[Iaude] MPEC S177: 2023 ST4 [a=2.48,e=0.55,i=3.5,H=23.4]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Sat Sep 23 10:34:03 EDT 2023
M.P.E.C. 2023-S177 Issued 2023 September 23, 14:32 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 ST4
Observations:
K23S04T*1C2023 09 19.14842621 15 33.484+04 01 07.90 21.43GVES177G96
K23S04T 1C2023 09 19.15412221 15 33.620+04 01 12.22 22.36GVES177G96
K23S04T 1C2023 09 19.16550821 15 33.757+04 01 22.84 21.44GVES177G96
K23S04T KC2023 09 19.26766221 15 35.021+04 02 52.55 21.83GVES177V06
K23S04T KC2023 09 19.27083721 15 35.064+04 02 55.46 21.60GVES177V06
K23S04T KC2023 09 19.27401421 15 35.114+04 02 58.34 21.38GVES177V06
K23S04T KC2023 09 19.27718921 15 35.168+04 03 01.04 21.72GVES177V06
K23S04T 1C2023 09 19.81637 21 15 51.68 +04 10 49.2 21.6 VXES177033
K23S04T 1C2023 09 19.81996 21 15 51.78 +04 10 52.5 21.3 VXES177033
K23S04T 1C2023 09 19.82354 21 15 51.82 +04 10 55.9 21.1 VXES177033
K23S04T 1C2023 09 19.82742 21 15 51.88 +04 10 59.2 20.9 VXES177033
K23S04T KC2023 09 20.07334021 15 59.73 +04 14 44.8 21.8 VuES177H21
K23S04T KC2023 09 20.07919121 15 59.85 +04 14 50.0 22.0 VuES177H21
K23S04T KC2023 09 20.08250621 15 59.90 +04 14 53.1 21.9 VuES177H21
K23S04T KC2023 09 20.14571621 16 01.909+04 15 53.14 21.67GVES177V06
K23S04T KC2023 09 20.14755221 16 01.967+04 15 54.90 21.81GVES177V06
K23S04T KC2023 09 20.15019721 16 02.010+04 15 57.28 21.93GVES177V06
K23S04T KC2023 09 20.15203321 16 02.046+04 15 58.93 22.21GVES177V06
K23S04T KC2023 09 23.13953221 17 59.580+05 01 38.30 VES177I52
K23S04T KC2023 09 23.14460421 17 59.760+05 01 44.90 VES177I52
K23S04T KC2023 09 23.14967321 17 59.930+05 01 48.80 21.31GVES177I52
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.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers T. Linder, R. Holmes, L. Horn. 1.3-m f/4.0 astrograph + CCD.
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.
V06 Catalina Sky Survey-Kuiper. Observer K. W. Wierzchos. 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. 1.55-m
reflector + 1K CCD.
Orbital elements:
2023 ST4 Earth MOID = 0.1274 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 349.47213 (2000.0) P Q
n 0.25247820 Peri. 121.84679 +0.90002313 -0.43155460
a 2.4792489 Node 263.78223 +0.37628091 +0.83999089
e 0.5517444 Incl. 3.51698 +0.21993416 +0.32890110
P 3.90 H 23.41 G 0.15 U 9
Residuals in seconds of arc
230919 G96 0.7- 0.6+ 230919 033 0.2- 0.0 230920 V06 0.3- 0.3-
230919 G96 0.3+ 0.1- 230919 033 0.2+ 0.1+ 230920 V06 0.1+ 0.1-
230919 G96 0.2+ 0.4+ 230919 033 0.2- 0.2+ 230920 V06 0.0 0.2-
230919 V06 0.1- 0.0 230919 033 0.4- 0.1+ 230920 V06 0.1+ 0.1-
230919 V06 0.1- 0.2+ 230920 H21 0.1- 0.5+ 230923 I52 0.0 1.1-
230919 V06 0.0 0.3+ 230920 H21 0.1+ 0.4+ 230923 I52 0.1+ 0.7+
230919 V06 0.2+ 0.2+ 230920 H21 0.1- 0.5+ 230923 I52 0.1+ 0.2-
Ephemeris:
2023 ST4 a,e,i = 2.48, 0.55, 4 q = 1.1113
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 08 24 21 22 58.6 -01 32 53 0.3244 1.3271 164.9 11.5 22.3
...
2023 09 08 21 15 11.7 +01 28 46 0.2595 1.2426 151.8 22.5 22.0
...
2023 09 16 21 14 35.4 +03 16 11 0.2331 1.2040 144.9 28.7 21.9
...
2023 09 22 21 17 08.1 +04 44 16 0.2162 1.1787 140.4 32.9 21.8
2023 09 23 21 17 52.2 +04 59 47 0.2136 1.1748 139.7 33.5 21.8
2023 09 24 21 18 42.1 +05 15 33 0.2110 1.1710 139.1 34.1 21.8
...
2023 09 30 21 25 54.3 +06 56 15 0.1966 1.1505 135.7 37.5 21.7
...
2023 10 08 21 42 14.5 +09 27 56 0.1800 1.1295 132.8 40.5 21.5
...
2023 10 23 22 38 35.9 +14 56 58 0.1594 1.1115 133.8 40.2 21.2
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-S177
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