MPEC 2019-Q02 : A/2017 U7
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M.P.E.C. 2019-Q02 Issued 2019 August 16, 03:38 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
A/2017 U7
Observations:
AK17U070 |C2017 11 05.15323 00 48 24.96 -39 28 01.4 20.0 GUEQ002807
AK17U070 |C2017 11 05.15604 00 48 24.80 -39 28 01.4 20.4 GUEQ002807
AK17U070 |C2017 11 05.15904 00 48 24.63 -39 28 01.6 20.1 GUEQ002807
AK17U070 C2018 08 07.52398 00 08 14.56 -41 50 27.8 17.9 cUEQ002T05
AK17U070 C2018 08 07.53267 00 08 14.07 -41 50 32.4 17.7 cUEQ002T05
AK17U070 C2018 08 07.53358 00 08 14.02 -41 50 33.0 17.7 cUEQ002T05
AK17U070 C2018 08 07.54649 00 08 13.24 -41 50 38.6 17.4 cUEQ002T05
AK17U070 C2018 08 17.48331 23 58 11.05 -43 06 50.9 17.3 oUEQ002T08
AK17U070 C2018 08 17.49022 23 58 10.62 -43 06 53.6 17.2 oUEQ002T08
AK17U070 C2018 08 17.49251 23 58 10.43 -43 06 55.0 17.4 oUEQ002T08
AK17U070 C2018 08 17.49942 23 58 10.02 -43 06 58.1 17.4 oUEQ002T08
AK17U070 C2018 09 30.37392 23 02 44.54 -46 17 36.9 16.9 oUEQ002T08
AK17U070 C2018 09 30.37602 23 02 44.31 -46 17 38.7 17.7 oUEQ002T08
AK17U070 C2018 09 30.38339 23 02 43.86 -46 17 37.0 17.1 oUEQ002T08
AK17U070 C2018 09 30.38570 23 02 43.64 -46 17 37.1 16.9 oUEQ002T08
AK17U070 C2018 09 30.39536 23 02 42.88 -46 17 37.9 16.8 oUEQ002T08
AK17U070 C2018 09 30.39721 23 02 42.72 -46 17 38.5 17.0 oUEQ002T08
AK17U070 C2018 09 30.40228 23 02 42.34 -46 17 37.5 16.9 oUEQ002T08
AK17U070 C2018 10 04.35890 22 57 44.90 -46 19 12.9 17.4 oUEQ002T08
AK17U070 C2018 10 04.36581 22 57 44.38 -46 19 12.6 17.5 oUEQ002T08
AK17U070 C2018 10 04.37133 22 57 43.98 -46 19 12.7 17.3 oUEQ002T08
AK17U070 C2018 10 04.37802 22 57 43.46 -46 19 12.9 17.3 oUEQ002T08
AK17U070 C2018 12 09.21443 22 09 41.63 -42 28 05.8 17.7 cUEQ002T05
AK17U070 C2018 12 09.22243 22 09 41.54 -42 28 02.9 17.3 cUEQ002T05
AK17U070 C2018 12 09.23042 22 09 41.47 -42 28 00.8 17.6 cUEQ002T05
AK17U070 C2018 12 09.23848 22 09 41.26 -42 27 57.9 17.7 cUEQ002T05
AK17U070 C2019 06 01.63808 22 18 12.09 -38 24 15.1 16.7 VqEQ002Q68
AK17U070 C2019 06 01.75363 22 18 08.20 -38 24 48.0 16.8 VqEQ002Q68
AK17U070 C2019 06 06.63259 22 15 15.07 -38 48 03.5 16.6 VqEQ002Q68
AK17U070 C2019 06 06.63361 22 15 15.00 -38 48 03.9 16.8 VqEQ002Q68
AK17U070 C2019 06 06.73618 22 15 11.06 -38 48 34.2 16.6 VqEQ002Q68
AK17U070 C2019 06 06.74127 22 15 10.84 -38 48 36.0 16.8 VqEQ002Q68
AK17U070 C2019 06 09.53315722 13 20.20 -39 02 26.2 16.67oVEQ002T08
AK17U070 C2019 06 09.53592222 13 20.11 -39 02 26.9 16.37oVEQ002T08
AK17U070 C2019 06 09.54224822 13 19.84 -39 02 29.1 16.64oVEQ002T08
AK17U070 C2019 06 09.55009222 13 19.53 -39 02 31.5 16.31oVEQ002T08
AK17U070 C2019 06 09.55193222 13 19.46 -39 02 31.8 16.46oVEQ002T08
AK17U070 C2019 06 09.55331322 13 19.41 -39 02 32.2 16.38oVEQ002T08
AK17U070 C2019 06 09.56427322 13 18.94 -39 02 35.7 16.31oVEQ002T08
AK17U070 C2019 06 09.57105922 13 18.66 -39 02 37.5 16.34oVEQ002T08
AK17U070 C2019 06 10.61941 22 12 34.88 -39 07 52.7 16.8 VqEQ002Q68
AK17U070 C2019 06 10.62018 22 12 34.87 -39 07 52.6 16.6 VqEQ002Q68
AK17U070 C2019 06 10.72920 22 12 30.17 -39 08 26.3 16.5 VqEQ002Q68
AK17U070 C2019 06 10.73192 22 12 30.18 -39 08 26.8 16.7 VqEQ002Q68
AK17U070 C2019 06 11.52567422 11 56.11 -39 12 29.6 16.34oVEQ002T05
AK17U070 C2019 06 11.52844122 11 55.99 -39 12 30.3 16.36oVEQ002T05
AK17U070 C2019 06 11.53476122 11 55.70 -39 12 32.1 16.32oVEQ002T05
AK17U070 C2019 06 11.54474822 11 55.27 -39 12 35.2 16.33oVEQ002T05
AK17U070 C2019 06 11.61641 22 11 52.15 -39 12 55.7 16.7 VqEQ002Q68
AK17U070 C2019 06 11.62171922 11 51.84 -39 12 59.0 17.20oVEQ002T05
AK17U070 C2019 06 11.64463 22 11 50.93 -39 13 04.4 16.5 VqEQ002Q68
AK17U070 C2019 06 11.73160 22 11 47.09 -39 13 31.2 16.8 VqEQ002Q68
AK17U070 C2019 06 11.74166 22 11 46.67 -39 13 34.4 16.7 VqEQ002Q68
AK17U070 C2019 06 13.51656522 10 27.82 -39 22 39.4 16.36oVEQ002T08
AK17U070 C2019 06 13.51987422 10 27.67 -39 22 40.6 16.43oVEQ002T08
AK17U070 C2019 06 13.52507722 10 27.46 -39 22 41.9 16.35oVEQ002T08
AK17U070 C2019 06 15.51518722 08 54.82 -39 32 58.2 16.06oVEQ002T05
AK17U070 C2019 06 15.51840822 08 54.61 -39 32 59.5 16.89oVEQ002T05
AK17U070 C2019 06 15.52361422 08 54.38 -39 33 01.4 16.28oVEQ002T05
AK17U070 C2019 06 15.53356122 08 53.92 -39 33 04.1 16.38oVEQ002T05
AK17U070 C2019 06 17.50931322 07 18.09 -39 43 21.4 16.47oVEQ002T08
AK17U070 C2019 06 17.51209322 07 17.47 -39 43 22.5 16.45oVEQ002T08
AK17U070 C2019 06 17.51769722 07 17.19 -39 43 24.0 16.58oVEQ002T08
AK17U070 C2019 06 17.52747422 07 16.85 -39 43 27.2 16.41oVEQ002T08
AK17U070 C2019 06 18.61134 22 06 22.13 -39 49 05.6 16.7 VqEQ002Q68
AK17U070 C2019 06 18.76597 22 06 14.15 -39 49 53.8 15.7 VqEQ002Q68
AK17U070 C2019 06 18.78735 22 06 13.01 -39 50 00.5 16.2 VqEQ002Q68
AK17U070 C2019 06 18.81173 22 06 11.78 -39 50 08.4 16.7 VqEQ002Q68
AK17U070 C2019 06 19.59139 22 05 31.60 -39 54 13.6 16.6 VqEQ002Q68
AK17U070 C2019 06 19.71076 22 05 25.30 -39 54 51.9 16.7 VqEQ002Q68
AK17U070 C2019 06 21.58595 22 03 45.53 -40 04 41.8 16.7 VqEQ002Q68
AK17U070 C2019 06 21.59059 22 03 45.29 -40 04 42.9 16.1 VqEQ002Q68
AK17U070 C2019 06 21.70494 22 03 39.01 -40 05 19.6 16.6 VqEQ002Q68
AK17U070 C2019 06 21.70723 22 03 38.88 -40 05 20.7 16.2 VqEQ002Q68
AK17U070 C2019 06 22.58192 22 02 50.93 -40 09 55.7 16.7 VqEQ002Q68
AK17U070 C2019 06 22.58612 22 02 50.71 -40 09 56.9 16.5 VqEQ002Q68
AK17U070 C2019 06 22.73021 22 02 42.63 -40 10 42.5 16.4 VqEQ002Q68
AK17U070 C2019 06 22.73879 22 02 42.14 -40 10 45.6 16.7 VqEQ002Q68
AK17U070 C2019 06 25.51342222 00 03.91 -40 25 19.7 16.04oVEQ002T08
AK17U070 C2019 06 25.51664822 00 03.72 -40 25 20.4 16.10oVEQ002T08
AK17U070 C2019 06 25.52668522 00 03.13 -40 25 23.8 16.21oVEQ002T08
AK17U070 C2019 06 25.53257222 00 02.76 -40 25 25.9 16.22oVEQ002T08
AK17U070 1C2019 06 30.59290 21 54 52.32 -40 51 37.6 VEQ002Q62
AK17U070 1C2019 06 30.59662 21 54 52.09 -40 51 38.9 16.0 GVEQ002Q62
AK17U070 C2019 07 01.49343221 53 54.21 -40 56 14.8 16.50cVEQ002T05
AK17U070 C2019 07 01.49617721 53 54.05 -40 56 15.7 16.33cVEQ002T05
AK17U070 C2019 07 01.50850221 53 53.21 -40 56 19.5 16.46cVEQ002T05
AK17U070 C2019 07 01.51357921 53 52.89 -40 56 21.0 16.51cVEQ002T05
AK17U070 _C2019 07 01.54848021 53 50.481-40 56 32.73 17.6 GVEQ002568
AK17U070 _C2019 07 01.54966321 53 50.404-40 56 33.07 17.6 GVEQ002568
AK17U070 _C2019 07 01.55085121 53 50.325-40 56 33.44 17.6 GVEQ002568
AK17U070 C2019 07 01.61030321 53 46.54 -40 56 49.5 16.9 GVEQ002474
AK17U070 C2019 07 01.61427821 53 46.27 -40 56 50.8 16.9 GVEQ002474
AK17U070 C2019 07 01.61825421 53 46.02 -40 56 51.9 16.8 GVEQ002474
AK17U070 C2019 07 03.49977021 51 41.75 -41 06 22.2 15.93oVEQ002T08
AK17U070 C2019 07 03.50301021 51 41.53 -41 06 23.1 15.93oVEQ002T08
AK17U070 C2019 07 03.51353921 51 40.80 -41 06 26.2 16.24oVEQ002T08
AK17U070 C2019 07 03.51863821 51 40.45 -41 06 27.8 16.15oVEQ002T08
AK17U070 C2019 07 05.53784721 49 22.83 -41 16 28.5 16.97cVEQ002T05
AK17U070 C2019 07 05.54105521 49 22.62 -41 16 29.2 16.45cVEQ002T05
AK17U070 C2019 07 05.54828521 49 22.12 -41 16 31.1 16.47cVEQ002T05
AK17U070 C2019 07 05.55857921 49 21.40 -41 16 34.5 16.49cVEQ002T05
AK17U070 C2019 07 06.51942321 48 14.52 -41 21 15.5 16.41cVEQ002T05
AK17U070 C2019 07 06.52483821 48 14.12 -41 21 16.9 16.48cVEQ002T05
AK17U070 C2019 07 06.53068821 48 13.74 -41 21 18.6 16.37cVEQ002T05
AK17U070 C2019 07 06.54323921 48 12.84 -41 21 22.2 16.42cVEQ002T05
AK17U070 C2019 07 07.50031321 47 05.33 -41 25 59.2 16.48cVEQ002T05
AK17U070 C2019 07 07.50353121 47 05.08 -41 25 59.8 16.43cVEQ002T05
AK17U070 C2019 07 07.50907321 47 04.71 -41 26 01.6 16.50cVEQ002T05
AK17U070 C2019 07 07.52004121 47 03.91 -41 26 04.6 16.48cVEQ002T05
AK17U070 _C2019 07 07.58170921 46 59.345-41 26 23.45 18.7 GVEQ002568
AK17U070 _C2019 07 07.58289521 46 59.256-41 26 23.85 18.9 GVEQ002568
AK17U070 C2019 07 10.48538621 43 28.98 -41 40 00.3 16.66oVEQ002T05
AK17U070 C2019 07 10.49122421 43 28.54 -41 40 01.6 16.55oVEQ002T05
AK17U070 C2019 07 10.49442421 43 28.36 -41 40 02.4 16.06oVEQ002T05
AK17U070 C2019 07 10.50485621 43 27.56 -41 40 05.3 16.05oVEQ002T05
AK17U070 C2019 07 15.42911021 37 13.63 -42 01 42.0 15.99oVEQ002T08
AK17U070 C2019 07 15.43198021 37 13.34 -42 01 42.8 16.14oVEQ002T08
AK17U070 C2019 07 15.43814121 37 12.87 -42 01 44.4 16.33oVEQ002T08
AK17U070 C2019 07 15.44797821 37 12.15 -42 01 46.9 15.85oVEQ002T08
AK17U070 4C2019 07 16.16516 21 36 15.96 -42 04 44.3 16.7 VqEQ002W88
AK17U070 4C2019 07 16.21031 21 36 12.39 -42 04 55.3 16.7 VqEQ002W88
AK17U070 C2019 07 21.53021021 29 03.83 -42 25 21.0 15.93oVEQ002T05
AK17U070 C2019 07 21.53066721 29 03.86 -42 25 21.0 15.93oVEQ002T05
AK17U070 C2019 07 21.53465721 29 03.53 -42 25 21.8 16.05oVEQ002T05
AK17U070 C2019 07 21.54184221 29 02.94 -42 25 23.2 16.06oVEQ002T05
AK17U070 C2019 07 22.47542 21 27 45.95 -42 28 37.0 16.3 VqEQ002Q68
AK17U070 C2019 07 22.61601 21 27 34.17 -42 29 06.8 16.3 VqEQ002Q68
AK17U070 C2019 07 25.47005 21 23 35.17 -42 38 23.5 16.2 VqEQ002Q68
AK17U070 C2019 07 25.60229 21 23 23.92 -42 38 48.1 16.3 VqEQ002Q68
AK17U070 C2019 07 31.44617721 15 02.74 -42 54 26.5 15.86oVEQ002T08
AK17U070 C2019 07 31.45657421 15 01.79 -42 54 28.4 16.09oVEQ002T08
AK17U070 C2019 07 31.45965321 15 01.56 -42 54 28.7 16.11oVEQ002T08
AK17U070 C2019 07 31.46544921 15 01.00 -42 54 29.7 16.10oVEQ002T08
AK17U070 C2019 08 04.41002221 09 17.11 -43 02 19.9 16.11oVEQ002T08
AK17U070 C2019 08 04.42487821 09 15.79 -43 02 21.7 16.14oVEQ002T08
AK17U070 C2019 08 04.43491121 09 14.86 -43 02 22.4 16.12oVEQ002T08
AK17U070 C2019 08 04.43857821 09 14.58 -43 02 22.8 16.05oVEQ002T08
AK17U070 C2019 08 08.46399221 03 21.89 -43 07 59.9 16.05oVEQ002T08
AK17U070 C2019 08 08.46725421 03 21.62 -43 08 00.0 15.89oVEQ002T08
AK17U070 C2019 08 08.47285521 03 21.12 -43 08 00.3 16.09oVEQ002T08
AK17U070 C2019 08 08.48261821 03 20.27 -43 08 00.9 16.09oVEQ002T08
Observer details:
474 Mount John Observatory, Lake Tekapo. Observers A. C. Gilmore,
P. M. Kilmartin. Measurer P. M. Kilmartin. 1.0-m f/7.7 reflector + CCD.
568 Mauna Kea. Observers K. J. Meech, J. Kleyna. Measurers M. Micheli,
J. Kleyna. 3.6-m Canada-France-Hawaii Telescope + CCD.
807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes.
1.00-m f/10.0 astrograph + CCD.
Q62 iTelescope Observatory, Siding Spring. Observer H. Sato.
0.51-m f/6.8 astrograph + CCD + f/4.5 focal reducer.
Q68 Blue Mountains Observatory, Leura. Observers P. Camilleri, H. Williams,
M. Al-Bussaidi, . Measurer P. Camilleri. 0.30-m f/5.4 reflector + CCD,
0.30-m f/3.0 reflector + 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, H. Weiland, B. Stalder, N. Erasmus.
0.5-m f/2.0 Schmidt + CCD, 0.5-m 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, H. Weiland, B. Stalder, N. Erasmus.
0.5-m f/2.0 Schmidt + CCD, 0.5-m reflector + CCD.
W88 Slooh.com Chile Observatory, La Dehesa. Observers G. Gasparovic, Y. Chen.
Measurers G. Gasparovic, Y. Chen, G. Y. Gasparovic.
0.35-m f/11 Schmidt-Cassegrain + CCD.
Orbital elements:
A/2017 U7
Epoch 2019 Aug. 25.0 TT = JDT 2458720.5
T 2019 Sept. 11.27213 TT Williams
q 6.4173258 (2000.0) P Q
z -0.0001212 Peri. 326.03138 +0.53149006 -0.59459915
+/-0.0000007 Node 276.23245 -0.57729608 -0.77546536
e 1.0007779 Incl. 142.63530 -0.61987705 +0.21238014
H 8.3
From 327 observations 2017 Aug. 18-2019 Aug. 8, mean residual 0".4.
A/2017 U7
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5
T 2019 Sept. 11.07696 TT Williams
q 6.4174334 (2000.0) P Q
z -0.0001022 Peri. 326.01431 +0.53166543 -0.59444393
+/-0.0000007 Node 276.23226 -0.57706687 -0.77563510
e 1.0006559 Incl. 142.63543 -0.61994008 +0.21219474
H 8.3
From 327 observations 2017 Aug. 18-2019 Aug. 8, mean residual 0".4.
Ephemeris:
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2019 07 17 21 35 10.1 -42 08 08 5.5391 6.4287 148.6 4.7 16.5
...
2019 08 01 21 14 14.6 -42 55 40 5.4931 6.4235 154.4 3.9 16.4
...
2019 08 09 21 02 35.1 -43 08 32 5.5025 6.4213 152.8 4.1 16.4
...
2019 08 15 20 53 52.9 -43 11 51 5.5250 6.4200 149.7 4.6 16.4
2019 08 16 20 52 26.7 -43 11 53 5.5300 6.4198 149.1 4.7 16.5
2019 08 17 20 51 00.9 -43 11 45 5.5354 6.4196 148.4 4.7 16.5
...
2019 08 23 20 42 35.8 -43 07 50 5.5748 6.4187 143.8 5.3 16.5
...
2019 08 31 20 31 57.4 -42 54 40 5.6460 6.4178 136.7 6.2 16.6
...
2019 09 15 20 14 35.6 -42 09 08 5.8292 6.4174 121.9 7.6 16.7
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-Q02
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