MPO782812 -0.15 days
Orbital elements:
2022 YF4 Earth MOID = 0.0057 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 355.42592 (2000.0) P Q
n 0.98027773 Peri. 293.62537 +0.68802053 +0.72447526
a 1.0036215 Node 20.03540 -0.61311986 +0.61127441
e 0.4463250 Incl. 7.04041 -0.38821617 +0.31855801
P 1.01 H 23.63 G 0.15 U 2
Residuals in seconds of arc
161222 F51 0.0 0.1+ 200101 F51 0.4+ 0.2+ 221223 V06 0.1- 0.1-
170102 F51 0.1- 0.1- 200101 F51 0.1- 0.1- 221223 V06 0.1- 0.1+
170102 F51 0.3+ 0.1+ 210112 F51 0.3- 0.1- 221223 V06 0.3- 0.2+
170102 F51 0.1+ 0.2+ 210112 F51 0.3- 0.2- 221223 V06 0.4- 0.1+
170102 F51 0.3- 0.1- 210112 F51 0.4- 0.3+ 221223 V06 0.4- 0.1-
170106 F51 0.2+ 0.2+ 221221 V00 0.2+ 0.1- 221225 V06 0.1+ 0.1-
171213 F51 0.2+ 0.4+ 221221 V00 0.2- 0.3- 221225 V06 0.1- 0.4+
190111 F51 0.4+ 0.4- 221221 V00 0.2- 0.3+ 221225 V06 0.0 0.3+
190111 F51 0.1+ 0.1- 221221 V00 0.1+ 0.2+ 231212 F52 0.1+ 0.4-
190111 F51 0.3- 0.0 221221 V06 (0.2- 4.4+) 231212 F52 0.3+ 0.3-
190112 F51 0.2- 0.2- 221221 V06 0.2- 0.3- 231215 I52 0.3- 0.3+
190112 F51 0.2+ 0.2- 221222 V06 0.1+ 0.2+ 231215 I52 0.2+ 0.2+
190112 F51 0.3+ 0.1- 221222 V06 0.0 0.1- 231223 Z84 0.0 0.1+
190112 F51 0.4+ 0.5- 221223 V06 0.1- 0.0 231223 Z84 0.0 0.0
200101 F51 0.0 0.2- 221223 V06 0.2- 0.0 231223 Z84 0.1+ 0.1+
Ephemeris:
2022 YF4 a,e,i = 1.00, 0.45, 7 q = 0.5557
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 11 24 10 51 53.4 +38 13 47 0.2048 1.0159 92.1 76.2 22.9
...
2023 12 09 09 09 53.6 +52 37 24 0.2169 1.1223 124.5 46.3 22.3
...
2023 12 17 07 52 25.1 +56 00 32 0.2370 1.1731 138.9 33.5 22.3
...
2023 12 23 06 56 11.1 +55 50 27 0.2600 1.2083 146.1 27.0 22.3
2023 12 24 06 47 46.4 +55 37 34 0.2645 1.2139 146.9 26.2 22.4
2023 12 25 06 39 42.8 +55 22 10 0.2692 1.2194 147.6 25.6 22.4
...
2023 12 31 05 59 12.9 +53 10 45 0.3012 1.2514 149.1 23.8 22.6
...
2024 01 08 05 24 42.5 +49 30 16 0.3534 1.2902 145.5 25.6 23.1
...
2024 01 23 05 00 10.9 +43 16 34 0.4744 1.3514 132.7 32.4 24.0
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-Y81
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