MPEC 2019-L93 : 2017 AT19
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M.P.E.C. 2019-L93 Issued 2019 June 13, 18:53 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
2017 AT19
Revision to MPEC 2017-B7
Additional Observations:
K17A19T C2012 11 03.21296120 50 33.111-23 02 32.31 22.1 GVEL093F51
K17A19T C2012 11 03.21770720 50 33.919-23 02 30.91 22.0 GVEL093F51
K17A19T C2012 11 03.22245420 50 34.744-23 02 29.29 22.1 GVEL093F51
K17A19T C2012 11 03.22722220 50 35.561-23 02 27.74 23.0 GVEL093F51
K17A19T C2013 03 05.24747103 44 45.210+14 12 09.08 23.1 GVEL093F51
K17A19T C2013 03 05.25142203 44 45.939+14 12 12.67 22.6 GVEL093F51
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe,
E. Magnier, A. Schultz, M. Willman. 1.8-m Ritchey-Chretien + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
121103 F51 24.2+ 1.3+ 130305 F51 20.3+ 4.0+ MPO438035 -0.01 days
Orbital elements:
2017 AT19 Earth MOID = 0.2646 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 254.49275 (2000.0) P Q
n 0.26283078 Peri. 239.86423 +0.87640366 -0.47777102
a 2.4137108 Node 148.56075 +0.47202451 +0.82736121
e 0.4870025 Incl. 6.65274 +0.09544361 +0.29531049
P 3.75 H 19.9 G 0.15 U 1
Residuals in seconds of arc
121103 F51 0.0 0.0 170107 G96 0.6- 0.4+ 170108 691 0.3- 0.2+
121103 F51 0.1- 0.0 170107 G96 0.1- 0.1- 170116 807 0.4+ 0.6-
121103 F51 0.1+ 0.1+ 170107 G96 0.2+ 0.3+ 170116 807 0.3+ 0.5-
121103 F51 0.0 0.2+ 170107 G96 0.1+ 0.4- 170116 807 0.3+ 0.3+
130305 F51 0.1+ 0.7- 170108 291 0.0 0.1- 170117 291 0.1- 0.1+
130305 F51 0.2+ 0.4- 170108 291 0.1- 0.2- 170117 291 0.0 0.2-
161110 F51 0.4- 0.1+ 170108 291 0.2+ 0.0 170117 291 0.2+ 0.2+
161110 F51 0.1+ 0.1+ 170108 G96 0.4+ 1.4- 170121 204 0.2- 0.0
161110 F51 0.1+ 0.2+ 170108 G96 0.3+ 0.4- 170121 204 0.5- 0.4+
161110 F51 0.0 0.1+ 170108 G96 0.5+ 0.3+ 170126 J04 0.3+ 0.1+
161128 F51 0.1- 0.0 170108 G96 0.1- 0.2- 170126 J04 0.3+ 0.2-
161128 F51 0.1+ 0.4- 170108 I52 0.2- 0.6+ 170126 J04 0.5+ 0.0
161128 F51 0.2+ 0.0 170108 I52 1.2+ 0.5+ 170204 291 0.0 0.5+
170107 G96 0.0 0.1- 170108 I52 0.4+ 0.6- 170204 291 0.0 0.4+
170107 G96 0.3+ 0.7- 170108 691 0.1- 0.1- 170204 291 0.1+ 0.1+
170107 G96 0.3+ 0.1- 170108 691 1.0- 0.5+
Ephemeris:
2017 AT19 a,e,i = 2.41, 0.49, 7 q = 1.2382
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 05 14 16 31 41.0 -12 01 55 2.0971 3.0734 161.8 5.9 24.4
...
2019 05 29 16 16 35.0 -11 14 25 2.0168 3.0194 169.7 3.4 24.2
...
2019 06 06 16 08 06.6 -10 54 04 2.0009 2.9894 164.0 5.4 24.2
...
2019 06 12 16 01 57.2 -10 42 13 2.0010 2.9664 157.9 7.4 24.3
2019 06 13 16 00 57.6 -10 40 34 2.0020 2.9626 156.8 7.8 24.3
2019 06 14 15 59 58.7 -10 39 01 2.0032 2.9587 155.7 8.1 24.3
...
2019 06 20 15 54 22.7 -10 31 50 2.0160 2.9351 149.2 10.2 24.4
...
2019 06 28 15 47 52.3 -10 28 16 2.0464 2.9029 140.4 12.9 24.5
...
2019 07 13 15 39 30.3 -10 41 04 2.1371 2.8403 124.6 17.1 24.7
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-L93
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