[Iaude] MPEC U15: 2019 UY9 [a=2.49,e=0.75,i=34.9,H=20.43]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Mon Oct 16 10:10:54 EDT 2023
M.P.E.C. 2023-U15 Issued 2023 October 16, 14:09 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
2019 UY9
Revision to MPEC 2019-U244
Additional Observations:
K19U09Y C2023 03 28.24674309 11 44.931+68 29 11.39 22.82GVEU015F52
K19U09Y C2023 03 28.26076309 11 41.496+68 28 55.57 22.46GVEU015F52
K19U09Y C2023 03 28.28887309 11 34.791+68 28 23.65 22.62GVEU015F52
K19U09Y 0C2023 04 23.24287808 22 23.825+56 17 32.68 22.85GVEU015T12
K19U09Y 0C2023 04 23.25052208 22 23.588+56 17 16.43 23.04GVEU015T12
K19U09Y 0C2023 04 23.25848108 22 23.342+56 16 59.49 22.75GVEU015T12
K19U09Y C2023 09 11.57959104 27 05.702-01 51 52.86 21.49GVEU015F52
K19U09Y C2023 09 11.59116504 27 04.058-01 51 41.77 21.84GVEU015F52
K19U09Y C2023 09 11.60274204 27 02.402-01 51 31.05 21.67GVEU015F52
K19U09Y C2023 09 19.52965904 06 35.777+00 13 30.00 21.86GVEU015F51
K19U09Y C2023 09 19.58806904 06 25.616+00 14 25.31 21.28GVEU015F52
K19U09Y C2023 09 19.60054504 06 23.421+00 14 37.51 20.80GVEU015F52
K19U09Y C2023 09 19.61310304 06 21.194+00 14 49.06 21.14GVEU015F52
K19U09Y C2023 09 19.62551704 06 19.032+00 15 00.96 21.30GVEU015F52
K19U09Y C2023 10 06.50059903 11 05.235+04 35 01.81 21.67GVEU015F51
K19U09Y C2023 10 06.51192203 11 02.787+04 35 11.68 21.55GVEU015F51
K19U09Y C2023 10 06.52328703 11 00.290+04 35 21.48 21.37GVEU015F51
K19U09Y C2023 10 10.51173602 56 44.646+05 31 34.78 21.57GVEU015F51
K19U09Y C2023 10 14.38043 02 43 01.28 +06 22 39.9 22.1 GVEU015I52
K19U09Y C2023 10 14.39203 02 42 58.82 +06 22 49.2 21.6 GVEU015I52
K19U09Y KC2023 10 15.27052302 39 55.050+06 33 55.00 21.85GVEU015I52
K19U09Y KC2023 10 15.27430402 39 54.260+06 33 57.10 21.55GVEU015I52
K19U09Y KC2023 10 15.27809202 39 53.420+06 34 00.10 21.48GVEU015I52
K19U09Y KC2023 10 15.28187202 39 52.660+06 34 02.50 21.34GVEU015I52
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, T. Lowe, P. Minguez, A.
Schultz, I. Smith. Measurers K. Chambers, T. de Boer, J. Fairlamb, H.
Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R.
Weryk. 1.8-m Ritchey-Chretien + CCD.
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, T. Lowe, P. Minguez, A.
Schultz, I. Smith. Measurers K. Chambers, T. de Boer, J. Fairlamb, H.
Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R.
Weryk. 1.8-m Ritchey-Chretien + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer J. K. Hogan. Measurers
B. Gray, D. Rankin, F. C. Shelly, E. C. Beshore, 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, R. L. Seaman, K. W. Wierzchos.
1.0-m f/2.0 prime focus + CCD, 1.0-m prime focus + CCD.
T12 University of Hawaii 88-inch telescope, Maunakea. Observer D. Hung.
Measurer D. J. Tholen. 2.24-m f/10.1 reflector + 2112 x 2112 pixels
STA1600 10k CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
230328 F52 0.20+ 0.15+ 231015 I52 0.32+ 0.70+ E2023-P06 +1.05 days
Orbital elements:
2019 UY9 Earth MOID = 0.2032 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 MPC
M 18.75976 (2000.0) P Q
n 0.25089202 Peri. 233.60033 -0.11335940 +0.93876966
a 2.4896874 Node 34.62564 -0.62422382 +0.18747868
e 0.7503312 Incl. 34.93233 -0.77297753 -0.28907312
P 3.93 H 20.43 G 0.15 U 0
Residuals in seconds of arc
191024 F51 0.3- 0.1+ 191030 807 0.0 0.2- 230423 T12 0.1+ 0.8-
191024 F51 0.1- 0.0 191031 I52 0.1- 1.4- 230911 F52 0.3- 0.0
191024 F51 0.1- 0.0 191031 I52 0.0 1.6+ 230911 F52 0.1+ 0.2+
191024 F51 0.1- 0.1+ 191031 F52 0.0 0.1+ 230911 F52 0.3+ 0.0
191025 807 0.0 0.1+ 191031 F52 0.2- 0.2+ 230919 F51 0.4- 0.0
191025 807 0.2- 0.1+ 191031 F52 0.2- 0.2+ 230919 F52 0.3+ 0.0
191025 807 0.2- 0.0 191031 F52 0.1- 0.4+ 230919 F52 0.1+ 0.4+
191026 807 0.4- 0.1+ 191102 F52 0.2- 0.3+ 230919 F52 0.3- 0.0
191026 807 0.2+ 0.1+ 191102 F52 0.0 0.3- 230919 F52 0.1- 0.2+
191026 807 0.2+ 0.1+ 191102 F52 0.1+ 0.2- 231006 F51 0.2- 0.3-
191027 691 0.0 0.3- 191102 F52 0.1- 0.1- 231006 F51 0.2+ 0.3-
191027 691 0.4+ 0.3- 191121 807 0.6- 0.5+ 231006 F51 0.1+ 0.4-
191027 691 0.5+ 0.4+ 191121 807 0.9- 0.7- 231010 F51 0.2+ 0.2-
191027 568 0.0 0.1- 191121 807 0.2+ 0.0 231014 I52 0.2- 0.6-
191027 568 (0.3+ 0.4+) 230328 F52 0.1+ 0.9- 231014 I52 0.2+ 0.2-
191027 568 0.1+ 0.1+ 230328 F52 0.2- 0.9- 231015 I52 0.0 0.4+
191028 H21 0.5- 0.1+ 230328 F52 0.1+ 1.0- 231015 I52 0.2+ 0.4-
191028 H21 0.2- 0.4+ 230423 T12 0.1+ 0.8- 231015 I52 0.3- 0.2-
191030 807 0.6+ 0.1- 230423 T12 0.1+ 0.8- 231015 I52 0.4+ 0.7-
Ephemeris:
2019 UY9 a,e,i = 2.49, 0.75, 35 q = 0.6216
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 09 16 04 16 11.6 -00 42 10 0.7060 1.4054 109.1 42.5 22.1
...
2023 10 01 03 30 22.8 +03 13 00 0.7081 1.5784 134.1 27.1 21.9
...
2023 10 09 03 02 09.3 +05 10 42 0.7315 1.6674 148.5 18.2 21.8
...
2023 10 15 02 40 51.5 +06 30 36 0.7631 1.7325 159.3 11.7 21.8
2023 10 16 02 37 23.0 +06 43 02 0.7696 1.7432 161.1 10.7 21.7
2023 10 17 02 33 56.5 +06 55 14 0.7765 1.7539 162.9 9.6 21.7
...
2023 10 23 02 14 14.8 +08 02 43 0.8257 1.8173 172.8 3.9 21.7
...
2023 10 31 01 51 23.5 +09 18 12 0.9115 1.8998 172.0 4.2 22.0
...
2023 11 15 01 21 06.4 +11 05 55 1.1273 2.0485 150.8 13.6 23.0
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-U15
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