MPEC 2020-O118 : COMET C/2019 Y5 (PANSTARRS)
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M.P.E.C. 2020-O118 Issued 2020 July 26, 18:46 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/2019 Y5 (PANSTARRS)
This object, initially designated A/2019 Y5, has been observed to exhibit
cometary features. Reports are as follows:
OC Date Reporter Coma Tail PA Exposures
568 2020-02-26 R. Weryk 1" 6" 130 3x60s
568 2020-07-20 M. Micheli 2" 7" 195
Observations:
CK19Y050 C2019 09 11.60728704 44 58.071-35 41 47.89 21.3 GVEO118F51
CK19Y050 C2019 09 11.62011004 44 57.824-35 41 50.35 21.0 GVEO118F51
CK19Y050 C2019 09 11.62653804 44 57.697-35 41 51.12 21.3 GVEO118F51
CK19Y050 C2019 09 18.59244804 42 18.893-36 02 43.20 20.7 GVEO118F51
CK19Y050 C2019 09 18.60225904 42 18.589-36 02 45.32 20.5 GVEO118F51
CK19Y050 C2019 10 14.51324104 24 10.372-36 58 45.78 20.8 GVEO118F51
CK19Y050 C2019 10 14.52358404 24 09.775-36 58 46.53 22.1 GVEO118F51
CK19Y050 C2019 10 14.53392004 24 09.206-36 58 47.05 21.2 GVEO118F51
CK19Y050 C2019 10 14.54425904 24 08.600-36 58 47.56 21.7 GVEO118F51
CK19Y050 C2019 11 10.41369703 54 17.773-36 15 01.16 21.2 GVEO118F51
CK19Y050 C2019 11 10.42328103 54 17.066-36 14 58.37 19.7 GVEO118F51
CK19Y050 C2019 11 10.43287603 54 16.406-36 14 55.48 20.3 GVEO118F51
CK19Y050 C2019 12 10.32753703 19 58.363-32 19 27.22 21.8 GVEO118F51
CK19Y050 C2019 12 10.33759403 19 57.744-32 19 20.45 21.5 GVEO118F51
CK19Y050 C2019 12 10.34743503 19 57.151-32 19 13.75 21.8 GVEO118F51
CK19Y050 C2019 12 10.35727103 19 56.556-32 19 07.76 21.3 GVEO118F51
CK19Y050* C2019 12 28.23689103 04 51.625-28 40 22.03 21.47wUEO118F51
CK19Y050 C2019 12 28.24775303 04 51.160-28 40 13.42 21.64wUEO118F51
CK19Y050 C2019 12 28.25863303 04 50.708-28 40 04.60 21.69wUEO118F51
CK19Y050 C2019 12 28.27124903 04 50.176-28 39 54.78 22.01wUEO118F51
CK19Y050 C2019 12 28.29171503 04 49.338-28 39 38.42 21.30wUEO118F51
CK19Y050 C2019 12 28.30202703 04 48.903-28 39 30.32 21.70wUEO118F51
CK19Y050 |C2019 12 30.11871 03 03 36.24 -28 15 12.2 21.4 GVEO118807
CK19Y050 |C2019 12 30.12436 03 03 36.00 -28 15 07.5 21.4 GVEO118807
CK19Y050 |C2019 12 30.13000 03 03 35.78 -28 15 03.0 21.3 GVEO118807
CK19Y050 KC2019 12 30.41428303 03 24.79 -28 11 13.7 21.7 GVEO118474
CK19Y050 KC2019 12 30.42144203 03 24.59 -28 11 07.5 21.7 GVEO118474
CK19Y050 KC2019 12 30.42840703 03 24.27 -28 11 01.7 21.2 GVEO118474
CK19Y050 1C2019 12 31.48950 03 02 43.87 -27 56 42.3 VEO118Q62
CK19Y050 1C2019 12 31.49476 03 02 43.70 -27 56 37.9 20.6 GVEO118Q62
CK19Y050 KC2020 01 03.47158403 00 57.22 -27 16 00.2 21.7 GVEO118474
CK19Y050 KC2020 01 03.47862603 00 56.98 -27 15 54.3 21.4 GVEO118474
CK19Y050 KC2020 01 03.48566403 00 56.87 -27 15 48.4 21.3 GVEO118474
CK19Y050 KC2020 01 05.13156 03 00 02.13 -26 53 08.5 21.5 RoEO118291
CK19Y050 KC2020 01 05.14822 03 00 01.60 -26 52 54.6 21.6 RoEO118291
CK19Y050 KC2020 01 05.16492 03 00 01.04 -26 52 40.3 21.4 RoEO118291
CK19Y050 HC2020 02 15.09717 02 52 02.38 -17 19 46.3 oEO118691
CK19Y050 HC2020 02 15.11063 02 52 02.55 -17 19 35.0 oEO118691
CK19Y050 KC2020 02 23.37606202 53 16.41 -15 30 19.7 21.6 GVEO118474
CK19Y050 KC2020 02 23.37958302 53 16.40 -15 30 17.0 22.0 GVEO118474
CK19Y050 KC2020 02 23.38310402 53 16.50 -15 30 14.1 21.7 GVEO118474
CK19Y050 KC2020 02 23.38662502 53 16.54 -15 30 12.2 21.3 GVEO118474
CK19Y050 _C2020 02 26.25061502 53 52.410-14 53 18.27 22.2 GVEO118568
CK19Y050 _C2020 02 26.25248802 53 52.433-14 53 16.80 22.1 GVEO118568
CK19Y050 ^C2020 02 26.25513702 53 52.464-14 53 14.80 22.60GVEO118568
CK19Y050 ^C2020 02 26.25631802 53 52.480-14 53 13.85 22.58GVEO118568
CK19Y050 ^C2020 02 26.25749602 53 52.496-14 53 12.94 22.60GVEO118568
CK19Y050 _C2020 07 20.61424204 00 39.439+04 49 39.38 22.6 GVEO118568
CK19Y050 _C2020 07 20.61611404 00 39.481+04 49 39.89 21.7 GVEO118568
Observer details:
291 LPL/Spacewatch II. Observer A. F. Tubbiolo. 1.8-m f/2.7 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, J. V. Keane, E. Bufanda, R.
Wainscoat, C. Crowder, T. Burdullis. Measurers M. Micheli, J. Kleyna, R.
Weryk, R. Wainscoat. 3.6-m Canada-France-Hawaii Telescope + CCD.
691 Steward Observatory, Kitt Peak-Spacewatch. Observer R. A. Mastaler.
0.9-m f/3 reflector + CCD.
807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes.
1.00-m f/10.0 astrograph + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, A.
Schultz, M. Willman. Measurers S. Chastel, M. Huber, Y. Ramanjooloo, R.
Wainscoat, R. Weryk, K. Chambers, T. de Boer, L. Denneau, J. Fairlamb, H.
Flewelling, C.-C. Lin, E. Magnier. 1.8-m Ritchey-Chretien + CCD.
Q62 iTelescope Observatory, Siding Spring. Observer H. Sato. 0.51-m f/6.8
astrograph + CCD + f/4.5 focal reducer.
Orbital elements:
C/2019 Y5 (PANSTARRS)
Epoch 2019 Aug. 25.0 TT = JDT 2458720.5
T 2019 Aug. 18.15566 TT Rudenko
q 4.9145137 (2000.0) P Q
z +0.0013402 Peri. 303.50177 +0.42317879 +0.46196862
+/-0.0000017 Node 51.77143 +0.66793091 +0.42219309
e 0.9934135 Incl. 82.84185 -0.61219932 +0.77996025
From 49 observations 2019 Sept. 11-2020 July 20, mean residual 0".4.
C/2019 Y5 (PANSTARRS)
Epoch 2020 May 31.0 TT = JDT 2459000.5
T 2019 Aug. 18.17299 TT Rudenko
q 4.9144850 (2000.0) P Q
z +0.0012461 Peri. 303.50118 +0.42321721 +0.46185742
+/-0.0000017 Node 51.77672 +0.66790165 +0.42227933
e 0.9938763 Incl. 82.83504 -0.61220469 +0.77997942
From 49 observations 2019 Sept. 11-2020 July 20, mean residual 0".4.
Ephemeris:
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2020 06 26 03 51 27.5 +02 52 51 6.1898 5.4678 41.3 7.1 22.3
...
2020 07 11 03 57 31.5 +04 07 01 6.0766 5.5182 52.6 8.4 22.3
...
2020 07 19 04 00 10.7 +04 42 45 6.0013 5.5457 58.9 9.0 22.3
...
2020 07 25 04 01 51.0 +05 07 57 5.9390 5.5667 63.9 9.4 22.3
2020 07 26 04 02 06.0 +05 12 02 5.9282 5.5702 64.7 9.5 22.3
2020 07 27 04 02 20.4 +05 16 04 5.9172 5.5737 65.5 9.5 22.3
...
2020 08 02 04 03 36.1 +05 39 38 5.8493 5.5951 70.6 9.9 22.3
...
2020 08 10 04 04 45.4 +06 09 20 5.7537 5.6239 77.6 10.1 22.3
...
2020 08 25 04 05 05.2 +07 00 35 5.5650 5.6791 91.3 10.2 22.3
M. P. C. Staff (C) Copyright 2020 MPC M.P.E.C. 2020-O118
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