MPEC 2020-W177 : COMET C/2020 V2 (ZTF)
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M.P.E.C. 2020-W177 Issued 2020 November 27, 18:05 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/2020 V2 (ZTF) This object was originally submitted as part of incidental astrometry from ZTF (I41) on Oct. 31 UT. Reports of cometary features are as follows: OC Date Reporter Coma Tail PA Exposures H06 2020-11-12 H. Sato 8" 18x60s 675 2020-11-17 B. Bolin 2".8 L07 2020-11-19 E. Guido 7" 25x120s Q11 2020-11-20 H. Sato 8" 12x60s I89 2020-11-24 A. Valvasori 6" 15x120s Q11 2020-11-24 H. Sato 8" 8x90s Observations: CK20V020 C2020 04 18.27620 12 57 53.07 +27 02 35.9 20.9 GVEW177G96 CK20V020 C2020 04 18.28140 12 57 52.90 +27 02 37.0 20.9 GVEW177G96 CK20V020 C2020 04 18.28660 12 57 52.76 +27 02 37.5 20.8 GVEW177G96 CK20V020 C2020 04 18.29181 12 57 52.60 +27 02 38.1 20.7 GVEW177G96 CK20V020 C2020 04 29.23925 12 52 49.29 +27 27 23.5 21.0 GVEW177G96 CK20V020 C2020 04 29.24438 12 52 49.14 +27 27 24.1 20.9 GVEW177G96 CK20V020 C2020 04 29.24950 12 52 48.99 +27 27 24.2 20.9 GVEW177G96 CK20V020 C2020 04 29.25463 12 52 48.87 +27 27 24.8 20.9 GVEW177G96 CK20V020 C2020 05 11.19303 12 47 44.09 +27 44 16.3 21.0 GVEW177G96 CK20V020 C2020 05 11.19912 12 47 43.92 +27 44 16.5 21.6 GVEW177G96 CK20V020 C2020 05 11.20380 12 47 43.85 +27 44 16.9 20.8 GVEW177G96 CK20V020 C2020 05 11.20997 12 47 43.71 +27 44 16.9 20.8 GVEW177G96 CK20V020 C2020 05 18.24985 12 45 02.31 +27 49 22.4 20.8 GVEW177G96 CK20V020 C2020 05 18.25501 12 45 02.19 +27 49 22.2 20.4 GVEW177G96 CK20V020 C2020 05 18.26017 12 45 02.07 +27 49 22.4 20.6 GVEW177G96 CK20V020 C2020 05 18.26533 12 45 01.98 +27 49 22.7 20.6 GVEW177G96 CK20V020 C2020 06 04.20806 12 39 45.94 +27 48 00.0 20.7 GVEW177G96 CK20V020 C2020 06 04.21320 12 39 45.85 +27 48 00.3 20.0 GVEW177G96 CK20V020 C2020 06 04.21833 12 39 45.74 +27 47 59.7 20.9 GVEW177G96 CK20V020 C2020 06 13.22034 12 37 44.78 +27 40 26.3 20.6 GVEW177G96 CK20V020 C2020 06 13.22550 12 37 44.72 +27 40 25.5 20.2 GVEW177G96 CK20V020 C2020 06 13.23066 12 37 44.64 +27 40 25.5 20.1 GVEW177G96 CK20V020 C2020 06 13.23582 12 37 44.61 +27 40 25.1 20.1 GVEW177G96 CK20V020* C2020 11 02.52940013 05 10.03 +23 59 16.7 19.04rUEW177I41 CK20V020 C2020 11 02.53412013 05 10.12 +23 59 16.8 19.08rUEW177I41 CK20V020 C2020 11 02.53884013 05 10.23 +23 59 16.7 18.91rUEW177I41 CK20V020 C2020 11 02.54358013 05 10.33 +23 59 16.9 19.12rUEW177I41 CK20V020 KC2020 11 07.98185 13 07 05.47 +24 03 37.2 18.4 rVEW177N51 CK20V020 KC2020 11 07.98515 13 07 05.54 +24 03 37.4 18.4 rVEW177N51 CK20V020 KC2020 11 07.98794 13 07 05.59 +24 03 37.6 18.4 rVEW177N51 CK20V020 KC2020 11 07.99046 13 07 05.65 +24 03 37.8 18.3 rVEW177N51 CK20V020 KC2020 11 10.98073 13 08 07.50 +24 06 52.0 18.1 RVEW177N51 CK20V020 KC2020 11 10.98454 13 08 07.57 +24 06 52.3 18.3 RVEW177N51 CK20V020 C2020 11 10.98638 13 08 07.62 +24 06 52.4 19.4 RVEW177N51 CK20V020 KC2020 11 10.99545 13 08 07.78 +24 06 53.3 18.3 RVEW177N51 CK20V020 LC2020 11 11.49740 13 08 18.04 +24 07 29.9 18.5 GVEW177H06 CK20V020 LC2020 11 11.50300 13 08 18.16 +24 07 30.1 18.3 GVEW177H06 CK20V020 KC2020 11 11.98348 13 08 27.96 +24 08 05.8 18.3 rVEW177N51 CK20V020 KC2020 11 11.98575 13 08 27.98 +24 08 05.9 18.2 rVEW177N51 CK20V020 KC2020 11 11.98773 13 08 28.04 +24 08 06.3 18.3 rVEW177N51 CK20V020 C2020 11 11.98795 13 08 28.05 +24 08 06.5 18.0 rVEW177N51 CK20V020 KC2020 11 11.98982 13 08 28.08 +24 08 06.5 18.2 rVEW177N51 CK20V020 C2020 11 11.99169 13 08 28.11 +24 08 06.6 18.4 rVEW177N51 CK20V020 KC2020 11 11.99366 13 08 28.15 +24 08 06.8 18.1 rVEW177N51 CK20V020 KC2020 11 11.99651 13 08 28.21 +24 08 07.0 18.3 rVEW177N51 CK20V020 C2020 11 12.00133 13 08 28.33 +24 08 07.4 18.3 rVEW177N51 CK20V020 |C2020 11 12.50086 13 08 38.45 +24 08 45.8 VEW177H06 CK20V020 |C2020 11 12.50606 13 08 38.54 +24 08 45.9 VEW177H06 CK20V020 |C2020 11 12.51125 13 08 38.65 +24 08 46.3 18.9 GVEW177H06 CK20V020 KC2020 11 12.96814 13 08 47.89 +24 09 22.1 18.4 rVEW177N51 CK20V020 KC2020 11 12.97060 13 08 47.94 +24 09 22.3 18.4 rVEW177N51 CK20V020 KC2020 11 12.97330 13 08 48.00 +24 09 22.5 18.4 rVEW177N51 CK20V020 KC2020 11 13.97065 13 09 08.06 +24 10 44.8 18.4 rVEW177N51 CK20V020 KC2020 11 13.97321 13 09 08.11 +24 10 45.0 18.3 rVEW177N51 CK20V020 KC2020 11 13.97804 13 09 08.19 +24 10 45.6 18.5 rVEW177N51 CK20V020 KC2020 11 13.98065 13 09 08.24 +24 10 45.8 18.5 rVEW177N51 CK20V020 KC2020 11 15.19369 13 09 32.40 +24 12 30.9 18.9 GVEW177204 CK20V020 KC2020 11 15.20127 13 09 32.55 +24 12 31.6 VEW177204 CK20V020 hC2020 11 17.16914013 10 11.20 +24 15 36.2 18.9 GVEW177L01 CK20V020 hC2020 11 17.17553913 10 11.35 +24 15 36.8 19.0 GVEW177L01 CK20V020 KC2020 11 17.17577 13 10 11.38 +24 15 37.8 18.9 VVEW177L06 CK20V020 hC2020 11 17.18076813 10 11.43 +24 15 37.8 18.6 GVEW177L01 CK20V020 KC2020 11 17.18219 13 10 11.50 +24 15 37.7 18.7 VVEW177L06 CK20V020 hC2020 11 17.18474013 10 11.50 +24 15 38.0 18.9 GVEW177L01 CK20V020 KC2020 11 17.18938 13 10 11.64 +24 15 38.1 18.6 VVEW177L06 CK20V020 KC2020 11 17.19215 13 10 11.66 +24 15 38.6 VEW177204 CK20V020 KC2020 11 17.20199 13 10 11.86 +24 15 39.8 18.8 GVEW177204 CK20V020 @C2020 11 17.51997 13 10 18.10 +24 16 10.5 18.0 RVEW177675 CK20V020 @C2020 11 17.52082 13 10 18.20 +24 16 11.0 16.7 RVEW177675 CK20V020 @C2020 11 17.52562 13 10 18.25 +24 16 11.5 16.8 RVEW177675 CK20V020 C2020 11 18.14488 13 10 30.13 +24 17 14.5 18.8 RoEW177K88 CK20V020 C2020 11 18.15916 13 10 30.42 +24 17 16.0 18.7 RoEW177K88 CK20V020 KC2020 11 18.18966 13 10 31.01 +24 17 19.6 18.6 VvEW177A77 CK20V020 KC2020 11 18.20517 13 10 31.29 +24 17 21.2 18.5 VvEW177A77 CK20V020 KC2020 11 18.22021 13 10 31.58 +24 17 22.6 18.5 VvEW177A77 CK20V020 KC2020 11 18.48841713 10 36.75 +24 17 50.5 19.3 VqEW177858 CK20V020 KC2020 11 18.50293713 10 37.04 +24 17 51.9 18.8 VqEW177858 CK20V020 KC2020 11 18.51816713 10 37.34 +24 17 53.5 18.8 VqEW177858 CK20V020 KC2020 11 19.11560 13 10 48.75 +24 18 56.6 19.0 VVEW177L04 CK20V020 KC2020 11 19.12176 13 10 48.90 +24 18 57.5 19.2 VVEW177L04 CK20V020 KC2020 11 19.15754 13 10 49.55 +24 19 01.1 18.8 GVEW177L07 CK20V020 KC2020 11 19.17687 13 10 49.93 +24 19 03.3 18.8 GVEW177L07 CK20V020 KC2020 11 19.19933 13 10 50.38 +24 19 06.3 18.5 RqEW177215 CK20V020 KC2020 11 19.20192 13 10 50.42 +24 19 06.5 18.4 RqEW177215 CK20V020 KC2020 11 19.20450 13 10 50.48 +24 19 06.1 18.4 RqEW177215 CK20V020 9C2020 11 19.23208 13 10 50.97 +24 19 09.0 19.1 GVEW177G40 CK20V020 9C2020 11 19.24387 13 10 51.26 +24 19 10.1 19.2 GVEW177G40 CK20V020 KC2020 11 19.24874 13 10 51.29 +24 19 09.7 17.8 GVEW177J22 CK20V020 2C2020 11 19.25034513 10 51.327+24 19 11.18 18.8 GVEW177J04 CK20V020 2C2020 11 19.25144213 10 51.354+24 19 11.27 18.8 GVEW177J04 CK20V020 2C2020 11 19.25254613 10 51.372+24 19 11.46 18.7 GVEW177J04 CK20V020 KC2020 11 19.25466 13 10 51.43 +24 19 11.8 18.5 GVEW177J22 CK20V020 KC2020 11 19.26057 13 10 51.51 +24 19 12.5 18.1 GVEW177J22 CK20V020 HC2020 11 20.49684 13 11 14.95 +24 21 29.0 18.7 RoEW177691 CK20V020 HC2020 11 20.50366 13 11 15.07 +24 21 29.8 18.7 RoEW177691 CK20V020 HC2020 11 20.51047 13 11 15.20 +24 21 31.0 18.8 RoEW177691 CK20V020 KC2020 11 20.80037 13 11 20.66 +24 22 03.4 18.2 RqEW177Q11 CK20V020 KC2020 11 20.80618 13 11 20.77 +24 22 04.1 qEW177Q11 CK20V020 KC2020 11 22.16935 13 11 46.20 +24 24 44.9 19.2 VtEW177A71 CK20V020 KC2020 11 22.18345 13 11 46.54 +24 24 47.0 19.0 VtEW177A71 CK20V020 KC2020 11 22.19756 13 11 46.69 +24 24 47.9 19.1 VtEW177A71 CK20V020 KC2020 11 22.21336 13 11 46.93 +24 24 50.5 19.0 GVEW177Z08 CK20V020 KC2020 11 22.22164 13 11 47.09 +24 24 51.4 19.1 GVEW177Z08 CK20V020 KC2020 11 22.22985 13 11 47.25 +24 24 52.4 19.1 GVEW177Z08 CK20V020 KC2020 11 23.15042713 12 04.14 +24 26 45.9 18.8 GVEW177L01 CK20V020 KC2020 11 23.15198813 12 04.18 +24 26 46.1 19.0 GVEW177L01 CK20V020 KC2020 11 23.15354913 12 04.19 +24 26 46.5 19.1 GVEW177L01 CK20V020 KC2020 11 23.15510913 12 04.22 +24 26 46.6 19.0 GVEW177L01 CK20V020 KC2020 11 23.15823013 12 04.28 +24 26 47.1 19.1 GVEW177L01 CK20V020 KC2020 11 23.16018213 12 04.31 +24 26 47.3 19.0 GVEW177L01 CK20V020 KC2020 11 23.79979 13 12 15.96 +24 28 08.5 18.2 RqEW177Q11 CK20V020 KC2020 11 23.80629 13 12 16.08 +24 28 09.2 qEW177Q11 CK20V020 =C2020 11 24.21900 13 12 23.52 +24 29 03.1 18.4 GVEW177I89 CK20V020 =C2020 11 24.23558 13 12 23.85 +24 29 05.2 18.9 GVEW177I89 CK20V020 C2020 11 26.18251913 12 58.42 +24 33 28.5 18.9 GVEW177L01 CK20V020 C2020 11 26.18468313 12 58.46 +24 33 28.9 18.8 GVEW177L01 CK20V020 C2020 11 26.18685813 12 58.51 +24 33 29.2 18.8 GVEW177L01 CK20V020 C2020 11 26.18902113 12 58.54 +24 33 29.5 18.9 GVEW177L01 CK20V020 C2020 11 26.19119613 12 58.58 +24 33 29.7 18.8 GVEW177L01 CK20V020 C2020 11 26.19335913 12 58.62 +24 33 30.1 18.9 GVEW177L01 Observer details: 204 Schiaparelli Observatory. Observer L. Buzzi. Measurer A. Aletti. 0.84-m f/3.5 reflector + CCD. 215 Buchloe. Observer W. Hasubick. 0.44-m f/4.6 reflector + CCD. 675 Palomar Mountain. Observers R. S. Walters, B. T. Bolin. Measurers K. Sharma, B. T. Bolin. 1.52-m f/8.75 Ritchey-Chretien + CCD. 691 Steward Observatory, Kitt Peak-Spacewatch. Observer R. A. Mastaler. 0.9-m f/3 reflector + CCD. 858 Tebbutt Observatory, Edgewood. Observer F. B. Zoltowski. 0.16-m refractor + CCD. A71 Stixendorf. Observers M. Jaeger, E. Prosperi, S. Prosperi. Measurer M. Jaeger. 0.3-m f/4 reflector + CCD. A77 Observatoire Chante-Perdrix, Dauban. Observer F. Kugel. 0.4-m f/2.8 reflector + CCD. G40 Slooh.com Canary Islands Observatory. Observer B. Lutkenhoner. 0.43-m f/6.8 Corrected Dall-Kirkham + CCD. G96 Mt. Lemmon Survey. Observers G. J. Leonard, H. Groeller, T. A. Pruyne. Measurers E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, T. A. Pruyne, D. Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos, B. Gray. 1.5-m reflector + 10K CCD. H06 iTelescope Observatory, Mayhill. Observers N. Paul, H. Sato. , 0.43-m f/6.8 astrograph + CCD + f/4.5 focal reducer. I41 Palomar Mountain--ZTF. Observers B. T. Bolin, Z. T. F. Collaboration. Measurers B. T. Bolin, Z.-Y. Lin, F. J. Masci. 1.2-m f/2.4 Schmidt. I89 iTelescope Observatory, Nerpio. Observer A. Valvasori. 0.32-m f/8 reflector + CCD. J04 ESA Optical Ground Station, Tenerife. Observer P. Ruiz. Measurers M. Micheli, D. Koschny, L. Conversi, A. Knofel, M. Busch, E. Schwab. 1.0-m f/4.4 reflector + CCD. J22 Tacande Observatory, La Palma. Observer K. Hills. 0.5-m f/3.0 astrograph + CCD. K88 GINOP-KHK, Piszkesteto. Observer R. Szakats. Measurer K. Sarneczky. 0.60-m Schmidt + CCD. L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector + CCD. L04 ROASTERR-1 Observatory, Cluj-Napoca. Observer L. Hudin. 0.3-m f/5 reflector + CCD. L06 Sormano 2 Observatory, Bellagio Via Lattea. Observer G. Ventre. Measurer P. Sicoli. 0.28-m f/10 reflector + CCD. L07 Osservatorio Salvatore di Giacomo, Agerola. Observers E. Guido, A. Catapano, F. Coccia. 0.5-m f/8 Ritchey-Chretien + CCD. N51 GROWTH India Telescope, IAO, Hanle. Observers K. Sharma, H. Kumar, P. Dorjay, J. Stanzin, V. Bhalerao, G. C. Anupama, S. Barway. Measurers K. Sharma, B. T. Bolin. 0.70-m f/6.5 Corrected Dall-Kirkham + CCD. Q11 Shinshiro. Observer T. Ikemura. Measurer H. Sato. 0.35-m f/5 reflector + CCD. Z08 Telescope Live, Oria. Observers E. Bryssinck, M. Rocchetto, E. Guido, M. Fulle, G. Milani, C. Nassef, G. Savini, A. Valvasori. Measurer E. Bryssinck. 0.7-m f/6 reflector + CCD. Orbital elements: C/2020 V2 (ZTF) Epoch 2023 May 16.0 TT = JDT 2460080.5 T 2023 May 8.21459 TT Veres q 2.2273664 (2000.0) P Q z -0.0006836 Peri. 162.41749 +0.69773215 +0.59407731 +/-0.0000607 Node 212.37150 +0.53388729 -0.05865878 e 1.0015227 Incl. 131.61188 +0.47763397 -0.80226635 From 120 observations 2020 Apr. 18-Nov. 26, mean residual 0".3. C/2020 V2 (ZTF) Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 T 2023 May 8.00567 TT Veres q 2.2270950 (2000.0) P Q z -0.0007978 Peri. 162.37009 +0.69780765 +0.59421703 +/-0.0000607 Node 212.32780 +0.53334489 -0.05831009 e 1.0017768 Incl. 131.58887 +0.47812939 -0.80218829 From 120 observations 2020 Apr. 18-Nov. 26, mean residual 0".3. Ephemeris: Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2 2020 10 28 13 03 10.1 +23 56 50 9.4768 8.7449 40.5 4.2 19.2 ... 2020 11 12 13 08 28.2 +24 08 07 9.2243 8.6379 51.2 5.1 19.1 ... 2020 11 20 13 11 05.5 +24 20 33 9.0729 8.5807 57.4 5.6 19.0 ... 2020 11 26 13 12 55.2 +24 33 03 8.9529 8.5377 62.2 5.9 19.0 2020 11 27 13 13 12.7 +24 35 25 8.9324 8.5305 63.0 5.9 19.0 2020 11 28 13 13 29.9 +24 37 51 8.9118 8.5233 63.9 6.0 19.0 ... 2020 12 04 13 15 07.8 +24 54 09 8.7859 8.4802 68.8 6.2 18.9 ... 2020 12 12 13 17 01.6 +25 20 30 8.6126 8.4226 75.6 6.5 18.8 ... 2020 12 27 13 19 31.6 +26 24 29 8.2784 8.3143 88.7 6.8 18.7 M. P. C. Staff (C) Copyright 2020 MPC M.P.E.C. 2020-W177


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