MPEC 2019-F04 : 2019 BC1
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M.P.E.C. 2019-F04 Issued 2019 Mar. 16, 22:40 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 BC1
Revision to MPEC 2019-B74
Additional Observations:
K19B01C C2010 09 16.59507303 26 12.707-28 13 16.76 20.0 GVEF004F51
K19B01C C2010 09 16.59660903 26 13.064-28 13 19.84 20.2 GVEF004F51
K19B01C C2010 09 16.59805703 26 13.369-28 13 22.45 20.3 GVEF004F51
K19B01C C2010 09 16.59950903 26 13.689-28 13 25.25 20.0 GVEF004F51
K19B01C C2010 09 16.60095403 26 14.016-28 13 27.82 20.5 GVEF004F51
K19B01C C2010 09 16.60248503 26 14.328-28 13 30.41 20.4 GVEF004F51
K19B01C C2010 09 16.60396103 26 14.674-28 13 33.39 20.3 GVEF004F51
K19B01C C2010 09 16.60792103 26 15.525-28 13 40.56 20.8 GVEF004F51
K19B01C C2010 09 16.60945903 26 15.854-28 13 43.38 20.6 GVEF004F51
K19B01C C2010 09 16.61091103 26 16.171-28 13 46.06 20.9 GVEF004F51
K19B01C C2010 09 16.61236103 26 16.487-28 13 48.48 20.8 GVEF004F51
K19B01C C2010 09 16.61389303 26 16.829-28 13 51.51 20.6 GVEF004F51
K19B01C C2010 09 16.61681403 26 17.466-28 13 56.83 20.6 GVEF004F51
K19B01C C2010 09 17.59632703 30 00.680-28 44 04.18 20.6 GVEF004F51
K19B01C C2010 09 17.59925303 30 01.367-28 44 09.83 20.8 GVEF004F51
K19B01C C2010 09 17.60810503 30 03.321-28 44 26.06 21.1 GVEF004F51
K19B01C C2010 09 18.60465603 33 55.318-29 15 21.49 21.0 GVEF004F51
K19B01C C2010 09 18.61050503 33 56.640-29 15 32.49 21.5 GVEF004F51
K19B01C C2011 03 25.52317913 46 55.448+29 05 22.20 21.4 GVEF004F51
K19B01C C2014 09 16.54140302 21 30.767-33 39 01.31 21.3 GVEF004F51
K19B01C C2014 09 16.55325902 21 32.220-33 39 28.52 21.8 GVEF004F51
K19B01C C2014 09 16.56509702 21 33.662-33 39 56.03 20.9 GVEF004F51
K19B01C C2014 10 07.50184303 18 09.648-48 34 31.81 20.2 GVEF004F51
K19B01C C2014 10 07.50976703 18 11.220-48 34 53.04 20.4 GVEF004F51
K19B01C C2014 10 07.52564803 18 14.433-48 35 35.31 20.7 GVEF004F51
K19B01C C2018 08 08.56346700 52 49.909-17 54 07.90 22.3 GVEF004F51
K19B01C C2018 08 08.57463900 52 50.705-17 54 19.05 22.7 GVEF004F51
K19B01C C2018 08 08.58577000 52 51.509-17 54 30.23 23.0 GVEF004F51
K19B01C C2019 02 08.49781 14 00 27.53 +24 15 34.0 19.4 GVEF004G96
K19B01C C2019 02 08.50296 14 00 27.36 +24 15 45.8 19.8 GVEF004G96
K19B01C C2019 02 08.50810 14 00 27.22 +24 15 57.4 19.7 GVEF004G96
K19B01C C2019 02 08.51323 14 00 27.06 +24 16 08.6 19.6 GVEF004G96
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.
G96 Mt. Lemmon Survey. Observer A. R. Gibbs. Measurers B. M. Africano,
E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer,
H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, T. A. Pruyne,
R. L. Seaman, F. C. Shelly. 1.5-m reflector + 10K CCD.
Orbital elements:
2019 BC1 PHA, Earth MOID = 0.0093 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 32.80892 (2000.0) P Q
n 0.24534440 Peri. 328.74251 +0.03096962 -0.96271153
a 2.5270778 Node 118.23327 +0.96843152 -0.03763779
e 0.6370048 Incl. 17.76074 +0.24734847 +0.26789906
P 4.02 H 20.2 G 0.15 U 0
Residuals in seconds of arc
100916 F51 0.1- 0.2+ 190119 G96 0.5- 0.3- 190203 711 1.2- 0.3+
100916 F51 0.2+ 0.1- 190119 G96 0.0 0.1+ 190208 G96 0.1+ 0.0
100916 F51 0.0 0.0 190119 G96 0.1- 0.3+ 190208 G96 0.1- 0.1+
100916 F51 0.1+ 0.2- 190119 G96 0.3+ 0.4- 190208 G96 0.1+ 0.0
100916 F51 0.2+ 0.1- 190119 G96 0.1- 0.0 190208 G96 0.0 0.4-
100916 F51 0.1- 0.1+ 190124 I52 0.3- 0.2- 190211 I52 0.2+ 0.4-
100916 F51 0.3+ 0.1- 190124 I52 0.3+ 0.5- 190211 I52 0.2- 0.3-
100916 F51 0.1+ 0.0 190124 I52 0.1- 0.0 190211 I52 0.0 0.1-
100916 F51 0.0 0.0 190124 I52 0.0 0.0 190211 I52 0.3- 0.1+
100916 F51 0.0 0.1- 190125 L01 0.4- 0.3+ 190212 I52 0.0 0.0
100916 F51 0.0 0.2+ 190125 L01 0.5- 0.1- 190212 I52 0.1+ 0.0
100916 F51 0.1+ 0.1- 190125 L01 0.2- 0.0 190212 I52 0.0 0.0
100916 F51 0.1+ 0.0 190125 L01 0.1+ 0.5- 190226 I52 0.0 0.0
100917 F51 0.2- 0.2+ 190125 I52 0.1+ 0.2- 190226 I52 0.2- 0.0
100917 F51 0.2+ 0.0 190125 I52 0.3- 0.1- 190226 I52 0.2- 0.3-
100917 F51 0.0 0.1+ 190125 I52 0.3- 0.2- 190226 I52 0.2- 0.2+
100918 F51 0.4- 0.4+ 190125 I52 0.1+ 0.2- 190301 711 0.8+ 0.2+
100918 F51 0.6- 0.3+ 190125 H01 0.1+ 0.1- 190301 711 0.6+ 0.1+
110325 F51 0.1- 0.1+ 190125 H01 0.0 0.0 190301 711 0.7+ 0.1+
140916 F51 0.2- 0.1- 190125 H01 0.3- 0.1- 190305 G96 0.4+ 0.0
140916 F51 0.0 0.1+ 190125 H01 0.1+ 0.2- 190305 G96 0.0 0.2-
140916 F51 0.0 0.0 190128 703 0.4- 0.4- 190305 G96 0.0 0.0
141007 F51 0.2+ 0.2- 190128 703 0.7- 0.6+ 190305 G96 0.1- 0.0
141007 F51 0.1- 0.2- 190128 703 1.3+ 0.5+ 190306 I52 0.0 0.4-
141007 F51 0.1+ 0.0 190128 703 1.0+ 0.2+ 190306 I52 0.1+ 0.2-
180808 F51 0.1- 0.1+ 190131 691 0.1+ 0.2+ 190306 I52 0.3+ 0.2+
180808 F51 0.1- 0.1+ 190131 691 0.2+ 0.3+ 190315 695 0.3+ 0.3+
180808 F51 0.1+ 0.1- 190131 691 0.0 0.4+ 190315 695 0.2+ 0.4+
190119 G96 0.1+ 0.5+ 190203 711 0.6- 0.0 190315 695 0.4+ 0.4+
190119 G96 0.1+ 0.4+ 190203 711 0.6- 0.1+
Ephemeris:
2019 BC1 a,e,i = 2.53, 0.64, 18 q = 0.9173
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 02 14 13 57 23.8 +27 29 31 0.4083 1.2452 120.5 43.1 20.4
...
2019 03 01 13 39 03.1 +33 59 12 0.4971 1.3755 132.3 32.2 20.7
...
2019 03 09 13 25 00.9 +36 00 33 0.5531 1.4466 136.9 28.0 21.0
...
2019 03 15 13 13 47.0 +36 51 30 0.6004 1.5003 139.1 25.7 21.1
2019 03 16 13 11 54.8 +36 56 46 0.6087 1.5092 139.3 25.4 21.2
2019 03 17 13 10 03.2 +37 01 10 0.6172 1.5181 139.5 25.2 21.2
...
2019 03 23 12 59 14.9 +37 10 07 0.6709 1.5717 140.2 23.9 21.4
...
2019 03 31 12 46 25.2 +36 41 07 0.7506 1.6429 139.4 23.3 21.8
...
2019 04 15 12 29 29.8 +34 15 30 0.9251 1.7745 133.9 24.0 22.4
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-F04
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