[Iaude] MPEC S241: 2018 RW3 [a=1.85,e=0.59,i=13.2,H=22.51]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Wed Sep 27 10:08:37 EDT 2023
M.P.E.C. 2023-S241 Issued 2023 September 27, 14:07 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 RW3
Revision to MPEC 2018-R117
Additional Observations:
K18R03W KC2023 09 25.30501420 49 09.217-13 06 15.01 20.01GVES241I52
K18R03W KC2023 09 25.30998320 49 12.817-13 05 29.40 19.37GVES241I52
K18R03W KC2023 09 25.31074320 49 13.357-13 05 21.73 19.64GVES241I52
K18R03W KC2023 09 26.11185820 58 40.937-11 09 11.56 18.63GVES241I52
K18R03W KC2023 09 26.11292920 58 41.668-11 09 02.12 18.44GVES241I52
K18R03W KC2023 09 26.11400020 58 42.280-11 08 53.81 19.57GVES241I52
Observer details:
I52 Steward Observatory, Mt. Lemmon Station. Observer A. Serrano. Measurers
E. J. Christensen, 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, A. Serrano, F. C. Shelly, K. W.
Wierzchos. 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
230925 I52 7.58- 4.47- 230926 I52 7.16- 4.32- MPO562912 -0.97 days
Orbital elements:
2018 RW3 Earth MOID = 0.0237 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 16.52317 (2000.0) P Q
n 0.39217732 Peri. 283.78314 +0.14711848 +0.98887991
a 1.8484785 Node 354.53537 -0.79620856 +0.10535577
e 0.5868642 Incl. 13.19680 -0.58686291 +0.10496037
P 2.51 H 22.51 G 0.15 U 0
Residuals in seconds of arc
180909 703 0.0 0.2+ 180910 711 0.2+ 0.2- 180921 I52 0.0 0.3-
180909 703 0.5+ 1.2- 180910 711 0.1+ 0.3- 180921 H21 0.0 0.1+
180909 703 0.7+ 0.4- 180910 711 0.1- 0.2- 180921 H21 0.0 0.1+
180909 703 0.8- 0.1+ 180910 711 0.5+ 0.5- 180921 F65 0.3+ 0.0
180909 I52 0.0 0.1- 180911 I52 0.1+ 0.1- 180921 F65 0.5- 0.1+
180909 I52 0.2+ 0.1+ 180911 I52 0.1- 0.1- 180928 I52 1.6- 0.1+
180909 I52 0.1- 0.0 180911 I52 0.0 0.2- 180928 I52 0.5+ 0.1+
180909 I52 0.0 0.1+ 180914 T05 0.8+ 0.0 180928 I52 0.2+ 0.0
180910 J04 0.1- 0.0 180914 T05 0.5+ 0.3- 180928 H21 0.1- 0.1+
180910 J04 0.2- 0.1+ 180914 T05 0.3+ 0.8+ 180928 H21 0.3+ 0.0
180910 J04 0.2- 0.3+ 180914 T05 0.2- 0.3- 180928 H21 0.1- 0.1+
180910 L01 0.0 0.3- 180915 I52 0.1+ 0.3+ 180929 H21 0.1- 0.0
180910 L01 0.1+ 0.1+ 180915 I52 0.1- 0.1+ 180929 H21 0.1+ 0.1+
180910 L01 0.1+ 0.1+ 180915 I52 0.3- 0.1- 180929 H21 0.2- 0.2-
180910 I52 0.2+ 0.4+ 180918 703 0.1- 0.4+ 180930 H21 0.1- 0.3-
180910 I52 0.2+ 0.2- 180918 703 0.7+ 0.1- 180930 H21 0.1- 0.1+
180910 I52 0.1+ 0.3+ 180918 703 0.4+ 0.0 180930 H21 0.3- 0.4-
180910 I52 0.1- 1.5- 180918 703 0.5+ 1.3- 181017 H21 0.3+ 0.4+
180910 H36 0.5- 0.6+ 180919 A17 0.0 0.4+ 181017 H21 0.2- 0.3+
180910 H36 0.2+ 0.4+ 180919 A17 0.1+ 0.0 181017 H21 0.0 0.4+
180910 H36 0.7- 0.7+ 180919 A17 0.1- 0.1- 181018 V06 0.1+ 0.3+
180910 H36 0.8- 1.1+ 180920 H21 0.1+ 0.1- 181018 V06 0.3+ 0.2-
180910 711 0.1- 0.2- 180920 H21 0.1+ 0.1- 181018 V06 0.4+ 0.0
180910 711 0.0 0.3- 180920 H21 0.2+ 0.2- 181018 V06 0.4+ 0.2+
180910 711 0.1- 0.3- 180921 204 0.1+ 0.1+ 230925 I52 0.6- 0.3-
180910 711 0.1- 0.3- 180921 204 0.1- 0.2+ 230925 I52 0.8- 0.3-
180910 711 0.0 0.2- 180921 204 0.0 0.0 230925 I52 1.0- 0.4+
180910 711 0.1- 0.2- 180921 I52 0.4- 0.2- 230926 I52 0.8+ 0.0
180910 711 0.3+ 0.4- 180921 I52 0.1+ 0.1- 230926 I52 1.4+ 0.6+
180910 711 0.0 0.2- 180921 I52 0.2- 0.8- 230926 I52 0.3+ 0.0
Ephemeris:
2018 RW3 a,e,i = 1.85, 0.59, 13 q = 0.7637
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 08 28 12 14 51.0 -27 43 44 0.2511 0.8562 46.3 121.5 24.1
...
2023 09 12 14 51 53.1 -41 22 05 0.1099 0.9686 66.8 107.3 21.7
...
2023 09 20 19 09 15.9 -30 03 58 0.09148 1.0371 108.4 66.8 19.7
...
2023 09 26 20 57 24.1 -11 24 07 0.1273 1.0905 130.9 44.0 19.9
2023 09 27 21 07 54.9 -09 11 44 0.1358 1.0995 132.9 41.9 20.0
2023 09 28 21 17 08.3 -07 14 03 0.1447 1.1086 134.6 40.1 20.1
...
2023 10 04 21 54 58.0 +00 46 51 0.2045 1.1632 139.3 34.1 20.8
...
2023 10 12 22 22 45.5 +06 04 46 0.2945 1.2365 139.3 31.8 21.7
...
2023 10 27 22 53 29.9 +10 22 14 0.4838 1.3729 133.6 31.6 23.0
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-S241
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