MPEC 2019-B154: 2019 BQ4
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M.P.E.C. 2019-B154 Issued 2019 Jan. 31, 04:11 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 BQ4
Observations:
K19B04Q* C2019 01 28.40602 12 37 49.47 +28 36 27.3 17.8 GVEB154703
K19B04Q C2019 01 28.41129 12 37 57.72 +28 38 15.5 VEB154703
K19B04Q C2019 01 28.41657 12 38 06.01 +28 40 04.1 17.7 GVEB154703
K19B04Q C2019 01 28.42185 12 38 14.30 +28 41 52.3 VEB154703
K19B04Q C2019 01 28.48194 12 39 49.77 +29 02 30.9 17.8 GVEB154I52
K19B04Q C2019 01 28.48212 12 39 50.08 +29 02 34.5 17.6 GVEB154I52
K19B04Q C2019 01 28.48235 12 39 50.44 +29 02 39.5 17.7 GVEB154I52
K19B04Q C2019 01 28.48254 12 39 50.74 +29 02 43.2 17.8 GVEB154I52
K19B04Q C2019 01 28.52697 12 41 02.33 +29 18 02.4 17.7 GVEB154I52
K19B04Q C2019 01 28.52755912 41 04.16 +29 18 08.9 17.84RUEB154I41
K19B04Q C2019 01 28.52790612 41 04.67 +29 18 16.5 17.84RUEB154I41
K19B04Q C2019 01 28.52849412 41 05.47 +29 18 31.6 17.80RUEB154I41
K19B04Q C2019 01 28.52884112 41 06.00 +29 18 38.6 17.80RUEB154I41
K19B04Q C2019 01 28.53031 12 41 07.74 +29 19 11.3 17.8 GVEB154I52
K19B04Q C2019 01 28.53346 12 41 12.86 +29 20 16.6 17.7 GVEB154I52
K19B04Q C2019 01 28.53364 12 41 13.16 +29 20 20.3 17.8 GVEB154I52
K19B04Q KC2019 01 28.93421 12 52 59.06 +31 41 20.1 18.1 GVEB154587
K19B04Q KC2019 01 28.93546 12 53 01.38 +31 41 47.8 VEB154587
K19B04Q KC2019 01 28.93671 12 53 03.63 +31 42 14.4 17.9 GVEB154587
K19B04Q KC2019 01 28.93703 12 53 04.23 +31 42 22.0 17.8 GVEB154587
K19B04Q KC2019 01 28.98653 12 54 36.47 +32 00 23.4 18.5 VtEB154K33
K19B04Q KC2019 01 28.99534 12 54 52.77 +32 03 34.9 18.1 GVEB154203
K19B04Q KC2019 01 29.00163 12 55 04.55 +32 05 52.5 17.8 GVEB154203
K19B04Q KC2019 01 29.00697 12 55 14.42 +32 07 39.2 17.9 GVEB154Z99
K19B04Q KC2019 01 29.00951 12 55 19.34 +32 08 44.4 17.9 GVEB154203
K19B04Q KC2019 01 29.01033 12 55 20.77 +32 08 51.8 18.1 GVEB154Z99
K19B04Q KC2019 01 29.01369 12 55 27.07 +32 10 05.3 18.1 GVEB154Z99
K19B04Q KC2019 01 29.01385 12 55 27.66 +32 10 20.6 17.9 VtEB154K33
K19B04Q KC2019 01 29.02106 12 55 41.07 +32 12 57.2 18.3 GVEB154K38
K19B04Q KC2019 01 29.02625 12 55 50.93 +32 14 52.3 18.3 VtEB154K33
K19B04Q KC2019 01 29.02789 12 55 53.94 +32 15 26.3 17.8 GVEB154K38
K19B04Q KC2019 01 29.03471 12 56 06.82 +32 17 56.1 17.8 GVEB154K38
K19B04Q KC2019 01 29.04899 12 56 33.84 +32 23 08.7 18.0 GVEB154K38
K19B04Q KC2019 01 29.05583 12 56 46.81 +32 25 38.4 18.0 GVEB154K38
K19B04Q KC2019 01 29.13643 12 59 21.42 +32 55 07.7 VEB154204
K19B04Q KC2019 01 29.13886 12 59 26.13 +32 56 01.1 VEB154204
K19B04Q KC2019 01 29.14127 12 59 30.83 +32 56 54.2 VEB154204
K19B04Q KC2019 01 29.14369 12 59 35.51 +32 57 47.3 17.9 GVEB154204
K19B04Q KC2019 01 29.14610 12 59 40.20 +32 58 40.3 VEB154204
K19B04Q KC2019 01 29.14740612 59 42.37 +32 59 10.2 18.0 GVEB154L01
K19B04Q KC2019 01 29.14899112 59 45.46 +32 59 44.5 17.9 GVEB154L01
K19B04Q KC2019 01 29.15008212 59 47.57 +33 00 08.5 17.9 GVEB154L01
K19B04Q KC2019 01 29.15136812 59 50.06 +33 00 36.9 18.0 GVEB154L01
K19B04Q C2019 01 29.37171213 07 21.79 +34 21 53.8 18.7 GVEB154H01
K19B04Q C2019 01 29.37995213 07 38.94 +34 24 58.2 17.6 GVEB154H01
K19B04Q C2019 01 29.38171 13 07 42.87 +34 25 37.8 17.7 GVEB154I52
K19B04Q C2019 01 29.38190 13 07 43.27 +34 25 42.0 17.7 GVEB154I52
K19B04Q C2019 01 29.38208 13 07 43.66 +34 25 46.1 18.0 GVEB154I52
K19B04Q C2019 01 29.38227 13 07 44.05 +34 25 50.3 17.7 GVEB154I52
K19B04Q C2019 01 29.38637113 07 52.32 +34 27 21.9 17.6 GVEB154H01
K19B04Q C2019 01 29.39309613 08 06.35 +34 29 52.4 17.7 GVEB154H01
K19B04Q KC2019 01 29.39454 13 08 08.43 +34 30 22.3 18.0 GUEB154H36
K19B04Q KC2019 01 29.39598 13 08 11.43 +34 30 54.2 18.0 GUEB154H36
K19B04Q KC2019 01 29.39742 13 08 14.43 +34 31 26.6 17.9 GUEB154H36
K19B04Q KC2019 01 29.39923 13 08 18.20 +34 32 06.8 17.8 GUEB154H36
K19B04Q C2019 01 29.72022 13 20 11.56 +36 31 44.0 18.0 RrEB154P93
K19B04Q C2019 01 29.72189 13 20 15.40 +36 32 21.3 17.9 RrEB154P93
K19B04Q C2019 01 29.72273 13 20 17.31 +36 32 40.2 17.9 RrEB154P93
K19B04Q C2019 01 29.72441 13 20 21.18 +36 33 18.4 18.0 RrEB154P93
K19B04Q KC2019 01 29.90164 13 27 24.58 +37 38 44.2 18.0 RqEB154K61
K19B04Q KC2019 01 29.90276 13 27 27.34 +37 39 09.4 18.4 RqEB154K61
K19B04Q KC2019 01 29.90302 13 27 27.96 +37 39 15.5 18.3 RqEB154K61
K19B04Q KC2019 01 30.17872113 39 05.23 +39 21 59.7 18.1 GVEB154J95
K19B04Q KC2019 01 30.17975213 39 07.95 +39 22 22.7 18.0 GVEB154J95
K19B04Q KC2019 01 30.18111213 39 11.47 +39 22 52.6 18.0 GVEB154J95
K19B04Q KC2019 01 31.01590 14 20 18.20 +44 14 36.9 18.5 GVEB154Z99
K19B04Q KC2019 01 31.01895 14 20 28.15 +44 15 37.2 18.4 GVEB154Z99
K19B04Q KC2019 01 31.02201 14 20 38.10 +44 16 36.6 18.6 GVEB154Z99
K19B04Q KC2019 01 31.07663314 23 37.33 +44 34 20.2 18.3 GVEB154J95
K19B04Q KC2019 01 31.07839814 23 43.13 +44 34 54.5 18.2 GVEB154J95
K19B04Q KC2019 01 31.08010614 23 48.77 +44 35 27.2 18.1 GVEB154J95
K19B04Q KC2019 01 31.08184814 23 54.50 +44 36 01.0 18.1 GVEB154J95
Observer details:
203 GiaGa Observatory. Observers S. Foglia, G. Galli. Measurer G. Galli.
0.36-m f/7.50 Schmidt-Cassegrain + CCD.
204 Schiaparelli Observatory. Observer L. Buzzi. 0.84-m f/3.5 reflector +
CCD.
587 Sormano. Observers F. Manca, P. Sicoli, A. Testa. Measurer P. Sicoli.
0.5-m f/6.8 reflector + CCD.
703 Catalina Sky Survey. Observer H. Groeller. 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. 0.68-m Schmidt + 10K CCD.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 Ritchey-Chretien + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
I41 Palomar Mountain--ZTF. Observers Q.-Z. Ye, Z. T. F. Collaboration.
Measurers D. A. Duev, H.-W. Lin, A. A. Mahabal, F. J. Masci, D. Streaks,
Q.-Z. Ye. 1.2-m f/2.4 Schmidt.
I52 Steward Observatory, Mt. Lemmon Station. Observer H. Groeller.
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. 1.0-m reflector
+ CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.41-m f/6.3
Schmidt-Cassegrain + CCD.
K33 San Defendente. Observer E. Viano. 0.28-m f/1122.0 Schmidt-Cassegrain +
CCD + f/3.3 focal reducer.
K38 M57 Observatory, Saltrio. Observer G. Baj. 0.3-m f/5.5 Ritchey-Chretien
+ CCD.
K61 Rokycany Observatory. Observer M. Adamovsky. 0.51-m f/6.8 reflector +
CCD.
L01 Visnjan Observatory, Tican. Observers K. Korlevic, F. Valentine.
Measurer K. Korlevic. 1.0-m f/2.9 reflector + CCD.
P93 Space Tracking and Communications Center, JAXA. Observers K. Nishiyama,
T. Nimura. 1.0-m f/3.0 reflector + CCD.
Z99 Clixby Observatory, Cleethorpes. Observer A. Mickleburgh. 0.36-m f/8
Schmidt-Cassegrain + CCD.
Orbital elements:
2019 BQ4 Earth MOID = 0.0966 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 10.41118 (2000.0) P Q
n 0.25082023 Peri. 117.07688 -0.14398713 +0.78992190
a 2.4901624 Node 129.62818 -0.92572781 -0.32038125
e 0.8425691 Incl. 50.70605 +0.34970807 -0.52285681
P 3.93 H 20.7 G 0.15 U 8
Residuals in seconds of arc
190128 703 0.2- 0.6+ 190129 203 0.5- 0.1- 190129 I52 0.1- 0.0
190128 703 0.6- 0.5+ 190129 Z99 0.6+ 0.0 190129 H01 0.0 0.3+
190128 703 0.8- 0.6+ 190129 Z99 0.2+ 0.1+ 190129 H01 0.0 0.3+
190128 703 1.1- 0.3+ 190129 K33 0.1+ 0.6+ 190129 H36 0.3+ 0.6+
190128 I52 0.5- 0.4+ 190129 K38 0.2- 0.4+ 190129 H36 0.2+ 0.3+
190128 I52 0.2- 0.3+ 190129 K33 0.9- 0.8+ 190129 H36 0.1+ 0.6+
190128 I52 0.3- 0.6+ 190129 K38 0.2- 0.0 190129 H36 0.0 0.3+
190128 I52 0.4- 0.4+ 190129 K38 0.2- 0.4+ 190129 P93 0.7+ 0.6+
190128 I52 0.6- 0.7+ 190129 K38 0.2- 0.2+ 190129 P93 0.7+ 0.2+
190128 I41 (4.9+ 4.6-) 190129 K38 0.3- 0.0 190129 P93 0.4+ 0.2+
190128 I41 (4.2+ 4.2-) 190129 204 0.3- 0.2+ 190129 P93 0.5+ 0.5+
190128 I41 2.2+ 1.3- 190129 204 0.4- 0.2+ 190129 K61 1.1+ 0.0
190128 I41 1.7+ 1.5- 190129 204 0.1- 0.4+ 190129 K61 1.3+ 0.0
190128 I52 0.7- 0.4+ 190129 204 0.3- 0.3+ 190129 K61 1.1+ 0.2+
190128 I52 0.7- 0.4+ 190129 204 0.2- 0.3+ 190130 J95 0.6- 0.0
190128 I52 0.6- 0.4+ 190129 L01 0.6- 0.7+ 190130 J95 0.3- 0.2+
190128 587 0.1- 1.0- 190129 L01 0.5- 0.2+ 190130 J95 0.8- 0.0
190128 587 0.0 0.5- 190129 L01 0.7- 0.2+ 190131 Z99 0.7+ 0.4-
190128 587 0.8- 1.1- 190129 L01 0.8- 0.4+ 190131 Z99 0.8+ 0.1+
190128 587 0.7- 0.5- 190129 H01 0.1- 0.1+ 190131 Z99 0.5+ 0.5-
190128 K33 0.4+ 0.8+ 190129 H01 0.0 0.2+ 190131 J95 0.1+ 0.2-
190128 203 0.4- 0.2+ 190129 I52 0.2- 0.0 190131 J95 0.0 0.0
190129 203 0.5- 0.3+ 190129 I52 0.2- 0.0 190131 J95 0.1+ 0.2-
190129 Z99 0.3+ 0.9+ 190129 I52 0.0 0.1+ 190131 J95 0.0 0.0
Ephemeris:
2019 BQ4 a,e,i = 2.49, 0.84, 51 q = 0.3920
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 01 01 10 15 57.0 -06 43 21 0.7025 1.4680 120.2 35.4 22.2
...
2019 01 16 10 44 54.8 -01 16 02 0.3648 1.2556 131.6 35.9 20.5
...
2019 01 24 11 27 30.4 +10 40 39 0.2016 1.1352 134.7 38.0 19.0
...
2019 01 30 13 31 22.1 +38 15 50 0.1173 1.0414 115.8 58.4 18.2
2019 01 31 14 19 19.5 +44 09 51 0.1127 1.0254 107.9 66.1 18.3
2019 02 01 15 19 02.4 +48 43 04 0.1124 1.0094 99.2 74.4 18.6
...
2019 02 07 19 52 19.8 +41 34 34 0.1795 0.9117 60.6 109.5 20.9
...
2019 02 15 21 06 49.9 +28 44 38 0.3350 0.7774 43.1 119.8 22.6
...
2019 03 02 21 42 45.9 +17 19 10 0.6700 0.5275 29.8 111.1 22.7
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-B154
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