MPEC 2019-P21 : 2019 OQ4
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M.P.E.C. 2019-P21 Issued 2019 August 1, 19:26 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 OQ4
Observations:
K19O04Q* C2019 07 28.57926 01 01 18.380-05 28 15.27 21.6 wUEP021F52
K19O04Q C2019 07 28.58904 01 01 20.380-05 27 58.13 21.5 wUEP021F52
K19O04Q C2019 07 28.59878 01 01 22.366-05 27 40.98 21.3 wUEP021F52
K19O04Q C2019 07 28.60857 01 01 24.367-05 27 23.64 21.7 wUEP021F52
K19O04Q |C2019 07 29.30359 01 03 51.72 -05 06 38.1 21.2 GUEP021807
K19O04Q |C2019 07 29.30710 01 03 52.44 -05 06 32.1 21.0 GUEP021807
K19O04Q |C2019 07 29.31062 01 03 53.18 -05 06 25.5 21.0 GUEP021807
K19O04Q KC2019 07 29.36484801 04 04.51 -05 05 11.2 21.7 VuEP021H21
K19O04Q KC2019 07 29.37203801 04 06.06 -05 04 58.7 21.0 VuEP021H21
K19O04Q KC2019 07 29.37922501 04 07.55 -05 04 46.6 21.4 VuEP021H21
K19O04Q C2019 07 30.41630801 07 46.69 -04 33 54.4 20.7 GVEP021H01
K19O04Q C2019 07 30.41968901 07 47.39 -04 33 48.4 21.3 GVEP021H01
K19O04Q C2019 07 30.43682401 07 50.89 -04 33 17.7 20.9 GVEP021H01
K19O04Q C2019 07 30.44272501 07 52.09 -04 33 07.4 21.6 GVEP021H01
K19O04Q KC2019 07 30.44968 01 07 53.39 -04 32 53.9 oEP021711
K19O04Q KC2019 07 30.45321 01 07 54.12 -04 32 47.0 oEP021711
K19O04Q KC2019 07 30.45670 01 07 54.81 -04 32 41.0 oEP021711
K19O04Q KC2019 07 31.08235501 10 07.13 -04 13 59.2 21.1 GVEP021L01
K19O04Q KC2019 07 31.08550701 10 07.73 -04 13 53.4 20.8 GVEP021L01
K19O04Q pC2019 07 31.08865601 10 08.33 -04 13 47.1 21.3 GVEP021L01
K19O04Q pC2019 07 31.09259801 10 09.15 -04 13 41.1 20.9 GVEP021L01
K19O04Q KC2019 07 31.38063201 11 09.93 -04 04 58.8 21.2 VuEP021H21
K19O04Q KC2019 07 31.38489201 11 10.80 -04 04 50.7 21.4 VuEP021H21
K19O04Q KC2019 07 31.38976001 11 11.80 -04 04 42.2 21.0 VuEP021H21
K19O04Q KC2019 07 31.39036 01 11 12.29 -04 04 38.4 oEP021711
K19O04Q KC2019 07 31.39377 01 11 12.94 -04 04 32.5 oEP021711
K19O04Q KC2019 07 31.39715 01 11 13.66 -04 04 26.1 oEP021711
K19O04Q KC2019 08 01.35442301 14 35.19 -03 35 29.3 20.9 VuEP021H21
K19O04Q KC2019 08 01.36237501 14 36.80 -03 35 14.5 21.0 VuEP021H21
K19O04Q KC2019 08 01.36860601 14 38.07 -03 35 02.9 21.3 VuEP021H21
Observer details:
711 McDonald Observatory, Fort Davis. Observer J. G. Ries.
2.1-m reflector + CCD + focal reducer.
807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes.
1.00-m f/10.0 astrograph + CCD.
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, T. Dukes, 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.
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.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.
1.3-m f/4.0 astrograph + CCD, 0.81-m f/4.0 astrograph + CCD.
L01 Visnjan Observatory, Tican. Observer K. Korlevic.
1.0-m f/2.9 reflector + CCD.
Orbital elements:
2019 OQ4 Earth MOID = 0.1978 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 326.83502 (2000.0) P Q
n 0.26434282 Peri. 347.29329 +0.99198558 +0.12597372
a 2.4044978 Node 5.49780 -0.10517570 +0.86607122
e 0.5000787 Incl. 5.84620 -0.07001918 +0.48378845
P 3.73 H 20.8 G 0.15 U 8
Residuals in seconds of arc
190728 F52 0.1- 0.1- 190730 H01 0.4+ 0.0 190731 L01 0.8- 0.5-
190728 F52 0.0 0.2- 190730 H01 0.5+ 0.0 190731 H21 0.0 0.1-
190728 F52 0.0 0.2- 190730 H01 0.4+ 0.0 190731 H21 0.0 0.3+
190728 F52 0.1+ 0.1- 190730 H01 0.3+ 0.3- 190731 H21 0.1+ 0.0
190729 807 0.2- 0.0 190730 711 0.7- 0.1- 190731 711 0.6+ 0.2+
190729 807 0.2- 0.2- 190730 711 0.5- 0.4+ 190731 711 0.1- 0.1-
190729 807 0.0 0.1+ 190730 711 0.9- 0.2+ 190731 711 0.4+ 0.2+
190729 H21 0.5- 0.5+ 190731 L01 0.5+ 0.1- 190801 H21 0.3+ 0.5-
190729 H21 0.6+ 0.3+ 190731 L01 0.2- 0.0 190801 H21 0.0 0.2-
190729 H21 0.8+ 0.3- 190731 L01 0.9- 0.6+ 190801 H21 0.0 0.1+
Ephemeris:
2019 OQ4 a,e,i = 2.40, 0.50, 6 q = 1.2021
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 07 02 23 29 26.9 -16 14 55 0.5992 1.3640 112.6 43.5 22.0
...
2019 07 17 00 20 34.8 -10 44 20 0.5012 1.2969 113.0 46.2 21.6
...
2019 07 25 00 48 40.5 -07 11 03 0.4608 1.2671 112.7 47.7 21.4
...
2019 07 31 01 09 49.1 -04 16 14 0.4357 1.2481 112.4 48.8 21.3
2019 08 01 01 13 19.9 -03 46 02 0.4319 1.2452 112.4 48.9 21.3
2019 08 02 01 16 50.2 -03 15 35 0.4282 1.2424 112.3 49.1 21.3
...
2019 08 08 01 37 41.2 -00 08 02 0.4088 1.2274 112.0 50.0 21.2
...
2019 08 16 02 04 42.3 +04 10 14 0.3890 1.2127 111.9 50.8 21.1
...
2019 08 31 02 50 51.6 +12 09 31 0.3674 1.2020 113.1 50.6 20.9
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-P21
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