MPEC 2023-S175 : 2023 SR4
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M.P.E.C. 2023-S175 Issued 2023 September 23, 14:30 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
2023 SR4
Observations:
K23S04R*1C2023 09 20.33434501 30 08.838-04 14 08.92 20.64GVES175G96
K23S04R 1C2023 09 20.33953501 30 10.868-04 12 56.95 20.41GVES175G96
K23S04R 1C2023 09 20.34993901 30 14.922-04 10 32.52 20.21GVES175G96
K23S04R C2023 09 20.38330601 30 27.313-04 02 52.88 20.7 GVES175H01
K23S04R C2023 09 20.38843101 30 29.311-04 01 41.52 20.2 GVES175H01
K23S04R C2023 09 20.39663301 30 32.532-03 59 47.50 20.4 GVES175H01
K23S04R C2023 09 20.40478001 30 35.721-03 57 54.05 20.4 GVES175H01
K23S04R mC2023 09 20.43058801 30 46.393-03 51 50.72 22.38GVES175I52
K23S04R mC2023 09 20.43106601 30 46.584-03 51 44.53 20.42GVES175I52
K23S04R mC2023 09 20.43154501 30 46.818-03 51 37.62 21.27GVES175I52
K23S04R mC2023 09 20.43202001 30 46.966-03 51 31.54 20.71GVES175I52
K23S04R 1C2023 09 20.95608 01 34 51.88 -01 50 26.5 21.0 VXES175033
K23S04R 1C2023 09 20.95717 01 34 52.36 -01 50 11.7 21.3 VXES175033
K23S04R 1C2023 09 20.95827 01 34 52.77 -01 49 55.7 21.4 VXES175033
K23S04R KC2023 09 23.43726901 53 08.833+07 42 53.86 21.49GVES175I52
K23S04R KC2023 09 23.43848901 53 09.251+07 43 10.20 20.97GVES175I52
K23S04R KC2023 09 23.43970601 53 09.726+07 43 26.83 20.93GVES175I52
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers S. Melnikov, C.
Hogner, F. Ludwig, M. Hartmann, B. Stecklum. Measurer B. Stecklum.
1.34-m f/3 Schmidt + CCD.
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.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 Ritchey-Chretien + 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 SR4 Earth MOID = 0.0427 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 353.91335 (2000.0) P Q
n 0.42867534 Peri. 2.69951 +0.99588360 -0.09048827
a 1.7420090 Node 2.51045 +0.08074693 +0.85927751
e 0.3999741 Incl. 6.90547 +0.04118003 +0.50344218
P 2.30 H 26.44 G 0.15 U 8
Residuals in seconds of arc
230920 G96 0.0 0.0 230920 H01 0.2+ 0.1- 230920 033 0.9+ 0.3-
230920 G96 0.0 0.0 230920 I52 0.2- 0.1+ 230920 033 0.3+ 0.4+
230920 G96 0.2- 0.0 230920 I52 0.2- 0.4- 230923 I52 0.1+ 0.0
230920 H01 0.2+ 0.1- 230920 I52 0.5+ 0.2- 230923 I52 0.5- 0.1-
230920 H01 0.1+ 0.1- 230920 I52 0.1- 0.7- 230923 I52 0.2- 0.1+
230920 H01 0.2+ 0.2- 230920 033 0.4+ 0.1+
Ephemeris:
2023 SR4 a,e,i = 1.74, 0.40, 7 q = 1.0453
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 08 24 22 42 53.5 -49 52 47 0.1181 1.1053 140.9 35.3 23.5
...
2023 09 08 23 59 23.3 -38 45 49 0.06895 1.0649 144.9 33.0 22.2
...
2023 09 16 00 57 01.1 -19 50 13 0.05157 1.0520 153.4 25.4 21.3
...
2023 09 22 01 42 37.0 +02 14 34 0.04780 1.0467 152.7 26.1 21.1
2023 09 23 01 50 00.3 +06 04 49 0.04817 1.0462 151.3 27.4 21.2
2023 09 24 01 57 16.5 +09 49 46 0.04881 1.0458 149.6 29.1 21.3
...
2023 09 30 02 37 22.2 +28 41 29 0.05762 1.0456 138.7 39.3 21.9
...
2023 10 08 03 18 24.0 +43 10 39 0.07758 1.0514 130.5 46.3 22.8
...
2023 10 23 03 56 38.5 +53 06 45 0.1238 1.0800 130.7 44.3 23.8
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-S175
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