MPEC 2017-U283: 2017 UY42
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M.P.E.C. 2017-U283 Issued 2017 Oct. 30, 16:59 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 UY42
Observations:
K17U42Y* C2017 10 27.25702 01 08 37.74 +25 37 25.7 UEU283G96
K17U42Y C2017 10 27.26231 01 08 36.46 +25 37 21.8 20.2 GUEU283G96
K17U42Y C2017 10 27.26767 01 08 35.13 +25 37 17.9 20.5 GUEU283G96
K17U42Y C2017 10 27.27294 01 08 33.85 +25 37 14.1 20.1 GUEU283G96
K17U42Y C2017 10 27.37014 01 08 10.19 +25 35 59.5 20.5 GUEU283V06
K17U42Y 1C2017 10 27.37045 01 08 10.50 +25 35 55.3 EU283658
K17U42Y C2017 10 27.37100 01 08 09.99 +25 35 58.7 20.4 GUEU283V06
K17U42Y C2017 10 27.37185 01 08 09.78 +25 35 58.2 20.4 GUEU283V06
K17U42Y 1C2017 10 27.37219 01 08 10.08 +25 35 54.0 EU283658
K17U42Y C2017 10 27.37271 01 08 09.56 +25 35 57.3 20.4 GUEU283V06
K17U42Y 1C2017 10 27.37565 01 08 09.23 +25 35 51.2 EU283658
K17U42Y C2017 10 28.10158 01 05 18.39 +25 26 33.1 20.0 GUEU283V06
K17U42Y C2017 10 28.10209 01 05 18.28 +25 26 32.4 19.9 GUEU283V06
K17U42Y C2017 10 28.10259 01 05 18.12 +25 26 31.6 20.1 GUEU283V06
K17U42Y C2017 10 28.10310 01 05 18.01 +25 26 31.5 20.5 GUEU283V06
K17U42Y C2017 10 28.13313 01 05 10.60 +25 26 09.4 20.0 RoEU283926
K17U42Y C2017 10 28.13626 01 05 09.83 +25 26 06.8 19.9 RoEU283926
K17U42Y C2017 10 28.13941 01 05 09.03 +25 26 04.4 20.0 RoEU283926
K17U42Y 1C2017 10 28.23204 01 04 46.21 +25 24 45.5 EU283658
K17U42Y 1C2017 10 28.23388 01 04 45.75 +25 24 43.7 EU283658
K17U42Y 1C2017 10 28.23573 01 04 45.31 +25 24 42.1 EU283658
K17U42Y KC2017 10 28.23752 01 04 44.45 +25 24 48.1 oEU283711
K17U42Y KC2017 10 28.24027 01 04 43.76 +25 24 45.6 oEU283711
K17U42Y KC2017 10 28.24380 01 04 42.88 +25 24 42.9 oEU283711
K17U42Y C2017 10 29.16711 01 00 59.07 +25 11 42.6 20.2 VoEU283691
K17U42Y C2017 10 29.17076 01 00 58.19 +25 11 39.4 19.9 VoEU283691
K17U42Y C2017 10 29.17442 01 00 57.24 +25 11 36.0 20.4 VoEU283691
K17U42Y KC2017 10 29.17766 01 00 56.00 +25 11 31.1 20.0 RqEU283H36
K17U42Y KC2017 10 29.18809 01 00 53.58 +25 11 25.3 oEU283711
K17U42Y KC2017 10 29.19099 01 00 52.83 +25 11 22.7 oEU283711
K17U42Y KC2017 10 29.19573 01 00 51.40 +25 11 15.8 19.4 RqEU283H36
K17U42Y C2017 10 29.22814 01 00 43.55 +25 10 49.4 20.5 GUEU283G96
K17U42Y C2017 10 29.22940 01 00 43.23 +25 10 48.1 20.4 GUEU283G96
K17U42Y C2017 10 29.23151 01 00 42.71 +25 10 46.5 20.6 GUEU283G96
K17U42Y KC2017 10 29.23185 01 00 42.21 +25 10 43.9 20.0 RqEU283H36
K17U42Y C2017 10 29.23279 01 00 42.33 +25 10 45.3 20.6 GUEU283G96
K17U42Y KC2017 10 29.94784 00 57 44.85 +24 59 47.8 UEU283J95
K17U42Y KC2017 10 29.95289 00 57 43.54 +24 59 42.8 UEU283J95
K17U42Y KC2017 10 29.95837 00 57 42.14 +24 59 37.9 20.1 GUEU283J95
K17U42Y C2017 10 30.09269 00 57 09.90 +24 57 35.5 21.1 GUEU283G96
K17U42Y C2017 10 30.09357 00 57 09.68 +24 57 34.9 20.3 GUEU283G96
K17U42Y C2017 10 30.09541 00 57 09.18 +24 57 33.1 20.5 GUEU283G96
K17U42Y C2017 10 30.09629 00 57 08.96 +24 57 32.3 20.6 GUEU283G96
K17U42Y KC2017 10 30.17247 00 56 49.16 +24 56 24.5 oEU283711
K17U42Y KC2017 10 30.17614 00 56 48.27 +24 56 21.0 oEU283711
K17U42Y KC2017 10 30.17940 00 56 47.36 +24 56 17.9 oEU283711
K17U42Y C2017 10 30.19521 00 56 43.38 +24 56 02.0 19.3 RoEU283926
K17U42Y C2017 10 30.20216 00 56 41.57 +24 55 55.3 19.7 RoEU283926
K17U42Y C2017 10 30.20884 00 56 39.81 +24 55 49.1 19.8 RoEU283926
Observer details:
658 National Research Council of Canada. Observer D. D. Balam. 1.82-m
Plaskett telescope + CCD.
691 Steward Observatory, Kitt Peak. Observer M. J. Brucker. 0.9-m f/3
reflector + CCD.
711 McDonald Observatory. Observer J. G. Ries. 2.1-m reflector + CCD + focal
reducer.
926 Tenagra II Observatory. Observers M. Schwartz, P. R. Holvorcem. Measurer
M. Schwartz. 0.41-m f/3.75 astrograph + CCD, 0.81-m f/7 Ritchey-Chretien
+ CCD.
G96 Mt. Lemmon Survey. Observers R. G. Matheny, R. A. Kowalski. Measurers
E. J. Christensen, D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson,
R. A. Kowalski, S. M. Larson, G. J. Leonard, R. G. Matheny, R. L. Seaman,
F. C. Shelly. 1.5-m reflector + 10K CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
V06 Catalina Sky Survey-Kuiper. Observer E. J. Christensen. Measurers
E. J. Christensen, D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson,
R. A. Kowalski, S. M. Larson, G. J. Leonard, R. G. Matheny, R. L. Seaman,
F. C. Shelly. 1.55-m reflector + CCD.
Orbital elements:
2017 UY42 PHA, Earth MOID = 0.0418 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5 MPC
M 268.58266 (2000.0) P Q
n 0.62789128 Peri. 230.77514 -0.91416990 -0.39716163
a 1.3506612 Node 285.68927 +0.39296453 -0.81944766
e 0.5665335 Incl. 4.82443 +0.09935930 -0.41324106
P 1.57 H 21.2 G 0.15 U 9
Residuals in seconds of arc
171027 G96 0.3- 0.3- 171028 926 0.3- 0.1- 171029 H36 0.0 0.3+
171027 G96 0.1- 0.3- 171028 658 0.1+ 0.7+ 171029 G96 0.2- 0.2-
171027 G96 0.4- 0.2- 171028 658 0.1+ 0.4+ 171029 J95 0.1+ 0.0
171027 G96 0.3- 0.1- 171028 658 0.3+ 0.3+ 171029 J95 0.1- 0.3-
171027 V06 0.2+ 0.3- 171028 711 0.1+ 0.3+ 171029 J95 0.0 0.0
171027 658 0.2- 0.7+ 171028 711 0.0 0.0 171030 G96 0.0 0.2-
171027 V06 0.3+ 0.5- 171028 711 0.1+ 0.2+ 171030 G96 0.1+ 0.0
171027 V06 0.3+ 0.3- 171029 691 0.6- 0.2+ 171030 G96 0.3- 0.2-
171027 658 0.2- 0.8+ 171029 691 0.0 0.1+ 171030 G96 0.2- 0.2-
171027 V06 0.1+ 0.5- 171029 691 0.2- 0.2- 171030 711 0.2+ 0.7+
171027 658 0.3- 0.6+ 171029 H36 0.2- 0.2- 171030 711 1.1+ 0.6+
171028 V06 0.4+ 0.2+ 171029 711 0.2- 0.1- 171030 711 0.3+ 0.6+
171028 V06 0.6+ 0.1- 171029 711 0.3- 0.1- 171030 926 0.2- 0.2+
171028 V06 0.1+ 0.5- 171029 H36 0.2- 0.3+ 171030 926 0.2- 0.0
171028 V06 0.3+ 0.3- 171029 G96 0.2+ 0.2- 171030 926 0.5- 0.1+
171028 926 0.0 0.1+ 171029 G96 0.2+ 0.4-
171028 926 0.0 0.1- 171029 G96 0.5+ 0.1-
Ephemeris:
2017 UY42 a,e,i = 1.35, 0.57, 5 q = 0.5855
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2017 09 30 02 15 05.6 +26 10 22 0.6368 1.5649 144.6 21.7 22.2
...
2017 10 15 01 48 31.6 +26 52 03 0.4767 1.4549 160.3 13.3 21.2
...
2017 10 23 01 24 23.1 +26 19 42 0.4081 1.3916 163.8 11.5 20.7
...
2017 10 29 01 01 39.6 +25 14 12 0.3656 1.3419 159.5 15.1 20.5
2017 10 30 00 57 32.1 +24 59 10 0.3593 1.3334 158.2 16.1 20.5
2017 10 31 00 53 19.5 +24 42 53 0.3533 1.3249 156.8 17.1 20.5
...
2017 11 06 00 26 37.5 +22 37 54 0.3214 1.2727 146.9 25.2 20.4
...
2017 11 14 23 49 03.2 +18 40 21 0.2907 1.2003 131.0 38.5 20.5
...
2017 11 29 22 41 59.1 +08 46 52 0.2605 1.0564 98.4 67.5 20.8
A. U. Tomatic (C) Copyright 2017 MPC M.P.E.C. 2017-U283
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