MPEC 2019-W40 : 2017 UH44
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M.P.E.C. 2019-W40 Issued 2019 November 18, 02:05 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
2017 UH44
Revision to MPEC 2017-U303
Additional Observations:
K17U44H C2012 10 24.29617700 38 04.631+31 14 03.32 21.6 GVEW040F51
K17U44H C2012 10 24.30751000 38 03.776+31 13 55.83 21.8 GVEW040F51
K17U44H C2012 12 27.26314100 42 12.231+16 40 16.01 21.5 GVEW040F51
K17U44H C2013 01 12.21983601 10 44.682+15 02 35.06 22.1 GVEW040F51
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, A.
Schultz, M. Willman. Measurers S. Chastel, M. Huber, Y. Ramanjooloo, R.
Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
121024 F51 0.03- 0.02- 130112 F51 0.03- 0.00- MPO446981 -0.00 days
Orbital elements:
2017 UH44 Earth MOID = 0.2951 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 Veres
M 81.11503 (2000.0) P Q
n 0.19759889 Peri. 213.16323 -0.44010701 -0.86011003
a 2.9193066 Node 264.14091 +0.86992219 -0.33721192
e 0.5721282 Incl. 15.02630 +0.22257856 -0.38275169
P 4.99 H 19.1 G 0.15 U 1
Residuals in seconds of arc
121024 F51 0.1+ 0.1- 171029 G96 0.2- 0.1+ 171121 F51 0.1- 0.0
121024 F51 0.1- 0.1- 171030 G96 0.4+ 0.8- 171121 F51 0.2- 0.1+
121227 F51 0.4+ 0.1+ 171030 G96 0.0 0.1+ 171127 G96 0.0 0.1-
130112 F51 0.3- 0.2+ 171030 G96 0.3- 0.0 171127 G96 0.2+ 0.3-
171028 G96 0.6+ 0.3+ 171030 G96 0.3+ 0.3+ 171127 G96 0.2+ 0.1+
171028 G96 0.2- 0.0 171030 711 0.3+ 0.2- 171127 G96 0.2- 0.2+
171028 G96 0.3+ 0.5- 171030 926 0.1- 0.0 171213 691 0.3- 0.6+
171028 H01 0.0 0.0 171030 711 0.1- 0.3- 171213 691 0.0 0.2+
171028 H01 0.0 0.1- 171030 711 0.1+ 0.1- 171213 691 0.1- 0.8+
171028 H01 0.0 0.1- 171030 926 0.1+ 0.1+ 171214 G96 0.4- 0.1-
171028 H01 0.1+ 0.1- 171030 926 0.1- 0.0 171214 G96 0.1- 0.0
171028 V06 0.1- 0.2- 171031 G96 0.8- 0.5+ 171214 G96 0.1+ 0.3+
171028 V06 0.3- 0.1- 171031 G96 0.2+ 0.4+ 171214 G96 0.3- 0.4+
171028 V06 0.1+ 0.0 171031 G96 0.2- 0.1+ 180113 F51 0.0 0.2-
171028 V06 0.0 0.1+ 171109 F51 0.0 0.2- 180113 F51 0.1+ 0.2+
171029 926 0.3+ 0.1- 171109 F51 0.1+ 0.1+ 180113 F51 0.2+ 0.2-
171029 926 0.4- 0.7- 171109 F51 0.1+ 0.1- 180226 I52 0.1- 0.2+
171029 926 0.3- 0.4- 171109 F51 0.0 0.1+ 180226 I52 0.2+ 0.1-
171029 711 0.2+ 0.2+ 171115 I52 0.0 0.2- 180226 I52 0.2+ 0.1-
171029 711 0.3+ 0.5+ 171115 I52 0.4+ 0.0 180226 I52 0.3+ 0.2-
171029 711 0.0 0.2+ 171115 I52 0.1- 0.2- 180406 807 0.0 0.1-
171029 G96 0.2- 0.1- 171115 I52 0.0 0.2- 180406 807 0.7- 0.5-
171029 G96 0.0 0.2- 171121 F51 0.0 0.1+ 180406 807 0.1- 0.4-
171029 G96 0.3+ 0.3+ 171121 F51 0.1- 0.1+
Ephemeris:
2017 UH44 a,e,i = 2.92, 0.57, 15 q = 1.2491
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 10 19 17 27 50.3 -20 49 06 4.6068 4.1569 57.5 11.7 26.2
...
2019 11 03 17 41 02.2 -20 46 55 4.8306 4.1971 45.6 9.7 26.3
...
2019 11 11 17 48 36.2 -20 44 09 4.9359 4.2177 39.4 8.6 26.3
...
2019 11 17 17 54 27.8 -20 41 08 5.0076 4.2327 34.7 7.7 26.3
2019 11 18 17 55 27.2 -20 40 33 5.0190 4.2352 34.0 7.5 26.3
2019 11 19 17 56 26.9 -20 39 56 5.0301 4.2377 33.2 7.3 26.3
...
2019 11 25 18 02 28.9 -20 35 41 5.0930 4.2524 28.6 6.4 26.3
...
2019 12 03 18 10 40.6 -20 28 25 5.1660 4.2714 22.4 5.1 26.2
...
2019 12 18 18 26 18.5 -20 09 30 5.2669 4.3057 11.2 2.5 26.2
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-W40
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