[Iaude] MPEC H54: 2018 XF5 [a=1.39,e=0.21,i=7.4,H=23.68]
mpec at cfa.harvard.edu
mpec at cfa.harvard.edu
Sun Apr 21 10:10:47 EDT 2024
M.P.E.C. 2024-H54 Issued 2024 April 21, 14:09 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
2018 XF5
Revision to MPEC 2018-Y15
Additional Observations:
K18X05F KC2024 04 12.31147914 21 26.086-29 37 24.82 22.20GVEH054I52
K18X05F KC2024 04 12.31872414 21 25.801-29 37 08.51 21.67GVEH054I52
K18X05F KC2024 04 12.32596414 21 25.466-29 36 51.77 22.18GVEH054I52
K18X05F KC2024 04 12.33319414 21 25.182-29 36 35.60 21.61GVEH054I52
K18X05F 0C2024 04 17.57167614 18 42.930-26 13 57.10 21.81GVEH054T12
K18X05F 0C2024 04 17.57277114 18 42.881-26 13 54.56 21.69GVEH054T12
K18X05F 0C2024 04 17.57395114 18 42.827-26 13 51.63 21.71GVEH054T12
K18X05F 0C2024 04 17.57509414 18 42.774-26 13 48.83 21.71GVEH054T12
K18X05F KC2024 04 20.29083314 17 14.800-24 27 44.70 19.97GVEH054I52
K18X05F KC2024 04 20.29702414 17 14.310-24 27 28.70 20.72GVEH054I52
Observer details:
I52 Steward Observatory, Mt. Lemmon Station. Observers V. F. Carvajal, D.
Rankin, D. C. Fuls. 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. 1.0-m prime focus + CCD.
T12 University of Hawaii 88-inch telescope, Maunakea. Observer D. J. Tholen.
2.24-m f/10.1 reflector + 2112 x 2112 pixels STA1600 10k CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
240412 I52 90.5+ 5.2+ 240420 I52 88.0+ 9.2+ MPO782551 +0.01 days
Orbital elements:
2018 XF5 Earth MOID = 0.1654 AU
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5 Veres
M 33.35159 (2000.0) P Q
n 0.59939074 Peri. 279.04964 -0.81910434 -0.56592811
a 1.3931441 Node 226.55005 +0.56387198 -0.76427421
e 0.2132575 Incl. 7.42156 +0.10543465 -0.30920915
P 1.64 H 23.68 G 0.15 U 2
Residuals in seconds of arc
181213 F51 0.1+ 0.1+ 181217 568 0.1- 0.0 190113 807 0.0 0.0
181213 F51 0.0 0.1- 181230 807 0.1+ 0.1- 240412 I52 0.5- 0.3-
181213 F51 0.0 0.1- 181230 807 0.1- 0.2- 240412 I52 0.1- 0.3-
181213 F51 0.1+ 0.1+ 181230 807 0.1- 0.2- 240412 I52 0.4- 0.1+
181214 691 0.3+ 0.4- 181231 807 0.3- 0.2+ 240412 I52 0.1+ 0.0
181214 691 0.1+ 0.1- 181231 807 0.2+ 0.5+ 240417 T12 0.1- 0.0
181214 691 0.3+ 0.0 181231 807 0.6+ 0.0 240417 T12 0.1- 0.1-
181217 H21 1.1+ 0.2- 190112 807 0.0 0.4- 240417 T12 0.1- 0.0
181217 H21 0.1- 0.1+ 190112 807 0.3+ 0.3- 240417 T12 0.1- 0.0
181217 H21 1.1- 0.4+ 190112 807 0.3+ 0.5+ 240420 I52 1.6+ 0.3-
181217 568 0.0 0.0 190113 807 0.1- 0.2+ 240420 I52 1.0- 1.3+
181217 568 0.0 0.0 190113 807 0.1- 0.0
Ephemeris:
2018 XF5 a,e,i = 1.39, 0.21, 7 q = 1.0960
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2024 03 22 14 19 14.1 -40 15 45 0.2190 1.1496 130.1 41.5 22.3
...
2024 04 06 14 23 34.7 -33 24 58 0.2140 1.1856 146.8 27.5 21.9
...
2024 04 14 14 20 37.3 -28 32 23 0.2181 1.2073 157.4 18.6 21.7
...
2024 04 20 14 17 24.0 -24 38 35 0.2257 1.2244 165.5 11.8 21.6
2024 04 21 14 16 50.4 -23 59 36 0.2273 1.2273 166.8 10.7 21.6
2024 04 22 14 16 17.0 -23 20 47 0.2291 1.2303 168.1 9.7 21.6
...
2024 04 28 14 13 07.4 -19 35 02 0.2425 1.2482 174.1 4.7 21.5
...
2024 05 06 14 09 58.7 -15 07 36 0.2674 1.2728 169.6 8.2 21.9
...
2024 05 21 14 09 43.4 -09 17 20 0.3356 1.3201 153.1 20.3 22.9
A. U. Tomatic (C) Copyright 2024 MPC M.P.E.C. 2024-H54
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