MPEC 2019-F82 : 2018 YZ2
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M.P.E.C. 2019-F82 Issued 2019 Mar. 26, 02:35 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
2018 YZ2
Revision to MPEC 2019-A25
Additional Observations:
K18Y02Z C2015 12 30.52269604 30 34.915+46 29 15.36 21.2 GVEF082F51
K18Y02Z C2016 01 02.25451604 26 25.312+45 33 08.94 22.8 GVEF082F51
K18Y02Z C2016 01 02.26040204 26 24.770+45 33 01.31 22.0 GVEF082F51
K18Y02Z C2016 01 02.26629604 26 24.233+45 32 54.35 22.0 GVEF082F51
K18Y02Z C2016 01 02.36899804 26 14.961+45 30 46.31 22.8 GVEF082F51
K18Y02Z C2016 01 02.37080504 26 14.820+45 30 44.09 22.8 GVEF082F51
K18Y02Z C2016 01 02.37475404 26 14.406+45 30 38.65 22.2 GVEF082F51
K18Y02Z C2016 01 02.46793604 26 06.093+45 28 41.16 22.4 GVEF082F51
K18Y02Z C2016 01 05.22960104 22 21.249+44 30 22.72 22.4 GVEF082F51
K18Y02Z C2016 01 05.23545704 22 20.742+44 30 15.24 21.9 GVEF082F51
K18Y02Z C2016 01 05.24131904 22 20.307+44 30 07.66 22.5 GVEF082F51
K18Y02Z C2016 01 05.47182204 22 01.987+44 25 11.94 22.2 GVEF082F51
K18Y02Z C2016 01 05.48352004 22 01.033+44 24 56.10 23.2 GVEF082F51
K18Y02Z C2016 01 10.22993104 16 39.932+42 42 38.08 23.1 GVEF082F51
K18Y02Z C2016 01 10.23581904 16 39.581+42 42 30.35 22.3 GVEF082F51
K18Y02Z C2016 01 10.24170904 16 39.213+42 42 22.79 23.3 GVEF082F51
K18Y02Z C2016 01 10.24762504 16 38.863+42 42 15.18 21.8 GVEF082F51
K18Y02Z C2016 01 10.35932404 16 31.873+42 39 49.49 22.4 GVEF082F51
K18Y02Z C2016 01 10.37283604 16 31.030+42 39 31.64 22.6 GVEF082F51
K18Y02Z C2016 01 10.45863004 16 25.699+42 37 38.82 22.4 GVEF082F51
K18Y02Z C2016 01 10.48201204 16 24.364+42 37 08.00 22.3 GVEF082F51
K18Y02Z C2016 02 02.32361904 08 02.857+34 48 26.17 23.6 GVEF082F51
K18Y02Z C2016 02 02.33590704 08 02.988+34 48 12.35 23.3 GVEF082F51
K18Y02Z C2016 02 02.34821804 08 03.065+34 47 59.10 23.0 GVEF082F51
K18Y02Z C2016 02 02.36055204 08 03.165+34 47 44.46 23.4 GVEF082F51
K18Y02Z C2016 03 01.23985804 26 26.033+27 43 33.40 21.6 GVEF082F51
K18Y02Z C2016 04 01.22936605 08 07.327+22 22 54.56 21.6 GVEF082F51
K18Y02Z C2018 12 17.57452 07 44 58.064+28 49 32.94 20.9 wUEF082F51
K18Y02Z C2018 12 17.58681 07 44 56.865+28 49 22.97 21.2 wUEF082F51
K18Y02Z C2018 12 17.59915 07 44 55.661+28 49 13.05 21.4 wUEF082F51
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe,
E. Magnier, A. Schultz, M. Willman. Measurers S. Chastel, M. Huber,
Y. Ramanjooloo, R. Wainscoat, R. Weryk, K. Chambers, L. Denneau,
J. Fairlamb, H. Flewelling, C.-C. Lin, E. Magnier. 1.8-m
Ritchey-Chretien + CCD.
Orbital elements:
2018 YZ2 Earth MOID = 0.4511 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 332.78404 (2000.0) P Q
n 0.35486298 Peri. 288.16920 -0.66067769 +0.50104573
a 1.9758877 Node 285.66713 -0.24772644 -0.84845154
e 0.3630351 Incl. 35.48915 -0.70861598 -0.17053787
P 2.78 H 19.1 G 0.15 U 3
Residuals in seconds of arc
151230 F51 0.4+ 0.2+ 181217 F51 0.1+ 0.4+ 190103 033 (3.1- 2.1-)
160102 F51 0.2+ 0.0 181217 F51 0.2+ 0.3+ 190103 033 0.1- 0.1-
160102 F51 0.1+ 0.4- 181217 F51 0.2+ 0.3+ 190103 033 (3.8- 2.1-)
160102 F51 0.1+ 0.0 181231 G96 0.3+ 0.3+ 190103 033 0.8- 0.2-
160102 F51 0.1+ 0.1+ 181231 G96 0.1+ 0.1- 190103 033 (3.2- 2.0-)
160102 F51 0.3+ 0.2+ 181231 G96 0.3+ 0.2+ 190103 033 0.2- 0.2-
160102 F51 0.3- 0.3- 181231 G96 0.6+ 0.5+ 190103 033 2.9- 0.2-
160102 F51 0.0 0.1+ 181231 G96 0.2- 0.7+ 190103 033 (3.0- 1.8-)
160105 F51 0.2+ 0.2+ 181231 G96 0.2- 0.3+ 190103 033 0.1- 0.1-
160105 F51 0.2- 0.1+ 181231 G96 0.3+ 0.2- 190108 691 0.3+ 0.4+
160105 F51 0.2+ 0.0 181231 G96 0.6+ 0.9+ 190108 691 0.3+ 0.7+
160105 F51 0.4+ 0.4+ 190102 J95 0.2+ 0.5+ 190108 691 0.1+ 0.8+
160105 F51 0.1- 0.3- 190102 J95 0.9+ 0.3+ 190115 691 (1.5- 0.6-)
160110 F51 0.2- 0.2+ 190102 F51 0.1+ 0.1+ 190115 691 0.1+ 0.2+
160110 F51 0.0 0.1+ 190102 F51 0.3+ 0.2+ 190206 T12 0.2+ 0.1-
160110 F51 0.0 0.1+ 190102 F51 0.1+ 0.1+ 190223 807 0.4+ 0.4-
160110 F51 0.2+ 0.2+ 190102 F51 0.2+ 0.2+ 190223 807 0.4+ 0.3-
160110 F51 0.0 0.3- 190102 033 2.0- 1.1- 190223 807 0.4+ 0.2-
160110 F51 0.0 0.4- 190102 033 1.2+ 0.9+ 190224 807 0.4+ 0.4-
160110 F51 0.7- 0.3- 190102 033 2.0- 1.4- 190224 807 0.5+ 0.3-
160110 F51 0.1+ 0.2- 190102 033 1.3+ 0.7+ 190224 807 0.3+ 0.3-
160202 F51 0.0 0.1+ 190102 033 2.9- 2.0- 190306 H21 0.1- 0.1+
160202 F51 0.3+ 0.0 190102 033 0.3+ 0.0 190306 H21 0.0 0.4+
160202 F51 0.0 0.5+ 190102 033 0.4- 0.5- 190306 H21 0.2- 0.3+
160202 F51 0.1- 0.3- 190103 L01 0.0 0.2+ 190324 807 0.6+ 0.4-
160301 F51 0.1+ 0.4- 190103 L01 0.0 0.2+ 190324 807 0.6+ 0.4-
160401 F51 1.4- 0.5+ 190103 L01 0.2+ 0.2- 190324 807 0.5+ 0.4-
Ephemeris:
2018 YZ2 a,e,i = 1.98, 0.36, 35 q = 1.2586
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 02 24 05 52 43.0 +06 30 53 1.0744 1.7140 112.2 32.3 21.8
...
2019 03 11 05 54 28.7 +03 14 02 1.1754 1.6426 98.1 36.8 22.0
...
2019 03 19 05 59 15.8 +01 46 38 1.2277 1.6050 91.8 38.3 22.1
...
2019 03 25 06 04 19.0 +00 46 05 1.2647 1.5770 87.6 39.2 22.2
2019 03 26 06 05 16.3 +00 36 18 1.2706 1.5724 86.9 39.3 22.2
2019 03 27 06 06 15.4 +00 26 35 1.2765 1.5678 86.2 39.4 22.2
...
2019 04 02 06 12 47.3 -00 30 31 1.3099 1.5404 82.5 40.0 22.2
...
2019 04 10 06 23 03.2 -01 45 05 1.3494 1.5047 78.0 40.6 22.2
...
2019 04 25 06 46 32.8 -04 07 50 1.4056 1.4411 71.2 41.4 22.3
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-F82
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