MPEC 2019-V166 : 2018 YS
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M.P.E.C. 2019-V166 Issued 2019 November 14, 16:07 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 YS
Revision to MPEC 2018-Y47
Additional Observations:
K18Y00S C2012 02 14.60096111 33 55.948+03 45 10.34 21.9 GVEV166F51
K18Y00S C2012 02 14.61239511 33 54.810+03 45 10.81 21.6 GVEV166F51
K18Y00S C2012 03 16.31788110 38 13.404+04 52 00.61 21.8 GVEV166F51
K18Y00S C2012 03 16.33151610 38 12.009+04 52 01.92 22.1 GVEV166F51
K18Y00S C2012 03 16.36013810 38 09.071+04 52 05.17 22.0 GVEV166F51
K18Y00S C2012 03 19.34959610 33 15.633+04 57 53.95 22.0 GVEV166F51
K18Y00S C2012 03 19.37751910 33 12.891+04 57 56.96 21.9 GVEV166F51
K18Y00S C2016 04 04.39944013 04 28.201-31 05 17.66 22.0 GVEV166F51
K18Y00S C2016 04 04.43035813 04 24.232-31 05 20.31 21.8 GVEV166F51
K18Y00S C2016 04 25.34375612 20 46.550-29 53 49.85 22.1 GVEV166F51
K18Y00S C2016 04 25.35475712 20 45.237-29 53 45.09 22.0 GVEV166F51
K18Y00S C2016 05 12.26887711 55 03.585-27 21 10.59 22.2 GVEV166F51
K18Y00S C2016 05 12.28049511 55 02.764-27 21 03.61 22.1 GVEV166F51
K18Y00S C2016 05 12.29257211 55 01.928-27 20 56.79 21.4 GVEV166F51
K18Y00S C2016 05 12.30439711 55 01.157-27 20 49.80 21.6 GVEV166F51
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, A.
Schultz, M. Willman. Measurers S. Chastel, M. Huber, Y. Ramanjooloo, R.
Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
120214 F51 0.04- 0.04- 160512 F51 0.01- 0.02- MPO467302 -0.00 days
Orbital elements:
2018 YS Earth MOID = 0.1412 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 Veres
M 112.72554 (2000.0) P Q
n 0.53885322 Peri. 18.17681 +0.99513187 -0.00283019
a 1.4956239 Node 341.14794 -0.06153747 +0.76292693
e 0.4333001 Incl. 17.75041 +0.07697859 +0.64647853
P 1.83 H 19.5 G 0.15 U 1
Residuals in seconds of arc
120214 F51 0.1+ 0.3+ 181224 F51 0.3- 0.4+ 190124 I52 0.2+ 0.0
120214 F51 0.1- 0.0 181224 F51 0.1+ 0.1- 190124 I52 0.2+ 0.1+
120316 F51 0.5- 0.2+ 181224 F51 0.4+ 0.1- 190124 I52 0.1- 0.1-
120316 F51 0.1- 0.2- 181226 H21 0.2+ 0.0 190124 G96 0.3+ 0.2+
120316 F51 0.4+ 0.5- 181226 H21 0.0 0.0 190124 I52 0.0 0.0
120319 F51 0.0 0.1- 181226 H21 0.3+ 0.2+ 190124 G96 0.1+ 0.2+
120319 F51 0.0 0.1- 181227 K38 0.1- 0.0 190124 G96 0.0 0.1+
160404 F51 0.5+ 0.1+ 181227 K38 0.4+ 0.2- 190124 G96 0.2+ 0.4+
160404 F51 0.2+ 0.0 181227 K38 0.3- 0.1+ 190125 I52 0.2+ 0.1+
160425 F51 0.0 0.2+ 181227 K38 0.2+ 0.0 190125 I52 0.0 0.0
160425 F51 0.3- 0.0 181228 T05 0.4- 0.0 190125 I52 0.0 0.0
160512 F51 0.1+ 0.2- 181228 T05 0.7- 0.9- 190125 I52 0.2+ 0.1+
160512 F51 0.2- 0.1+ 181228 T05 0.1+ 0.0 190203 711 0.2- 0.4+
160512 F51 0.3- 0.0 181228 T05 0.8+ 0.1+ 190203 711 0.1- 0.1-
160512 F51 0.2+ 0.2+ 190108 I52 0.0 0.2- 190203 711 0.2- 0.2+
181216 I41 0.3- 0.3+ 190108 I52 0.2+ 0.3- 190211 V06 0.1+ 0.1-
181216 I41 0.3- 0.2+ 190108 I52 0.2+ 0.1- 190211 V06 0.0 0.0
181216 I41 0.3- 0.1+ 190108 I52 0.1+ 0.1- 190211 V06 0.3+ 0.0
181216 I41 0.2- 0.0 190111 F51 0.1+ 0.0 190212 I52 0.3- 0.0
181218 L01 0.3+ 0.1- 190111 F51 0.0 0.0 190212 I52 0.1+ 0.2+
181218 L01 0.2- 0.0 190111 F51 0.1+ 0.0 190212 I52 0.0 0.1-
181218 L01 0.1+ 0.2+ 190115 204 0.1+ 0.1- 190212 I52 0.1- 0.0
181218 L01 0.0 0.1+ 190115 204 0.0 0.2+ 190306 H21 0.7- 0.1-
181219 104 0.1+ 0.3+ 190115 204 0.0 0.1+ 190306 H21 0.6- 0.1-
181219 104 0.5+ 0.4+ 190117 I52 0.3- 0.6- 190312 H21 0.7- 0.4-
181219 104 0.3- 0.5- 190117 I52 0.2- 0.3+ 190312 H21 0.4- 0.6-
181220 C95 0.4- 0.3- 190117 I52 0.0 0.2+ 190312 H21 0.2- 0.5-
181220 C95 0.2- 0.3- 190117 I52 0.3- 0.6+
Ephemeris:
2018 YS a,e,i = 1.50, 0.43, 18 q = 0.8476
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 10 15 12 38 36.5 -10 30 23 3.0892 2.1139 10.0 4.7 24.0
...
2019 10 30 13 04 38.4 -14 00 01 3.0208 2.0913 17.0 8.0 24.1
...
2019 11 07 13 18 52.6 -15 52 14 2.9716 2.0767 21.0 9.8 24.1
...
2019 11 13 13 29 44.5 -17 16 24 2.9293 2.0645 24.0 11.2 24.1
2019 11 14 13 31 34.1 -17 30 25 2.9218 2.0624 24.5 11.5 24.1
2019 11 15 13 33 24.1 -17 44 26 2.9142 2.0602 25.0 11.7 24.1
...
2019 11 21 13 44 30.7 -19 08 31 2.8659 2.0467 28.0 13.1 24.1
...
2019 11 29 13 59 38.8 -21 00 21 2.7949 2.0270 32.0 15.0 24.1
...
2019 12 14 14 29 08.7 -24 28 19 2.6429 1.9851 39.5 18.4 24.0
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-V166
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