MPEC 2019-O16 : 2015 TH323
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M.P.E.C. 2019-O16 Issued 2019 July 18, 15:35 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
2015 TH323
Revision to MPEC 2015-U22
Additional Observations:
K15TW3H C2019 04 04.43684813 13 37.338+05 21 37.53 22.8 GVEO016F51
K15TW3H C2019 04 04.44807513 13 36.629+05 21 43.91 22.8 GVEO016F51
K15TW3H C2019 04 04.47060813 13 35.255+05 21 57.12 22.7 GVEO016F51
K15TW3H C2019 05 06.26321912 42 00.888+09 20 17.60 22.5 GVEO016F51
K15TW3H C2019 05 27.34065212 31 04.031+09 45 06.64 22.7 GVEO016F51
K15TW3H C2019 05 27.35246112 31 03.838+09 45 05.52 22.6 GVEO016F51
K15TW3H C2019 05 27.36427312 31 03.667+09 45 04.51 22.3 GVEO016F51
K15TW3H C2019 05 27.37614512 31 03.510+09 45 03.25 22.4 GVEO016F51
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
190404 F51 60.3- 15.3- 190527 F51 47.6- 7.2- MPO386938 -0.05 days
Orbital elements:
2015 TH323 Earth MOID = 0.2191 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 311.42973 (2000.0) P Q
n 0.22386148 Peri. 171.47366 +0.68256523 +0.72393634
a 2.6862708 Node 141.47672 -0.67964088 +0.67913706
e 0.5412165 Incl. 9.24894 -0.26868752 +0.12119829
P 4.40 H 19.4 G 0.15 U 2
Residuals in seconds of arc
150731 F51 0.3+ 0.2- 151018 H21 0.2- 0.2- 151106 691 0.4- 0.3+
150731 F51 0.2- 0.1- 151018 H21 0.3- 0.0 151113 291 0.5- 0.4-
150731 F51 0.2+ 0.1- 151018 H21 0.1+ 0.2- 151113 291 0.0 0.0
150731 F51 0.4- 0.1- 151020 H21 0.3+ 1.2- 151120 807 0.3+ 0.0
150821 F51 0.0 0.3+ 151020 H21 0.3+ 1.3- 151120 807 0.5+ 0.3+
150821 F51 0.0 0.1+ 151020 H21 0.2+ 1.5- 151120 807 0.5+ 0.1+
150821 F51 0.0 0.1+ 151030 807 0.5- 0.5- 151202 H21 0.4- 0.3+
151015 F51 0.1- 0.2+ 151030 807 0.0 0.2- 151202 H21 0.5- 0.1+
151015 F51 0.0 0.1+ 151030 807 0.2+ 0.1+ 151202 H21 0.1- 0.4+
151015 F51 0.1+ 0.1+ 151101 691 0.3+ 0.1- 190404 F51 0.1+ 0.0
151016 291 0.1- 0.2+ 151101 691 0.2- 0.2+ 190404 F51 0.1- 0.1-
151016 291 0.7- 0.4+ 151101 691 0.3- 0.1- 190404 F51 0.1+ 0.1-
151017 807 0.4+ 0.1+ 151101 291 0.3- 0.1+ 190506 F51 0.2- 0.3+
151017 807 0.2+ 0.2+ 151101 291 0.3- 0.0 190527 F51 0.2+ 0.0
151017 807 0.2+ 0.1+ 151101 291 0.3+ 0.0 190527 F51 0.1- 0.0
151018 H21 0.7+ 0.4+ 151106 691 0.3- 0.5+ 190527 F51 0.1- 0.1+
151018 H21 0.2+ 0.5+ 151106 691 0.7+ 0.0 190527 F51 0.1+ 0.0
Ephemeris:
2015 TH323 a,e,i = 2.69, 0.54, 9 q = 1.2324
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 06 18 12 33 47.9 +08 18 02 1.6703 2.0729 98.0 29.0 23.4
...
2019 07 03 12 43 35.4 +06 25 30 1.7447 1.9723 87.0 31.0 23.4
...
2019 07 11 12 51 10.2 +05 11 23 1.7807 1.9183 81.7 31.6 23.4
...
2019 07 17 12 57 50.5 +04 10 14 1.8053 1.8777 77.9 32.0 23.4
2019 07 18 12 59 01.9 +03 59 37 1.8092 1.8710 77.3 32.0 23.4
2019 07 19 13 00 14.7 +03 48 53 1.8130 1.8642 76.8 32.0 23.4
...
2019 07 25 13 07 58.8 +02 42 02 1.8343 1.8238 73.3 32.2 23.4
...
2019 08 02 13 19 29.3 +01 06 50 1.8587 1.7700 69.0 32.4 23.4
...
2019 08 17 13 44 38.3 -02 07 45 1.8911 1.6707 61.8 32.3 23.3
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-O16
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