MPEC 2019-G161: 2005 UC1
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M.P.E.C. 2019-G161 Issued 2019 Apr. 14, 20:37 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. 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
2005 UC1
Revision to MPEC 2005-U44
Additional Observations:
K05U01C C2019 04 04.48081613 58 23.209-23 54 52.16 21.6 GVEG161F51
K05U01C C2019 04 04.50412913 58 22.395-23 54 07.25 21.0 GVEG161F51
K05U01C C2019 04 04.51579113 58 22.015-23 53 44.30 21.7 GVEG161F51
K05U01C C2019 04 08.44128 13 56 20.214-21 34 53.12 21.5 wUEG161F51
K05U01C C2019 04 08.45224 13 56 19.726-21 34 28.35 21.8 wUEG161F51
K05U01C C2019 04 08.46322 13 56 19.242-21 34 02.60 21.6 wUEG161F51
K05U01C C2019 04 08.47418 13 56 18.778-21 33 37.48 21.3 wUEG161F51
K05U01C |C2019 04 11.23122 13 54 32.96 -19 41 50.7 21.4 VuEG161807
K05U01C |C2019 04 11.23610 13 54 32.73 -19 41 38.3 21.5 VuEG161807
K05U01C |C2019 04 11.24060 13 54 32.49 -19 41 26.9 21.3 VuEG161807
K05U01C KC2019 04 11.28118 13 54 31.40 -19 40 03.5 21.6 RoEG161291
K05U01C KC2019 04 11.28780 13 54 31.15 -19 39 46.2 21.2 RoEG161291
K05U01C |C2019 04 13.14552 13 53 11.88 -18 17 41.0 21.1 VuEG161807
K05U01C |C2019 04 13.15004 13 53 11.67 -18 17 28.7 21.2 VuEG161807
K05U01C |C2019 04 13.15456 13 53 11.43 -18 17 16.7 21.2 VuEG161807
K05U01C C2019 04 13.34322 13 53 02.45 -18 09 05.5 VEG161I52
K05U01C C2019 04 13.34488 13 53 02.34 -18 08 59.8 VEG161I52
K05U01C C2019 04 13.34655 13 53 02.25 -18 08 53.6 20.8 GVEG161I52
Observer details:
291 LPL/Spacewatch II. Observer T. H. Bressi. 1.8-m f/2.7 reflector + CCD.
807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes.
0.61-m f/6.5 astrograph + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe,
E. Magnier, A. Schultz, M. Willman. Measurers S. Chastel, M. Huber,
Y. Ramanjooloo, R. Wainscoat, R. Weryk, K. Chambers, T. de Boer,
L. Denneau, J. Fairlamb, H. Flewelling, C.-C. Lin, E. Magnier. 1.8-m
Ritchey-Chretien + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer H. Groeller.
Measurers B. M. Africano, E. J. Christensen, G. A. Farneth, D. C. Fuls,
A. R. Gibbs, A. D. Grauer, H. Groeller, R. A. Kowalski, S. M. Larson,
G. J. Leonard, T. A. Pruyne, R. L. Seaman, F. C. Shelly. 1.0-m reflector
+ CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or integer in degrees), reference and Delta-T
190404 F51 54+ 9- 190413 I52 56+ 8- MPO 90332 -44 day
Orbital elements:
2005 UC1 Earth MOID = 0.2879 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 300.76399 (2000.0) P Q
n 0.55913586 Peri. 89.39885 +0.46460014 +0.86756432
a 1.4592325 Node 210.38546 -0.88551909 +0.45481039
e 0.2402307 Incl. 20.53420 -0.00162641 +0.20119559
P 1.76 H 21.8 G 0.15 U 4
Residuals in seconds of arc
051023 703 (2.8- 0.3-) 051024 413 0.0 0.2- 190404 F51 0.2+ 0.2-
051023 703 0.3+ 0.2+ 051025 291 0.0 0.1- 190408 F51 0.1- 0.1+
051023 703 0.1- 0.5- 051025 291 0.4- 0.3- 190408 F51 0.2- 0.3-
051023 703 (0.9+ 1.9+) 051025 291 (1.8- 1.6-) 190408 F51 0.2- 0.3+
051023 703 0.6- 0.3+ 051025 G96 0.6- 0.2- 190408 F51 0.1+ 0.2+
051023 703 (1.7- 1.8+) 051025 G96 0.0 0.1- 190411 807 0.1+ 0.3+
051023 703 1.3+ 0.6- 051025 734 0.4+ 0.4+ 190411 807 0.2+ 0.2+
051024 291 1.1- 0.9- 051025 G96 0.7- 0.2- 190411 807 0.1- 0.1+
051024 291 0.1- 0.4+ 051025 G96 0.3- 0.0 190411 291 0.0 0.2-
051024 291 0.1+ 0.6+ 051025 734 1.3+ 0.5+ 190411 291 1.0+ 0.3+
051024 G96 0.7- 0.1+ 051025 734 0.1+ 0.3+ 190413 807 0.2- 0.0
051024 G96 0.2- 0.1+ 051028 G96 0.7+ 0.1+ 190413 807 0.1+ 0.1+
051024 G96 0.4+ 0.3+ 051028 G96 0.8+ 0.1+ 190413 807 0.1+ 0.2-
051024 G96 0.4+ 0.4+ 051028 G96 0.3+ 0.4+ 190413 I52 (0.6+ 2.9-)
051024 682 (0.8- 2.0-) 051028 G96 0.3+ 0.4- 190413 I52 (0.2+ 1.7-)
051024 682 (0.3+ 1.8-) 190404 F51 0.1- 0.2+ 190413 I52 0.2+ 0.1-
051024 413 0.2- 0.2+ 190404 F51 0.1- 0.3-
Ephemeris:
2005 UC1 a,e,i = 1.46, 0.24, 21 q = 1.1087
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 03 15 13 58 24.3 -30 38 21 0.6365 1.5016 132.9 29.0 23.0
...
2019 03 30 14 00 10.5 -26 31 20 0.5017 1.4510 148.8 20.9 22.1
...
2019 04 07 13 57 09.0 -22 28 20 0.4427 1.4233 159.1 14.5 21.6
...
2019 04 13 13 53 17.8 -18 24 23 0.4062 1.4023 167.9 8.6 21.2
2019 04 14 13 52 33.0 -17 38 29 0.4008 1.3987 169.5 7.5 21.1
2019 04 15 13 51 46.7 -16 51 07 0.3957 1.3952 171.0 6.4 21.0
...
2019 04 21 13 46 45.1 -11 38 16 0.3695 1.3741 178.5 1.1 20.5
...
2019 04 29 13 39 39.7 -03 42 56 0.3479 1.3459 165.0 11.2 20.8
...
2019 05 14 13 29 41.3 +11 15 56 0.3467 1.2940 139.5 30.4 21.4
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-G161
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