[Iaude] MPEC A36: 2020 PF5 [a=1.18,e=0.47,i=4.1,H=23.18]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Thu Jan 4 09:12:15 EST 2024
M.P.E.C. 2024-A36 Issued 2024 January 4, 14:10 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 PF5
Revision to MPEC 2020-Q43
Additional Observations:
K20P05F C2023 12 17.14398 03 37 07.49 +39 10 09.1 20.9 GVEA036I52
K20P05F C2023 12 17.16335 03 36 58.77 +39 09 57.4 VEA036I52
K20P05F KC2024 01 03.14493001 23 01.244+28 56 29.62 21.19GVEA036I52
K20P05F KC2024 01 03.14880101 22 59.387+28 56 15.00 21.82GVEA036I52
K20P05F KC2024 01 03.15267001 22 57.529+28 56 00.96 21.41GVEA036I52
Observer details:
I52 Steward Observatory, Mt. Lemmon Station. Observers G. J. Leonard, R. A.
Kowalski. Measurers B. Gray, D. Rankin, F. C. Shelly, E. C. Beshore, 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, R. L. Seaman, K. W.
Wierzchos. 1.0-m f/2.0 prime focus + CCD, 1.0-m prime focus + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
231217 I52 0.72- 0.39- 240103 I52 0.16- 0.40- MPO782714 -0.17 days
Orbital elements:
2020 PF5 Earth MOID = 0.0230 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 223.11989 (2000.0) P Q
n 0.77320917 Peri. 238.95229 -0.94414895 +0.32636548
a 1.1756320 Node 320.04563 -0.27302380 -0.85206741
e 0.4717097 Incl. 4.06108 -0.18450138 -0.40922697
P 1.27 H 23.18 G 0.15 U 2
Residuals in seconds of arc
200813 F51 0.0 0.1+ 200817 F51 0.1- 0.0 200818 F51 0.1- 0.0
200813 F51 0.1+ 0.0 200817 F51 0.0 0.0 200826 V06 0.2- 0.1-
200813 F51 0.0 0.1+ 200817 F51 0.1- 0.0 200826 V06 0.1+ 0.1+
200813 F51 0.1- 0.0 200817 F51 0.0 0.0 200826 V06 0.1+ 0.4+
200815 568 0.0 0.0 200817 F51 0.1+ 0.0 200826 V06 0.0 0.1+
200815 568 0.0 0.0 200817 F51 0.2- 0.1- 231217 I52 0.4+ 0.3-
200815 568 0.0 0.0 200817 F51 0.2+ 0.0 231217 I52 0.4- 0.1-
200816 033 (0.9- 0.7-) 200818 F52 0.4- 0.2+ 240103 I52 0.3- 0.1+
200816 033 0.1- 0.5- 200818 F52 (1.1+ 0.2+) 240103 I52 0.1- 0.2-
200817 711 0.4- 0.7- 200818 F52 0.1- 0.0 240103 I52 0.1+ 0.1+
200817 711 0.1+ 0.7+ 200818 F51 0.1+ 0.0
200817 711 0.3- 0.8+ 200818 F51 0.0 0.1+
Ephemeris:
2020 PF5 a,e,i = 1.18, 0.47, 4 q = 0.6211
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 12 05 04 47 38.4 +39 05 24 0.2900 1.2660 163.1 13.1 21.8
...
2023 12 20 03 15 56.3 +38 27 33 0.2062 1.1574 144.2 29.8 21.4
...
2023 12 28 02 12 03.0 +34 19 14 0.1798 1.0952 124.5 47.8 21.4
...
2024 01 03 01 24 10.4 +29 05 24 0.1679 1.0468 107.8 63.4 21.7
2024 01 04 01 16 27.6 +28 03 49 0.1666 1.0386 104.9 66.2 21.7
2024 01 05 01 08 50.8 +26 59 59 0.1654 1.0304 102.0 69.0 21.8
...
2024 01 11 00 25 21.4 +19 58 21 0.1618 0.9805 84.2 86.3 22.2
...
2024 01 19 23 32 29.8 +09 37 03 0.1659 0.9128 60.2 110.8 23.3
...
2024 02 03 22 04 53.2 -08 37 14 0.2094 0.7878 17.2 158.4 29.7
A. U. Tomatic (C) Copyright 2024 MPC M.P.E.C. 2024-A36
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