MPEC 2017-U198: 2017 UB5
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M.P.E.C. 2017-U198 Issued 2017 Oct. 26, 18:36 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 UB5
Observations:
K17U05B* C2017 10 21.34101 03 16 57.80 +23 51 24.8 20.9 GUEU198G96
K17U05B C2017 10 21.34619 03 16 57.86 +23 51 27.3 21.2 GUEU198G96
K17U05B C2017 10 21.35135 03 16 57.93 +23 51 29.5 21.1 GUEU198G96
K17U05B C2017 10 21.37964 03 16 58.38 +23 51 42.7 21.1 GUEU198G96
K17U05B C2017 10 21.38831 03 16 58.49 +23 51 46.1 20.5 GUEU198G96
K17U05B C2017 10 21.39702 03 16 58.61 +23 51 49.9 20.7 GUEU198G96
K17U05B C2017 10 21.40674 03 16 58.77 +23 51 54.6 21.0 GUEU198G96
K17U05B C2017 10 22.42645 03 17 22.29 +23 59 42.4 21.4 GUEU198G96
K17U05B C2017 10 22.42740 03 17 22.30 +23 59 42.7 21.9 GUEU198G96
K17U05B C2017 10 22.43157 03 17 22.35 +23 59 44.9 21.6 GUEU198G96
K17U05B C2017 10 22.43734 03 17 22.50 +23 59 47.0 21.1 GUEU198G96
K17U05B C2017 10 22.43829 03 17 22.45 +23 59 47.1 20.9 GUEU198G96
K17U05B C2017 10 22.44810 03 17 22.59 +23 59 51.5 21.1 GUEU198G96
K17U05B C2017 10 22.45826 03 17 22.75 +23 59 56.1 22.0 GUEU198G96
K17U05B C2017 10 23.37769 03 17 42.81 +24 06 51.7 21.1 GUEU198I52
K17U05B C2017 10 23.38627 03 17 42.88 +24 06 55.3 20.8 GUEU198I52
K17U05B C2017 10 23.39449 03 17 42.98 +24 06 58.6 20.6 GUEU198I52
K17U05B C2017 10 23.40540303 17 43.04 +24 07 02.7 21.1 GUEU198H01
K17U05B C2017 10 23.41140303 17 43.10 +24 07 05.3 21.0 GUEU198H01
K17U05B C2017 10 23.42268703 17 43.24 +24 07 10.2 21.4 GUEU198H01
K17U05B C2017 10 23.43855103 17 43.43 +24 07 16.7 20.9 GUEU198H01
K17U05B C2017 10 24.22486 03 18 00.39 +24 13 03.7 20.9 GUEU198I52
K17U05B C2017 10 24.23159 03 18 00.51 +24 13 07.3 21.2 GUEU198I52
K17U05B C2017 10 24.23834 03 18 00.56 +24 13 10.0 21.4 GUEU198I52
K17U05B C2017 10 24.24507 03 18 00.65 +24 13 13.5 21.6 GUEU198I52
K17U05B C2017 10 25.32525 03 18 18.66 +24 21 04.7 20.9 GUEU198I52
K17U05B C2017 10 25.33486 03 18 18.70 +24 21 08.6 21.5 GUEU198I52
K17U05B C2017 10 25.34974 03 18 18.84 +24 21 14.9 20.9 GUEU198I52
K17U05B C2017 10 26.28300 03 18 33.66 +24 27 50.7 21.3 GUEU198V06
K17U05B C2017 10 26.28627 03 18 33.69 +24 27 52.1 21.0 GUEU198V06
K17U05B C2017 10 26.28953 03 18 33.68 +24 27 53.5 21.6 GUEU198V06
K17U05B C2017 10 26.29296 03 18 33.72 +24 27 54.9 22.2 GUEU198V06
Observer details:
G96 Mt. Lemmon Survey. Observer D. C. Fuls. 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.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 reflector + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observers J. A. Johnson,
D. C. Fuls. 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. 1.0-m reflector + 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 UB5 Earth MOID = 0.2861 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5 MPC
M 321.23367 (2000.0) P Q
n 0.38174471 Peri. 97.21677 +0.24002925 -0.97069426
a 1.8820047 Node 338.88369 +0.87726663 +0.22208817
e 0.3262644 Incl. 1.87279 +0.41567922 +0.09181232
P 2.58 H 22.0 G 0.15 U 8
Residuals in seconds of arc
171021 G96 0.4+ 0.3+ 171022 G96 0.3+ 0.2- 171024 I52 0.4+ 0.0
171021 G96 0.1+ 0.3+ 171022 G96 0.3+ 0.0 171024 I52 0.0 0.5-
171021 G96 0.0 0.1+ 171022 G96 0.4+ 0.3+ 171024 I52 0.1+ 0.1-
171021 G96 0.2+ 0.3+ 171023 I52 0.3+ 0.3+ 171025 I52 0.1+ 0.4+
171021 G96 0.2- 0.3- 171023 I52 0.1- 0.1+ 171025 I52 0.3- 0.1+
171021 G96 0.4- 0.4- 171023 I52 0.0 0.1- 171025 I52 0.3+ 0.0
171021 G96 0.3- 0.1- 171023 H01 0.2+ 0.0 171026 V06 0.2+ 0.2+
171022 G96 0.3+ 0.2+ 171023 H01 0.1+ 0.1+ 171026 V06 0.4+ 0.1+
171022 G96 0.3+ 0.1+ 171023 H01 0.1+ 0.2+ 171026 V06 0.0 0.1+
171022 G96 0.2+ 0.5+ 171023 H01 0.1+ 0.0 171026 V06 0.3+ 0.0
171022 G96 1.1+ 0.1+ 171024 I52 0.2- 0.4-
Ephemeris:
2017 UB5 a,e,i = 1.88, 0.33, 2 q = 1.2680
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2017 09 26 02 56 02.2 +20 04 13 0.5357 1.4341 135.4 29.4 22.7
...
2017 10 11 03 10 51.7 +22 25 14 0.4368 1.3821 146.0 23.8 22.0
...
2017 10 19 03 15 54.6 +23 33 01 0.3941 1.3573 152.3 20.0 21.6
...
2017 10 25 03 18 13.0 +24 18 47 0.3669 1.3404 157.3 16.7 21.3
2017 10 26 03 18 28.9 +24 25 55 0.3628 1.3377 158.1 16.1 21.3
2017 10 27 03 18 42.8 +24 32 53 0.3589 1.3350 159.0 15.5 21.3
...
2017 11 02 03 19 27.9 +25 11 11 0.3376 1.3201 164.1 11.9 21.0
...
2017 11 10 03 19 03.8 +25 51 31 0.3160 1.3028 170.2 7.4 20.6
...
2017 11 25 03 17 05.8 +26 29 18 0.2971 1.2793 168.1 9.1 20.5
A. U. Tomatic (C) Copyright 2017 MPC M.P.E.C. 2017-U198
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