MPEC 2019-F51 : 2018 SX2
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M.P.E.C. 2019-F51 Issued 2019 Mar. 21, 10:51 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 SX2
Revision to MPEC 2018-T20
Additional Observations:
K18S02X C2016 01 16.42034308 38 38.816+40 06 01.33 22.2 GVEF051F51
K18S02X C2016 01 16.43186308 38 36.900+40 06 02.79 21.7 GVEF051F51
K18S02X C2016 01 16.44308508 38 35.017+40 06 04.06 21.4 GVEF051F51
K18S02X C2016 01 16.45444508 38 33.120+40 06 05.27 21.6 GVEF051F51
K18S02X C2016 01 21.40167508 25 15.678+40 06 31.75 22.1 GVEF051F51
K18S02X C2016 01 21.42269608 25 12.182+40 06 30.79 22.4 GVEF051F51
K18S02X C2016 02 05.34277007 49 18.065+38 41 19.25 21.8 GVEF051F51
K18S02X C2016 02 05.35459307 49 16.581+38 41 12.63 22.0 GVEF051F51
K18S02X C2016 02 05.36645907 49 15.091+38 41 06.34 21.8 GVEF051F51
K18S02X C2016 02 05.37826607 49 13.613+38 40 59.24 21.8 GVEF051F51
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. 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
160116 F51 0.04- 0.02+ 160205 F51 0.04- 0.01+ MPO458777 +0.00043 day
Orbital elements:
2018 SX2 PHA, Earth MOID = 0.0337 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 155.12281 (2000.0) P Q
n 0.62650140 Peri. 338.26759 +0.86151367 +0.50691673
a 1.3526580 Node 351.10646 -0.43407678 +0.70591906
e 0.2967482 Incl. 10.73745 -0.26338478 +0.49468547
P 1.57 H 20.8 G 0.15 U 2
Residuals in seconds of arc
160116 F51 0.1+ 0.1- 180929 695 0.1- 0.3- 181020 I52 0.1+ 0.1+
160116 F51 0.1+ 0.0 180930 104 0.3+ 0.2+ 181020 I52 0.0 0.3+
160116 F51 0.0 0.1+ 180930 104 0.2+ 0.2- 181020 I52 0.1- 0.2-
160116 F51 0.0 0.1+ 180930 104 0.1+ 0.1- 181021 I52 (0.3+ 1.7-)
160121 F51 0.2- 0.5- 180930 H21 0.1- 0.1- 181021 I52 0.2- 0.7-
160121 F51 0.1- 0.2+ 180930 H21 0.3+ 0.3- 181021 I52 0.3+ 0.8+
160205 F51 0.0 0.1+ 180930 H21 0.1+ 0.3- 181107 T12 0.0 0.1-
160205 F51 0.0 0.0 181001 H21 0.1- 0.0 181107 T12 0.0 0.0
160205 F51 0.0 0.3+ 181001 H21 0.2- 0.2- 181108 291 0.1- 0.3+
160205 F51 0.0 0.3- 181001 H21 0.2+ 1.0- 181108 291 0.3- 0.3+
180928 G96 0.1+ 0.1- 181002 K88 0.2- 0.3+ 181108 291 0.4- 0.0
180928 G96 0.1+ 0.3- 181002 K88 0.1- 0.0 181121 H21 0.1- 0.0
180928 G96 0.1+ 0.1- 181002 K88 0.2- 0.3+ 181121 H21 0.1- 0.1-
180928 G96 0.4- 0.2+ 181005 I52 0.0 0.2- 181121 H21 0.1+ 0.1-
180928 I52 0.4+ 0.5- 181005 I52 0.1- 0.1- 181121 H21 0.2- 0.3+
180928 I52 0.1+ 0.3- 181005 I52 0.1- 0.0 181204 I52 0.2- 0.2+
180928 I52 0.0 0.2+ 181005 I52 0.1- 0.1- 181204 I52 0.1+ 0.2-
180928 I52 0.3+ 0.1- 181005 T12 0.0 0.0 181217 F51 0.0 0.0
180928 J95 0.6+ 0.7+ 181005 T12 0.0 0.1- 181217 F51 0.0 0.1+
180928 J95 0.4+ 0.2+ 181005 T12 0.0 0.0 181217 F51 0.0 0.1-
180928 L01 0.6- 0.2- 181010 I52 0.0 0.2+ 181217 F51 0.1- 0.1+
180928 L01 0.6- 0.2- 181010 I52 0.1- 0.1- 181217 F51 0.1- 0.0
180928 L01 0.2- 0.1- 181010 I52 0.1+ 0.3+ 181217 F51 0.1+ 0.1-
180928 L01 0.3- 0.1- 181010 I52 0.2- 0.0 181217 F51 0.0 0.0
180928 L01 0.5- 0.2- 181013 C95 0.1+ 0.3+ 190104 291 0.0 0.5+
180929 291 0.9- 0.1+ 181013 C95 0.2- 0.5- 190104 291 0.4+ 0.4+
180929 291 0.4- 0.3+ 181013 C95 (1.6- 3.7+) 190104 291 0.3+ 0.1+
180929 291 0.3- 0.3+ 181013 204 0.0 0.0 190110 H21 0.0 0.5-
180929 I52 0.1- 0.2+ 181013 204 0.0 0.0 190110 H21 0.3- 0.1+
180929 I52 0.1- 0.5- 181013 204 0.1+ 0.0 190111 H21 0.2- 1.4+
180929 I52 0.1+ 0.1- 181013 A17 0.1+ 0.0 190111 H21 0.4- 1.3+
180929 I52 0.3+ 0.2- 181013 A17 0.0 0.1- 190111 H21 (0.7- 2.0+)
180929 695 0.0 0.1- 181013 A17 0.3- 0.1+
180929 695 0.1- 0.2- 181020 I52 0.3- 0.0
Ephemeris:
2018 SX2 a,e,i = 1.35, 0.30, 11 q = 0.9513
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 02 19 04 29 00.3 +36 07 37 1.0737 1.5929 101.1 37.5 23.5
...
2019 03 06 05 01 50.5 +34 28 02 1.2505 1.6347 92.9 37.3 23.9
...
2019 03 14 05 19 44.5 +33 38 20 1.3461 1.6545 88.7 36.9 24.0
...
2019 03 20 05 33 16.6 +33 01 16 1.4179 1.6682 85.6 36.5 24.2
2019 03 21 05 35 32.3 +32 55 03 1.4299 1.6704 85.0 36.4 24.2
2019 03 22 05 37 48.0 +32 48 49 1.4418 1.6725 84.5 36.4 24.2
...
2019 03 28 05 51 23.9 +32 10 57 1.5132 1.6849 81.5 35.9 24.3
...
2019 04 05 06 09 34.2 +31 18 37 1.6074 1.6998 77.5 35.1 24.4
...
2019 04 20 06 43 37.0 +29 32 07 1.7791 1.7229 70.3 33.3 24.6
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-F51
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