MPEC 2019-P18 : 2019 OF4
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M.P.E.C. 2019-P18 Issued 2019 August 1, 12:57 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 OF4
Observations:
K19O04F C2019 06 29.33109715 43 22.759-08 56 15.60 22.8 GVEP018F51
K19O04F C2019 06 29.34405115 43 23.067-08 56 14.61 22.8 GVEP018F51
K19O04F C2019 06 29.35703115 43 23.382-08 56 13.92 22.8 GVEP018F51
K19O04F C2019 07 25.37692820 02 53.200-12 16 36.68 VEP018F51
K19O04F C2019 07 25.41269520 04 06.986-12 15 35.76 18.68GVEP018F51
K19O04F* C2019 07 30.54936 22 57 22.288-06 50 09.21 20.0 wUEP018F52
K19O04F C2019 07 30.56171 22 57 39.371-06 49 17.11 20.1 wUEP018F52
K19O04F C2019 07 30.57405 22 57 56.436-06 48 24.80 19.9 wUEP018F52
K19O04F KC2019 07 30.99836323 08 35.116-06 19 49.00 20.0 GVEP018J04
K19O04F KC2019 07 30.99950623 08 36.639-06 19 44.80 19.5 GVEP018J04
K19O04F KC2019 07 31.00064423 08 38.186-06 19 40.32 18.9 GVEP018J04
K19O04F KC2019 07 31.33431823 16 01.45 -05 58 45.0 20.3 VuEP018H21
K19O04F KC2019 07 31.33551 23 16 08.01 -05 58 02.2 oEP018711
K19O04F KC2019 07 31.33694423 16 04.67 -05 58 35.1 20.4 VuEP018H21
K19O04F KC2019 07 31.33956923 16 07.91 -05 58 25.0 20.2 VuEP018H21
K19O04F KC2019 07 31.34017 23 16 13.64 -05 57 44.2 oEP018711
K19O04F KC2019 07 31.34254 23 16 16.55 -05 57 35.1 oEP018711
K19O04F KC2019 07 31.34403023 16 13.39 -05 58 07.6 20.2 VuEP018H21
K19O04F KC2019 07 31.34552 23 16 20.21 -05 57 24.2 oEP018711
K19O04F KC2019 07 31.34648023 16 16.39 -05 57 58.4 20.1 VuEP018H21
K19O04F KC2019 07 31.98638223 29 48.98 -05 18 35.6 20.4 GVEP018L01
K19O04F KC2019 07 31.98849323 29 51.39 -05 18 28.0 20.5 GVEP018L01
K19O04F KC2019 07 31.99071423 29 53.87 -05 18 20.6 20.3 GVEP018L01
K19O04F KC2019 07 31.99303123 29 56.41 -05 18 11.7 20.5 GVEP018L01
K19O04F KC2019 08 01.00481 23 30 14.04 -05 16 58.2 20.4 GVEP018Z84
K19O04F KC2019 08 01.01482 23 30 25.20 -05 16 23.3 19.9 GVEP018Z84
K19O04F KC2019 08 01.02435 23 30 35.76 -05 15 50.3 20.2 GVEP018Z84
K19O04F KC2019 08 01.10121123 31 58.53 -05 12 10.3 20.4 GVEP018J95
K19O04F KC2019 08 01.10749123 32 05.37 -05 11 48.8 20.2 GVEP018J95
Observer details:
711 McDonald Observatory, Fort Davis. Observer J. G. Ries.
2.1-m reflector + CCD + focal reducer.
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.
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.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.
0.81-m f/4.0 astrograph + CCD.
J04 ESA Optical Ground Station, Tenerife. Observer D. Abreu.
Measurers M. Micheli, D. Koschny, M. Busch, E. Schwab, A. Knofel.
1.0-m f/4.4 reflector + CCD.
J95 Great Shefford. Observer P. Birtwhistle.
0.41-m f/6.3 Schmidt-Cassegrain + CCD.
L01 Visnjan Observatory, Tican. Observer K. Korlevic.
1.0-m f/2.9 reflector + CCD.
Z84 Calar Alto-Schmidt. Observer E. Schwab. Measurers E. Schwab, D. Koschny,
M. Micheli. 0.8-m f/3 Schmidt + CCD.
Orbital elements:
2019 OF4 Earth MOID = 0.0212 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 325.78156 (2000.0) P Q
n 0.36553053 Peri. 178.89354 +0.59667233 +0.80213331
a 1.9372557 Node 127.73791 -0.73649610 +0.55912270
e 0.4647853 Incl. 1.72131 -0.31867793 +0.20967583
P 2.70 H 26.4 G 0.15 U 4
Residuals in seconds of arc
190629 F51 0.1- 0.2- 190731 J04 0.1- 0.3+ 190731 L01 0.1- 0.3-
190629 F51 0.0 0.1+ 190731 H21 0.0 0.1- 190731 L01 0.6+ 0.1-
190629 F51 0.2+ 0.0 190731 711 0.3- 0.1- 190731 L01 0.5+ 0.5-
190725 F51 0.1+ 0.0 190731 H21 0.2- 0.3- 190731 L01 0.2- 0.3+
190725 F51 0.4+ 0.1+ 190731 H21 0.0 0.3- 190801 Z84 0.0 0.0
190730 F52 0.1- 0.1+ 190731 711 1.5- 0.2+ 190801 Z84 0.1+ 0.2+
190730 F52 0.1- 0.1+ 190731 711 1.4- 0.3+ 190801 Z84 0.1+ 0.1+
190730 F52 0.1+ 0.2+ 190731 H21 0.1- 0.1- 190801 J95 0.2+ 0.0
190730 J04 0.3- 0.4+ 190731 711 1.2- 0.2- 190801 J95 0.1- 0.5-
190730 J04 0.4- 0.2+ 190731 H21 0.2- 0.3-
Ephemeris:
2019 OF4 a,e,i = 1.94, 0.46, 2 q = 1.0368
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 07 02 15 46 31.5 -08 55 21 0.09094 1.0838 135.8 40.9 23.0
...
2019 07 17 16 53 14.3 -10 47 05 0.04060 1.0469 138.0 40.5 21.1
...
2019 07 25 19 48 59.2 -12 22 57 0.02262 1.0381 170.3 9.5 18.9
...
2019 07 31 23 08 20.5 -06 16 58 0.02738 1.0368 141.6 37.5 20.2
2019 08 01 23 29 56.3 -05 14 05 0.02965 1.0371 137.2 41.7 20.5
2019 08 02 23 48 10.3 -04 18 54 0.03215 1.0374 133.5 45.2 20.7
...
2019 08 08 00 52 19.7 -00 56 32 0.04989 1.0422 123.1 54.6 22.0
...
2019 08 16 01 24 58.7 +00 43 59 0.07611 1.0555 122.4 54.1 22.9
...
2019 08 31 01 39 41.5 +01 16 39 0.1267 1.0998 132.9 42.3 23.8
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-P18
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