MPEC 2015-Y32 : 2015 YR
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M.P.E.C. 2015-Y32 Issued 2015 Dec. 19, 01:49 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 YR
Observations:
K15Y00R* C2015 12 17.13655 02 15 59.78 +22 14 01.1 20.2 VqEY032G96
K15Y00R C2015 12 17.14262 02 16 05.05 +22 13 03.0 20.0 VqEY032G96
K15Y00R C2015 12 17.14869 02 16 10.30 +22 12 04.8 20.2 VqEY032G96
K15Y00R C2015 12 17.15477 02 16 15.60 +22 11 07.1 20.0 VqEY032G96
K15Y00R KC2015 12 17.19364 02 16 49.39 +22 04 54.7 19.8 RoEY032291
K15Y00R KC2015 12 17.19405 02 16 49.75 +22 04 50.8 20.0 RoEY032291
K15Y00R KC2015 12 17.19445 02 16 50.11 +22 04 46.9 19.9 RoEY032291
K15Y00R C2015 12 17.27810 02 18 02.98 +21 51 09.0 19.8 RoEY032926
K15Y00R C2015 12 17.28058 02 18 05.15 +21 50 43.8 19.9 RoEY032926
K15Y00R C2015 12 17.28307 02 18 07.37 +21 50 19.5 19.8 RoEY032926
K15Y00R C2015 12 17.36439 02 19 20.34 +21 36 45.1 20.0 VqEY032G96
K15Y00R C2015 12 17.36478 02 19 20.70 +21 36 41.4 19.7 VqEY032G96
K15Y00R C2015 12 17.36516 02 19 21.05 +21 36 37.9 20.5 VqEY032G96
K15Y00R C2015 12 17.36554 02 19 21.37 +21 36 33.7 19.8 VqEY032G96
K15Y00R C2015 12 17.77761 02 26 00.58 +20 29 04.8 18.8 RtEY032G36
K15Y00R C2015 12 17.82953 02 26 46.13 +20 20 31.9 19.5 RtEY032G36
K15Y00R C2015 12 17.85093 02 27 04.81 +20 16 58.6 19.2 RtEY032G36
K15Y00R C2015 12 17.87631 02 27 26.95 +20 12 44.3 19.1 RtEY032G36
K15Y00R C2015 12 18.14043 02 31 35.70 +19 28 28.7 19.8 RuEY032926
K15Y00R C2015 12 18.14532 02 31 39.87 +19 27 36.2 19.8 VqEY032G96
K15Y00R C2015 12 18.14543 02 31 40.00 +19 27 38.0 20.0 RuEY032926
K15Y00R C2015 12 18.14954 02 31 43.55 +19 26 53.2 20.0 VqEY032G96
K15Y00R C2015 12 18.15042 02 31 44.37 +19 26 46.5 19.5 RuEY032926
K15Y00R C2015 12 18.15376 02 31 47.22 +19 26 10.1 19.6 VqEY032G96
K15Y00R C2015 12 18.15797 02 31 50.86 +19 25 27.8 19.9 VqEY032G96
K15Y00R C2015 12 18.17288 02 32 03.79 +19 22 58.9 20.0 RoEY032926
K15Y00R C2015 12 18.17516 02 32 05.78 +19 22 35.2 20.0 RoEY032926
K15Y00R C2015 12 18.17742 02 32 07.75 +19 22 12.1 20.0 RoEY032926
K15Y00R C2015 12 18.19385 02 32 21.99 +19 19 23.8 20.4 RuEY032926
K15Y00R C2015 12 18.19885 02 32 26.33 +19 18 32.6 20.2 RuEY032926
K15Y00R C2015 12 18.20384 02 32 30.67 +19 17 41.8 20.0 RuEY032926
K15Y00R C2015 12 19.04048802 45 37.28 +16 52 09.6 19.9 VtEY032H01
K15Y00R C2015 12 19.04760502 45 43.56 +16 50 55.7 19.5 VtEY032H01
K15Y00R C2015 12 19.05592202 45 50.88 +16 49 29.1 19.6 VtEY032H01
K15Y00R C2015 12 19.06123902 45 55.56 +16 48 33.4 19.5 VtEY032H01
Observer details:
291 LPL/Spacewatch II. Observer R. A. Mastaler. 1.8-m f/2.7 reflector + CCD.
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.
G36 Calar Alto-CASADO. Observers S. Hellmich, S. Mottola. 1.23-m f/8
reflector + CCD.
G96 Mt. Lemmon Survey. Observers E. J. Christensen, A. D. Grauer. 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 + 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.
Orbital elements:
2015 YR Earth MOID = 0.0371 AU
Epoch 2016 Jan. 13.0 TT = JDT 2457400.5 MPC
M 15.92344 (2000.0) P Q
n 0.50552702 Peri. 172.52536 +0.21629256 -0.96055833
a 1.5606534 Node 264.86526 +0.88643896 +0.26823301
e 0.3465028 Incl. 10.10636 +0.40919860 -0.07333987
P 1.95 H 24.8 G 0.15 U 7
Residuals in seconds of arc
151217 G96 0.3- 0.2- 151217 G96 0.1+ 0.3+ 151218 G96 0.3- 0.2+
151217 G96 0.2- 0.4- 151217 G96 0.3- 0.1- 151218 926 0.7- 0.2+
151217 G96 0.3- 0.7- 151217 G36 0.2- 0.0 151218 926 0.5- 0.2-
151217 G96 0.1+ 0.2- 151217 G36 0.3- 0.0 151218 926 0.3- 0.2-
151217 291 0.4- 0.2+ 151217 G36 0.3- 0.0 151218 926 0.5- 0.4-
151217 291 0.3- 0.2+ 151217 G36 0.2- 0.1+ 151218 926 0.5- 0.3-
151217 291 0.1- 0.2+ 151218 926 0.2+ 0.3+ 151218 926 0.3- 0.1+
151217 926 0.4- 0.2+ 151218 G96 0.4- 0.2+ 151219 H01 0.4- 0.0
151217 926 0.6- 0.5- 151218 926 0.4- 0.2+ 151219 H01 0.3- 0.1+
151217 926 0.3- 0.1- 151218 G96 0.2- 0.0 151219 H01 0.2- 0.1+
151217 G96 0.1- 0.2- 151218 926 0.2+ 0.7- 151219 H01 0.0 0.2-
151217 G96 0.0 0.0 151218 G96 0.1- 0.3-
Ephemeris:
2015 YR a,e,i = 1.56, 0.35, 10 q = 1.0199
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2015 11 19 22 25 39.1 +44 05 54 0.1334 1.0462 112.2 61.0 22.7
...
2015 12 04 23 35 59.7 +40 35 33 0.08315 1.0233 114.7 61.0 21.6
...
2015 12 12 01 00 35.3 +33 05 45 0.06059 1.0198 124.0 53.1 20.7
...
2015 12 18 02 29 21.9 +19 52 56 0.05126 1.0213 135.7 42.3 20.0
2015 12 19 02 44 51.8 +17 00 29 0.05075 1.0219 137.5 40.6 20.0
2015 12 20 03 00 11.0 +14 01 53 0.05060 1.0226 139.0 39.1 19.9
...
2015 12 26 04 22 07.9 -02 58 53 0.05691 1.0288 141.7 36.3 20.1
...
2016 01 03 05 35 16.6 -16 23 24 0.07917 1.0422 136.5 40.5 21.0
...
2016 01 18 06 41 53.4 -23 03 04 0.1377 1.0817 132.6 42.0 22.3
A. U. Tomatic (C) Copyright 2015 MPC M.P.E.C. 2015-Y32
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