MPEC 2019-W56 : 2019 JS2
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M.P.E.C. 2019-W56 Issued 2019 November 19, 15:32 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
2019 JS2
Revision to MPEC 2019-J70
Additional Observations:
K19J02S C2014 11 18.30370203 05 06.188+10 34 43.00 22.7 GVEW056F51
K19J02S C2014 11 18.32641103 05 04.377+10 34 10.75 22.4 GVEW056F51
K19J02S C2014 11 20.46980803 02 24.961+09 44 06.83 22.1 GVEW056F51
K19J02S C2014 11 20.48108403 02 24.122+09 43 50.91 22.3 GVEW056F51
K19J02S C2014 11 20.49230003 02 23.285+09 43 36.00 22.2 GVEW056F51
K19J02S C2014 11 20.50350803 02 22.426+09 43 20.44 22.2 GVEW056F51
K19J02S C2014 11 21.42569303 01 16.892+09 22 29.75 21.3 GVEW056F51
K19J02S C2014 11 21.43723403 01 16.052+09 22 14.22 21.8 GVEW056F51
K19J02S C2014 11 21.44895103 01 15.191+09 21 58.58 21.7 GVEW056F51
K19J02S C2014 11 21.46056303 01 14.351+09 21 43.05 22.5 GVEW056F51
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, 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
141118 F51 81.4+ 16.5+ 141121 F51 80.6+ 15.2+ MPO477916 -0.01 days
Orbital elements:
2019 JS2 Earth MOID = 0.4061 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5 Veres
M 109.40034 (2000.0) P Q
n 0.37398354 Peri. 72.20443 +0.37695362 +0.85810664
a 1.9079532 Node 225.42489 -0.91977498 +0.39116379
e 0.3559189 Incl. 29.30468 +0.10917857 +0.33263175
P 2.64 H 20.4 G 0.15 U 3
Residuals in seconds of arc
141118 F51 0.3- 0.0 190506 691 0.4+ 0.6+ 190524 I52 0.2- 0.2-
141118 F51 0.6- 0.1+ 190506 H21 0.1+ 0.3+ 190526 G96 0.0 0.2-
141120 F51 0.0 0.1+ 190506 H21 0.4+ 0.5+ 190526 G96 0.0 0.0
141120 F51 0.1+ 0.3- 190506 E23 0.2- 0.8+ 190526 G96 0.0 0.2+
141120 F51 0.2+ 0.2+ 190506 E23 0.4+ 0.1+ 190526 G96 0.2+ 0.2+
141120 F51 0.0 0.0 190506 E23 0.1- 0.1+ 190529 I52 0.9- 4.4+
141121 F51 0.1- 0.0 190506 033 0.2+ 0.2- 190529 I52 0.4- 0.6-
141121 F51 0.1+ 0.0 190506 033 0.1+ 0.3- 190529 I52 0.2- 0.1-
141121 F51 0.2+ 0.2+ 190506 033 0.0 0.0 190529 I52 0.1+ 0.1-
141121 F51 0.4+ 0.2+ 190506 K63 0.6- 0.0 190601 G96 0.3+ 0.3-
190504 G96 0.1- 0.1+ 190506 K63 0.3+ 0.7+ 190601 G96 0.4+ 0.0
190504 G96 0.0 0.4+ 190506 104 0.6+ 0.2+ 190601 G96 0.1+ 0.0
190504 G96 0.2- 0.0 190506 104 0.5+ 0.5+ 190601 G96 0.1+ 0.2+
190504 G96 0.1- 0.2+ 190506 104 0.2- 0.1+ 190602 I52 0.9- 0.3-
190504 I52 0.0 0.1+ 190507 474 0.2+ 0.0 190602 I52 0.2- 0.9-
190504 I52 0.2+ 0.2- 190507 474 0.2+ 0.3- 190602 I52 0.1- 0.5-
190504 I52 0.1- 0.3- 190507 474 0.0 0.3+ 190602 I52 0.4+ 0.0
190504 I52 0.1+ 0.3- 190507 P93 0.3+ 0.5- 190608 I52 0.1- 0.1-
190505 807 0.1- 0.1+ 190507 P93 0.6+ 0.4- 190608 I52 0.3+ 0.5+
190505 807 0.3- 0.0 190507 P93 0.4+ 0.7- 190608 I52 0.2+ 0.1-
190505 807 0.1- 0.1- 190508 I52 0.1- 0.0 190608 I52 0.1- 0.3-
190505 I52 0.2- 0.3- 190508 I52 0.2- 0.0 190615 I52 0.4+ 0.2-
190505 I52 0.1- 0.1- 190508 I52 0.7- 0.0 190615 I52 0.0 0.7-
190505 I52 1.4+ 0.2- 190508 I52 0.5- 0.5- 190615 I52 0.3- 0.5-
190505 I52 0.1- 0.0 190514 I52 0.0 0.2- 190615 I52 0.3- 0.0
190506 I52 0.9- 0.1+ 190514 I52 0.4- 0.5- 190624 V06 0.1- 0.3+
190506 I52 0.1+ 0.4- 190514 I52 0.2- 0.1- 190624 V06 0.4- 0.5+
190506 I52 0.1+ 0.0 190514 I52 0.7+ 0.1+ 190624 V06 0.4- 0.2-
190506 I52 1.0- 0.6+ 190524 I52 0.3- 0.1- 190625 G96 0.1- 0.4+
190506 691 0.2+ 0.5+ 190524 I52 0.0 0.1- 190625 G96 0.2+ 0.1-
190506 691 0.1+ 0.1+ 190524 I52 0.0 0.0 190625 G96 0.1+ 0.3-
Ephemeris:
2019 JS2 a,e,i = 1.91, 0.36, 29 q = 1.2289
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 10 20 19 46 12.5 +19 17 39 0.8560 1.3747 95.6 46.1 22.5
...
2019 11 04 20 42 22.8 +14 35 38 0.9439 1.4351 95.7 43.5 22.7
...
2019 11 12 21 11 01.0 +12 23 49 1.0066 1.4697 94.8 42.2 22.9
...
2019 11 18 21 31 40.4 +10 57 11 1.0606 1.4964 93.7 41.2 23.0
2019 11 19 21 35 02.6 +10 43 51 1.0702 1.5009 93.5 41.1 23.0
2019 11 20 21 38 23.6 +10 30 51 1.0800 1.5054 93.3 40.9 23.1
...
2019 11 26 21 58 02.6 +09 19 46 1.1417 1.5328 91.8 40.1 23.2
...
2019 12 04 22 23 04.2 +08 03 36 1.2318 1.5699 89.4 38.9 23.4
...
2019 12 19 23 06 31.6 +06 33 56 1.4210 1.6406 83.9 36.6 23.7
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-W56
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