[Iaude] MPEC P50: 2009 PQ1 [a=1.50,e=0.49,i=5.6,H=22.8]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Tue Aug 11 20:37:28 EDT 2020
M.P.E.C. 2020-P50 Issued 2020 August 12, 00:36 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
2009 PQ1
Revision to MPEC 2009-P55
Additional Observations:
K09P01Q C2020 08 10.51466123 53 57.65 -15 22 57.8 17.72oVEP050T08
K09P01Q C2020 08 10.51650223 53 55.29 -15 22 49.4 17.86oVEP050T08
K09P01Q C2020 08 10.51926423 53 51.80 -15 22 36.9 17.75oVEP050T08
K09P01Q C2020 08 10.52433323 53 45.36 -15 22 14.0 17.89oVEP050T08
K09P01Q C2020 08 10.56442623 52 54.76 -15 19 13.2 18.01oVEP050T08
K09P01Q C2020 08 10.56466223 52 54.58 -15 19 14.6 17.83oVEP050T05
K09P01Q C2020 08 10.56488723 52 54.15 -15 19 10.7 17.96oVEP050T08
K09P01Q C2020 08 10.56512023 52 53.99 -15 19 12.3 18.00oVEP050T05
K09P01Q C2020 08 10.56534823 52 53.57 -15 19 08.8 17.74oVEP050T08
K09P01Q C2020 08 10.56557823 52 53.43 -15 19 10.3 17.79oVEP050T05
K09P01Q C2020 08 10.56580923 52 53.01 -15 19 06.9 17.82oVEP050T08
K09P01Q C2020 08 10.56603523 52 52.87 -15 19 08.5 18.06oVEP050T05
K09P01Q C2020 08 10.56627023 52 52.42 -15 19 04.6 17.94oVEP050T08
K09P01Q C2020 08 10.56649223 52 52.29 -15 19 06.3 17.67oVEP050T05
K09P01Q C2020 08 10.86711 23 47 06.79 -14 57 40.7 18.2 GVEP050N88
K09P01Q C2020 08 10.86758 23 47 06.22 -14 57 38.5 18.4 GVEP050N88
K09P01Q C2020 08 10.86799 23 47 05.75 -14 57 36.3 18.6 GVEP050N88
K09P01Q C2020 08 10.86841 23 47 05.28 -14 57 35.0 18.8 GVEP050N88
K09P01Q C2020 08 10.86887 23 47 04.78 -14 57 32.8 18.3 GVEP050N88
K09P01Q C2020 08 10.86931 23 47 04.27 -14 57 31.3 18.2 GVEP050N88
K09P01Q C2020 08 10.87019 23 47 03.16 -14 57 26.7 18.4 GVEP050N88
K09P01Q C2020 08 10.87116 23 47 02.04 -14 57 22.9 18.2 GVEP050N88
K09P01Q KC2020 08 10.99843223 44 45.40 -14 48 16.9 18.4 GVEP050L01
K09P01Q KC2020 08 10.99946723 44 44.24 -14 48 12.5 18.5 GVEP050L01
K09P01Q KC2020 08 11.00167123 44 41.76 -14 48 03.3 18.4 GVEP050L01
K09P01Q KC2020 08 11.00257823 44 40.74 -14 47 59.4 18.5 GVEP050L01
K09P01Q C2020 08 11.47507 23 36 26.84 -14 15 13.7 18.0 GVEP050I52
K09P01Q C2020 08 11.48190 23 36 19.81 -14 14 46.0 18.1 GVEP050I52
K09P01Q C2020 08 11.48215 23 36 19.56 -14 14 45.1 18.1 GVEP050I52
K09P01Q C2020 08 11.48240 23 36 19.32 -14 14 44.0 18.0 GVEP050I52
K09P01Q C2020 08 11.50815923 35 59.278-14 12 43.13 18.34GVEP050F51
K09P01Q C2020 08 11.50944423 35 57.944-14 12 38.03 18.36GVEP050F51
K09P01Q C2020 08 11.51908223 35 47.999-14 12 00.06 18.24GVEP050F51
K09P01Q C2020 08 11.52437623 35 42.46 -14 11 36.9 18.17oVEP050T08
K09P01Q C2020 08 11.52760123 35 39.13 -14 11 24.1 18.02oVEP050T08
K09P01Q C2020 08 11.53002123 35 36.746-14 11 16.90 18.28GVEP050F51
K09P01Q C2020 08 11.53313823 35 33.42 -14 11 01.7 17.99oVEP050T08
K09P01Q C2020 08 11.54095823 35 25.508-14 10 33.69 18.27GVEP050F51
K09P01Q C2020 08 11.54704523 35 19.16 -14 10 07.1 17.77oVEP050T08
K09P01Q KC2020 08 12.00175923 28 23.70 -13 42 00.1 17.8 GVEP050J95
K09P01Q KC2020 08 12.00401723 28 21.61 -13 41 51.9 17.8 GVEP050J95
K09P01Q KC2020 08 12.00627823 28 19.56 -13 41 43.8 17.8 GVEP050J95
K09P01Q KC2020 08 12.00852623 28 17.52 -13 41 35.6 18.0 GVEP050J95
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, A.
Schultz, M. Willman. Measurers S. Chastel, M. Huber, Y. Ramanjooloo, R.
Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer H. Groeller. Measurers
E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer,
H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, T. A. Pruyne, D.
Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos. 1.0-m reflector +
CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.41-m f/6.3 Schmidt-Cassegrain
+ CCD.
L01 Visnjan Observatory, Tican. Observers K. Korlevic, K. Floricic, F.
Hrzenjak, A. Macan, I. Paleka, E. Pettarin, V. Pezo, D. Pujagic.
Measurers A. Macan, D. Pujagic. 1.0-m f/2.9 reflector + CCD.
N88 Xingming Observatory #3, Nanshan. Observer X. Gao. Measurer Q.-Z. Ye.
0.6-m f/8 Ritchey-Chretien + CCD.
T05 ATLAS-HKO, Haleakala. Observers L. Denneau, J. Tonry, A. Heinze, H.
Weiland. Measurers L. Denneau, J. Tonry, A. Heinze, H. Weiland, H.
Flewelling, A. Fitzsimmons, J. Robinson, N. Erasmus. 0.5-m reflector +
CCD.
T08 ATLAS-MLO, Mauna Loa. Observers L. Denneau, J. Tonry, A. Heinze, H.
Weiland. Measurers L. Denneau, J. Tonry, A. Heinze, H. Weiland, H.
Flewelling, A. Fitzsimmons, J. Robinson, N. Erasmus. 0.5-m reflector +
CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or zero decimals in degrees), reference and Delta-T
200810 T08 14+ 15+ 200812 J95 14+ 11+ MPO162548 +1.23 days
Orbital elements:
2009 PQ1 Earth MOID = 0.0217 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5 Veres
M 352.31383 (2000.0) P Q
n 0.53800922 Peri. 271.60204 -0.51974256 +0.85266455
a 1.4971877 Node 326.90860 -0.73996550 -0.48042376
e 0.4894565 Incl. 5.59238 -0.42698798 -0.20531971
P 1.83 H 22.8 G 0.15 U 2
Residuals in seconds of arc
090814 E12 0.2- 0.2- 090815 E16 0.2- 0.5+ 200810 T08 0.3- 0.0
090814 E12 0.0 0.1- 090815 E16 0.1+ 0.2- 200810 T08 0.0 0.3-
090814 E12 0.2+ 0.0 090815 E16 0.4+ 0.0 200810 T05 0.2- 0.1-
090814 E12 0.1+ 0.5+ 090815 151 1.5- 0.3- 200810 T08 0.5- 0.1+
090814 E12 0.2+ 0.4+ 090815 151 1.2- 0.0 200810 T05 0.4- 0.1+
090814 E12 0.5+ 0.4+ 090816 H55 0.0 0.1- 200810 T08 0.5- 0.1-
090814 E12 0.2+ 0.0 090816 H55 0.2- 0.0 200810 T05 0.2- 0.0
090814 E12 0.3+ 0.0 090816 H55 0.5- 0.0 200810 T08 0.2- 0.3-
090814 E12 0.2+ 0.1- 090816 H55 0.3- 0.0 200810 T05 0.0 0.2-
090814 E12 0.1- 0.3+ 090817 I20 0.2- 0.2- 200810 T08 0.4- 0.1-
090814 E12 0.1+ 0.1+ 090817 I20 0.1- 0.4- 200810 T05 0.1- 0.1-
090814 E12 0.3+ 0.9+ 090817 I20 0.1- 0.4- 200810 N88 0.2- 0.3-
090814 E12 0.1- 1.2+ 090817 E12 0.1- 0.5- 200810 N88 0.5- 0.2-
090814 E12 0.1+ 0.2+ 090817 E12 0.0 0.2- 200810 N88 0.4- 0.3+
090814 E12 0.5+ 0.6+ 090817 E12 0.2- 0.5- 200810 N88 0.1- 0.3-
090814 E12 0.5+ 0.2+ 090818 E12 0.0 0.3- 200810 N88 0.4+ 0.1-
090814 E12 0.3+ 0.1+ 090819 204 0.1- 0.0 200810 N88 0.4+ 0.5-
090814 E12 0.5+ 0.1+ 090819 204 0.0 0.1+ 200810 N88 0.8- 0.3+
090814 E12 0.6- 0.0 090819 204 0.2+ 0.2- 200810 N88 0.7- 0.1-
090814 E12 0.3- 0.2+ 090823 I20 0.1+ 0.1+ 200810 L01 0.2- 0.1-
090815 I77 0.5- 0.0 090823 I20 0.2+ 0.1- 200810 L01 0.1- 0.1-
090815 I77 0.5- 0.2- 090823 I20 0.0 0.2- 200811 L01 0.0 0.1-
090815 I77 0.1- 0.2- 090824 H55 0.2- 0.4+ 200811 L01 0.1+ 0.0
090815 I77 0.4- 0.6- 090824 H55 0.0 0.5+ 200811 I52 0.2+ 0.1-
090815 H55 0.0 0.3+ 090824 H55 0.1+ 0.4+ 200811 I52 0.0 0.1-
090815 H55 0.5+ 0.5+ 090825 H55 0.2- 0.4- 200811 I52 0.1+ 0.3-
090815 H55 0.0 0.5+ 090825 H55 0.1+ 0.3+ 200811 I52 0.3+ 0.2-
090815 703 0.2- 0.0 090825 H55 0.2+ 0.2+ 200811 F51 0.1+ 0.1-
090815 703 0.6- 0.2- 090825 H55 0.2+ 0.4+ 200811 F51 0.0 0.0
090815 703 0.0 0.4- 090825 H55 0.1+ 0.4+ 200811 F51 0.0 0.0
090815 854 0.9+ 0.3+ 090830 H55 0.3+ 0.7+ 200811 T08 0.4+ 0.1-
090815 854 0.4+ 1.0+ 090830 H55 0.1+ 0.1- 200811 T08 0.2+ 0.1-
090815 854 0.3+ 1.0+ 090830 H55 0.2+ 0.5+ 200811 F51 0.2+ 0.0
090815 E12 0.1- 0.3+ 090911 H55 1.1+ 0.3- 200811 T08 0.0 0.5+
090815 E12 0.2+ 0.6+ 090911 H55 0.9+ 0.1+ 200811 F51 0.1+ 0.1-
090815 E12 1.0+ 0.5- 090911 H55 0.4+ 0.2+ 200811 T08 0.3+ 0.0
090815 E12 0.2- 0.5+ 090912 291 0.3+ 0.8+ 200812 J95 0.4+ 0.1+
090815 E12 0.1- 0.7+ 090912 291 0.1+ 0.7+ 200812 J95 0.0 0.1+
090815 E12 0.3- 0.1- 090912 291 0.4+ 0.7+ 200812 J95 0.2+ 0.0
090815 E12 0.4- 0.1+ 200810 T08 0.1- 0.3- 200812 J95 0.3+ 0.1+
090815 E12 0.5- 0.6+ 200810 T08 0.4- 0.2-
090815 E12 0.9+ 0.9- 200810 T08 0.2- 0.1-
Ephemeris:
2009 PQ1 a,e,i = 1.50, 0.49, 6 q = 0.7644
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 07 13 08 40 34.0 +00 35 31 0.1847 0.8567 27.3 147.0 26.7
...
2020 07 28 07 29 20.3 -07 45 52 0.06933 0.9564 30.6 147.3 24.8
...
2020 08 05 03 18 44.1 -21 01 34 0.03539 1.0163 92.0 86.0 18.6
...
2020 08 11 23 44 41.7 -14 46 06 0.05873 1.0627 146.0 32.2 18.1
2020 08 12 23 28 22.8 -13 40 10 0.06501 1.0705 150.7 27.6 18.2
2020 08 13 23 15 02.6 -12 43 15 0.07159 1.0784 154.7 23.6 18.4
...
2020 08 19 22 29 12.6 -09 12 53 0.1149 1.1256 170.6 8.4 18.9
...
2020 08 27 22 04 31.1 -07 17 04 0.1789 1.1886 174.6 4.6 19.8
...
2020 09 11 21 49 51.1 -06 02 07 0.3156 1.3049 158.1 16.7 21.8
A. U. Tomatic (C) Copyright 2020 MPC M.P.E.C. 2020-P50
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