MPEC 2017-Y126: 2017 YK5
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M.P.E.C. 2017-Y126 Issued 2017 Dec. 27, 20:42 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 YK5
Observations:
K17Y05K* C2017 12 25.22305 01 58 39.97 +32 33 58.3 17.9 GUEY126703
K17Y05K C2017 12 25.22835 01 58 56.24 +32 35 12.1 18.0 GUEY126703
K17Y05K C2017 12 25.23365 01 59 12.69 +32 36 27.6 17.8 GUEY126703
K17Y05K C2017 12 25.26796 02 00 58.92 +32 44 24.4 17.6 GUEY126I52
K17Y05K C2017 12 25.26837 02 01 00.21 +32 44 30.0 17.6 GUEY126I52
K17Y05K C2017 12 25.26878 02 01 01.46 +32 44 35.7 17.7 GUEY126I52
K17Y05K C2017 12 25.26920 02 01 02.76 +32 44 41.4 17.8 GUEY126I52
K17Y05K C2017 12 25.28704 02 01 58.33 +32 48 45.3 18.1 GUEY126I52
K17Y05K C2017 12 25.28758 02 02 00.03 +32 48 52.7 18.0 GUEY126I52
K17Y05K C2017 12 25.28813 02 02 01.73 +32 49 00.0 18.2 GUEY126I52
K17Y05K C2017 12 25.28868 02 02 03.46 +32 49 07.5 18.1 GUEY126I52
K17Y05K C2017 12 25.30516 02 02 54.83 +32 52 50.0 18.2 GUEY126I52
K17Y05K C2017 12 25.30571 02 02 56.52 +32 52 57.2 UEY126I52
K17Y05K C2017 12 25.30680 02 02 59.98 +32 53 12.1 18.2 GUEY126I52
K17Y05K KC2017 12 25.74724 02 26 29.89 +34 25 34.7 17.9 RqEY126113
K17Y05K KC2017 12 25.74897 02 26 35.21 +34 25 54.8 18.3 RqEY126113
K17Y05K KC2017 12 25.75070 02 26 40.48 +34 26 14.1 17.8 RqEY126113
K17Y05K KC2017 12 25.75243 02 26 45.78 +34 26 34.1 18.3 RqEY126113
K17Y05K KC2017 12 25.80476202 29 25.69 +34 36 15.0 18.2 VUEY126G34
K17Y05K KC2017 12 25.80719902 29 33.22 +34 36 41.5 17.5 VUEY126G34
K17Y05K KC2017 12 25.80964102 29 40.81 +34 37 09.4 17.5 VUEY126G34
K17Y05K KC2017 12 25.81694402 30 02.78 +34 38 24.8 17.7 VUEY126G34
K17Y05K KC2017 12 25.81698 02 30 01.53 +34 38 36.7 17.5 RoEY126K88
K17Y05K KC2017 12 25.81944 02 30 09.02 +34 39 02.8 17.5 RoEY126K88
K17Y05K KC2017 12 25.82090 02 30 14.57 +34 39 16.0 18.3 VSEY126C47
K17Y05K KC2017 12 25.82190 02 30 16.53 +34 39 29.0 17.5 RoEY126K88
K17Y05K KC2017 12 25.82488 02 30 26.69 +34 39 58.3 18.4 VSEY126C47
K17Y05K KC2017 12 25.82886 02 30 38.81 +34 40 40.8 18.2 VSEY126C47
K17Y05K KC2017 12 25.83284 02 30 50.93 +34 41 22.7 18.6 VSEY126C47
K17Y05K KC2017 12 25.83682 02 31 03.07 +34 42 04.6 18.4 VSEY126C47
K17Y05K KC2017 12 25.84135 02 31 16.89 +34 42 52.3 18.2 VSEY126C47
K17Y05K C2017 12 25.85355 02 31 54.26 +34 44 59.4 18.4 RqEY126246
K17Y05K C2017 12 25.85413 02 31 56.02 +34 45 05.9 qEY126246
K17Y05K C2017 12 25.85423 02 31 56.33 +34 45 06.5 qEY126246
K17Y05K C2017 12 25.85433 02 31 56.71 +34 45 07.8 qEY126246
K17Y05K C2017 12 25.85454 02 31 57.35 +34 45 09.7 qEY126246
K17Y05K C2017 12 25.85465 02 31 57.64 +34 45 11.4 qEY126246
K17Y05K C2017 12 25.85475 02 31 57.97 +34 45 11.4 qEY126246
K17Y05K C2017 12 26.09325 02 44 26.59 +35 25 11.8 18.2 RoEY126926
K17Y05K C2017 12 26.09408 02 44 29.07 +35 25 19.5 18.2 RoEY126926
K17Y05K C2017 12 26.09490 02 44 31.55 +35 25 27.3 18.4 RoEY126926
K17Y05K C2017 12 26.12208 02 45 50.35 +35 29 41.7 oEY126711
K17Y05K C2017 12 26.12367 02 45 55.08 +35 29 56.3 oEY126711
K17Y05K C2017 12 26.12520 02 45 59.60 +35 30 09.9 oEY126711
K17Y05K KC2017 12 26.90759 03 24 09.32 +36 54 31.5 SEY126C43
K17Y05K KC2017 12 26.90895 03 24 13.04 +36 54 37.3 SEY126C43
K17Y05K KC2017 12 26.91031 03 24 16.75 +36 54 42.3 SEY126C43
K17Y05K KC2017 12 26.91168 03 24 20.51 +36 54 46.4 SEY126C43
K17Y05K KC2017 12 27.14086103 34 52.04 +37 10 37.7 19.6 VuEY126H21
K17Y05K KC2017 12 27.14242603 34 56.11 +37 10 42.9 19.5 VuEY126H21
K17Y05K KC2017 12 27.14388803 34 59.91 +37 10 47.7 19.4 VuEY126H21
K17Y05K KC2017 12 27.14533603 35 03.68 +37 10 52.5 19.6 VuEY126H21
K17Y05K KC2017 12 27.14677903 35 07.44 +37 10 57.3 19.6 VuEY126H21
K17Y05K C2017 12 27.36884 03 44 41.47 +37 21 06.4 19.1 GUEY126I52
K17Y05K C2017 12 27.36939 03 44 42.87 +37 21 07.2 19.2 GUEY126I52
K17Y05K C2017 12 27.36994 03 44 44.28 +37 21 08.3 19.0 GUEY126I52
K17Y05K KC2017 12 27.74222104 00 35.96 +37 30 59.4 UEY126J95
K17Y05K KC2017 12 27.74969104 00 53.67 +37 31 09.9 UEY126J95
K17Y05K KC2017 12 27.75698504 01 10.90 +37 31 20.4 18.5 GUEY126J95
Observer details:
113 Volkssternwarte Drebach, Schoenbrunn. Observer G. Lehmann. 0.5-m f/4.6
reflector + CCD.
246 Klet Observatory-KLENOT. Observers M. Tichy, J. Ticha. Measurer M. Tichy.
1.06-m KLENOT Telescope + CCD.
703 Catalina Sky Survey. 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. 0.68-m Schmidt + 10K 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.
C43 Hoyerswerda. Observer P. Lindner. 0.30-m f/6.3 Schmidt-Cassegrain + CCD.
C47 Nonndorf. Observer G. Dangl. 0.25-m f/4.8 reflector + CCD.
G34 Oberfrauendorf. Observer T. Felber. 0.25-m f/10 Schmidt-Cassegrain + CCD
+ f/6.3 focal reducer.
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.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
K88 GINOP-KHK, Piszkesteto. Observer K. Sarneczky. 0.60-m Schmidt + CCD.
Orbital elements:
2017 YK5 Earth MOID = 0.0106 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5 MPC
M 340.16556 (2000.0) P Q
n 0.24559742 Peri. 2.28809 +0.66365872 -0.74794226
a 2.5253419 Node 46.13270 +0.68604874 +0.60229534
e 0.6450545 Incl. 0.93861 +0.29815135 +0.27896719
P 4.01 H 23.8 G 0.15 U 6
Residuals in seconds of arc
171225 703 0.1+ 0.5+ 171225 G34 (2.7+ 2.4+) 171226 926 0.4+ 0.4+
171225 703 1.0- 0.7- 171225 G34 (1.3- 0.9-) 171226 711 0.2- 0.0
171225 703 0.0 0.2+ 171225 K88 0.3- 0.2+ 171226 711 0.1+ 0.4+
171225 I52 0.6- 0.2- 171225 K88 0.4- 0.1+ 171226 711 0.1- 0.4+
171225 I52 0.4- 0.2- 171225 C47 0.0 0.0 171226 C43 0.3- 0.9+
171225 I52 0.7- 0.2- 171225 K88 0.3- 0.1+ 171226 C43 0.2- 0.9+
171225 I52 0.7- 0.3- 171225 C47 0.1- 0.2- 171226 C43 0.2- 0.1+
171225 I52 0.5+ 0.1- 171225 C47 0.3- 0.0 171226 C43 (0.1+ 1.6-)
171225 I52 0.7+ 0.0 171225 C47 0.4- 0.2- 171227 H21 0.3- 0.0
171225 I52 0.6+ 0.2- 171225 C47 0.3- 0.3- 171227 H21 0.4- 0.0
171225 I52 0.8+ 0.1- 171225 C47 0.1- 0.2- 171227 H21 0.5- 0.0
171225 I52 0.4+ 0.1- 171225 246 0.2- 0.5- 171227 H21 0.5- 0.0
171225 I52 0.0 0.3- 171225 246 0.3- 0.0 171227 H21 0.4- 0.1+
171225 I52 0.7+ 0.0 171225 246 0.2- 0.4- 171227 I52 0.6+ 0.1-
171225 113 0.6+ 0.2+ 171225 246 0.7+ 0.2- 171227 I52 0.7+ 0.3-
171225 113 0.8+ 0.6+ 171225 246 0.7+ 0.5- 171227 I52 0.8+ 0.3-
171225 113 0.4+ 0.2+ 171225 246 0.2+ 0.1+ 171227 J95 0.2+ 0.0
171225 113 0.3+ 0.6+ 171225 246 0.5+ 0.9- 171227 J95 0.1+ 0.3-
171225 G34 0.0 0.9+ 171226 926 0.2- 0.3+ 171227 J95 0.2- 0.0
171225 G34 1.0+ 0.9+ 171226 926 0.1- 0.3+
Ephemeris:
2017 YK5 a,e,i = 2.53, 0.65, 1 q = 0.8964
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2017 11 27 20 23 29.5 -18 49 49 0.2078 0.8976 59.0 109.6 24.3
...
2017 12 12 21 12 01.0 -11 40 36 0.09869 0.9347 57.1 117.8 23.3
...
2017 12 20 22 39 36.8 +04 44 54 0.04774 0.9731 75.6 101.7 20.8
...
2017 12 26 02 39 30.4 +35 10 28 0.03760 1.0088 131.5 46.9 18.5
2017 12 27 03 28 27.9 +37 02 01 0.04087 1.0153 140.4 38.2 18.4
2017 12 28 04 10 30.7 +37 35 09 0.04520 1.0218 147.5 31.1 18.5
...
2018 01 03 06 17 04.3 +33 25 10 0.08254 1.0638 166.8 12.2 19.3
...
2018 01 11 07 04 21.0 +29 15 49 0.1434 1.1253 170.8 8.0 20.4
...
2018 01 26 07 31 22.8 +25 58 02 0.2756 1.2520 164.2 12.3 22.2
A. U. Tomatic (C) Copyright 2017 MPC M.P.E.C. 2017-Y126
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