MPEC 2023-M140 : 2009 AU
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M.P.E.C. 2023-M140 Issued 2023 June 26, 02:51 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
2009 AU
Revision to MPEC 2009-A26
Additional Observations:
K09A00U 1C2023 06 25.35226822 18 22.118-03 29 29.98 20.18GVEM140G96
K09A00U 1C2023 06 25.35701222 18 22.187-03 29 02.98 20.53GVEM140G96
K09A00U 1C2023 06 25.36174522 18 22.237-03 28 35.29 20.35GVEM140G96
K09A00U 1C2023 06 25.36647522 18 22.266-03 28 09.01 20.74GVEM140G96
K09A00U C2023 06 25.42158922 18 22.711-03 22 54.85 20.7 GVEM140H01
K09A00U C2023 06 25.42723622 18 22.763-03 22 22.57 20.5 GVEM140H01
K09A00U KC2023 06 25.43453222 18 22.892-03 21 40.39 20.66GVEM140I52
K09A00U C2023 06 25.43528222 18 22.825-03 21 36.87 20.9 GVEM140H01
K09A00U KC2023 06 25.43547022 18 22.936-03 21 35.39 21.02GVEM140I52
K09A00U KC2023 06 25.43642522 18 22.914-03 21 29.92 20.75GVEM140I52
K09A00U C2023 06 25.44619222 18 22.923-03 20 34.70 20.8 GVEM140H01
K09A00U pC2023 06 26.02866622 18 32.28 -02 24 44.0 21.0 GVEM140L01
K09A00U pC2023 06 26.03140322 18 32.32 -02 24 28.0 21.0 GVEM140L01
K09A00U bC2023 06 26.03669622 18 32.34 -02 23 57.5 20.7 GVEM140L01
K09A00U bC2023 06 26.03859022 18 32.31 -02 23 46.9 20.6 GVEM140L01
K09A00U bC2023 06 26.03922122 18 32.39 -02 23 43.5 20.5 GVEM140L01
Observer details:
G96 Mt. Lemmon Survey. Observer J. B. Fazekas. 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. Observer R. A. Kowalski.
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.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector
+ CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or zero decimals in degrees), reference and Delta-T
230625 G96 177+ 27+ 230626 L01 177+ 28+ MPO740161 +153 days
Orbital elements:
2009 AU Earth MOID = 0.2224 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 263.19760 (2000.0) P Q
n 0.52157114 Peri. 60.46638 +0.83723860 +0.16343429
a 1.5284821 Node 285.69431 -0.44153696 +0.76503154
e 0.2654802 Incl. 32.82344 +0.32260911 +0.62290929
P 1.89 H 20.92 G 0.15 U 4
Residuals in seconds of arc
090102 G96 0.2+ 0.0 090102 J95 0.4+ 0.6+ 230625 H01 0.1+ 0.3+
090102 G96 0.3- 0.1- 090102 J95 0.4- 0.6+ 230625 I52 0.2- 0.4+
090102 G96 0.2+ 0.5- 090103 H01 0.0 0.1- 230625 H01 0.0 0.1+
090102 G96 0.3- 0.3- 090103 H01 0.1+ 0.0 230625 I52 0.4+ 0.0
090102 H01 0.1+ 0.1- 090103 H01 0.3+ 0.1- 230625 I52 0.1- 0.0
090102 H01 0.0 0.0 090103 H55 0.1+ 0.6- 230625 H01 0.1+ 0.0
090102 H01 0.1+ 0.1- 090103 H55 1.1- 0.2+ 230626 L01 0.2+ 0.1+
090102 G96 0.3- 0.1+ 090103 H55 0.7+ 0.2+ 230626 L01 0.5+ 0.2+
090102 H01 0.1+ 0.2- 230625 G96 0.2- 0.4- 230626 L01 0.1+ 0.0
090102 G96 0.5- 0.2- 230625 G96 0.0 0.4- 230626 L01 0.6- 0.4-
090102 G96 0.6+ 0.1+ 230625 G96 0.1+ 0.3+ 230626 L01 0.5+ 0.7-
090102 G96 0.2- 0.1+ 230625 G96 0.2- 0.3-
090102 J95 0.0 0.6+ 230625 H01 0.0 0.3+
Ephemeris:
2009 AU a,e,i = 1.53, 0.27, 33 q = 1.1227
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 05 27 21 50 28.3 -33 34 40 0.6464 1.3435 106.0 46.5 22.4
...
2023 06 11 22 09 17.1 -21 45 42 0.4941 1.2888 112.6 46.6 21.7
...
2023 06 19 22 15 33.5 -12 38 00 0.4249 1.2611 115.9 46.4 21.3
...
2023 06 25 22 18 15.2 -04 02 37 0.3819 1.2414 117.8 46.4 21.1
2023 06 26 22 18 31.2 -02 27 18 0.3757 1.2382 118.0 46.5 21.0
2023 06 27 22 18 43.9 -00 49 18 0.3698 1.2350 118.2 46.5 21.0
...
2023 07 03 22 18 47.0 +09 50 59 0.3412 1.2166 118.4 47.3 20.8
...
2023 07 11 22 15 06.7 +25 37 43 0.3239 1.1940 115.8 50.0 20.7
...
2023 07 26 21 52 03.4 +52 40 21 0.3540 1.1586 104.9 57.9 21.1
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-M140
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