MPEC 2017-Y119: 2017 YH5
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M.P.E.C. 2017-Y119 Issued 2017 Dec. 27, 20:15 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 YH5
Observations:
K17Y05H* C2017 12 24.26462 04 24 46.837+12 31 27.79 21.8 wUEY119F51
K17Y05H C2017 12 24.27742 04 24 44.051+12 32 00.06 21.5 wUEY119F51
K17Y05H C2017 12 24.29016 04 24 41.267+12 32 32.29 21.6 wUEY119F51
K17Y05H C2017 12 24.30294 04 24 38.466+12 33 04.35 22.0 wUEY119F51
K17Y05H C2017 12 25.14581 04 21 40.22 +13 08 34.8 21.9 RoEY119926
K17Y05H C2017 12 25.15440 04 21 38.34 +13 08 56.4 21.7 RoEY119926
K17Y05H C2017 12 25.16296 04 21 36.45 +13 09 18.5 21.2 RoEY119926
K17Y05H C2017 12 25.24694 04 21 17.97 +13 12 53.0 21.3 GUEY119I52
K17Y05H C2017 12 25.25376 04 21 16.46 +13 13 10.3 20.9 GUEY119I52
K17Y05H C2017 12 25.25915 04 21 15.33 +13 13 24.4 21.0 GUEY119I52
K17Y05H KC2017 12 25.29362 04 21 07.68 +13 14 52.4 21.5 RoEY119291
K17Y05H KC2017 12 25.29814 04 21 06.73 +13 15 02.1 21.5 RoEY119291
K17Y05H KC2017 12 25.30263 04 21 05.74 +13 15 15.8 oEY119291
K17Y05H _C2017 12 25.36871604 20 52.078+13 18 09.49 21.5 GUEY119568
K17Y05H _C2017 12 25.36966004 20 51.869+13 18 11.94 21.4 GUEY119568
K17Y05H _C2017 12 25.37060404 20 51.658+13 18 14.36 21.4 GUEY119568
K17Y05H C2017 12 26.15018 04 18 05.90 +13 51 44.0 20.7 GUEY119I52
K17Y05H C2017 12 26.15434 04 18 04.96 +13 51 54.4 20.8 GUEY119I52
K17Y05H C2017 12 26.15848 04 18 04.04 +13 52 05.2 20.9 GUEY119I52
K17Y05H KC2017 12 26.17331 04 18 00.64 +13 52 45.0 oEY119711
K17Y05H KC2017 12 26.17657 04 17 59.91 +13 52 53.3 oEY119711
K17Y05H C2017 12 26.17663 04 18 00.03 +13 52 53.2 20.8 RoEY119926
K17Y05H KC2017 12 26.17983 04 17 59.22 +13 53 01.9 oEY119711
K17Y05H C2017 12 26.18441 04 17 58.31 +13 53 13.7 21.2 RoEY119926
K17Y05H C2017 12 26.19219 04 17 56.49 +13 53 32.7 21.1 RoEY119926
K17Y05H KC2017 12 26.30392 04 17 31.79 +13 58 24.3 oEY119291
K17Y05H KC2017 12 26.30703 04 17 31.11 +13 58 32.8 21.5 RoEY119291
K17Y05H KC2017 12 27.18495504 14 22.78 +14 36 58.9 21.6 VuEY119H21
K17Y05H KC2017 12 27.19249904 14 21.10 +14 37 18.8 21.7 VuEY119H21
K17Y05H KC2017 12 27.19989604 14 19.45 +14 37 38.2 21.6 VuEY119H21
Observer details:
291 LPL/Spacewatch II. Observer A. F. Tubbiolo. 1.8-m f/2.7 reflector + CCD.
568 Mauna Kea. Observers R. J. Wainscoat, R. Weryk, L. Wells. Measurers
M. Micheli, R. Weryk. 3.6-m Canada-France-Hawaii Telescope + 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. 0.81-m f/7 Ritchey-Chretien + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, T. Lowe, A. Schultz,
M. Willman. Measurers K. Chambers, S. Chastel, L. Denneau, H. Flewelling,
M. Huber, E. Lilly, E. Magnier, R. Wainscoat, C. Waters, R. Weryk. 1.8-m
Ritchey-Chretien + CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes. 0.61-m f/4.5
astrograph + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer 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. 1.0-m reflector + CCD.
Orbital elements:
2017 YH5 Earth MOID = 0.2111 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5 MPC
M 267.68929 (2000.0) P Q
n 0.45263844 Peri. 87.25205 -0.90348280 -0.03254703
a 1.6799709 Node 90.61912 -0.13478784 -0.92495415
e 0.4589290 Incl. 25.30342 +0.40687967 -0.37868260
P 2.18 H 21.9 G 0.15 U 7
Residuals in seconds of arc
171224 F51 0.1+ 0.1+ 171225 291 0.3- 0.1+ 171226 711 0.0 0.0
171224 F51 0.1+ 0.0 171225 291 0.3+ 1.7- 171226 926 0.2- 0.1+
171224 F51 0.1+ 0.2+ 171225 291 0.3+ 0.5+ 171226 711 0.5+ 0.1+
171224 F51 0.0 0.0 171225 568 0.3+ 0.0 171226 926 0.1- 0.3+
171225 926 0.1- 0.5+ 171225 568 0.3+ 0.1+ 171226 926 1.4- 1.0-
171225 926 0.1- 0.1+ 171225 568 0.3+ 0.1+ 171226 291 0.1- 0.0
171225 926 0.2- 0.2+ 171226 I52 0.1+ 0.4+ 171226 291 0.0 0.4+
171225 I52 0.0 0.1+ 171226 I52 0.2- 0.1- 171227 H21 0.4+ 0.2+
171225 I52 0.1- 0.1- 171226 I52 0.2- 0.1- 171227 H21 0.4+ 0.2+
171225 I52 0.8+ 0.3+ 171226 711 0.1+ 0.2+ 171227 H21 0.4+ 0.0
Ephemeris:
2017 YH5 a,e,i = 1.68, 0.46, 25 q = 0.9090
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2017 11 27 05 35 51.6 +00 27 07 0.6108 1.5488 150.8 18.1 22.7
...
2017 12 12 05 03 48.6 +05 19 34 0.4805 1.4493 162.0 12.1 21.8
...
2017 12 20 04 39 21.8 +09 42 06 0.4333 1.3951 158.0 15.3 21.7
...
2017 12 26 04 18 37.6 +13 45 18 0.4094 1.3541 150.2 21.2 21.7
2017 12 27 04 15 03.0 +14 28 57 0.4064 1.3472 148.7 22.3 21.7
2017 12 28 04 11 27.1 +15 13 18 0.4036 1.3404 147.1 23.5 21.7
...
2018 01 03 03 49 42.2 +19 50 34 0.3925 1.2992 137.3 30.9 21.8
...
2018 01 11 03 21 38.3 +26 10 25 0.3905 1.2446 124.0 40.9 21.9
...
2018 01 26 02 37 21.8 +37 18 26 0.4120 1.1451 102.2 57.2 22.3
A. U. Tomatic (C) Copyright 2017 MPC M.P.E.C. 2017-Y119
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