[Iaude] MPEC P70: 2005 WF57 [a=2.64,e=0.58,i=10.9,H=19.1]
mpec at mpcdb1.cfa.harvard.edu
mpec at mpcdb1.cfa.harvard.edu
Sun Aug 12 14:59:16 EDT 2018
M.P.E.C. 2018-P70 Issued 2018 Aug. 12, 18:56 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
2005 WF57
Revision to MPEC 2005-X01
Additional Observations:
K05W57F C2018 08 11.54571 01 39 33.84 -38 53 42.5 19.0 cUEP070T05
K05W57F C2018 08 11.56034 01 39 38.71 -38 53 35.8 19.2 cUEP070T05
K05W57F C2018 08 11.56859 01 39 41.54 -38 53 32.0 19.2 cUEP070T05
K05W57F C2018 08 11.57499 01 39 43.67 -38 53 28.9 19.2 cUEP070T05
K05W57F C2018 08 11.58421 01 39 46.77 -38 53 24.8 19.2 cUEP070T05
K05W57F |C2018 08 12.35639 01 44 16.44 -38 46 27.9 19.1 GUEP070807
K05W57F |C2018 08 12.35777 01 44 16.92 -38 46 27.1 19.1 GUEP070807
K05W57F |C2018 08 12.35952 01 44 17.51 -38 46 26.2 18.9 GUEP070807
K05W57F |C2018 08 12.36125 01 44 18.08 -38 46 25.2 19.2 GUEP070807
Observer details:
807 Cerro Tololo. Observers T. Linder, R. Holmes. 1.00-m f/10.0 astrograph
+ CCD.
T05 ATLAS-HKO, Haleakala. Observers L. Denneau, H. Flewelling, A. Heinze,
H. Weiland, J. Tonry. Measurers L. Denneau, H. Flewelling, A. Heinze,
J. Tonry, A. Fitzsimmons, D. Young. 0.5-m f/2.0 Schmidt + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or integer in degrees), reference and Delta-T
180811 T05 16+ 13+ 180812 807 16+ 13+ MPO 97989 -5.7 day
Orbital elements:
2005 WF57 Earth MOID = 0.1683 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 318.25305 (2000.0) P Q
n 0.22959014 Peri. 307.09126 +0.97950381 -0.11629789
a 2.6413983 Node 60.13505 +0.18219606 +0.85969987
e 0.5836688 Incl. 10.93204 -0.08588877 +0.49738409
P 4.29 H 19.1 G 0.15 U 2
Residuals in seconds of arc
051130 704 0.1+ 0.9+ 051201 704 0.2- 0.5+ 051205 704 0.1+ 0.1+
051130 704 0.7+ 0.9+ 051201 704 0.8- 0.1- 051205 704 0.7- 1.4+
051130 704 0.2- 0.1+ 051201 704 0.8- 0.3+ 051207 A50 0.4+ 0.2-
051130 704 0.1+ 0.2+ 051201 G96 0.0 0.2- 051207 A50 0.2+ 0.3-
051130 147 0.2- 0.1- 051201 G96 0.1+ 0.2- 051207 A50 0.4+ 0.1+
051130 147 0.1+ 0.1- 051201 704 0.7- 0.4+ 051207 A50 0.2+ 0.1+
051130 147 (2.2+ 1.6+) 051201 G96 0.3+ 0.1- 051207 A50 0.9+ 0.2+
051130 932 0.7+ 0.0 051201 G96 0.3+ 0.1- 051215 448 0.5+ 0.4-
051130 932 0.5+ 0.0 051202 704 0.7- 0.8- 051215 448 0.9- 0.2-
051130 932 0.7+ 0.1- 051202 704 0.2+ 0.3+ 051215 448 0.7+ 0.9-
051201 704 1.2- 0.3- 051202 704 0.1+ 0.0 051228 682 (1.0+ 3.4+)
051201 651 0.0 0.0 051202 704 0.2- 0.0 051228 682 (2.3+ 1.6+)
051201 651 0.3- 0.2- 051202 704 0.0 0.7+ 060121 291 0.1- 0.2+
051201 651 0.3- 0.1+ 051204 704 1.1+ 0.0 060121 291 (0.5- 2.4+)
051201 704 0.9- 0.8+ 051204 704 0.8+ 0.0 060121 291 0.1- 0.1+
051201 704 0.5- 0.4- 051204 448 0.4+ 0.3- 180811 T05 0.2+ 0.4-
051201 704 0.8- 0.0 051204 448 1.4- 1.1- 180811 T05 0.4- 0.2-
051201 682 (1.4+ 2.5+) 051204 448 1.1- 0.9- 180811 T05 0.2+ 0.1-
051201 G96 0.2+ 0.2- 051204 704 1.4+ 0.1+ 180811 T05 0.0 0.1+
051201 704 0.6- 0.5- 051204 G96 0.2+ 0.1- 180811 T05 0.1+ 0.0
051201 G96 0.5+ 0.0 051204 704 1.4+ 0.8- 180812 807 0.1- 0.1+
051201 682 (1.4+ 2.6+) 051204 G96 0.3+ 0.0 180812 807 0.1+ 0.2+
051201 G96 0.3- 0.1+ 051204 G96 0.3+ 0.1- 180812 807 0.1+ 0.1+
051201 704 0.7- 0.1- 051204 G96 0.1+ 0.2- 180812 807 0.1- 0.2+
051201 G96 0.2+ 0.2- 051205 704 (1.6- 0.2+)
051201 682 (1.3+ 2.4+) 051205 704 0.1- 0.9+
Ephemeris:
2005 WF57 a,e,i = 2.64, 0.58, 11 q = 1.0997
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 07 13 23 12 14.9 -36 10 40 0.4938 1.3849 129.7 34.4 19.7
...
2018 07 28 00 19 17.7 -38 48 28 0.3911 1.2877 126.7 39.2 19.2
...
2018 08 05 01 02 03.3 -39 18 43 0.3502 1.2413 123.2 43.1 19.0
...
2018 08 11 01 36 22.2 -38 57 31 0.3255 1.2098 120.0 46.5 18.8
2018 08 12 01 42 11.3 -38 49 34 0.3219 1.2048 119.5 47.1 18.8
2018 08 13 01 48 01.0 -38 40 16 0.3184 1.1999 118.9 47.7 18.8
...
2018 08 19 02 22 53.0 -37 14 49 0.3000 1.1727 115.4 51.2 18.7
...
2018 08 27 03 07 21.7 -34 01 25 0.2821 1.1423 111.0 55.7 18.7
...
2018 09 11 04 17 16.9 -24 39 52 0.2648 1.1065 105.3 61.4 18.6
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-P70
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