[Iaude] MPEC P42: 2018 PG9 [a=2.46,e=0.65,i=5.7,H=22.1]
mpec at mpcdb1.cfa.harvard.edu
mpec at mpcdb1.cfa.harvard.edu
Fri Aug 10 11:11:17 EDT 2018
M.P.E.C. 2018-P42 Issued 2018 Aug. 10, 15:07 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 at CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2018 PG9
Observations:
K18P09G* C2018 08 05.39655 21 15 57.875-12 42 45.32 21.9 wUEP042F51
K18P09G C2018 08 05.40837 21 15 56.983-12 42 54.10 21.9 wUEP042F51
K18P09G C2018 08 05.42017 21 15 56.069-12 43 03.09 21.9 wUEP042F51
K18P09G KC2018 08 06.32690 21 14 50.91 -12 54 39.3 oEP042291
K18P09G KC2018 08 06.33139 21 14 50.53 -12 54 42.5 oEP042291
K18P09G KC2018 08 06.33587 21 14 50.19 -12 54 45.7 oEP042291
K18P09G IC2018 08 08.28454 21 12 21.46 -13 21 15.7 oEP042711
K18P09G KC2018 08 08.28962 21 12 20.97 -13 21 20.1 oEP042711
K18P09G KC2018 08 08.29343 21 12 20.65 -13 21 23.3 oEP042711
K18P09G KC2018 08 09.22056121 11 05.40 -13 34 50.5 21.7 VuEP042H21
K18P09G KC2018 08 09.22542321 11 04.97 -13 34 55.1 21.9 VuEP042H21
K18P09G KC2018 08 09.23069021 11 04.51 -13 35 00.0 21.5 VuEP042H21
K18P09G KC2018 08 09.27343 21 11 00.81 -13 35 37.6 21.9 GUEP042734
K18P09G KC2018 08 09.29015 21 10 59.31 -13 35 53.1 22.6 GUEP042734
Observer details:
291 LPL/Spacewatch II. Observer M. T. Read. 1.8-m f/2.7 reflector + CCD.
711 McDonald Observatory. Observer J. G. Ries. 2.1-m reflector + CCD + focal
reducer.
734 Farpoint Observatory. Observer G. Hug. 0.69-m reflector + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, T. Lowe, A. Schultz,
M. Willman. Measurers K. Chambers, S. Chastel, L. Denneau, H. Flewelling,
M. Huber, E. Magnier, Y. Ramanjooloo, R. Wainscoat, C. Waters, 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. 1.3-m f/4.0
astrograph + CCD.
Orbital elements:
2018 PG9 Earth MOID = 0.0561 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 301.84782 (2000.0) P Q
n 0.25525789 Peri. 265.27512 +0.64638696 -0.76076742
a 2.4612171 Node 144.23548 +0.73369704 +0.59869746
e 0.6504290 Incl. 5.73998 +0.20945776 +0.25058788
P 3.86 H 22.1 G 0.15 U 9
Residuals in seconds of arc
180805 F51 0.1- 0.0 180806 291 0.0 0.2+ 180809 H21 0.0 0.1+
180805 F51 0.1+ 0.1+ 180808 711 0.6+ 0.0 180809 H21 0.2+ 0.1-
180805 F51 0.0 0.0 180808 711 0.1- 0.1- 180809 734 0.2- 0.2+
180806 291 0.1+ 0.4- 180808 711 0.0 0.0 180809 734 0.2- 0.5-
180806 291 0.2- 0.1- 180809 H21 0.1- 0.4+
Ephemeris:
2018 PG9 a,e,i = 2.46, 0.65, 6 q = 0.8604
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 07 11 21 30 04.6 -10 00 28 0.8037 1.7443 146.5 18.8 23.8
...
2018 07 26 21 25 15.4 -11 02 17 0.6102 1.6074 162.1 11.2 22.8
...
2018 08 03 21 18 36.0 -12 14 23 0.5222 1.5331 171.5 5.6 22.1
...
2018 08 09 21 11 23.5 -13 31 21 0.4634 1.4770 177.4 1.8 21.5
2018 08 10 21 09 59.7 -13 46 17 0.4542 1.4676 177.2 1.9 21.5
2018 08 11 21 08 32.4 -14 01 51 0.4452 1.4582 176.5 2.4 21.4
...
2018 08 17 20 58 36.7 -15 48 59 0.3949 1.4019 168.7 8.1 21.4
...
2018 08 25 20 42 12.3 -18 49 51 0.3373 1.3270 156.5 17.7 21.3
...
2018 09 09 20 01 45.9 -26 29 46 0.2541 1.1892 130.8 39.9 21.1
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-P42
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