MPEC 2017-Q63 : 2017 QB2
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M.P.E.C. 2017-Q63 Issued 2017 Aug. 20, 15:59 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 QB2
Observations:
K17Q02B* C2017 08 16.42567 23 47 50.771+05 35 46.31 20.9 wLEQ063F51
K17Q02B C2017 08 16.43710 23 47 45.722+05 36 22.97 20.9 wLEQ063F51
K17Q02B C2017 08 16.44855 23 47 40.644+05 36 59.77 20.8 wLEQ063F51
K17Q02B C2017 08 16.45997 23 47 35.553+05 37 36.48 20.8 wLEQ063F51
K17Q02B _C2017 08 17.37675923 41 18.062+06 25 47.69 20.7 GUEQ063568
K17Q02B _C2017 08 17.37848023 41 17.303+06 25 53.15 20.7 GUEQ063568
K17Q02B _C2017 08 17.37996123 41 16.651+06 25 57.85 20.8 GUEQ063568
K17Q02B KC2017 08 20.11287 23 22 02.76 +08 42 04.0 UEQ063J95
K17Q02B KC2017 08 20.12834 23 21 55.85 +08 42 47.9 20.5 GUEQ063J95
K17Q02B KC2017 08 20.35777023 20 18.76 +08 53 57.9 20.7 VuEQ063H21
K17Q02B KC2017 08 20.36426823 20 15.85 +08 54 16.5 20.8 VuEQ063H21
K17Q02B KC2017 08 20.37056223 20 13.02 +08 54 33.9 21.0 VuEQ063H21
Observer details:
568 Mauna Kea. Observers R. J. Wainscoat, C. Crowder. 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.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes. 0.81-m f/4.0
astrograph + CCD, 1.3-m f/4.0 astrograph + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2017 QB2 Earth MOID = 0.0533 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5 MPC
M 152.57517 (2000.0) P Q
n 1.02692802 Peri. 218.41055 -0.99487160 +0.03062511
a 0.9729922 Node 322.99545 +0.02294616 -0.85987345
e 0.1592283 Incl. 9.21631 -0.09850872 -0.50958783
P 0.96 H 24.4 G 0.15 U 8
Residuals in seconds of arc
170816 F51 0.1- 0.0 170817 568 0.1- 0.2+ 170820 J95 0.0 0.1-
170816 F51 0.0 0.1- 170817 568 0.1- 0.2+ 170820 H21 0.8- 0.1-
170816 F51 0.1+ 0.1- 170817 568 0.1- 0.2+ 170820 H21 0.5- 0.2+
170816 F51 0.0 0.0 170820 J95 0.3+ 0.1+ 170820 H21 0.5- 0.1-
Ephemeris:
2017 QB2 a,e,i = 0.97, 0.16, 9 q = 0.8181
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2017 07 21 01 56 21.3 -15 38 47 0.1241 1.0376 96.5 76.7 22.6
...
2017 08 05 00 57 09.5 -04 43 53 0.1021 1.0702 120.7 54.6 21.6
...
2017 08 13 00 10 39.9 +02 29 48 0.09583 1.0850 136.8 39.8 21.1
...
2017 08 19 23 29 53.8 +07 48 48 0.09580 1.0947 148.3 29.1 20.8
2017 08 20 23 22 51.9 +08 37 39 0.09626 1.0962 149.9 27.6 20.7
2017 08 21 23 15 49.5 +09 24 42 0.09686 1.0977 151.4 26.2 20.7
...
2017 08 27 22 34 47.8 +13 20 57 0.1034 1.1059 156.3 21.6 20.7
...
2017 09 04 21 48 50.2 +16 24 02 0.1191 1.1148 151.7 25.4 21.2
...
2017 09 19 20 59 11.2 +17 34 07 0.1629 1.1254 134.8 39.3 22.3
A. U. Tomatic (C) Copyright 2017 MPC M.P.E.C. 2017-Q63
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