[Iaude] MPEC S180: 2023 SW4 [a=1.62,e=0.26,i=9.3,H=22.1]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Sat Sep 23 13:34:58 EDT 2023
M.P.E.C. 2023-S180 Issued 2023 September 23, 17:33 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
2023 SW4
Observations:
K23S04W*1C2023 09 21.29024200 03 11.869+42 22 41.52 20.55GVES180G96
K23S04W 1C2023 09 21.29553300 03 11.668+42 22 51.46 20.70GVES180G96
K23S04W 1C2023 09 21.30097700 03 11.455+42 23 01.72 20.76GVES180G96
K23S04W mC2023 09 21.39959800 03 07.643+42 26 05.24 21.26GVES180I52
K23S04W mC2023 09 21.40217900 03 07.535+42 26 10.32 21.08GVES180I52
K23S04W mC2023 09 21.40480600 03 07.456+42 26 14.86 21.88GVES180I52
K23S04W mC2023 09 21.40739900 03 07.344+42 26 19.54 VES180I52
K23S04W KC2023 09 22.26289900 02 48.16 +42 52 51.5 20.9 VuES180H21
K23S04W KC2023 09 22.26851100 02 47.94 +42 53 01.7 21.0 VuES180H21
K23S04W KC2023 09 22.27412300 02 47.74 +42 53 12.2 21.4 VuES180H21
K23S04W KC2023 09 23.36932200 02 20.339+43 26 07.33 20.77GVES180I52
K23S04W KC2023 09 23.37960000 02 19.885+43 26 24.94 20.43GVES180I52
K23S04W KC2023 09 23.40457200 02 18.949+43 27 07.60 20.83GVES180I52
K23S04W KC2023 09 23.40961300 02 18.791+43 27 15.84 20.72GVES180I52
Observer details:
G96 Mt. Lemmon Survey. Observer J. K. Hogan. 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. 1.5-m reflector + 10K
CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers T. Linder, R. Holmes, L. Horn. 0.81-m f/4.0 astrograph + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observers K. W. Wierzchos, 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.
Orbital elements:
2023 SW4 Earth MOID = 0.2560 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 346.86526 (2000.0) P Q
n 0.47753612 Peri. 72.55499 +0.94073713 -0.31246375
a 1.6210580 Node 305.45869 +0.21561154 +0.85110501
e 0.2585390 Incl. 9.31437 +0.26177341 +0.42188466
P 2.06 H 22.19 G 0.15 U 9
Residuals in seconds of arc
230921 G96 0.0 0.1+ 230921 I52 0.0 0.0 230923 I52 0.1+ 0.0
230921 G96 0.0 0.0 230921 I52 0.2- 0.0 230923 I52 0.4- 0.1-
230921 G96 0.0 0.1- 230922 H21 0.1+ 0.6+ 230923 I52 0.1- 0.0
230921 I52 0.0 0.1- 230922 H21 0.1+ 0.7+ 230923 I52 0.3+ 0.2-
230921 I52 0.2- 0.3+ 230922 H21 0.3+ 0.9+
Ephemeris:
2023 SW4 a,e,i = 1.62, 0.26, 9 q = 1.2020
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 08 24 00 02 28.3 +23 11 58 0.3179 1.2585 135.7 34.1 21.6
...
2023 09 08 00 06 15.1 +34 08 40 0.2813 1.2292 137.2 33.8 21.3
...
2023 09 16 00 04 59.6 +39 22 38 0.2705 1.2176 137.0 34.3 21.2
...
2023 09 22 00 02 54.8 +42 44 43 0.2659 1.2109 136.6 34.7 21.2
2023 09 23 00 02 30.5 +43 15 04 0.2653 1.2100 136.5 34.8 21.2
2023 09 24 00 02 05.6 +43 44 24 0.2649 1.2091 136.4 34.9 21.2
...
2023 09 30 23 59 33.8 +46 18 19 0.2635 1.2049 135.9 35.4 21.2
...
2023 10 08 23 56 52.4 +48 41 27 0.2647 1.2021 135.3 35.8 21.2
...
2023 10 23 23 59 17.6 +50 01 00 0.2753 1.2061 135.1 35.6 21.3
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-S180
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