MPEC 2017-O68 : 2017 OU18
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M.P.E.C. 2017-O68 Issued 2017 July 30, 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@CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2017 OU18
Observations:
K17O18U* C2017 07 27.37576 20 22 41.479-06 43 25.33 20.6 wLEO068F51
K17O18U C2017 07 27.38839 20 22 30.848-06 41 46.60 20.3 wLEO068F51
K17O18U C2017 07 27.43775 20 21 49.308-06 35 21.24 20.3 wLEO068F51
K17O18U KC2017 07 28.20953 20 11 31.25 -04 55 57.6 20.5 RqEO068H36
K17O18U KC2017 07 28.22492 20 11 18.83 -04 53 59.3 20.3 RqEO068H36
K17O18U KC2017 07 28.23588 20 11 09.81 -04 52 34.7 20.6 RqEO068H36
K17O18U _C2017 07 28.35762820 09 35.187-04 36 43.27 20.4 GUEO068568
K17O18U _C2017 07 28.36140220 09 32.118-04 36 14.50 20.1 GUEO068568
K17O18U KC2017 07 29.88060 19 50 16.45 -01 28 26.9 qEO068104
K17O18U KC2017 07 29.88206 19 50 15.32 -01 28 16.5 20.0 qEO068104
K17O18U KC2017 07 29.89165 19 50 08.03 -01 27 07.4 qEO068104
K17O18U KC2017 07 29.90414 19 49 58.72 -01 25 38.5 qEO068104
Observer details:
104 San Marcello Pistoiese. Observers P. Bacci, M. Maestripieri, M. D. Grazia,
M. Fragai. Measurers P. Bacci, L. Tesi, G. Fagioli. 0.60-m f/4 reflector
+ CCD.
568 Mauna Kea. Observers R. J. Wainscoat, C. Wipper. Measurers M. Micheli,
R. J. Wainscoat. 3.6-m Canada-France-Hawaii Telescope + 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. Lilly, E. Magnier, R. Wainscoat, C. Waters, R. Weryk. 1.8-m
Ritchey-Chretien + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
Orbital elements:
2017 OU18 Earth MOID = 0.1177 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5 MPC
M 225.32991 (2000.0) P Q
n 1.31348115 Peri. 185.27540 -0.59820718 -0.67720136
a 0.8257593 Node 302.23610 +0.75249791 -0.29092256
e 0.3775095 Incl. 30.43071 +0.27549059 -0.67584198
P 0.75 H 23.9 G 0.15 U 9
Residuals in seconds of arc
170727 F51 0.0 0.0 170728 H36 0.5+ 0.4- 170729 104 0.6+ 0.3+
170727 F51 0.0 0.2+ 170728 H36 1.1- 0.1+ 170729 104 0.2+ 0.2+
170727 F51 0.1+ 0.0 170728 568 0.2+ 0.3- 170729 104 0.9- 0.4+
170728 H36 0.9- 0.7- 170728 568 0.1+ 0.3- 170729 104 0.5+ 0.4-
Ephemeris:
2017 OU18 a,e,i = 0.83, 0.38, 30 q = 0.5140
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2017 06 30 00 44 17.3 -34 22 29 0.2540 1.0946 101.2 65.7 23.4
...
2017 07 15 23 06 54.3 -27 47 30 0.1539 1.1257 132.3 41.9 21.7
...
2017 07 23 21 24 42.2 -16 05 09 0.1241 1.1344 161.6 16.4 20.5
...
2017 07 29 20 01 15.7 -03 15 24 0.1270 1.1372 162.6 15.5 20.5
2017 07 30 19 48 48.4 -01 13 29 0.1298 1.1374 159.0 18.6 20.7
2017 07 31 19 36 58.5 +00 42 23 0.1332 1.1375 155.4 21.8 20.9
...
2017 08 06 18 39 45.1 +09 45 29 0.1627 1.1362 135.6 38.7 21.8
...
2017 08 14 17 54 00.4 +16 13 51 0.2165 1.1296 117.6 52.6 22.8
...
2017 08 29 17 17 37.9 +20 50 29 0.3274 1.1023 97.6 65.2 24.0
A. U. Tomatic (C) Copyright 2017 MPC M.P.E.C. 2017-O68
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