MPEC 2017-U238: COMET C/2017 T3 (ATLAS)
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M.P.E.C. 2017-U238 Issued 2017 Oct. 28, 03:24 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 T3 (ATLAS)
Observations:
CK17T030 C2017 09 11.55827 00 20 04.325+83 58 06.54 19.3 TLEU238F51
CK17T030 C2017 10 14.35217 21 43 31.92 +81 00 46.7 18.3 TLEU238T05
CK17T030 C2017 10 14.35446 21 43 31.45 +81 00 45.6 18.4 TLEU238T05
CK17T030 C2017 10 14.37036 21 43 29.49 +81 00 33.5 18.5 TLEU238T05
CK17T030 C2017 10 14.37219 21 43 29.24 +81 00 32.4 18.7 TLEU238T05
CK17T030 |C2017 10 18.15508 21 36 38.31 +80 12 22.9 vEU238H06
CK17T030 |C2017 10 18.15711 21 36 38.17 +80 12 21.3 vEU238H06
CK17T030 |C2017 10 18.15912 21 36 37.95 +80 12 19.5 17.7 TvEU238H06
CK17T030 |C2017 10 18.27885 21 36 27.02 +80 10 44.1 vEU238H06
CK17T030 |C2017 10 18.28085 21 36 26.78 +80 10 42.2 vEU238H06
CK17T030 |C2017 10 18.28285 21 36 26.53 +80 10 40.7 18.1 TvEU238H06
CK17T030 KC2017 10 18.72914 21 35 47.88 +80 04 42.3 17.9 ToEU238K88
CK17T030 C2017 10 18.72972 21 35 47.74 +80 04 41.9 18.6 TrEU238106
CK17T030 KC2017 10 18.73453 21 35 47.38 +80 04 37.9 17.9 ToEU238K88
CK17T030 KC2017 10 18.73974 21 35 46.92 +80 04 33.8 17.9 ToEU238K88
CK17T030 C2017 10 18.74001 21 35 47.09 +80 04 33.3 17.9 TrEU238106
CK17T030 KC2017 10 18.74440 21 35 46.27 +80 04 29.8 17.8 TqEU238585
CK17T030 KC2017 10 18.74461 21 35 46.49 +80 04 29.8 17.9 ToEU238K88
CK17T030 KC2017 10 18.74511 21 35 46.22 +80 04 29.1 17.9 TqEU238585
CK17T030 KC2017 10 18.74582 21 35 46.34 +80 04 28.2 17.9 TqEU238585
CK17T030 KC2017 10 18.74653 21 35 46.25 +80 04 27.5 17.9 TqEU238585
CK17T030 C2017 10 18.75030 21 35 46.43 +80 04 26.9 19.5 TrEU238106
CK17T030 KC2017 10 18.82802 21 35 38.97 +80 03 22.6 18.1 ToEU238K88
CK17T030 KC2017 10 18.83289 21 35 38.54 +80 03 18.6 18.1 ToEU238K88
CK17T030 KC2017 10 18.83776 21 35 38.10 +80 03 14.6 18.0 ToEU238K88
CK17T030 KC2017 10 18.84402 21 35 37.69 +80 03 09.7 18.0 ToEU238B67
CK17T030 KC2017 10 18.85126 21 35 37.31 +80 03 03.9 17.7 ToEU238B67
CK17T030 KC2017 10 18.85848 21 35 36.76 +80 02 58.2 17.6 ToEU238B67
CK17T030 KC2017 10 18.87023 21 35 35.39 +80 02 48.6 tEU238K63
CK17T030 KC2017 10 18.87859 21 35 34.60 +80 02 41.1 tEU238K63
CK17T030 KC2017 10 18.88387 21 35 34.51 +80 02 36.8 tEU238K63
CK17T030 9C2017 10 20.89489 21 33 00.71 +79 35 01.8 17.9 TUEU238G40
CK17T030 9C2017 10 20.90092 21 33 00.32 +79 34 56.2 18.1 TUEU238G40
CK17T030 9C2017 10 20.90610 21 32 59.87 +79 34 52.2 UEU238G40
CK17T030 9C2017 10 20.93647 21 32 57.88 +79 34 26.4 17.9 TUEU238G40
CK17T030 9C2017 10 20.94317 21 32 57.33 +79 34 21.0 18.0 TUEU238G40
CK17T030 9C2017 10 20.95538 21 32 56.66 +79 34 10.2 UEU238G40
CK17T030 KC2017 10 20.96726 21 32 56.55 +79 33 59.6 17.3 TqEU238K61
CK17T030 KC2017 10 20.97435 21 32 55.43 +79 33 53.8 17.5 TqEU238K61
CK17T030 KC2017 10 21.04207 21 32 50.63 +79 32 55.5 18.0 TUEU238104
CK17T030 KC2017 10 21.05483 21 32 49.77 +79 32 44.7 18.1 TUEU238104
CK17T030 eC2017 10 21.07606 21 32 49.02 +79 32 29.0 18.2 TqEU238H06
CK17T030 eC2017 10 21.08486 21 32 48.45 +79 32 21.7 18.1 TqEU238H06
CK17T030 KC2017 10 21.69818 21 32 08.45 +79 23 41.7 18.0 TqEU238C42
CK17T030 KC2017 10 21.70648 21 32 07.77 +79 23 34.2 18.2 TqEU238C42
CK17T030 KC2017 10 21.71476 21 32 07.50 +79 23 26.9 17.9 TqEU238C42
CK17T030 KC2017 10 22.16597 21 31 40.55 +79 16 59.8 17.8 TdEU238A77
CK17T030 KC2017 10 22.17165 21 31 40.00 +79 16 54.5 17.5 TdEU238A77
CK17T030 KC2017 10 22.17732 21 31 39.70 +79 16 49.1 17.3 TdEU238A77
CK17T030 *C2017 10 22.26392 21 31 34.40 +79 15 38.3 17.9 TqEU238H06
CK17T030 *C2017 10 22.26948 21 31 34.19 +79 15 33.0 18.2 TqEU238H06
CK17T030 *C2017 10 22.27503 21 31 33.90 +79 15 28.0 18.2 TqEU238H06
CK17T030 KC2017 10 22.80768 21 31 05.02 +79 07 48.8 18.6 TqEU238C77
CK17T030 KC2017 10 22.82192 21 31 04.24 +79 07 36.3 18.0 TqEU238C77
CK17T030 KC2017 10 22.82924221 31 03.89 +79 07 29.5 17.8 TUEU238Z80
CK17T030 KC2017 10 22.83347421 31 03.53 +79 07 26.5 18.1 TUEU238Z80
CK17T030 KC2017 10 22.83686 21 31 03.38 +79 07 24.1 18.3 TqEU238C77
CK17T030 KC2017 10 22.83770321 31 03.20 +79 07 21.7 17.6 TUEU238Z80
CK17T030 KC2017 10 22.84193121 31 02.99 +79 07 19.3 17.8 TUEU238Z80
CK17T030 KC2017 10 22.84616121 31 02.66 +79 07 15.4 18.0 TUEU238Z80
CK17T030 KC2017 10 22.85038821 31 02.23 +79 07 11.5 18.0 TUEU238Z80
CK17T030 KC2017 10 23.07142 21 30 51.48 +79 04 01.7 18.1 TqEU238G48
CK17T030 KC2017 10 23.07560 21 30 50.77 +79 03 57.7 18.0 TqEU238G48
CK17T030 KC2017 10 23.07977 21 30 51.09 +79 03 51.6 18.7 TqEU238G48
CK17T030 `C2017 10 23.08653 21 30 50.32 +79 03 47.3 18.0 TcEU238H06
CK17T030 `C2017 10 23.09228 21 30 50.23 +79 03 42.4 17.6 TcEU238H06
CK17T030 `C2017 10 23.09447 21 30 50.02 +79 03 40.6 17.6 TcEU238H06
CK17T030 `C2017 10 23.09667 21 30 49.86 +79 03 38.2 17.6 TcEU238H06
CK17T030 OC2017 10 23.19990 21 30 44.04 +79 02 07.1 17.8 TqEU238H06
CK17T030 OC2017 10 23.20148 21 30 43.99 +79 02 06.1 17.7 TqEU238H06
CK17T030 OC2017 10 23.20300 21 30 43.93 +79 02 04.6 17.4 TqEU238H06
CK17T030 OC2017 10 23.20450 21 30 43.80 +79 02 03.5 18.0 TqEU238H06
CK17T030 OC2017 10 23.20601 21 30 43.65 +79 02 02.0 17.6 TqEU238H06
CK17T030 OC2017 10 23.20751 21 30 43.56 +79 02 00.9 17.9 TqEU238H06
CK17T030 AC2017 10 23.22143 21 30 42.97 +79 01 49.1 18.5 TqEU238H06
CK17T030 AC2017 10 23.22335 21 30 42.67 +79 01 47.7 18.6 TqEU238H06
CK17T030 KC2017 10 23.76751 21 30 16.90 +78 53 50.0 17.9 TUEU238107
CK17T030 KC2017 10 23.78931 21 30 15.68 +78 53 31.0 18.3 TUEU238107
CK17T030 KC2017 10 23.79670 21 30 15.53 +78 53 24.0 18.0 TUEU238107
CK17T030 KC2017 10 23.91204 21 30 09.66 +78 51 42.7 18.1 TqEU238J22
CK17T030 KC2017 10 23.91596 21 30 09.48 +78 51 39.5 18.2 TqEU238J22
CK17T030 KC2017 10 23.91989 21 30 09.31 +78 51 36.0 18.2 TqEU238J22
CK17T030 C2017 10 24.78913 21 29 32.48 +78 38 43.9 18.8 TqEU238511
CK17T030 C2017 10 24.81518 21 29 31.46 +78 38 21.2 19.2 TqEU238511
CK17T030 C2017 10 24.82766 21 29 30.71 +78 38 08.8 19.4 TqEU238511
CK17T030 1C2017 10 25.20171 21 29 17.25 +78 32 33.7 EU238658
CK17T030 1C2017 10 25.20389 21 29 17.15 +78 32 31.8 EU238658
CK17T030 1C2017 10 25.20497 21 29 17.06 +78 32 30.8 EU238658
CK17T030 C2017 10 25.45317 21 29 07.83 +78 28 46.1 18.2 TmEU238P93
CK17T030 C2017 10 25.45812 21 29 07.71 +78 28 40.9 18.3 TmEU238P93
CK17T030 C2017 10 25.48688 21 29 06.28 +78 28 16.1 18.2 TqEU238900
CK17T030 C2017 10 25.50053 21 29 05.77 +78 28 03.1 18.0 TqEU238900
CK17T030 C2017 10 25.51539 21 29 05.25 +78 27 49.4 17.6 TqEU238900
CK17T030 C2017 10 25.52608 21 29 04.95 +78 27 40.3 18.2 TmEU238P93
CK17T030 C2017 10 25.52787 21 29 04.80 +78 27 38.6 18.1 TmEU238P93
CK17T030 C2017 10 25.52966 21 29 04.96 +78 27 36.5 18.1 TmEU238P93
CK17T030 KC2017 10 25.73035 21 28 58.17 +78 24 35.8 18.5 TqEU238511
CK17T030 C2017 10 25.73919 21 28 57.81 +78 24 27.6 18.5 TqEU238511
CK17T030 C2017 10 25.74380 21 28 57.60 +78 24 23.5 18.8 TqEU238511
CK17T030 KC2017 10 25.76275 21 28 57.14 +78 24 05.5 18.8 TUEU238K74
CK17T030 KC2017 10 25.76705 21 28 56.96 +78 24 01.9 18.4 TUEU238K74
CK17T030 C2017 10 25.76913 21 28 56.81 +78 24 00.4 18.7 TqEU238511
CK17T030 C2017 10 25.78295 21 28 56.18 +78 23 47.7 18.8 TqEU238511
CK17T030 KC2017 10 25.78786 21 28 56.23 +78 23 43.0 18.1 TUEU238K74
CK17T030 C2017 10 25.81130 21 28 55.11 +78 23 21.7 17.9 TqEU238L33
CK17T030 KC2017 10 25.82055 21 28 55.07 +78 23 13.2 17.6 TdEU238A77
CK17T030 C2017 10 25.82272 21 28 54.73 +78 23 11.2 17.6 TqEU238L33
CK17T030 KC2017 10 25.82947 21 28 54.71 +78 23 05.1 17.7 TdEU238A77
CK17T030 C2017 10 25.83318 21 28 54.29 +78 23 01.5 17.6 TqEU238L33
CK17T030 'C2017 10 25.95923 21 28 50.03 +78 21 06.6 18.2 TUEU238I89
CK17T030 'C2017 10 25.96936 21 28 49.65 +78 20 57.4 18.3 TUEU238I89
CK17T030 'C2017 10 25.97954 21 28 49.27 +78 20 48.2 18.4 TUEU238I89
CK17T030 KC2017 10 26.17738 21 28 43.46 +78 17 48.3 18.8 TvEU238V37
CK17T030 KC2017 10 26.18103 21 28 43.44 +78 17 45.4 18.8 TvEU238V37
CK17T030 KC2017 10 26.18468 21 28 43.26 +78 17 41.7 18.9 TvEU238V37
CK17T030 KC2017 10 26.78908 21 28 26.00 +78 08 28.1 18.5 TtEU238Z84
CK17T030 KC2017 10 26.79383 21 28 25.83 +78 08 23.4 18.6 TtEU238Z84
CK17T030 KC2017 10 26.79953 21 28 25.75 +78 08 18.3 17.8 TtEU238Z84
CK17T030 'C2017 10 26.85712 21 28 24.00 +78 07 24.9 17.9 TUEU238I89
CK17T030 'C2017 10 26.87751 21 28 23.41 +78 07 06.1 18.1 TUEU238I89
CK17T030 'C2017 10 26.89264 21 28 22.92 +78 06 52.0 18.1 TUEU238I89
CK17T030 'C2017 10 26.90769 21 28 22.46 +78 06 37.9 17.8 TUEU238I89
CK17T030 C2017 10 27.23300 21 28 14.32 +78 01 36.6 18.5 TuEU238926
CK17T030 C2017 10 27.25043 21 28 13.77 +78 01 20.4 18.6 TuEU238926
CK17T030 C2017 10 27.26424 21 28 13.55 +78 01 07.5 18.5 TuEU238926
CK17T030 KC2017 10 27.81414 21 28 01.59 +77 52 36.5 17.7 TqEU238970
CK17T030 KC2017 10 27.82177 21 28 01.52 +77 52 29.4 17.5 TqEU238970
CK17T030 KC2017 10 27.86353 21 28 00.38 +77 51 50.1 18.5 TqEU238595
CK17T030 KC2017 10 27.87230 21 28 00.36 +77 51 42.3 19.0 TqEU238595
Observer details:
104 San Marcello Pistoiese. Observers P. Bacci, M. Maestripieri. Measurers
P. Bacci, L. Tesi, G. Fagioli. 0.60-m reflector + CCD.
106 Crni Vrh. Observer S. Maticic. 0.6-m f/3.3 Deltagraph + CCD.
107 Cavezzo. Observers R. Bonomi, D. Losi. Measurer R. Bonomi. 0.4-m f/5.5
reflector + CCD.
511 Haute Provence. Observers O. Mousis, J. Balcaen, F. Kugel. Measurer
F. Kugel. 1.2-m f/6 reflector + CCD.
585 Kyiv comet station. Observer A. Baransky. 0.7-m f/4 reflector + CCD.
595 Farra d'Isonzo. Observers E. Pettarin, F. Piani. Measurer F. Piani.
0.40-m f/4.5 reflector + CCD.
658 National Research Council of Canada. Observer D. D. Balam. 1.82-m
Plaskett telescope + CCD.
900 Moriyama. Observer Y. Ikari. 0.26-m f/7.0 reflector + CCD.
926 Tenagra II Observatory. Observers M. Schwartz, P. R. Holvorcem. Measurer
M. Schwartz. 0.41-m f/3.75 astrograph + CCD.
970 Chelmsford. Observer N. James. 0.28-m f/10 Schmidt-Cassegrain + CCD.
A77 Observatoire Chante-Perdrix, Dauban. Observers C. Rinner, F. Kugel.
Measurer F. Kugel. 0.4-m f/3 reflector + CCD.
B67 Sternwarte Mirasteilas, Falera. Observer J. De Queiroz. 0.90-m f/6.7
reflector + CCD.
C42 Xingming Observatory, Mt. Nanshan. Observers Z. Xu, X. Gao. Measurer
Z. Xu. 0.5-m f/4 reflector + CCD.
C77 Bernezzo Observatory. Observer A. Mantero. 0.25-m f/4.0 reflector + 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.
G40 Slooh.com Canary Islands Observatory. Observer B. Lutkenhoner. 0.43-m
f/6.8 Corrected Dall-Kirkham + CCD.
G48 Harlingten Research Observatory, Rancho Hildalgo. Observers C. Harlingten,
M. Mills. Measurer M. Mills. 0.40-m f/6.7 Ritchey-Chretien + CCD.
H06 iTelescope Observatory, Mayhill. Observers H. Sato, A. Valvasori
C. Caselli, R. Ligustri, T. Thaluang, M. Urbanik, D. Brandt, E. Bryssinck.
Measurers H. Sato, A. Valvasori, R. Ligustri, T. Thaluang, M. Urbanik,
D. Brandt, E. Bryssinck. 0.43-m f/4.5 astrograph + CCD, 0.43-m f/6.8
astrograph + CCD, 0.43-m f/6.8 astrograph + CCD + f/4.5 focal reducer,
0.43-m f/6.8 reflector + CCD, 0.43-m f/6.8 reflector + CCD + f/4.5 focal
reducer, 0.51-m f/4.5 astrograph + CCD.
I89 iTelescope Observatory, Nerpio. Observer S. M. Tilley. 0.43-m f/6.8
reflector + CCD.
J22 Tacande Observatory, La Palma. Observer K. Hills. 0.5-m f/2.9 astrograph
+ CCD.
K61 Rokycany Observatory. Observer M. Adamovsky. 0.51-m f/6.8 reflector
+ CCD.
K63 G. Pascoli Observatory, Castelvecchio Pascoli. Observer R. Bacci. 0.40-m
f/3.2 Newtonian reflector + CCD.
K74 Muensterschwarzach Observatory, Schwarzach. Observer C. Gerhard. 0.30-m
f/4.6 Newtonian reflector + CCD.
K88 GINOP-KHK, Piszkesteto. Observer K. Sarneczky. 0.60-m Schmidt + CCD.
L33 Ananjev. Observer N. Mishevskiy. Measurers N. Mishevskiy, S. Khlamov.
0.25-m f/4.7 reflector + CCD.
P93 Space Tracking and Communications Center, JAXA. Observers S. Urakawa,
T. Nimura. 1.0-m f/3.0 reflector + CCD.
T05 ATLAS-HKO, Haleakala. Observers L. Denneau, A. Heinze, H. Weiland,
B. Stalder, J. Tonry. Measurers L. Denneau, A. Heinze, J. Tonry. 0.5-m
f/2.0 Schmidt + CCD.
V37 McDonald Observatory-LCO ELP. Observers P. Miller, E. Gomez, S. Foglia,
L. Buzzi, R. Holmes. Measurers S. Foglia, L. Buzzi. 0.4-m f/8 reflector
+ CCD.
Z80 Northolt Branch Observatory. Observer G. Wells. Measurer D. Bamberger.
0.07-m f/5.9 refractor + CCD, 0.25-m f/8 Ritchey-Chretien + CCD.
Z84 Calar Alto-Schmidt. Observer E. Schwab. Measurers E. Schwab, M. Micheli,
D. Koschny. 0.8-m f/3 Schmidt + CCD.
Orbital elements:
C/2017 T3 (ATLAS)
Epoch 2018 July 21.0 TT = JDT 2458320.5
T 2018 July 19.14132 TT MPCW
q 0.8254088 (2000.0) P Q
z +0.0008544 Peri. 246.88755 +0.22843518 -0.59999011
+/-0.0001770 Node 230.09610 +0.65986119 -0.48361719
e 0.9992948 Incl. 88.10118 -0.71582161 -0.63728038
From 128 observations 2017 Sept. 11-Oct. 27, mean residual 0".5.
C/2017 T3 (ATLAS)
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5
T 2018 July 19.13396 TT MPCW
q 0.8251446 (2000.0) P Q
z +0.0008464 Peri. 246.89930 +0.22827375 -0.60001506
+/-0.0001770 Node 230.09872 +0.65978941 -0.48377014
e 0.9993016 Incl. 88.09926 -0.71593927 -0.63714078
From 128 observations 2017 Sept. 11-Oct. 27, mean residual 0".5.
Ephemeris:
C/2017 T3 (ATLAS)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2017 09 28 22 43 52.5 +83 31 20 3.9378 4.1939 97.9 13.7 19.2
...
2017 10 13 21 46 34.1 +81 16 56 3.6893 4.0332 103.0 13.9 18.9
...
2017 10 21 21 32 54.1 +79 33 32 3.5655 3.9465 105.3 14.1 18.7
...
2017 10 27 21 28 20.6 +78 05 12 3.4777 3.8810 106.6 14.2 18.6
2017 10 28 21 27 57.9 +77 49 42 3.4636 3.8701 106.8 14.2 18.6
2017 10 29 21 27 40.9 +77 34 00 3.4496 3.8591 107.0 14.2 18.6
...
2017 11 04 21 27 46.5 +75 55 40 3.3685 3.7931 107.9 14.4 18.4
...
2017 11 12 21 31 43.0 +73 34 52 3.2691 3.7044 108.5 14.7 18.3
...
2017 11 27 21 46 57.3 +68 47 51 3.1124 3.5360 107.5 15.4 18.0
Gareth V. Williams (C) Copyright 2017 MPC M.P.E.C. 2017-U238
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