MPEC 2017-Y57 : 2017 YB1
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M.P.E.C. 2017-Y57 Issued 2017 Dec. 23, 20:29 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 YB1
Observations:
K17Y01B* C2017 12 20.19954 03 30 48.16 +01 27 47.6 21.5 GUEY057G96
K17Y01B C2017 12 20.20520 03 30 49.27 +01 28 42.5 22.6 GUEY057G96
K17Y01B C2017 12 20.21087 03 30 50.28 +01 29 38.0 21.9 GUEY057G96
K17Y01B C2017 12 20.21654 03 30 51.41 +01 30 33.0 21.6 GUEY057G96
K17Y01B C2017 12 20.33123 03 31 14.11 +01 48 48.0 UEY057G96
K17Y01B C2017 12 20.33285 03 31 14.43 +01 49 03.8 20.8 GUEY057G96
K17Y01B C2017 12 20.33446 03 31 14.81 +01 49 18.5 20.0 GUEY057G96
K17Y01B KC2017 12 21.17841 03 34 46.62 +03 54 05.6 21.7 RoEY057291
K17Y01B KC2017 12 21.19087 03 34 48.66 +03 55 48.4 21.9 RoEY057291
K17Y01B C2017 12 23.12744 03 41 21.76 +07 47 55.8 21.7 GUEY057V06
K17Y01B C2017 12 23.13380 03 41 22.60 +07 48 35.8 21.6 GUEY057V06
K17Y01B C2017 12 23.14016 03 41 23.45 +07 49 15.2 22.3 GUEY057V06
K17Y01B C2017 12 23.14652 03 41 24.27 +07 49 55.5 22.0 GUEY057V06
Observer details:
291 LPL/Spacewatch II. Observer T. H. Bressi. 1.8-m f/2.7 reflector + CCD.
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.
V06 Catalina Sky Survey-Kuiper. Observer A. R. Gibbs. 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 YB1 Earth MOID = 0.0196 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5 MPC
M 339.60352 (2000.0) P Q
n 1.04327696 Peri. 225.45604 +0.85913691 +0.50976228
a 0.9628005 Node 103.84718 -0.45539463 +0.80169543
e 0.2361221 Incl. 2.65722 -0.23345127 +0.31213275
P 0.94 H 26.9 G 0.15 U 8
Residuals in seconds of arc
171220 G96 0.6+ 0.5- 171220 G96 0.2- 0.1+ 171223 V06 0.2+ 0.1+
171220 G96 0.9+ 0.4- 171220 G96 0.4+ 0.4- 171223 V06 0.4+ 0.5-
171220 G96 0.4- 0.3+ 171221 291 0.4- 0.5+ 171223 V06 0.2+ 0.0
171220 G96 0.2+ 0.5+ 171221 291 0.8- 0.0
171220 G96 0.0 0.4- 171223 V06 0.2+ 0.1+
Ephemeris:
2017 YB1 a,e,i = 0.96, 0.24, 3 q = 0.7355
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2017 11 23 16 51 54.5 -42 17 05 0.08806 0.9086 25.2 152.5 30.3
...
2017 12 08 21 29 12.4 -68 57 19 0.02808 0.9717 60.9 117.6 23.7
...
2017 12 16 03 04 09.1 -15 06 46 0.03212 1.0039 127.0 51.6 21.3
...
2017 12 22 03 37 41.3 +05 41 57 0.05440 1.0268 141.4 36.7 22.1
2017 12 23 03 40 54.4 +07 35 33 0.05860 1.0305 142.1 35.9 22.3
2017 12 24 03 43 48.0 +09 14 24 0.06288 1.0342 142.5 35.4 22.4
...
2017 12 30 03 57 01.3 +15 51 12 0.08984 1.0556 142.0 35.0 23.2
...
2018 01 07 04 09 56.3 +20 24 22 0.1283 1.0820 138.0 37.5 24.1
...
2018 01 22 04 32 27.9 +24 29 33 0.2069 1.1246 128.4 43.3 25.4
A. U. Tomatic (C) Copyright 2017 MPC M.P.E.C. 2017-Y57
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