MPEC 2016-C193: 2014 QD391
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M.P.E.C. 2016-C193 Issued 2016 Feb. 15, 16:21 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
2014 QD391
Revision to MPEC 2014-R29
Additional Observations:
K14Qd1D C2016 02 14.48470 11 22 09.389-17 59 24.96 21.5 wLEC193F51
K14Qd1D C2016 02 14.49725 11 22 09.459-17 58 50.70 21.5 wLEC193F51
K14Qd1D C2016 02 14.50978 11 22 09.535-17 58 16.53 21.4 wLEC193F51
K14Qd1D C2016 02 14.52256 11 22 09.587-17 57 41.46 21.7 wLEC193F51
K14Qd1D |C2016 02 15.19995 11 22 19.09 -17 25 41.3 21.3 VuEC193807
K14Qd1D |C2016 02 15.20432 11 22 19.11 -17 25 28.9 21.3 VuEC193807
K14Qd1D |C2016 02 15.20881 11 22 19.14 -17 25 15.8 21.5 VuEC193807
Observer details:
807 Cerro Tololo. Observers T. Linder, R. Holmes. 0.61-m f/6.5 astrograph
+ CCD.
F51 Pan-STARRS 1, Haleakala. Observers B. Gibson, T. Goggia, N. Primak,
A. Schultz, M. Willman. Measurers K. Chambers, S. Chastel, L. Denneau,
H. Flewelling, M. Huber, E. Lilly, E. Magnier, R. Wainscoat, C. Waters,
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
160214 F51 0.96+ 0.16+ 160215 807 0.98+ 0.16+ MPO311490 -0.54 day
Orbital elements:
2014 QD391 Earth MOID = 0.1816 AU
Epoch 2016 Jan. 13.0 TT = JDT 2457400.5 MPC
M 294.62653 (2000.0) P Q
n 0.50908622 Peri. 90.59340 -0.22245526 +0.95565531
a 1.5533709 Node 162.42076 -0.92980362 -0.26748673
e 0.4467426 Incl. 39.71092 +0.29322158 -0.12318186
P 1.94 H 21.4 G 0.15 U 2
Residuals in seconds of arc
140830 F51 0.0 0.2+ 140831 703 0.1+ 1.1+ 140904 568 0.0 0.0
140830 F51 0.1+ 0.2- 140831 568 0.1- 0.1- 140904 568 0.1- 0.0
140830 F51 0.0 0.1- 140831 568 0.0 0.0 140928 474 0.6+ 0.2-
140830 F51 0.2+ 0.1+ 140831 291 0.1- 0.2- 140928 474 0.1- 0.0
140831 I93 0.5- 0.2- 140831 291 0.1- 0.1+ 140928 474 1.2+ 0.2-
140831 I93 0.5- 0.1- 140831 291 0.1+ 0.1+ 160214 F51 0.0 0.1-
140831 I93 0.3- 0.0 140901 H21 0.1+ 0.2- 160214 F51 0.0 0.0
140831 958 (0.0 1.8-) 140901 H21 0.1- 0.4- 160214 F51 0.2+ 0.0
140831 958 (0.0 1.7-) 140901 H21 0.1- 0.1- 160214 F51 0.1- 0.1+
140831 958 (0.1- 2.3-) 140904 J95 0.3+ 0.1- 160215 807 0.2- 0.0
140831 703 0.0 0.3- 140904 J95 0.0 0.3+ 160215 807 0.2- 0.2-
140831 703 (2.5+ 1.0+) 140904 J95 0.3- 0.0 160215 807 0.1- 0.0
Ephemeris:
2014 QD391 a,e,i = 1.55, 0.45, 40 q = 0.8594
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2016 01 16 11 05 12.5 -26 01 56 0.8711 1.5466 112.9 35.9 23.5
...
2016 01 31 11 16 10.2 -24 29 36 0.6413 1.4511 125.0 33.8 22.7
...
2016 02 08 11 20 07.2 -21 50 42 0.5245 1.3983 133.1 31.0 22.1
...
2016 02 14 11 22 02.4 -18 20 52 0.4417 1.3580 140.6 27.5 21.5
2016 02 15 11 22 16.0 -17 35 20 0.4284 1.3512 142.0 26.7 21.4
2016 02 16 11 22 28.1 -16 46 10 0.4153 1.3444 143.5 25.9 21.3
...
2016 02 22 11 23 04.9 -10 17 32 0.3411 1.3034 153.6 19.7 20.6
...
2016 03 01 11 22 08.3 +04 19 46 0.2601 1.2484 171.0 7.1 19.5
...
2016 03 16 11 12 39.2 +52 04 44 0.2186 1.1456 129.2 42.3 20.0
A. U. Tomatic (C) Copyright 2016 MPC M.P.E.C. 2016-C193
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