MPEC 2019-F68 : 2016 XO23
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M.P.E.C. 2019-F68 Issued 2019 Mar. 24, 17:47 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
2016 XO23
Revision to MPEC 2016-Y03
Additional Observations:
K16X23O C2011 07 25.44963121 17 53.424-08 00 30.60 22.1 GVEF068F51
K16X23O C2011 07 25.46487621 17 52.079-08 00 35.68 23.5 GVEF068F51
K16X23O KC2014 07 09.51268021 17 38.252-08 07 44.25 22.4 GVEF068F51
K16X23O KC2014 07 28.44266620 48 15.963-09 56 37.45 24.0 GVEF068F51
K16X23O C2014 08 03.43414320 39 07.371-10 35 55.61 23.2 GVEF068F51
K16X23O C2014 08 03.44468820 39 06.401-10 36 00.17 22.3 GVEF068F51
K16X23O C2014 08 03.46576220 39 04.483-10 36 08.29 23.1 GVEF068F51
K16X23O KC2014 08 04.38025720 37 44.230-10 42 06.45 22.5 GVEF068F51
K16X23O C2017 07 01.56782621 02 14.976-09 11 06.46 22.4 GVEF068F51
K16X23O C2017 07 01.57754621 02 14.049-09 11 08.91 22.6 GVEF068F51
K16X23O C2017 07 01.59698921 02 12.180-09 11 13.13 22.9 GVEF068F51
K16X23O C2017 07 21.43934720 28 26.819-10 57 29.01 VEF068F51
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
110725 F51 0.06- 0.02- 170721 F51 0.4- 0.4+ MPO411583 -0.089 day
Orbital elements:
2016 XO23 PHA, Earth MOID = 0.0035 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 259.65542 (2000.0) P Q
n 0.32354658 Peri. 299.38623 -0.99664274 -0.05064580
a 2.1014135 Node 237.77968 +0.07048469 -0.93050677
e 0.6197473 Incl. 4.36092 -0.04165529 -0.36275634
P 3.05 H 20.6 G 0.15 U 1
Residuals in seconds of arc
110725 F51 0.0 0.4- 161209 I52 0.8- 0.7- 161228 807 0.2+ 0.0
110725 F51 0.6+ 0.1+ 161209 I52 1.1- 0.2+ 161228 H21 0.2+ 0.8+
140709 F51 0.5- 0.2- 161209 691 0.3+ 0.2- 161228 H21 0.1- 0.5+
140728 F51 0.1+ 0.2- 161209 691 0.9+ 0.7- 170101 474 0.2+ 0.1+
140803 F51 0.0 0.2+ 161209 691 0.2+ 0.1- 170101 474 0.2+ 0.1-
140803 F51 0.1- 0.2- 161213 204 0.4- 0.6+ 170101 474 0.3+ 0.0
140803 F51 0.0 0.1- 161213 204 0.6- 0.3- 170101 474 0.4+ 0.1-
140804 F51 0.4- 0.8+ 161215 H01 0.0 0.0 170527 T12 0.1- 0.0
161208 G96 0.1+ 0.1+ 161215 H01 0.1+ 0.1+ 170527 T12 0.0 0.1-
161208 G96 0.1- 0.1+ 161215 H01 0.2+ 0.1+ 170528 T12 0.1+ 0.0
161208 G96 0.2+ 0.3+ 161215 H01 0.0 0.1- 170528 T12 0.0 0.0
161208 G96 0.3- 0.0 161227 I52 0.1+ 0.3- 170701 F51 0.2- 0.0
161208 G96 0.1+ 0.4+ 161227 I52 0.9- 0.4- 170701 F51 0.0 0.2-
161208 G96 0.1+ 0.3- 161227 I52 0.5- 0.1+ 170701 F51 0.3+ 0.1+
161208 G96 0.5+ 0.1+ 161227 I52 0.2- 0.1+ 170721 F51 0.2- 0.4+
161209 I52 (1.6- 0.7-) 161228 807 0.2+ 0.0
161209 I52 0.8- 0.5- 161228 807 0.1- 0.1-
Ephemeris:
2016 XO23 a,e,i = 2.10, 0.62, 4 q = 0.7991
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 02 22 00 18 04.0 +04 29 57 3.9167 3.1363 33.2 9.9 26.7
...
2019 03 09 00 35 07.4 +06 09 48 3.9811 3.0894 22.7 7.1 26.6
...
2019 03 17 00 44 39.0 +07 05 42 3.9981 3.0627 17.3 5.5 26.5
...
2019 03 23 00 51 58.0 +07 48 28 4.0029 3.0420 13.3 4.3 26.4
2019 03 24 00 53 12.0 +07 55 39 4.0030 3.0385 12.7 4.1 26.4
2019 03 25 00 54 26.2 +08 02 51 4.0030 3.0349 12.0 3.9 26.4
...
2019 03 31 01 01 56.2 +08 46 20 3.9986 3.0133 8.2 2.7 26.3
...
2019 04 08 01 12 08.2 +09 44 52 3.9822 2.9834 3.3 1.1 26.1
...
2019 04 23 01 31 48.6 +11 35 04 3.9191 2.9241 7.0 2.4 26.2
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-F68
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