MPEC 2019-Q120 : 2019 QW4
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M.P.E.C. 2019-Q120 Issued 2019 August 29, 20:35 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
2019 QW4
Observations:
K19Q04W* C2019 08 28.40950 21 11 37.636-10 34 18.26 19.3 wUEQ120F51
K19Q04W C2019 08 28.42245 21 11 43.942-10 31 56.91 19.2 wUEQ120F51
K19Q04W C2019 08 28.43539 21 11 50.266-10 29 35.37 19.2 wUEQ120F51
K19Q04W C2019 08 28.44837 21 11 56.628-10 27 13.24 19.2 wUEQ120F51
K19Q04W KC2019 08 28.88407 21 16 00.92 -09 09 22.3 20.3 GVEQ120A44
K19Q04W KC2019 08 28.89124 21 16 04.54 -09 08 05.4 18.7 GVEQ120A44
K19Q04W KC2019 08 28.89432 21 16 06.06 -09 07 32.1 19.0 GVEQ120A44
K19Q04W KC2019 08 28.89806 21 16 07.94 -09 06 51.4 19.0 GVEQ120A44
K19Q04W KC2019 08 28.93691 21 16 29.09 -08 59 44.9 18.9 VqEQ120I93
K19Q04W KC2019 08 28.94119 21 16 31.24 -08 58 58.7 19.3 VqEQ120I93
K19Q04W KC2019 08 28.94522 21 16 33.23 -08 58 15.0 19.3 VqEQ120I93
K19Q04W KC2019 08 28.99920721 17 00.32 -08 48 42.0 19.1 GVEQ120J95
K19Q04W KC2019 08 29.00238921 17 01.93 -08 48 07.6 18.9 GVEQ120J95
K19Q04W KC2019 08 29.00597621 17 03.70 -08 47 28.5 19.0 GVEQ120J95
K19Q04W KC2019 08 29.00912421 17 05.31 -08 46 54.7 19.3 GVEQ120J95
K19Q04W KC2019 08 29.22604021 19 03.31 -08 07 35.8 19.6 VuEQ120H21
K19Q04W KC2019 08 29.22817721 19 04.34 -08 07 12.6 19.6 VuEQ120H21
K19Q04W KC2019 08 29.22867 21 19 05.71 -08 07 06.6 18.8 RqEQ120H36
K19Q04W KC2019 08 29.23031421 19 05.38 -08 06 49.6 19.5 VuEQ120H21
K19Q04W KC2019 08 29.23104 21 19 06.88 -08 06 40.4 19.1 RqEQ120H36
K19Q04W KC2019 08 29.23245021 19 06.41 -08 06 26.5 19.5 VuEQ120H21
K19Q04W KC2019 08 29.23362 21 19 08.16 -08 06 12.8 18.7 RqEQ120H36
K19Q04W KC2019 08 29.23429721 19 07.31 -08 06 06.7 19.6 VuEQ120H21
K19Q04W KC2019 08 29.23816 21 19 10.35 -08 05 24.2 18.8 RqEQ120H36
K19Q04W KC2019 08 29.24011 21 19 11.25 -08 05 03.2 18.9 RqEQ120H36
K19Q04W KC2019 08 29.26599 21 19 23.90 -08 00 24.2 18.9 RqEQ120734
K19Q04W KC2019 08 29.26745 21 19 24.62 -08 00 08.0 18.9 RqEQ120734
K19Q04W KC2019 08 29.26892 21 19 25.32 -07 59 52.2 19.0 RqEQ120734
K19Q04W KC2019 08 29.27185 21 19 26.76 -07 59 20.1 18.7 RqEQ120734
K19Q04W KC2019 08 29.27331 21 19 27.43 -07 59 05.3 19.0 RqEQ120734
K19Q04W C2019 08 29.43740621 20 55.03 -07 28 58.5 19.70oVEQ120T08
K19Q04W C2019 08 29.44025521 20 56.39 -07 28 28.5 19.06oVEQ120T08
K19Q04W C2019 08 29.44637421 20 59.30 -07 27 22.3 18.76oVEQ120T08
K19Q04W C2019 08 29.45646721 21 04.09 -07 25 34.2 19.81oVEQ120T08
K19Q04W KC2019 08 29.77922 21 24 07.59 -06 26 06.1 18.7 GVEQ120L29
K19Q04W KC2019 08 29.78339 21 24 09.59 -06 25 21.8 19.3 GVEQ120L29
K19Q04W KC2019 08 29.78756 21 24 11.57 -06 24 38.1 19.0 GVEQ120L29
Observer details:
734 Farpoint Observatory, Eskridge. Observers G. Hug, D. Cromer, D. Goodin.
Measurer D. Cromer. 0.69-m reflector + CCD.
A44 Altschwendt. Observer W. Ries. 0.45-m f/4.5 reflector + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, T. Lowe, A. Schultz, M.
Willman. Measurers K. Chambers, S. Chastel, T. de Boer, L. Denneau, J.
Fairlamb, H. Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R.
Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes. 0.61-m f/4.5
astrograph + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
I93 St Pardon de Conques. Observer F. Losse. 0.40-m f/3.7 reflector + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.41-m f/6.3 Schmidt-Cassegrain
+ CCD.
L29 Drebach-South Observatory, Windhoek. Observer G. Lehmann. 0.4-m f/3.6
reflector + CCD.
T08 ATLAS-MLO, Mauna Loa. Observers L. Denneau, J. Tonry, A. Heinze, H.
Weiland, H. Flewelling. Measurers L. Denneau, J. Tonry, A. Heinze, H.
Weiland, H. Flewelling, B. Stalder, A. Fitzsimmons, D. Young, N. Erasmus.
0.5-m reflector + CCD.
Orbital elements:
2019 QW4 Earth MOID = 0.0477 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 Veres
M 310.68519 (2000.0) P Q
n 0.41613443 Peri. 357.30431 +0.85243182 +0.52040531
a 1.7768344 Node 331.15925 -0.47771974 +0.73608668
e 0.4037978 Incl. 5.99517 -0.21247081 +0.43284491
P 2.37 H 24.6 G 0.15 U 7
Residuals in seconds of arc
190828 F51 0.0 0.1+ 190829 J95 0.1- 0.1+ 190829 734 0.3+ 0.5+
190828 F51 0.1- 0.0 190829 J95 0.3+ 0.2- 190829 734 0.1+ 0.4+
190828 F51 0.0 0.0 190829 H21 0.0 0.1- 190829 734 0.3+ 0.9+
190828 F51 0.0 0.1+ 190829 H21 0.1- 0.0 190829 734 0.3- 0.1-
190828 A44 0.7- 0.3+ 190829 H36 0.4- 0.3- 190829 T08 0.4- 0.6+
190828 A44 0.0 0.3- 190829 H21 0.1- 0.0 190829 T08 0.2- 0.1-
190828 A44 0.2- 0.2- 190829 H36 0.0 0.4+ 190829 T08 0.1- 0.3+
190828 A44 0.0 0.0 190829 H21 0.2- 0.0 190829 T08 0.2- 0.3-
190828 I93 0.4- 0.0 190829 H36 0.4+ 0.2+ 190829 L29 0.5+ 0.2-
190828 I93 0.1+ 0.0 190829 H21 0.2- 0.1- 190829 L29 0.2+ 0.0
190828 I93 0.1+ 0.1+ 190829 H36 0.2+ 0.1- 190829 L29 0.3- 0.3-
190828 J95 0.0 0.1- 190829 H36 0.4- 0.2-
190829 J95 0.3+ 0.2- 190829 734 0.2+ 0.0
Ephemeris:
2019 QW4 a,e,i = 1.78, 0.40, 6 q = 1.0594
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 07 30 17 24 44.9 -52 23 38 0.1114 1.0905 130.1 45.4 21.8
...
2019 08 14 18 52 30.9 -43 36 23 0.07013 1.0641 135.3 42.0 20.6
...
2019 08 22 20 08 51.6 -28 56 09 0.05552 1.0594 148.7 29.7 19.7
...
2019 08 28 21 07 51.5 -11 47 23 0.05270 1.0604 161.2 17.9 19.3
2019 08 29 21 17 02.2 -08 46 19 0.05310 1.0609 162.5 16.6 19.2
2019 08 30 21 25 56.4 -05 48 07 0.05376 1.0615 163.4 15.8 19.2
...
2019 09 05 22 12 47.3 +09 36 12 0.06245 1.0675 160.5 18.4 19.7
...
2019 09 13 22 57 46.7 +21 59 34 0.08305 1.0812 153.2 24.8 20.5
...
2019 09 28 23 44 44.3 +30 00 50 0.1357 1.1227 150.8 25.9 21.7
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-Q120
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