[Iaude] MPEC Q41: 2017 UY42 [a=1.36,e=0.57,i=4.9,H=21.2,PHA]
mpec at mpcdb1.cfa.harvard.edu
mpec at mpcdb1.cfa.harvard.edu
Wed Aug 22 04:15:17 EDT 2018
M.P.E.C. 2018-Q41 Issued 2018 Aug. 22, 08:12 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 at CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2017 UY42
Revision to MPEC 2017-U283
Additional Observations:
K17U42Y C2018 08 11.37074020 58 34.660-11 52 17.80 23.18GVEQ041T12
K17U42Y C2018 08 11.37419020 58 34.241-11 52 19.41 23.35GVEQ041T12
K17U42Y C2018 08 14.34879120 52 44.721-12 13 41.52 23.26GVEQ041T12
K17U42Y C2018 08 14.35271820 52 44.256-12 13 43.09 23.12GVEQ041T12
Observer details:
T12 Mauna Kea-UH/Tholen NEO Follow-Up (2.24-m). Observers D. J. Tholen,
D. Hung. Measurer D. J. Tholen. 2.24-m f/10.1 reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
180811 T12 5.9- 1.8- 180814 T12 6.0- 1.7- MPO435142 +0.0014 day
Orbital elements:
2017 UY42 PHA, Earth MOID = 0.0417 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 34.03194 (2000.0) P Q
n 0.62338407 Peri. 230.86103 -0.91432029 -0.39672148
a 1.3571637 Node 285.62964 +0.39275555 -0.81953813
e 0.5706287 Incl. 4.85039 +0.09880023 -0.41348437
P 1.58 H 21.2 G 0.15 U 5
Residuals in seconds of arc
171027 G96 0.1- 0.1- 171029 711 0.4- 0.1- 171115 I52 0.4+ 0.5-
171027 G96 0.1+ 0.1- 171029 H36 0.3- 0.3+ 171115 I52 0.1+ 0.6-
171027 G96 0.2- 0.0 171029 G96 0.1+ 0.1- 171115 I52 0.2+ 0.5-
171027 G96 0.1- 0.1+ 171029 G96 0.1+ 0.3- 171115 I52 0.3- 0.7-
171027 V06 0.3+ 0.2- 171029 G96 0.4+ 0.1- 171115 G96 0.2- 0.6-
171027 658 0.1- 0.8+ 171029 H36 0.2- 0.3+ 171115 G96 0.1+ 0.8-
171027 V06 0.4+ 0.3- 171029 G96 0.3- 0.2- 171115 G96 0.2+ 0.2-
171027 V06 0.3+ 0.2- 171029 J95 0.2+ 0.1- 171115 G96 0.4+ 0.3-
171027 658 0.1- 0.9+ 171029 J95 0.0 0.4- 171119 691 0.6- 0.3-
171027 V06 0.2+ 0.4- 171029 J95 0.1+ 0.1- 171119 691 0.0 0.3+
171027 658 0.2- 0.7+ 171030 G96 0.3+ 0.3- 171119 691 0.3- 0.2-
171028 V06 0.5+ 0.3+ 171030 G96 0.4+ 0.1- 171122 691 0.3- 0.3+
171028 V06 0.7+ 0.0 171030 G96 0.0 0.2- 171122 691 0.4+ 0.9+
171028 V06 0.2+ 0.5- 171030 G96 0.1+ 0.2- 171122 691 0.0 0.4+
171028 V06 0.4+ 0.2- 171030 711 0.5+ 0.7+ 171123 691 0.1+ 0.0
171028 926 0.0 0.2+ 171030 711 1.4+ 0.6+ 171123 691 0.2+ 0.3-
171028 926 0.0 0.0 171030 711 0.5+ 0.6+ 171123 691 0.3- 0.3-
171028 926 0.3- 0.0 171030 926 0.0 0.1+ 171125 691 0.1+ 0.5-
171028 658 0.1+ 0.8+ 171030 926 0.0 0.0 171125 691 0.1- 0.2+
171028 658 0.0 0.4+ 171030 926 0.2- 0.1+ 171125 691 0.1- 0.1+
171028 658 0.2+ 0.3+ 171106 291 0.0 0.1+ 171207 691 (0.5- 2.1-)
171028 711 0.0 0.4+ 171106 291 0.2+ 0.0 171207 691 0.1- 0.1+
171028 711 0.1- 0.1+ 171106 291 0.0 0.5+ 171207 691 0.3+ 0.2+
171028 711 0.0 0.3+ 171111 I52 0.1+ 0.5- 180811 T12 0.1- 0.1+
171029 691 0.7- 0.2+ 171111 I52 0.2+ 0.5- 180811 T12 0.0 0.0
171029 691 0.0 0.1+ 171111 I52 0.4+ 0.4- 180814 T12 0.1- 0.0
171029 691 0.3- 0.1- 171111 I52 0.3+ 0.1+ 180814 T12 0.1- 0.1+
171029 H36 0.3- 0.2- 171114 204 0.2+ 1.4-
171029 711 0.2- 0.0 171114 204 0.4- 0.1-
Ephemeris:
2017 UY42 a,e,i = 1.36, 0.57, 5 q = 0.5827
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 07 23 21 38 42.6 -09 30 18 0.9196 1.8923 155.7 12.8 23.2
...
2018 08 07 21 07 30.7 -11 19 45 0.9409 1.9531 174.8 2.7 22.8
...
2018 08 15 20 51 30.2 -12 18 11 0.9783 1.9817 168.8 5.7 23.1
...
2018 08 21 20 40 47.3 -12 58 07 1.0181 2.0014 160.8 9.6 23.4
2018 08 22 20 39 08.5 -13 04 20 1.0256 2.0046 159.5 10.2 23.4
2018 08 23 20 37 32.4 -13 10 25 1.0334 2.0077 158.2 10.8 23.5
...
2018 08 29 20 28 52.8 -13 43 58 1.0850 2.0255 150.4 14.3 23.7
...
2018 09 06 20 20 02.0 -14 20 30 1.1659 2.0470 140.5 18.2 24.0
...
2018 09 21 20 11 44.5 -15 04 22 1.3461 2.0807 123.9 23.6 24.5
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-Q41
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