MPEC 2018-W05 : 2008 WS62
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M.P.E.C. 2018-W05 Issued 2018 Nov. 17, 03:42 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
2008 WS62
Revision to MPEC 2008-W68
Additional Observations:
K08W62S C2018 11 14.20407101 12 19.74 +65 10 06.6 18.11gUEW005I41
K08W62S C2018 11 14.20441901 12 22.58 +65 09 50.1 18.11gUEW005I41
K08W62S C2018 11 14.23666601 16 39.22 +64 45 06.8 17.77gUEW005I41
K08W62S C2018 11 14.23701301 16 42.16 +64 44 48.5 17.77gUEW005I41
K08W62S C2018 11 14.33021301 28 14.05 +63 30 05.3 17.12RUEW005I41
K08W62S C2018 11 14.33056001 28 16.69 +63 29 48.1 17.12RUEW005I41
K08W62S C2018 11 16.43306 03 15 32.88 +39 29 51.5 17.8 oVEW005T08
K08W62S C2018 11 16.44007 03 15 39.60 +39 26 23.8 17.7 oVEW005T08
K08W62S C2018 11 16.45361 03 15 52.23 +39 19 47.1 18.2 oVEW005T08
K08W62S C2018 11 16.45684 03 15 55.39 +39 18 09.6 18.1 oVEW005T08
K08W62S KC2018 11 16.69713 03 20 43.16 +37 20 49.9 17.7 RoEW005K88
K08W62S KC2018 11 16.70058 03 20 46.52 +37 19 21.4 17.5 RoEW005K88
K08W62S KC2018 11 16.70404 03 20 49.85 +37 17 53.1 17.6 RoEW005K88
K08W62S KC2018 11 16.76939 03 21 51.45 +36 49 44.2 18.0 VtEW005198
K08W62S KC2018 11 16.77249 03 21 54.25 +36 48 26.6 18.1 VtEW005198
K08W62S KC2018 11 16.77829 03 21 59.43 +36 46 01.0 18.0 VtEW005198
K08W62S KC2018 11 16.78100 03 22 01.85 +36 44 53.6 18.2 VtEW005198
K08W62S KC2018 11 16.78525 03 22 05.60 +36 43 07.6 18.2 VtEW005198
K08W62S KC2018 11 16.78670 03 22 06.84 +36 42 31.2 18.2 VtEW005198
K08W62S KC2018 11 16.79341 03 22 09.90 +36 40 26.3 18.0 VtEW005L04
K08W62S KC2018 11 16.79698 03 22 12.90 +36 38 57.1 18.2 VtEW005L04
K08W62S KC2018 11 16.79810 03 22 16.46 +36 37 41.8 17.7 RqEW005A17
K08W62S KC2018 11 16.80054 03 22 15.88 +36 37 27.7 17.8 VtEW005L04
K08W62S KC2018 11 16.80141 03 22 19.30 +36 36 19.8 17.7 RqEW005A17
K08W62S KC2018 11 16.80469 03 22 22.12 +36 34 57.9 17.9 RqEW005A17
K08W62S KC2018 11 16.80610 03 22 20.47 +36 35 08.8 17.9 VtEW005L04
K08W62S KC2018 11 16.80797 03 22 24.96 +36 33 36.1 17.6 RqEW005A17
K08W62S KC2018 11 16.81125 03 22 27.76 +36 32 14.9 17.5 RqEW005A17
K08W62S KC2018 11 16.81453 03 22 30.52 +36 30 53.4 16.9 RqEW005A17
K08W62S KC2018 11 16.91432903 23 50.09 +35 50 32.1 17.4 RVEW005K63
K08W62S KC2018 11 16.91800903 23 52.79 +35 49 01.5 17.4 RVEW005K63
K08W62S KC2018 11 16.92267403 23 56.31 +35 47 07.2 17.0 RVEW005K63
K08W62S KC2018 11 16.99411703 24 46.69 +35 17 57.8 18.1 GVEW005L01
K08W62S KC2018 11 16.99569503 24 47.81 +35 17 19.5 17.9 GVEW005L01
K08W62S KC2018 11 16.99727903 24 48.93 +35 16 40.8 18.1 GVEW005L01
K08W62S KC2018 11 16.99816903 24 49.57 +35 16 19.2 18.1 GVEW005L01
K08W62S KC2018 11 17.06008 03 26 09.03 +34 51 33.0 17.8 RuEW005850
K08W62S KC2018 11 17.07510 03 26 19.92 +34 45 54.9 18.1 RuEW005850
K08W62S KC2018 11 17.08941 03 26 29.99 +34 40 33.1 17.5 RuEW005850
K08W62S KC2018 11 17.10355 03 26 39.73 +34 35 17.3 17.4 RuEW005850
Observer details:
198 Wildberg. Observer R. Apitzsch. 0.35-m f/3.1 reflector + CCD.
850 Cordell-Lorenz Observatory, Sewanee. Observers D. T. Durig, T. R. Potter,
L. G. Eells, R. R. Falcon. 0.3-m f/7.6 Schmidt-Cassegrain +
1536x1024 CCD.
A17 Guidestar Observatory, Weinheim. Observers M. Emmerich, S. Melchert.
0.36-m f/6 Schmidt-Cassegrain + CCD.
I41 Palomar Mountain--ZTF. Observer A. U. Tomatic. Measurers D. Streaks,
H.-W. Lin, F. J. Masci, Q.-Z. Ye. 1.2-m f/2.4 Schmidt.
K63 G. Pascoli Observatory, Castelvecchio Pascoli. Observer R. Bacci.
0.41-m f/3.2 Newtonian reflector + CCD.
K88 GINOP-KHK, Piszkesteto. Observer A. Ordasi. Measurer K. Sarneczky.
0.60-m Schmidt + CCD.
L01 Visnjan Observatory, Tican. Observers K. Korlevic, G. Kervina,
R. Jenko. Measurer K. Korlevic. 1.0-m f/2.9 reflector + CCD.
L04 ROASTERR-1 Observatory, Cluj-Napoca. Observer L. Hudin. 0.3-m f/5
reflector + CCD.
T08 ATLAS-MLO, Mauna Loa. Observers L. Denneau, H. Flewelling, A. Heinze,
H. Weiland, J. Tonry. Measurers L. Denneau, H. Flewelling, A. Heinze,
J. Tonry, A. Fitzsimmons, D. Young, N. Erasmus. 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
181114 I41 28+ 71+ 181117 850 74+ 40+ MPO149162 -4.9 day
Orbital elements:
2008 WS62 Earth MOID = 0.0132 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 147.14170 (2000.0) P Q
n 0.68959916 Peri. 110.26878 +0.97708841 +0.19826845
a 1.2688343 Node 238.36685 -0.21283283 +0.91132778
e 0.3158436 Incl. 5.21450 +0.00065043 +0.36079259
P 1.43 H 25.2 G 0.15 U 3
Residuals in seconds of arc
081124 G96 1.0- 0.4- 081130 G96 0.1- 0.2- 181116 198 0.0 0.2+
081124 G96 0.8- 0.1- 081130 G96 0.3+ 0.2+ 181116 L04 0.0 0.1-
081124 G96 0.8- 0.2- 081205 291 0.5+ 0.2- 181116 L04 0.2+ 0.2+
081124 G96 0.7- 0.4- 081205 291 0.2- 0.5- 181116 A17 0.2+ 0.0
081124 H01 1.1- 0.3- 081205 291 1.1+ 0.6+ 181116 L04 0.3+ 0.0
081124 H01 1.2- 0.2- 181114 I41 (4.3+ 7.1-) 181116 A17 0.1- 0.5+
081124 G96 1.3- 0.7- 181114 I41 (4.3+ 7.8-) 181116 A17 0.1- 0.2+
081124 G96 2.0- 0.6- 181114 I41 1.3- 2.2- 181116 L04 0.1+ 0.3+
081124 H01 1.2- 0.4- 181114 I41 (0.1+ 4.2-) 181116 A17 0.3+ 0.0
081124 G96 1.2- 0.2- 181114 I41 (2.8- 2.3-) 181116 A17 0.4+ 0.4+
081124 G96 1.6- 0.6- 181114 I41 1.5- 2.4- 181116 A17 0.1+ 0.4+
081124 H01 1.2- 0.6- 181116 T08 0.3- 0.6- 181116 K63 0.2+ 0.3+
081124 651 0.8- 0.0 181116 T08 0.4+ 1.1- 181116 K63 0.2- 0.3-
081124 651 0.5- 0.1- 181116 T08 (1.7- 2.2+) 181116 K63 0.7+ 0.5-
081124 651 0.6- 0.1- 181116 T08 0.4- 0.1+ 181116 L01 0.6+ 0.6+
081125 H55 (3.5- 0.9-) 181116 K88 0.1+ 0.5+ 181116 L01 0.5+ 0.7+
081125 H55 (2.8- 0.8-) 181116 K88 0.2+ 0.4+ 181116 L01 0.4+ 0.5+
081125 H55 0.3- 0.3+ 181116 K88 0.1+ 0.7+ 181116 L01 0.4+ 0.6+
081130 291 1.2+ 0.4- 181116 198 0.1- 0.0 181117 850 0.3+ 0.1+
081130 291 1.4+ 0.3+ 181116 198 0.1+ 0.1+ 181117 850 0.7+ 0.1+
081130 291 0.1+ 0.1+ 181116 198 0.2+ 0.2- 181117 850 0.3+ 0.3-
081130 G96 0.0 0.2+ 181116 198 0.4+ 0.2+ 181117 850 0.1+ 0.9+
081130 G96 0.6+ 0.2+ 181116 198 0.4+ 0.4+
Ephemeris:
2008 WS62 a,e,i = 1.27, 0.32, 5 q = 0.8681
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 10 18 16 13 49.8 +00 36 49 0.1394 0.8977 42.0 132.1 26.6
...
2018 11 02 16 31 52.3 +08 44 30 0.05947 0.9467 38.7 139.1 25.7
...
2018 11 10 17 11 29.2 +32 50 03 0.02139 0.9796 59.0 119.9 21.6
...
2018 11 16 03 05 55.4 +43 16 26 0.01920 1.0065 155.0 24.5 17.8
2018 11 17 03 24 57.0 +35 17 05 0.02322 1.0111 163.6 16.1 17.9
2018 11 18 03 36 02.1 +29 38 19 0.02763 1.0157 169.4 10.3 18.1
...
2018 11 24 03 59 00.9 +15 29 32 0.05723 1.0444 175.0 4.7 19.5
...
2018 12 02 04 06 29.5 +10 26 53 0.1002 1.0839 167.1 11.7 21.1
...
2018 12 17 04 13 07.1 +08 29 59 0.1908 1.1599 155.0 21.0 23.0
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-W05
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