MPEC 2019-O22 : 2019 BR1
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M.P.E.C. 2019-O22 Issued 2019 July 18, 15:42 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 BR1
Revision to MPEC 2019-B94
Additional Observations:
K19B01R C2011 10 17.37007000 40 45.194+47 01 50.40 21.9 GVEO022F51
K19B01R C2011 10 17.38468600 40 43.160+47 01 25.83 22.0 GVEO022F51
K19B01R C2011 10 23.34630100 29 04.973+43 59 36.56 21.0 GVEO022F51
K19B01R C2011 10 23.35998400 29 03.438+43 59 10.17 20.8 GVEO022F51
K19B01R C2011 10 23.37357200 29 01.935+43 58 43.94 21.3 GVEO022F51
K19B01R C2011 10 23.38559500 29 00.587+43 58 20.55 20.9 GVEO022F51
K19B01R C2011 10 24.26543600 27 32.369+43 29 44.99 21.2 GVEO022F51
K19B01R C2011 10 24.27699200 27 31.161+43 29 22.83 21.5 GVEO022F51
K19B01R C2014 11 29.50184 08 11 04.982+13 16 06.92 21.6 wLEO022F51
K19B01R C2014 11 29.51443908 11 05.005+13 15 48.33 21.7 GVEO022F51
K19B01R C2014 11 29.52703 08 11 05.033+13 15 29.74 21.8 wLEO022F51
K19B01R C2014 11 29.53964 08 11 05.053+13 15 11.31 21.8 wLEO022F51
K19B01R C2014 12 15.58089208 04 41.040+05 26 15.77 20.7 GVEO022F51
K19B01R C2014 12 15.59385408 04 40.200+05 25 49.08 20.9 GVEO022F51
K19B01R C2014 12 15.60674808 04 39.392+05 25 22.91 20.6 GVEO022F51
K19B01R C2015 01 26.36974506 15 06.526-22 36 00.38 20.4 GVEO022F51
K19B01R C2015 01 26.38107006 15 04.023-22 36 21.29 20.5 GVEO022F51
K19B01R C2015 01 26.39236506 15 01.546-22 36 42.01 20.4 GVEO022F51
K19B01R C2015 10 24.31223700 02 56.947+42 03 19.13 22.1 GVEO022F51
K19B01R C2015 10 24.33580000 02 55.104+42 02 30.64 21.4 GVEO022F51
K19B01R C2015 10 25.30566800 01 46.730+41 28 54.99 22.0 GVEO022F51
K19B01R C2015 10 25.31740200 01 45.855+41 28 30.84 21.7 GVEO022F51
K19B01R C2015 10 25.32915400 01 44.941+41 28 06.54 21.6 GVEO022F51
K19B01R C2015 12 14.26364100 18 52.729+19 41 39.34 22.4 GVEO022F51
K19B01R C2015 12 14.27641900 18 53.649+19 41 29.31 22.5 GVEO022F51
K19B01R C2015 12 14.28908100 18 54.648+19 41 18.69 22.7 GVEO022F51
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe,
E. Magnier, A. Schultz, M. Willman, B. Gibson, T. Goggia, N. Primak.
Measurers S. Chastel, M. Huber, Y. Ramanjooloo, R. Wainscoat, R. Weryk,
K. Chambers, L. Denneau, H. Flewelling, E. Magnier, E. Schunova,
C. Waters. 1.8-m Ritchey-Chretien + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
111017 F51 5.8+ 5.8+ 151214 F51 0.1+ 4.7+ MPO467415 0.00 days
Orbital elements:
2019 BR1 Earth MOID = 0.1882 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 351.80373 (2000.0) P Q
n 0.73703337 Peri. 333.87215 -0.57296648 +0.76047124
a 1.2137930 Node 259.65796 -0.68698270 -0.64897740
e 0.3500477 Incl. 18.09838 -0.44694987 +0.02262382
P 1.34 H 20.6 G 0.15 U 1
Residuals in seconds of arc
111017 F51 0.0 0.2- 190124 L01 0.5+ 0.9+ 190212 I52 0.2+ 0.4-
111017 F51 0.1- 0.1+ 190124 L01 0.6- 0.5+ 190212 I52 0.0 0.1+
111023 F51 0.1+ 0.0 190125 H01 0.0 0.1+ 190212 I52 0.1- 0.3-
111023 F51 0.1- 0.0 190125 H01 0.1+ 0.1- 190218 695 0.3+ 0.9+
111023 F51 0.1- 0.0 190125 H01 0.0 0.1+ 190218 695 0.4- 0.1-
111023 F51 0.2- 0.0 190125 H01 0.2+ 0.0 190218 695 0.5- 0.2+
111024 F51 0.1- 0.1- 190125 I52 0.0 0.3- 190223 807 0.2- 0.0
111024 F51 0.0 0.0 190125 I52 0.1- 0.0 190223 807 0.2- 0.3-
141129 F51 0.1- 0.1+ 190125 I52 0.2- 0.1- 190223 807 0.1- 0.2-
141129 F51 0.1- 0.1+ 190125 I52 0.6- 0.8+ 190224 807 0.3+ 0.0
141129 F51 0.0 0.1+ 190126 291 0.0 0.0 190224 807 0.0 0.1+
141129 F51 0.0 0.2+ 190126 291 0.1- 0.2- 190224 807 0.0 0.2+
141215 F51 0.1- 0.3- 190126 291 0.1+ 0.1- 190301 807 0.1+ 0.2-
141215 F51 0.1- 0.3- 190126 I52 0.3- 0.2- 190301 807 0.1+ 0.0
141215 F51 0.3+ 0.1+ 190126 I52 0.4- 1.1- 190301 807 0.4- 0.2-
150126 F51 0.2+ 0.0 190126 I52 0.2- 1.6- 190302 807 0.0 0.2+
150126 F51 0.0 0.1- 190126 I52 0.5- 0.2+ 190302 807 0.0 0.3+
150126 F51 0.0 0.1- 190128 I52 0.2- 0.3+ 190302 807 0.1+ 0.1-
151024 F51 0.1+ 0.1+ 190128 I52 0.0 0.2- 190317 807 0.2+ 0.5-
151024 F51 0.6+ 0.3+ 190128 I52 0.5- 0.8+ 190317 807 0.1- 0.0
151025 F51 0.2- 0.1- 190128 I52 0.3- 0.5+ 190317 807 0.3+ 0.2-
151025 F51 0.1- 0.0 190201 691 0.0 0.2+ 190323 807 0.1- 0.4-
151025 F51 0.4- 0.1+ 190201 691 0.0 0.2- 190324 807 0.0 0.2-
151214 F51 0.2+ 0.1- 190201 691 0.1- 0.1- 190324 807 0.1+ 0.2-
151214 F51 0.1- 0.1+ 190209 F51 0.1- 0.2+ 190605 V06 0.9+ 0.1-
151214 F51 0.8+ 0.4- 190209 F51 0.0 0.0 190605 V06 0.4- 0.1+
190124 F51 0.1+ 0.1+ 190209 F51 0.1- 0.1+ 190624 V06 0.2- 0.2+
190124 F51 0.0 0.1- 190211 I52 1.0+ 0.6+ 190624 V06 0.3+ 0.2-
190124 F51 0.1+ 0.1+ 190211 I52 0.0 0.8- 190624 V06 0.4+ 0.1-
190124 L01 1.1+ 0.2+ 190211 I52 0.1- 0.0
Ephemeris:
2019 BR1 a,e,i = 1.21, 0.35, 18 q = 0.7889
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 06 18 00 59 38.5 +27 26 08 0.4803 0.9086 63.4 88.4 21.9
...
2019 07 03 01 13 59.9 +35 45 41 0.5539 0.9901 71.3 76.6 22.0
...
2019 07 11 01 22 51.4 +39 28 01 0.5833 1.0362 75.3 71.7 22.0
...
2019 07 17 01 29 18.6 +41 59 23 0.6004 1.0712 78.4 68.3 22.0
2019 07 18 01 30 20.6 +42 23 29 0.6029 1.0771 78.9 67.8 22.0
2019 07 19 01 31 21.7 +42 47 17 0.6052 1.0829 79.4 67.3 22.1
...
2019 07 25 01 37 01.6 +45 04 01 0.6168 1.1177 82.5 64.3 22.1
...
2019 08 02 01 42 55.2 +47 51 00 0.6261 1.1635 86.9 60.6 22.1
...
2019 08 17 01 45 52.4 +52 15 01 0.6271 1.2460 96.0 53.9 22.0
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-O22
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