MPEC 2017-Y79 : 2017 YZ1
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M.P.E.C. 2017-Y79 Issued 2017 Dec. 24, 16:38 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 YZ1
Observations:
K17Y01Z* C2017 12 20.42481 10 03 52.21 +00 03 23.7 21.1 GUEY079G96
K17Y01Z C2017 12 20.42997 10 03 52.63 +00 03 06.9 21.1 GUEY079G96
K17Y01Z C2017 12 20.43513 10 03 53.00 +00 02 50.9 UEY079G96
K17Y01Z C2017 12 20.44027 10 03 53.44 +00 02 33.6 21.7 GUEY079G96
K17Y01Z C2017 12 20.53318 10 04 00.87 -00 02 27.0 21.4 GUEY079G96
K17Y01Z C2017 12 20.53655 10 04 01.11 -00 02 37.6 UEY079G96
K17Y01Z C2017 12 20.53919 10 04 01.38 -00 02 46.9 22.0 GUEY079G96
K17Y01Z C2017 12 20.54029 10 04 01.46 -00 02 50.1 21.9 GUEY079G96
K17Y01Z C2017 12 21.54059 10 05 26.97 -00 57 39.3 UEY079G96
K17Y01Z C2017 12 21.54357 10 05 27.23 -00 57 49.9 20.2 GUEY079G96
K17Y01Z C2017 12 21.54657 10 05 27.44 -00 57 59.1 UEY079G96
K17Y01Z |C2017 12 23.32165 10 07 58.37 -02 38 43.9 21.6 GUEY079807
K17Y01Z |C2017 12 23.32659 10 07 58.73 -02 39 01.1 21.6 GUEY079807
K17Y01Z |C2017 12 23.33133 10 07 59.12 -02 39 17.9 21.1 GUEY079807
K17Y01Z C2017 12 23.42012 10 08 06.74 -02 44 47.0 20.8 GUEY079V06
K17Y01Z C2017 12 23.42225 10 08 06.90 -02 44 54.6 20.9 GUEY079V06
K17Y01Z C2017 12 23.42437 10 08 07.06 -02 45 02.1 21.2 GUEY079V06
K17Y01Z C2017 12 23.42649 10 08 07.23 -02 45 09.4 21.4 GUEY079V06
K17Y01Z C2017 12 24.37921 10 09 27.35 -03 41 35.7 20.8 GUEY079V06
K17Y01Z C2017 12 24.38239 10 09 27.57 -03 41 48.3 22.5 GUEY079V06
K17Y01Z C2017 12 24.38557 10 09 27.82 -03 41 59.1 21.6 GUEY079V06
K17Y01Z C2017 12 24.38876 10 09 28.11 -03 42 11.4 22.4 GUEY079V06
K17Y01Z C2017 12 24.52184 10 09 38.41 -03 50 11.5 21.0 GUEY079I52
K17Y01Z C2017 12 24.54286 10 09 40.04 -03 51 27.5 20.8 GUEY079I52
Observer details:
807 Cerro Tololo. Observers T. Linder, R. Holmes. 1.00-m f/10.0 astrograph
+ 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.
I52 Steward Observatory, Mt. Lemmon Station. 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. 1.0-m reflector + 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 YZ1 PHA, Earth MOID = 0.0017 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5 MPC
M 222.68780 (2000.0) P Q
n 0.64935741 Peri. 298.69021 -0.74933798 +0.56151674
a 1.3207284 Node 277.63379 -0.41297396 -0.81061332
e 0.3315000 Incl. 20.73983 -0.51763414 -0.16614752
P 1.52 H 20.9 G 0.15 U 8
Residuals in seconds of arc
171220 G96 0.0 0.1- 171221 G96 0.2+ 0.1- 171223 V06 0.0 0.1+
171220 G96 0.1+ 0.2- 171221 G96 0.6+ 0.8- 171223 V06 0.1+ 0.2+
171220 G96 0.5- 0.5+ 171221 G96 0.1+ 0.0 171224 V06 0.0 0.7+
171220 G96 0.1- 0.2- 171223 807 0.1- 0.1+ 171224 V06 0.5- 0.4-
171220 G96 0.1- 0.1+ 171223 807 0.4- 0.2+ 171224 V06 0.4- 0.3+
171220 G96 0.5- 0.5+ 171223 807 0.1- 0.0 171224 V06 0.2+ 0.5-
171220 G96 0.3+ 0.3- 171223 V06 0.2+ 0.3+ 171224 I52 0.3+ 0.3-
171220 G96 0.2+ 0.1+ 171223 V06 0.1+ 0.1+ 171224 I52 0.3+ 0.3-
Ephemeris:
2017 YZ1 a,e,i = 1.32, 0.33, 21 q = 0.8829
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2017 11 24 09 21 54.5 +17 10 45 0.8084 1.4208 104.1 42.4 22.8
...
2017 12 09 09 46 45.2 +08 53 21 0.6374 1.3507 110.9 42.9 22.2
...
2017 12 17 09 58 53.8 +02 59 46 0.5550 1.3113 113.9 43.3 21.9
...
2017 12 23 10 07 30.9 -02 20 09 0.4988 1.2810 115.6 43.8 21.6
2017 12 24 10 08 55.0 -03 18 45 0.4900 1.2759 115.9 43.9 21.6
2017 12 25 10 10 18.5 -04 18 57 0.4814 1.2708 116.1 44.1 21.5
...
2017 12 31 10 18 30.4 -10 56 16 0.4332 1.2398 116.7 45.1 21.3
...
2018 01 08 10 29 16.2 -21 29 05 0.3807 1.1980 115.6 47.8 21.0
...
2018 01 23 10 51 37.3 -45 48 39 0.3256 1.1193 106.1 57.6 20.8
A. U. Tomatic (C) Copyright 2017 MPC M.P.E.C. 2017-Y79
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