MPEC 2019-B02 : 2012 XF55
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M.P.E.C. 2019-B02 Issued 2019 Jan. 16, 12:03 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
2012 XF55
Revision to MPEC 2012-X42
Additional Observations:
K12X55F C2016 07 13.48945920 39 42.154-14 51 10.69 22.4 GVEB002F51
K12X55F C2016 07 13.50109820 39 40.605-14 51 14.70 22.2 GVEB002F51
K12X55F C2016 08 07.34793719 49 49.144-17 16 31.72 23.3 GVEB002F51
K12X55F C2016 08 07.36003719 49 47.914-17 16 34.96 22.8 GVEB002F51
K12X55F C2016 08 07.38430519 49 45.466-17 16 41.91 21.8 GVEB002F51
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
160713 F51 17.2+ 4.6+ 160807 F51 16.1+ 3.5+ MPO285765 -0.0060 day
Orbital elements:
2012 XF55 Earth MOID = 0.0216 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 91.12292 (2000.0) P Q
n 0.68385083 Peri. 267.32869 -0.93370973 -0.35711941
a 1.2759347 Node 251.74694 +0.33824401 -0.85648295
e 0.2501246 Incl. 1.54056 +0.11737604 -0.37269649
P 1.44 H 22.8 G 0.15 U 0
Residuals in seconds of arc
121207 F51 0.1+ 0.0 130104 291 0.1+ 0.5+ 130508 H21 0.1+ 0.0
121207 F51 0.3+ 0.3+ 130104 291 0.1- 0.3+ 130508 H21 0.5+ 0.1-
121207 F51 0.3+ 0.1+ 130105 H21 0.0 0.1- 130508 H21 0.4+ 0.1+
121207 F51 0.2+ 0.1+ 130105 H21 0.0 0.0 130513 703 0.4+ 0.0
121208 291 0.2+ 0.2+ 130105 H21 0.2- 0.5- 130513 703 (0.9- 1.8+)
121208 291 0.1+ 0.2+ 130202 568 0.0 0.1- 130513 703 0.1+ 0.6+
121208 291 0.2- 0.2+ 130202 568 0.1+ 0.1- 130513 703 0.5+ 0.2-
121210 291 0.1+ 0.2+ 130202 568 0.0 0.0 130530 807 0.4+ 0.0
121210 291 0.5- 0.4+ 130207 291 0.2- 0.2+ 130530 807 0.3+ 0.0
121210 291 1.1- 0.3+ 130207 291 0.2- 0.2+ 130530 807 0.2+ 0.0
121211 291 0.4- 0.3+ 130207 291 0.1+ 0.2+ 130530 807 0.2+ 0.0
121211 291 0.4+ 0.1- 130408 291 0.2- 0.6+ 130530 807 0.3+ 0.1-
121211 291 0.3+ 0.4+ 130408 291 1.4- 1.0+ 130706 568 0.0 0.1+
121212 291 0.6- 0.4+ 130414 204 0.5+ 1.5- 130706 568 0.1- 0.1+
121212 291 0.2+ 0.4+ 130414 204 0.2+ 0.8- 130706 568 0.1- 0.2+
121212 291 0.4- 0.2+ 130426 H21 0.7+ 0.2+ 160713 F51 0.3- 0.1+
121213 G96 0.3- 0.4- 130426 H21 0.3+ 0.1- 160713 F51 0.3- 0.1+
121213 G96 0.3+ 0.6+ 130426 H21 0.0 0.6- 160807 F51 0.4+ 0.2-
121213 G96 0.3+ 0.3+ 130503 703 0.2- 0.2- 160807 F51 0.2+ 0.1+
121213 G96 0.0 0.2- 130503 703 0.0 0.7- 160807 F51 0.1+ 0.2+
130104 291 0.4- 0.1- 130508 H21 0.1+ 0.1-
Ephemeris:
2012 XF55 a,e,i = 1.28, 0.25, 2 q = 0.9568
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 12 17 14 06 14.0 -14 04 44 1.2085 0.9570 50.5 52.5 25.0
...
2019 01 01 15 09 30.0 -18 52 42 1.2446 0.9686 49.9 50.9 25.1
...
2019 01 09 15 43 09.6 -20 49 13 1.2650 0.9818 49.9 50.0 25.1
...
2019 01 15 16 08 12.4 -21 58 27 1.2801 0.9945 50.0 49.3 25.2
2019 01 16 16 12 21.5 -22 08 28 1.2826 0.9968 50.1 49.2 25.2
2019 01 17 16 16 30.0 -22 18 02 1.2850 0.9992 50.1 49.1 25.2
...
2019 01 23 16 41 09.5 -23 06 27 1.2992 1.0147 50.5 48.4 25.2
...
2019 01 31 17 13 23.8 -23 47 26 1.3163 1.0383 51.2 47.7 25.3
...
2019 02 15 18 11 06.6 -23 57 30 1.3404 1.0892 53.2 46.6 25.4
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-B02
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