MPEC 2015-Y38 : 2015 YZ
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M.P.E.C. 2015-Y38 Issued 2015 Dec. 19, 14:12 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@CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2015 YZ
Observations:
K15Y00Z* C2015 12 16.27025 03 47 26.302+31 20 52.51 21.3 wLEY038F51
K15Y00Z C2015 12 16.28266 03 47 24.870+31 20 52.73 21.2 wLEY038F51
K15Y00Z C2015 12 16.29523 03 47 23.450+31 20 52.92 21.0 wLEY038F51
K15Y00Z C2015 12 16.30773 03 47 21.979+31 20 52.64 21.0 wLEY038F51
K15Y00Z C2015 12 17.29719 03 45 42.54 +31 19 57.0 21.3 RoEY038926
K15Y00Z C2015 12 17.31251 03 45 40.81 +31 19 55.6 21.3 RoEY038926
K15Y00Z C2015 12 17.32593 03 45 39.41 +31 19 52.7 21.5 RoEY038926
K15Y00Z _C2015 12 17.37083703 45 36.053+31 20 00.44 20.8 RtEY038568
K15Y00Z _C2015 12 17.37193103 45 35.926+31 20 00.44 20.8 RtEY038568
K15Y00Z _C2015 12 17.37306103 45 35.800+31 20 00.30 20.9 RtEY038568
K15Y00Z C2015 12 18.15712 03 44 22.08 +31 19 02.8 21.5 RoEY038926
K15Y00Z C2015 12 18.16910 03 44 20.71 +31 19 02.2 21.5 RoEY038926
K15Y00Z C2015 12 18.18125 03 44 19.40 +31 19 02.0 21.6 RoEY038926
K15Y00Z KC2015 12 18.37605 03 43 58.57 +31 18 42.1 21.7 RoEY038291
K15Y00Z KC2015 12 18.37894 03 43 58.25 +31 18 41.6 21.2 RoEY038291
K15Y00Z KC2015 12 18.38182 03 43 58.01 +31 18 41.6 21.4 RoEY038291
K15Y00Z C2015 12 19.14788 03 42 50.16 +31 17 47.9 20.9 RoEY038926
K15Y00Z C2015 12 19.16005 03 42 48.91 +31 17 47.0 21.8 RoEY038926
K15Y00Z HC2015 12 19.23554 03 42 40.98 +31 17 41.0 21.5 VoEY038691
K15Y00Z HC2015 12 19.24085 03 42 40.46 +31 17 41.4 21.5 VoEY038691
K15Y00Z HC2015 12 19.24615 03 42 39.85 +31 17 40.4 21.2 VoEY038691
Observer details:
291 LPL/Spacewatch II. Observer R. A. Mastaler. 1.8-m f/2.7 reflector + CCD.
568 Mauna Kea. Observers R. J. Wainscoat, D. Woodworth. Measurers M. Micheli,
R. J. Wainscoat. 3.6-m Canada-France-Hawaii Telescope + CCD.
691 Steward Observatory, Kitt Peak. Observer R. A. Mastaler. 0.9-m f/3
reflector + CCD.
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 B. Gibson, T. Goggia, N. Primak,
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.
Orbital elements:
2015 YZ Earth MOID = 0.0990 AU
Epoch 2016 Jan. 13.0 TT = JDT 2457400.5 MPC
M 334.44693 (2000.0) P Q
n 0.57646640 Peri. 140.65281 -0.80840608 -0.58862041
a 1.4298376 Node 3.29071 +0.52910265 -0.72841799
e 0.2422398 Incl. 2.36699 +0.25793408 -0.35061838
P 1.71 H 22.8 G 0.15 U 7
Residuals in seconds of arc
151216 F51 0.1+ 0.1- 151217 568 0.1+ 0.4- 151218 291 0.4- 0.2+
151216 F51 0.1- 0.0 151217 568 0.0 0.3- 151218 291 0.3+ 0.6+
151216 F51 0.2+ 0.2+ 151217 568 0.0 0.4- 151219 926 0.2- 0.3+
151216 F51 0.2- 0.0 151218 926 0.7+ 0.1+ 151219 926 0.0 0.1-
151217 926 0.1+ 0.3+ 151218 926 0.2- 0.1- 151219 691 0.1- 0.6-
151217 926 0.5- 0.4+ 151218 926 0.1- 0.1+ 151219 691 0.4+ 0.3+
151217 926 0.4+ 1.0- 151218 291 0.1- 0.2+ 151219 691 0.2- 0.2-
Ephemeris:
2015 YZ a,e,i = 1.43, 0.24, 2 q = 1.0835
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2015 11 19 04 32 22.4 +29 45 36 0.3354 1.3132 163.3 12.5 21.8
...
2015 12 04 04 09 42.9 +31 05 42 0.2788 1.2604 168.9 8.6 21.1
...
2015 12 12 03 54 54.7 +31 21 08 0.2604 1.2333 160.6 15.4 21.2
...
2015 12 18 03 44 36.0 +31 19 15 0.2514 1.2137 153.2 21.5 21.3
2015 12 19 03 43 02.7 +31 18 01 0.2502 1.2105 151.9 22.5 21.3
2015 12 20 03 41 33.0 +31 16 35 0.2492 1.2073 150.7 23.5 21.3
...
2015 12 26 03 34 01.4 +31 04 37 0.2445 1.1888 143.4 29.5 21.4
...
2016 01 03 03 28 35.6 +30 44 52 0.2419 1.1657 134.5 37.0 21.5
...
2016 01 18 03 34 53.4 +30 19 40 0.2433 1.1284 121.0 48.4 21.8
A. U. Tomatic (C) Copyright 2015 MPC M.P.E.C. 2015-Y38
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