MPEC 2019-F86 : 2013 XY21
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M.P.E.C. 2019-F86 Issued 2019 Mar. 26, 03:18 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
2013 XY21
Revision to MPEC 2013-X74
Additional Observations:
K13X21Y C2013 11 26.47681503 01 46.285+68 25 32.68 20.1 GVEF086F51
K13X21Y C2013 12 12.29938401 49 35.758+71 58 36.69 20.2 GVEF086F51
K13X21Y C2014 03 19.33152807 36 46.818+55 42 34.02 20.0 GVEF086F51
K13X21Y C2014 03 19.34367407 36 50.087+55 41 55.78 20.1 GVEF086F51
K13X21Y C2014 03 27.36624508 10 04.609+48 29 17.35 20.2 GVEF086F51
K13X21Y C2014 04 12.28343909 00 11.428+33 52 58.37 20.7 GVEF086F51
K13X21Y C2014 04 12.32190809 00 17.393+33 50 55.21 21.0 GVEF086F51
K13X21Y C2014 05 31.27574910 45 03.687+01 46 17.53 22.8 GVEF086F51
K13X21Y C2014 05 31.29393210 45 05.625+01 45 47.98 20.5 GVEF086F51
K13X21Y C2014 06 20.27321011 21 48.068-06 15 00.64 23.4 GVEF086F51
K13X21Y C2014 06 20.27848611 21 48.631-06 15 07.37 22.8 GVEF086F51
K13X21Y C2014 06 20.28376411 21 49.224-06 15 13.54 22.4 GVEF086F51
K13X21Y C2014 06 24.27131211 29 02.671-07 38 39.49 22.5 GVEF086F51
K13X21Y C2014 06 24.27526711 29 03.074-07 38 44.52 23.0 GVEF086F51
K13X21Y C2014 06 24.27925611 29 03.527-07 38 49.64 22.6 GVEF086F51
K13X21Y C2017 09 18.45818400 43 51.162-00 03 18.95 23.3 GVEF086F51
K13X21Y C2017 09 25.43070900 35 40.330-00 10 23.84 23.2 GVEF086F51
K13X21Y C2017 09 25.44335100 35 39.340-00 10 24.49 23.4 GVEF086F51
K13X21Y C2017 09 25.45605400 35 38.412-00 10 25.78 22.7 GVEF086F51
K13X21Y C2017 09 25.46875100 35 37.421-00 10 26.44 22.2 GVEF086F51
K13X21Y C2017 09 26.39226600 34 29.382-00 11 23.46 22.8 GVEF086F51
K13X21Y C2017 09 26.40406100 34 28.451-00 11 24.43 22.6 GVEF086F51
K13X21Y C2017 09 26.41587200 34 27.563-00 11 25.17 22.8 GVEF086F51
K13X21Y C2017 09 26.42762000 34 26.667-00 11 25.76 23.1 GVEF086F51
K13X21Y C2017 10 22.37613700 01 45.854-00 23 22.22 23.2 GVEF086F51
K13X21Y C2017 10 22.39092700 01 44.823-00 23 21.34 23.4 GVEF086F51
K13X21Y C2017 10 22.40559500 01 43.764-00 23 20.92 23.4 GVEF086F51
K13X21Y C2017 10 22.42025400 01 42.706-00 23 21.02 22.8 GVEF086F51
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, reference and Delta-T
131126 F51 0.6+ 0.4- 171022 F51 57.1+ 72.0+ MPO294912 -0.11 day
Orbital elements:
2013 XY21 Earth MOID = 0.4143 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 63.32757 (2000.0) P Q
n 0.22404590 Peri. 121.27969 -0.65963717 -0.74709597
a 2.6847965 Node 11.18836 +0.46099935 -0.48837008
e 0.5259535 Incl. 25.00389 +0.59359784 -0.45093489
P 4.40 H 19.1 G 0.15 U 0
Residuals in seconds of arc
131126 F51 0.2+ 0.1- 140103 568 0.0 0.1- 140326 H21 0.2+ 0.4+
131212 F51 0.0 0.1+ 140103 568 0.1+ 0.1- 140327 F51 0.2- 0.1-
131212 F51 0.0 0.1+ 140103 568 0.1+ 0.1- 140412 F51 0.7+ 0.2+
131212 F51 0.1- 0.1+ 140103 568 0.0 0.1- 140412 F51 0.0 0.3-
131212 F51 0.1+ 0.1+ 140111 568 0.0 0.0 140419 H21 0.4- 0.2+
131214 926 0.0 0.2- 140111 568 0.0 0.1- 140419 H21 0.1+ 0.1+
131214 926 0.2- 0.3+ 140111 568 0.1+ 0.1- 140531 F51 0.3+ 0.5+
131214 926 0.3- 0.6- 140111 568 0.0 0.0 140531 F51 0.6- 0.6+
131215 H01 0.1- 0.2+ 140111 568 0.0 0.1- 140620 F51 0.2- 0.4-
131215 H01 0.1- 0.2+ 140114 926 0.8- 0.9+ 140620 F51 0.2- 0.4-
131215 H01 0.1- 0.2+ 140114 926 0.1- 0.4- 140620 F51 0.2+ 0.2+
131215 H01 0.2+ 0.2+ 140114 926 0.1+ 0.5+ 140624 F51 0.1+ 0.1+
131215 H01 0.0 0.6+ 140207 H21 0.4+ 0.3+ 140624 F51 0.2- 0.1-
131215 H01 0.1- 0.5+ 140207 H21 0.5+ 0.2+ 140624 F51 0.2+ 0.3-
131215 H01 0.0 0.5+ 140207 H21 0.1- 0.5- 170918 F51 0.5+ 0.0
131215 H01 0.0 0.3+ 140224 204 0.1- 0.3- 170925 F51 0.2+ 0.2+
131222 568 0.2- 0.2+ 140224 204 0.2- 0.0 170925 F51 0.3- 0.3+
131222 568 0.1- 0.2+ 140310 926 0.3+ 0.6+ 170925 F51 0.1+ 0.2-
131223 H36 0.6+ 0.6+ 140310 926 0.1- 0.4+ 170925 F51 0.4- 0.1-
131223 H36 0.0 0.5+ 140310 926 0.0 0.5+ 170926 F51 0.3+ 0.2+
131223 291 0.2- 0.3+ 140319 F51 0.0 0.0 170926 F51 0.2- 0.0
131223 291 0.0 0.4+ 140319 F51 0.1+ 0.1- 170926 F51 0.0 0.0
131223 033 0.6- 0.5+ 140324 H21 0.8+ 0.4+ 170926 F51 0.1- 0.1+
131223 033 0.2- 0.8+ 140324 H21 1.0+ 0.4+ 171022 F51 0.1- 0.2-
131230 291 0.2- 0.4+ 140326 H21 0.3+ 0.1- 171022 F51 0.2+ 0.2+
131230 291 0.2+ 0.5+ 140326 H21 0.6+ 0.1- 171022 F51 0.1- 0.1+
140103 568 0.0 0.0 140326 H21 0.5+ 0.0 171022 F51 0.4- 0.5-
140103 568 0.0 0.1- 140326 H21 0.5+ 0.0
Ephemeris:
2013 XY21 a,e,i = 2.68, 0.53, 25 q = 1.2727
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 02 24 17 37 40.9 -41 57 21 2.5620 2.4158 70.3 22.7 24.1
...
2019 03 11 17 58 54.1 -44 26 41 2.4651 2.5050 80.7 23.0 24.1
...
2019 03 19 18 08 16.8 -45 48 20 2.4100 2.5516 86.6 22.9 24.1
...
2019 03 25 18 14 15.9 -46 51 06 2.3681 2.5861 91.0 22.7 24.1
2019 03 26 18 15 10.1 -47 01 43 2.3612 2.5918 91.8 22.6 24.1
2019 03 27 18 16 02.5 -47 12 22 2.3542 2.5975 92.6 22.6 24.1
...
2019 04 02 18 20 38.9 -48 17 13 2.3127 2.6315 97.2 22.1 24.1
...
2019 04 10 18 24 56.0 -49 45 59 2.2591 2.6762 103.5 21.3 24.0
...
2019 04 25 18 26 18.2 -52 36 01 2.1701 2.7580 115.6 19.2 24.0
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-F86
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