MPEC 2020-F58 : COMET C/2017 U7 (PANSTARRS)
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M.P.E.C. 2020-F58 Issued 2020 March 19, 02:30 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
COMET C/2017 U7 (PANSTARRS)
This object, originally designated A/2017 U7, has been found to display
cometary features. Reports are as follows:
OC Date Reporter Coma Tail PA Exposures
Q62 2018-04-27 H. Sato 6"x10"
Q62 2018-06-21 H. Sato 6"
Q67 2018-11-03 H. Sato 12" 15" 45 10x60s
474 2018-12-07 P. M. Kilmartin 10" 70
Q62 2019-03-27 H. Sato 12" 15" 80 8x60s
Q62 2019-06-30 H. Sato 15" 35" 90
W88 2019-07-16 G. Gasparovic 8" 75 12x50s
Q62 2019-08-05 M. Suzuki 15" 19" 75 4x60s
R57 2019-09-22 P. M. Kilmartin 100
Q62 2019-11-14 H. Sato 15" 50" 95 6x60s
Q62 2020-03-01 H. Sato 25" 40" 115
Observations:
CK17U070 C2017 08 18.53258 01 51 30.893-32 48 26.90 23.1 wLEF058F51
CK17U070 C2017 08 18.53969 01 51 30.686-32 48 30.15 23.0 wLEF058F51
CK17U070 C2017 08 18.55397 01 51 30.248-32 48 36.25 LEF058F51
CK17U070 C2017 09 13.47314 01 35 22.184-35 57 56.51 22.4 iLEF058F51
CK17U070 C2017 09 13.48241 01 35 21.784-35 58 00.16 21.9 iLEF058F51
CK17U070 C2017 09 13.49166 01 35 21.359-35 58 04.06 22.5 iLEF058F51
CK17U070 C2017 09 13.50093 01 35 20.903-35 58 08.01 22.8 iLEF058F51
CK17U070 C2017 10 07.39378 01 14 51.282-38 15 13.58 20.9 iLEF058F51
CK17U070 C2017 10 07.40278 01 14 50.783-38 15 15.88 21.0 iLEF058F51
CK17U070 C2017 10 07.41178 01 14 50.279-38 15 18.41 20.8 iLEF058F51
CK17U070 C2017 10 07.42079 01 14 49.770-38 15 20.73 20.8 iLEF058F51
CK17U070* C2017 10 29.32588 00 54 27.777-39 20 56.27 20.1 iLEF058F51
CK17U070 C2017 10 29.33443 00 54 27.308-39 20 56.82 20.1 iLEF058F51
CK17U070 C2017 10 29.34296 00 54 26.848-39 20 57.72 20.1 iLEF058F51
CK17U070 |C2017 10 30.19858 00 53 40.47 -39 22 10.9 20.3 VuEF058807
CK17U070 |C2017 10 30.20160 00 53 40.29 -39 22 11.1 20.3 VuEF058807
CK17U070 |C2017 10 30.20461 00 53 40.14 -39 22 11.4 20.3 VuEF058807
CK17U070 |C2017 10 31.06191 00 52 54.02 -39 23 19.3 19.9 VuEF058807
CK17U070 |C2017 10 31.06392 00 52 53.90 -39 23 19.4 20.1 VuEF058807
CK17U070 |C2017 10 31.06596 00 52 53.79 -39 23 19.6 20.1 VuEF058807
CK17U070 |C2017 10 31.06798 00 52 53.67 -39 23 19.8 20.1 VuEF058807
CK17U070 |C2017 11 01.11730 00 51 57.42 -39 24 35.0 20.2 GUEF058807
CK17U070 |C2017 11 01.11933 00 51 57.32 -39 24 35.1 20.1 GUEF058807
CK17U070 |C2017 11 01.12135 00 51 57.20 -39 24 35.2 20.0 GUEF058807
CK17U070 |C2017 11 06.19763 00 47 31.00 -39 28 33.9 20.1 GUEF058807
CK17U070 |C2017 11 06.20227 00 47 30.76 -39 28 34.1 20.1 GUEF058807
CK17U070 |C2017 11 06.20672 00 47 30.53 -39 28 34.2 20.1 GUEF058807
CK17U070 C2017 11 06.28926 00 47 26.350-39 28 37.14 20.0 iLEF058F51
CK17U070 C2017 11 06.29896 00 47 25.845-39 28 37.55 20.3 iLEF058F51
CK17U070 C2017 11 06.30865 00 47 25.331-39 28 37.69 20.5 iLEF058F51
CK17U070 C2017 11 06.31835 00 47 24.826-39 28 37.87 20.3 iLEF058F51
CK17U070 1C2017 11 07.43401 00 46 27.86 -39 29 01.7 vEF058Q62
CK17U070 1C2017 11 07.43652 00 46 27.76 -39 29 01.6 vEF058Q62
CK17U070 1C2017 11 07.43903 00 46 27.64 -39 29 01.5 19.2 wvEF058Q62
CK17U070 C2017 11 22.25466 00 34 52.856-39 20 04.39 20.2 wLEF058F51
CK17U070 C2017 11 22.26450 00 34 52.434-39 20 03.59 20.2 wLEF058F51
CK17U070 C2017 11 22.27434 00 34 52.022-39 20 02.78 20.2 wLEF058F51
CK17U070 C2017 11 22.28417 00 34 51.598-39 20 01.84 20.3 wLEF058F51
CK17U070 4C2017 11 22.47907 00 34 43.31 -39 19 43.8 19.8 RvEF058E10
CK17U070 4C2017 11 22.48125 00 34 43.22 -39 19 43.6 19.8 RvEF058E10
CK17U070 4C2017 11 22.48343 00 34 43.13 -39 19 43.5 19.7 RvEF058E10
CK17U070 _C2017 11 24.28167200 33 28.218-39 16 56.59 20.3 GUEF058568
CK17U070 _C2017 11 24.28303400 33 28.164-39 16 56.47 20.2 GUEF058568
CK17U070 _C2017 11 24.28421400 33 28.109-39 16 56.39 20.3 GUEF058568
CK17U070 C2017 12 01.04379200 29 06.15 -39 03 36.3 19.1 RtEF058W85
CK17U070 C2017 12 01.04637100 29 06.08 -39 03 35.6 19.0 RtEF058W85
CK17U070 C2017 12 01.04895100 29 05.96 -39 03 35.7 18.9 RtEF058W85
CK17U070 C2017 12 01.05153100 29 05.86 -39 03 35.1 18.9 RtEF058W85
CK17U070 C2017 12 08.17669200 25 05.06 -38 45 19.9 19.3 RtEF058W87
CK17U070 C2017 12 08.17997000 25 04.97 -38 45 19.5 18.8 RtEF058W87
CK17U070 C2017 12 08.18325200 25 04.86 -38 45 18.9 18.7 RtEF058W87
CK17U070 C2017 12 08.18653400 25 04.76 -38 45 18.1 19.3 RtEF058W87
CK17U070 KC2017 12 18.82050800 20 14.927-38 11 39.16 19.2 GUEF058J04
CK17U070 KC2017 12 18.82491400 20 14.832-38 11 38.13 19.1 GUEF058J04
CK17U070 KC2017 12 18.82931700 20 14.717-38 11 37.20 19.3 GUEF058J04
CK17U070 |C2017 12 22.09066 00 19 02.42 -38 00 03.6 19.8 VuEF058807
CK17U070 |C2017 12 22.09532 00 19 02.32 -38 00 02.8 19.9 VuEF058807
CK17U070 |C2017 12 22.09997 00 19 02.22 -38 00 01.6 19.9 VuEF058807
CK17U070 |C2017 12 25.04511 00 18 03.63 -37 49 12.9 19.6 VuEF058807
CK17U070 |C2017 12 25.04975 00 18 03.53 -37 49 12.1 19.7 VuEF058807
CK17U070 |C2017 12 25.05440 00 18 03.46 -37 49 11.0 19.6 VuEF058807
CK17U070 KC2017 12 30.07204 00 16 37.79 -37 30 05.2 19.1 RoEF058291
CK17U070 KC2017 12 30.08498 00 16 37.58 -37 30 02.2 19.7 RoEF058291
CK17U070 KC2017 12 30.09792 00 16 37.33 -37 29 59.6 19.8 RoEF058291
CK17U070 |C2018 01 03.06884 00 15 41.76 -37 14 22.4 19.4 GUEF058807
CK17U070 |C2018 01 03.07357 00 15 41.70 -37 14 21.2 19.5 GUEF058807
CK17U070 |C2018 01 03.07851 00 15 41.64 -37 14 20.0 19.5 GUEF058807
CK17U070 1C2018 01 06.43679 00 15 02.77 -37 00 52.8 vEF058Q62
CK17U070 1C2018 01 06.43928 00 15 02.72 -37 00 52.4 vEF058Q62
CK17U070 1C2018 01 06.44176 00 15 02.67 -37 00 52.1 19.3 wvEF058Q62
CK17U070 |C2018 01 09.05225 00 14 37.43 -36 50 17.9 19.6 VuEF058807
CK17U070 |C2018 01 09.05685 00 14 37.39 -36 50 16.8 19.6 VuEF058807
CK17U070 |C2018 01 11.05359 00 14 20.98 -36 42 08.9 19.7 VuEF058807
CK17U070 |C2018 01 11.05822 00 14 20.94 -36 42 07.7 19.5 VuEF058807
CK17U070 |C2018 01 11.06288 00 14 20.90 -36 42 06.5 19.4 VuEF058807
CK17U070 |C2018 01 20.05253 00 13 36.25 -36 05 18.7 19.5 GUEF058807
CK17U070 |C2018 01 20.05556 00 13 36.24 -36 05 18.0 19.6 GUEF058807
CK17U070 |C2018 01 20.05892 00 13 36.24 -36 05 17.2 19.5 GUEF058807
CK17U070 |C2018 01 26.04131 00 13 31.07 -35 41 00.7 18.9 GUEF058807
CK17U070 |C2018 01 26.04472 00 13 31.07 -35 41 00.0 19.3 GUEF058807
CK17U070 |C2018 01 26.04814 00 13 31.07 -35 40 59.1 19.3 GUEF058807
CK17U070 |C2018 01 28.04406 00 13 33.36 -35 32 59.5 19.0 GUEF058807
CK17U070 |C2018 01 28.04783 00 13 33.36 -35 32 58.8 19.1 GUEF058807
CK17U070 |C2018 01 28.05163 00 13 33.35 -35 32 57.5 19.0 GUEF058807
CK17U070 |C2018 02 10.04925 00 14 31.39 -34 42 50.1 19.1 GUEF058807
CK17U070 |C2018 02 10.05179 00 14 31.40 -34 42 49.5 19.2 GUEF058807
CK17U070 |C2018 02 10.05468 00 14 31.42 -34 42 48.8 19.3 GUEF058807
CK17U070 1C2018 04 27.79278 00 31 58.51 -32 33 17.4 vEF058Q62
CK17U070 1C2018 04 27.79729 00 31 58.57 -32 33 17.3 18.2 wvEF058Q62
CK17U070 $C2018 06 17.36400 00 34 59.35 -35 27 02.3 17.4 RoEF058W88
CK17U070 $C2018 06 17.37872 00 34 59.22 -35 27 07.8 17.6 RoEF058W88
CK17U070 1C2018 06 21.72205 00 34 10.73 -35 53 32.0 vEF058Q62
CK17U070 1C2018 06 21.72540 00 34 10.69 -35 53 33.4 17.7 wvEF058Q62
CK17U070 C2018 07 12.57539 00 26 49.62 -38 21 16.8 17.5 oUEF058T08
CK17U070 C2018 07 12.57634 00 26 49.61 -38 21 17.2 17.4 oUEF058T08
CK17U070 C2018 07 12.57910 00 26 49.53 -38 21 18.5 18.0 oUEF058T08
CK17U070 C2018 07 12.58555 00 26 49.33 -38 21 21.4 17.6 oUEF058T08
CK17U070 C2018 07 12.58601 00 26 49.28 -38 21 21.6 17.7 oUEF058T08
CK17U070 C2018 07 12.59154 00 26 49.11 -38 21 23.8 17.6 oUEF058T08
CK17U070 C2018 07 12.60259 00 26 48.82 -38 21 29.4 17.6 oUEF058T08
CK17U070 C2018 07 16.57579 00 24 40.95 -38 52 43.9 17.7 oUEF058T08
CK17U070 C2018 07 16.58365 00 24 40.65 -38 52 47.1 17.6 oUEF058T08
CK17U070 C2018 07 16.59152 00 24 40.40 -38 52 50.5 17.5 oUEF058T08
CK17U070 C2018 07 16.59936 00 24 40.12 -38 52 54.3 17.8 oUEF058T08
CK17U070 C2018 07 20.55872 00 22 17.38 -39 24 39.3 17.6 oUEF058T08
CK17U070 C2018 07 20.57072 00 22 16.97 -39 24 44.2 17.7 oUEF058T08
CK17U070 C2018 07 20.57900 00 22 16.73 -39 24 49.4 17.1 oUEF058T08
CK17U070 C2018 07 20.58038 00 22 16.64 -39 24 48.5 17.4 oUEF058T08
CK17U070 C2018 07 22.54121 00 21 00.28 -39 40 41.9 17.4 oUEF058T05
CK17U070 C2018 07 22.54907 00 20 59.94 -39 40 45.8 17.4 oUEF058T05
CK17U070 C2018 07 22.55688 00 20 59.62 -39 40 49.6 17.8 oUEF058T05
CK17U070 C2018 07 22.56468 00 20 59.30 -39 40 53.4 17.3 oUEF058T05
CK17U070 $C2018 07 23.29589 00 20 29.84 -39 46 48.4 17.1 RoEF058W88
CK17U070 $C2018 07 23.31679 00 20 29.02 -39 46 58.8 17.0 RoEF058W88
CK17U070 $C2018 08 04.26769 00 11 11.20 -41 24 20.9 17.5 RoEF058W88
CK17U070 $C2018 08 04.30603 00 11 09.11 -41 24 39.2 17.5 RoEF058W88
CK17U070 C2018 08 13.50651 00 02 23.01 -42 37 08.4 17.4 oUEF058T08
CK17U070 C2018 08 13.51710 00 02 22.37 -42 37 13.1 17.2 oUEF058T08
CK17U070 C2018 08 13.52312 00 02 21.97 -42 37 16.1 17.3 oUEF058T08
CK17U070 C2018 08 13.52958 00 02 21.62 -42 37 18.7 17.3 oUEF058T08
CK17U070 $C2018 08 16.36489 23 59 23.20 -42 58 36.5 17.1 RoEF058W88
CK17U070 $C2018 08 16.37875 23 59 22.29 -42 58 43.3 16.8 RoEF058W88
CK17U070 C2018 09 20.43971 23 15 39.95 -46 01 46.0 17.3 oUEF058T05
CK17U070 C2018 09 20.44937 23 15 39.15 -46 01 47.3 16.7 oUEF058T05
CK17U070 C2018 09 20.45534 23 15 38.70 -46 01 48.1 17.4 oUEF058T05
CK17U070 C2018 10 02.36483 23 00 13.79 -46 18 45.0 17.2 oUEF058T05
CK17U070 C2018 10 02.37096 23 00 13.29 -46 18 45.5 17.1 oUEF058T05
CK17U070 C2018 10 02.37965 23 00 12.63 -46 18 45.5 17.1 oUEF058T05
CK17U070 C2018 10 02.39245 23 00 11.67 -46 18 45.4 16.9 oUEF058T05
CK17U070 C2018 10 06.62507 22 54 58.59 -46 18 56.0 16.9 RqEF058323
CK17U070 C2018 10 06.65217 22 54 56.65 -46 18 55.4 17.0 RqEF058323
CK17U070 C2018 10 08.54441 22 52 40.53 -46 18 03.4 16.8 RqEF058323
CK17U070 C2018 10 08.57813 22 52 38.11 -46 18 02.2 17.0 RqEF058323
CK17U070 C2018 10 08.60109 22 52 36.45 -46 18 01.5 17.0 RqEF058323
CK17U070 KC2018 10 09.58844 22 51 26.48 -46 17 21.1 16.4 RqEF058323
CK17U070 KC2018 10 09.64331 22 51 22.59 -46 17 18.7 17.1 RqEF058323
CK17U070 2C2018 10 25.55416 22 34 29.77 -45 47 03.6 17.7 RqEF058Q62
CK17U070 2C2018 10 25.55670 22 34 29.64 -45 47 02.9 17.4 RqEF058Q62
CK17U070 2C2018 10 25.55923 22 34 29.50 -45 47 02.4 17.5 RqEF058Q62
CK17U070 C2018 11 01.42502 22 28 28.19 -45 24 40.6 17.2 RqEF058Q64
CK17U070 C2018 11 01.42691 22 28 28.09 -45 24 40.2 17.2 RqEF058Q64
CK17U070 KC2018 11 03.40806 22 26 53.02 -45 17 22.5 VEF058Q67
CK17U070 KC2018 11 03.41069 22 26 52.91 -45 17 22.0 VEF058Q67
CK17U070 KC2018 11 03.41332 22 26 52.75 -45 17 21.7 17.0 GVEF058Q67
CK17U070 $C2018 11 06.03174 22 24 53.36 -45 07 11.2 17.2 RoEF058W88
CK17U070 $C2018 11 06.05257 22 24 52.43 -45 07 06.7 17.0 RoEF058W88
CK17U070 C2018 11 08.51937 22 23 06.80 -44 57 03.5 17.0 RqEF058323
CK17U070 C2018 11 08.56982 22 23 04.66 -44 56 50.7 17.0 RqEF058323
CK17U070 $C2018 11 16.05642 22 18 23.57 -44 23 50.3 16.7 RoEF058W88
CK17U070 $C2018 11 16.08404 22 18 22.66 -44 23 43.6 16.9 RoEF058W88
CK17U070 C2018 12 07.46343 22 10 04.26 -42 37 10.8 17.7 GVEF058474
CK17U070 C2018 12 07.46743 22 10 04.19 -42 37 09.4 17.8 GVEF058474
CK17U070 C2018 12 07.47143 22 10 04.15 -42 37 08.1 17.7 GVEF058474
CK17U070 1C2019 03 27.78652 22 26 08.13 -36 04 44.3 VEF058Q62
CK17U070 1C2019 03 27.79010 22 26 08.18 -36 04 44.2 16.9 GVEF058Q62
CK17U070 C2019 10 09.25341019 55 18.32 -40 19 18.5 16.35oVEF058T05
CK17U070 C2019 10 09.25669619 55 18.22 -40 19 17.8 16.35oVEF058T05
CK17U070 C2019 10 09.26278319 55 17.99 -40 19 16.0 16.25oVEF058T05
CK17U070 C2019 10 09.27307219 55 17.56 -40 19 12.9 16.96oVEF058T05
CK17U070 C2019 10 15.20089119 52 15.84 -39 49 07.9 16.83oVEF058T08
CK17U070 C2019 10 15.20630819 52 15.72 -39 49 06.2 16.43oVEF058T08
CK17U070 C2019 10 15.21015519 52 15.62 -39 49 05.0 16.35oVEF058T08
CK17U070 C2019 10 15.22251319 52 15.26 -39 49 01.3 16.40oVEF058T08
CK17U070 C2019 10 17.21485119 51 22.57 -39 38 48.6 16.85cVEF058T05
CK17U070 C2019 10 17.21805719 51 22.49 -39 38 47.6 16.67cVEF058T05
CK17U070 C2019 10 17.22401319 51 22.28 -39 38 45.6 16.65cVEF058T05
CK17U070 C2019 10 17.23751519 51 21.93 -39 38 41.5 16.64cVEF058T05
CK17U070 C2019 10 17.25632919 51 21.42 -39 38 35.8 17.09cVEF058T05
CK17U070 C2019 10 21.21187619 49 48.86 -39 18 14.3 17.45cVEF058T05
CK17U070 C2019 10 21.21514819 49 48.74 -39 18 13.5 17.05cVEF058T05
CK17U070 C2019 10 21.22532519 49 48.54 -39 18 10.2 16.61cVEF058T05
CK17U070 C2019 10 21.23246719 49 48.39 -39 18 08.1 17.21cVEF058T05
CK17U070 C2019 10 23.21824819 49 07.71 -39 07 54.0 16.43oVEF058T08
CK17U070 C2019 10 23.22150519 49 07.67 -39 07 52.8 16.32oVEF058T08
CK17U070 C2019 10 23.22749019 49 07.51 -39 07 51.0 16.51oVEF058T08
CK17U070 C2019 10 23.23768119 49 07.27 -39 07 47.9 16.89oVEF058T08
CK17U070 C2019 10 25.20851519 48 30.76 -38 57 38.6 17.06cVEF058T05
CK17U070 C2019 10 25.21225819 48 30.74 -38 57 37.4 16.48cVEF058T05
CK17U070 C2019 10 25.21828119 48 30.60 -38 57 35.6 16.57cVEF058T05
CK17U070 C2019 10 25.22809819 48 30.45 -38 57 32.8 16.48cVEF058T05
CK17U070 1C2019 11 14.41553 19 45 27.77 -37 15 33.8 VEF058Q62
CK17U070 1C2019 11 14.41811 19 45 27.75 -37 15 32.9 16.2 GVEF058Q62
CK17U070 C2019 11 24.38889319 45 45.61 -36 27 42.5 17.7 GVEF058474
CK17U070 C2019 11 24.39289319 45 45.61 -36 27 40.7 16.6 GVEF058474
CK17U070 C2019 11 24.39689319 45 45.59 -36 27 39.4 17.6 GVEF058474
CK17U070 C2019 11 27.46929 19 46 02.79 -36 13 20.2 16.8 GVEF058Q38
CK17U070 C2019 11 27.47241 19 46 02.81 -36 13 20.7 16.8 GVEF058Q38
CK17U070 C2019 11 27.47479 19 46 02.81 -36 13 18.2 16.7 GVEF058Q38
Observer details:
291 LPL/Spacewatch II. Observer T. H. Bressi. 1.8-m f/2.7 reflector + CCD.
323 Perth Observatory, Bickley. Observers P. Camilleri, J. Oey. Measurer P.
Camilleri. 0.35-m f/5 reflector + CCD, 0.40-m f/5 reflector + CCD.
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, C. Wipper. 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, 0.61-m f/6.5 astrograph + CCD.
E10 Siding Spring-Faulkes Telescope South. Observers P. Miller, E. Gomez, R.
Holmes, R. Miles, T. Linder, L. Buzzi, S. Fogli. Measurers S. Foglia, L.
Buzzi. 2.0-m f/10.0 Ritchey-Chretien + 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.
J04 ESA Optical Ground Station, Tenerife. Observer D. Abreu. Measurers M.
Micheli, D. Koschny, A. Knofel, M. Busch, E. Schwab. 1.0-m f/4.4
reflector + CCD.
Q38 Swan Hill. Observer M. Mattiazzo.
Q62 iTelescope Observatory, Siding Spring. Observers H. Sato, M. Urbanik.
0.51-m f/6.8 astrograph + CCD + f/4.5 focal reducer, 0.43-m f/6.8
astrograph + CCD.
Q64 Siding Spring-LCO B. Observer A. Hale. Measurer R. Miles. 1.0-m f/8.0
Ritchey-Chretien + CCD.
Q67 JBL Observatory, Bathurst. Observer H. Sato. 0.32-m f/9.1 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, H. Weiland, B. Stalder, J. Robinson, 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, J. Robinson, N. Erasmus.
0.5-m f/2.0 Schmidt + CCD, 0.5-m reflector + CCD.
W85 Cerro Tololo-LCO A. Observers J. D. Armstrong, Z. N. Teagarden, S. W.
Ryden. 1.0-m f/8 Ritchey-Chretien + CCD.
W87 Cerro Tololo-LCO C. Observers J. D. Armstrong, S. R. Moss. 1.0-m f/8
Ritchey-Chretien + CCD.
W88 Slooh.com Chile Observatory, La Dehesa. Observers A. Kocsis, A. Nagy
Melykuti, K. Sarneczky, T. Zalezsak. 0.36-m Schmidt-Cassegrain + CCD.
Orbital elements:
C/2017 U7 (PANSTARRS)
Epoch 2019 Aug. 25.0 TT = JDT 2458720.5
T 2019 Sept. 11.28245 TT Rudenko
q 6.4172623 (2000.0) P Q
z -0.0001178 Peri. 326.03234 +0.53147923 -0.59460904
+/-0.0000005 Node 276.23238 -0.57730973 -0.77545492
e 1.0007557 Incl. 142.63532 -0.61987362 +0.21239057
From 188 observations 2017 Aug. 18-2019 Nov. 27, mean residual 0".4.
C/2017 U7 (PANSTARRS)
Epoch 2020 May 31.0 TT = JDT 2459000.5
T 2019 Sept. 13.30088 TT Rudenko
q 6.4195909 (2000.0) P Q
z -0.0004761 Peri. 326.20760 +0.52966365 -0.59601195
+/-0.0000005 Node 276.23971 -0.57957717 -0.77381470
e 1.0030561 Incl. 142.61931 -0.61931149 +0.21443082
From 188 observations 2017 Aug. 18-2019 Nov. 27, mean residual 0".4.
Ephemeris:
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2020 02 18 20 07 21.3 -31 18 58 7.3158 6.5078 32.8 4.7 17.0
...
2020 03 04 20 10 07.1 -30 46 19 7.1681 6.5254 46.5 6.3 16.9
...
2020 03 12 20 10 57.9 -30 31 56 7.0695 6.5354 54.0 7.1 16.9
...
2020 03 18 20 11 15.4 -30 22 35 6.9878 6.5432 59.8 7.6 16.9
2020 03 19 20 11 16.5 -30 21 09 6.9736 6.5445 60.7 7.6 16.9
2020 03 20 20 11 17.0 -30 19 45 6.9593 6.5458 61.7 7.7 16.9
...
2020 03 26 20 11 07.7 -30 12 03 6.8702 6.5539 67.5 8.1 16.8
...
2020 04 03 20 10 20.1 -30 03 42 6.7451 6.5651 75.4 8.5 16.8
...
2020 04 18 20 06 49.3 -29 53 36 6.4991 6.5872 90.6 8.8 16.8
M. P. C. Staff (C) Copyright 2020 MPC M.P.E.C. 2020-F58
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