MPEC 2019-O69 : 2012 PH6
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M.P.E.C. 2019-O69 Issued 2019 July 25, 21:25 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
2012 PH6
Revision to MPEC 2012-P28
Additional Observations:
K12P06H C2019 07 24.58329222 32 55.792+08 41 29.80 20.1 GVEO069F51
K12P06H C2019 07 24.60471122 33 00.510+08 40 16.55 20.1 GVEO069F51
K12P06H C2019 07 25.47459 22 36 27.620+07 49 25.59 20.0 iUEO069F52
K12P06H C2019 07 25.48625 22 36 30.245+07 48 43.67 19.9 iUEO069F52
K12P06H C2019 07 25.49790 22 36 32.879+07 48 01.68 20.2 iUEO069F52
K12P06H C2019 07 25.50960 22 36 35.511+07 47 19.70 20.0 iUEO069F52
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.
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.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
190724 F51 2.12+ 0.28+ 190725 F52 2.16+ 0.27+ MPO242008 0.54 days
Orbital elements:
2012 PH6 Earth MOID = 0.1596 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 304.54259 (2000.0) P Q
n 0.42418670 Peri. 209.24808 +0.94508243 +0.19110161
a 1.7542764 Node 136.98922 -0.16850232 +0.98001418
e 0.3489851 Incl. 22.87309 -0.28004672 +0.05524831
P 2.32 H 21.1 G 0.15 U 2
Residuals in seconds of arc
120810 F51 0.1+ 0.5- 120812 194 0.3- 0.1- 120820 807 0.1- 0.3-
120810 F51 0.1+ 0.4- 120813 807 0.0 0.2- 120820 807 0.2+ 0.2-
120811 H21 0.1+ 0.0 120813 807 0.2+ 0.0 120820 807 0.1+ 0.2-
120811 H21 0.2+ 0.2+ 120813 807 0.5+ 0.3+ 120820 807 0.0 0.2-
120811 H21 0.3+ 0.0 120813 807 0.1+ 0.3+ 120820 807 0.1+ 0.2-
120811 H21 0.2+ 0.1+ 120813 807 0.3+ 0.1- 120822 474 0.1+ 0.6+
120811 194 0.5+ 0.0 120813 H36 0.1- 0.1- 120822 474 0.2+ 0.4+
120811 194 0.3+ 0.1+ 120813 H36 0.2- 0.2- 120822 474 0.2+ 0.1+
120811 194 0.3- 0.0 120813 H36 0.0 0.1+ 120822 474 0.0 0.1-
120811 194 0.2+ 0.1+ 120814 807 0.2+ 0.2- 120823 474 0.1- 0.2+
120811 104 0.1- 0.1+ 120814 807 0.4+ 0.0 120823 474 0.1+ 0.1+
120811 104 0.7- 0.4+ 120814 807 0.2+ 0.1+ 120823 474 0.1- 0.1+
120811 807 0.1- 0.1- 120814 807 0.1- 0.1- 120829 807 0.1- 0.2-
120811 807 0.0 0.1- 120814 807 0.0 0.2- 120829 807 0.0 0.0
120811 807 0.2+ 0.0 120815 H21 0.3- 0.1+ 120829 807 0.1- 0.0
120812 H21 0.3- 0.2- 120815 H21 0.4- 0.5+ 120829 807 0.0 0.1-
120812 H21 0.5+ 0.2+ 120815 H21 0.1- 0.5+ 120829 807 0.0 0.2-
120812 H21 0.2+ 0.4+ 120815 H21 0.2- 0.2+ 120913 807 0.2- 0.0
120812 H21 0.2+ 0.1- 120815 H21 0.2- 0.4+ 120913 807 0.2- 0.3-
120812 I48 0.0 0.4+ 120817 474 0.2+ 0.4+ 120913 807 0.3- 0.0
120812 I48 0.5- 0.3+ 120817 474 0.1+ 0.0 120913 807 0.2- 0.1-
120812 I48 0.2- 0.1- 120817 474 0.2+ 0.4+ 120913 807 0.3- 0.1-
120812 704 1.1- 0.2+ 120817 474 0.0 0.0 190724 F51 0.0 0.1+
120812 704 0.7- 0.7- 120817 474 0.1+ 0.4+ 190724 F51 0.0 0.2+
120812 704 0.8- 0.5- 120817 474 0.1+ 0.1+ 190725 F52 0.1+ 0.2+
120812 704 0.4- 0.4+ 120818 474 0.4+ 0.1+ 190725 F52 0.0 0.2+
120812 704 0.5- 0.4- 120818 474 0.3+ 0.3+ 190725 F52 0.1+ 0.1+
120812 194 0.1- 0.3- 120818 474 0.3+ 0.4+ 190725 F52 0.0 0.3+
120812 194 0.4- 0.4- 120818 474 0.4+ 0.5+
120812 194 0.4+ 0.1- 120818 474 0.2+ 0.5-
Ephemeris:
2012 PH6 a,e,i = 1.75, 0.35, 23 q = 1.1421
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 06 25 21 10 30.4 +19 35 45 0.4794 1.3171 118.9 42.5 21.8
...
2019 07 10 21 45 50.7 +17 21 52 0.3548 1.2574 125.8 41.0 21.0
...
2019 07 18 22 09 30.6 +13 44 53 0.2955 1.2293 130.6 38.9 20.5
...
2019 07 24 22 30 41.4 +09 14 11 0.2560 1.2103 134.9 36.5 20.0
2019 07 25 22 34 33.9 +08 17 41 0.2500 1.2073 135.6 36.0 20.0
2019 07 26 22 38 33.0 +07 17 33 0.2441 1.2043 136.4 35.6 19.9
...
2019 08 01 23 04 55.0 -00 05 13 0.2136 1.1880 140.6 32.8 19.5
...
2019 08 09 23 47 17.6 -13 27 53 0.1886 1.1697 142.8 31.6 19.2
...
2019 08 24 01 24 25.8 -39 37 39 0.2011 1.1475 128.6 43.5 19.6
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-O69
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