MPEC 2023-W48 : 2008 WY13
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M.P.E.C. 2023-W48 Issued 2023 November 20, 13:13 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
2008 WY13
Revision to MPEC 2008-W29
Additional Observations:
K08W13Y C2023 11 17.84301 05 04 48.71 +18 54 46.1 22.3 wVEW048O18
K08W13Y C2023 11 17.84944 05 04 47.45 +18 54 37.8 22.3 wVEW048O18
K08W13Y C2023 11 17.85583 05 04 46.20 +18 54 29.7 21.9 wVEW048O18
K08W13Y C2023 11 18.84421 05 01 39.47 +18 33 31.8 22.3 wVEW048O18
K08W13Y C2023 11 18.85060 05 01 38.27 +18 33 23.6 22.0 wVEW048O18
K08W13Y C2023 11 18.85705 05 01 37.02 +18 33 15.4 22.4 wVEW048O18
K08W13Y C2023 11 19.87229 04 58 28.87 +18 12 07.5 21.9 wVEW048O18
K08W13Y C2023 11 19.87775 04 58 27.84 +18 12 00.8 22.1 wVEW048O18
K08W13Y C2023 11 19.88318 04 58 26.84 +18 11 54.0 22.5 wVEW048O18
Observer details:
O18 WFST, Lenghu. Observers Z. Y. Liu, S. X. Li, Z. Q. Li, Q. Y. Hai, K. Yan,
J. Z. Zhu, N. Jiang, Z. Y. Cai. Measurers B. Li, H. B. Zhao, Z. J. Xu, G.
T. Zhaori. 2.5-m f/2.48 reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or zero decimals in degrees), reference and Delta-T
231117 O18 122+ 21+ 231119 O18 116+ 19+ MPO740155 +48.9 days
Orbital elements:
2008 WY13 Earth MOID = 0.0504 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 6.62766 (2000.0) P Q
n 0.26396141 Peri. 72.09872 +0.61096633 +0.75850545
a 2.4068134 Node 237.72478 -0.78906412 +0.56030960
e 0.7390980 Incl. 15.55237 -0.06401527 +0.33275010
P 3.73 H 21.65 G 0.15 U 2
Residuals in seconds of arc
081120 G96 0.4+ 0.2+ 081122 291 1.0- 0.3+ 081130 G96 0.9- 0.1+
081120 G96 0.1+ 0.5+ 081122 291 0.0 0.6- 081130 G96 0.5+ 0.7+
081120 G96 0.2+ 0.0 081122 291 0.2+ 0.3- 081201 291 0.9- 0.4-
081120 G96 0.4+ 0.2+ 081123 H55 0.0 0.0 081201 291 0.5- 0.8-
081120 854 1.5+ 0.8+ 081123 H55 0.1- 0.2- 081201 291 1.0+ 0.2-
081120 854 2.1+ 0.7- 081123 H55 0.7+ 0.7+ 081202 291 0.2+ 0.1-
081120 854 0.4- 0.6+ 081124 291 0.2+ 0.2- 081202 291 0.3+ 0.0
081120 G96 0.6+ 0.0 081124 291 0.4- 0.5+ 081202 291 0.1- 0.6-
081120 G96 0.2+ 0.0 081124 291 0.4- 0.4- 231117 O18 0.0 0.0
081120 G96 0.3+ 0.8+ 081127 H55 0.7+ 0.1- 231117 O18 0.0 0.0
081120 G96 0.2- 0.2+ 081127 H55 0.5+ 0.1- 231117 O18 0.0 0.2+
081121 291 0.4- 0.8- 081127 H55 0.3+ 0.0 231118 O18 0.1- 0.0
081121 291 0.4- 0.2- 081130 291 0.3+ 0.7+ 231118 O18 0.3+ 0.0
081121 291 0.2- 0.3- 081130 291 0.2- 1.1- 231118 O18 0.1+ 0.0
081121 H36 1.0- 0.6+ 081130 291 0.0 1.2+ 231119 O18 0.1- 0.1-
081121 H36 0.1+ 1.2+ 081130 G96 0.7- 0.1+ 231119 O18 0.2- 0.1+
081121 H36 0.1- 0.2+ 081130 G96 0.4+ 0.3+ 231119 O18 0.1+ 0.0
Ephemeris:
2008 WY13 a,e,i = 2.41, 0.74, 16 q = 0.6279
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 10 21 06 43 34.9 +29 44 48 0.4715 1.2223 107.4 51.0 22.3
...
2023 11 05 05 49 16.3 +23 51 02 0.5134 1.4000 134.4 30.4 22.2
...
2023 11 13 05 20 50.6 +20 42 24 0.5533 1.4918 149.1 19.9 22.2
...
2023 11 19 05 01 10.8 +18 30 22 0.5941 1.5592 159.6 12.8 22.2
2023 11 20 04 58 06.1 +18 09 36 0.6020 1.5703 161.3 11.7 22.2
2023 11 21 04 55 05.2 +17 49 16 0.6100 1.5813 162.9 10.6 22.2
...
2023 11 27 04 38 26.7 +15 56 57 0.6647 1.6470 171.3 5.2 22.3
...
2023 12 05 04 20 21.8 +13 55 49 0.7532 1.7324 170.1 5.6 22.7
...
2023 12 20 03 58 47.5 +11 35 52 0.9634 1.8864 151.3 14.5 23.8
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-W48
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