MPEC 2020-A109 : COMET P/2019 Y3 (Catalina)
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M.P.E.C. 2020-A109 Issued 2020 January 9, 19:48 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 P/2019 Y3 (Catalina)
This object was reported on 2019 Dec. 17 UT as a possible comet by
K. W. Wierzchos on behalf of the Catalina Sky Survey (703), noting a 8"-10"
coma elongated E-W. Additional reports of cometary features are as follows:
OC Date Reporter Coma Tail PA Exposures
H06 Dec. 18 H. Sato 12" W
V11 Dec. 20 D. Rankin 12" 15x30s
I52 Dec. 20 T. A. Pruyne 285
H06 Dec. 26 H. Sato 10" 15" W 10x60s
Q11 Dec. 28 H. Sato 7" 13" 275 15x60s
204 Jan. 2 L. Buzzi 7" 17" 28 100x30s
A71 Jan. 6 M. Jaeger 8" 20" 280
691 Jan. 6 T. H. Bressi 11" 270 6x50s
A77 Jan. 8 F. Kugel 20" 30" 280
Observations:
PK19Y030* C2019 12 17.53472 13 54 30.69 -08 18 45.9 VEA109703
PK19Y030 C2019 12 17.53986 13 54 32.26 -08 18 44.4 VEA109703
PK19Y030 C2019 12 17.54500 13 54 33.97 -08 18 43.0 18.6 GVEA109703
PK19Y030 C2019 12 17.55014 13 54 35.61 -08 18 41.0 18.1 GVEA109703
PK19Y030 |C2019 12 18.34693 13 58 36.32 -08 12 35.4 19.3 VuEA109807
PK19Y030 |C2019 12 18.35242 13 58 37.97 -08 12 33.1 19.5 VuEA109807
PK19Y030 |C2019 12 18.35765 13 58 39.57 -08 12 31.0 19.4 VuEA109807
PK19Y030 |C2019 12 18.51256 13 59 26.11 -08 11 30.3 VEA109H06
PK19Y030 |C2019 12 18.51620 13 59 27.20 -08 11 28.4 VEA109H06
PK19Y030 |C2019 12 18.51983 13 59 28.28 -08 11 26.5 18.7 GVEA109H06
PK19Y030 C2019 12 20.18593 14 07 45.00 -07 58 57.4 19.0 VVEA109033
PK19Y030 C2019 12 20.18649 14 07 45.17 -07 58 57.3 19.0 VVEA109033
PK19Y030 C2019 12 20.18705 14 07 45.33 -07 58 57.0 19.2 VVEA109033
PK19Y030 C2019 12 20.20736 14 07 51.34 -07 58 48.3 18.9 VVEA109033
PK19Y030 C2019 12 20.20793 14 07 51.52 -07 58 48.2 18.7 VVEA109033
PK19Y030 9C2019 12 20.24900 14 08 03.76 -07 58 26.4 18.7 GVEA109G40
PK19Y030 9C2019 12 20.26640 14 08 08.87 -07 58 17.9 19.0 GVEA109G40
PK19Y030 C2019 12 20.50181 14 09 18.53 -07 56 32.3 19.4 GVEA109I52
PK19Y030 KC2019 12 20.50291014 09 18.81 -07 56 31.8 19.0 GVEA109V11
PK19Y030 C2019 12 20.50329 14 09 19.02 -07 56 30.4 VEA109I52
PK19Y030 C2019 12 20.50476 14 09 19.32 -07 56 30.8 17.9 GVEA109I52
PK19Y030 C2019 12 20.50624 14 09 20.08 -07 56 31.4 VEA109I52
PK19Y030 KC2019 12 20.50850714 09 20.41 -07 56 28.7 18.5 GVEA109V11
PK19Y030 C2019 12 21.22795 14 12 51.80 -07 51 02.7 20.4 VVEA109033
PK19Y030 C2019 12 21.22907 14 12 52.09 -07 51 02.0 20.4 VVEA109033
PK19Y030 C2019 12 21.22999 14 12 52.38 -07 51 01.8 20.4 VVEA109033
PK19Y030 KC2019 12 21.26110314 13 01.738-07 50 44.46 18.6 GVEA109J04
PK19Y030 IC2019 12 23.26306214 22 42.728-07 35 23.05 VEA109J04
PK19Y030 IC2019 12 23.26369514 22 42.890-07 35 22.67 19.6 GVEA109J04
PK19Y030 C2019 12 23.26433614 22 43.039-07 35 22.53 19.7 GVEA109J04
PK19Y030 pC2019 12 24.14792914 26 55.93 -07 28 34.7 18.8 GVEA109L01
PK19Y030 KC2019 12 24.14951014 26 56.28 -07 28 33.7 19.2 GVEA109L01
PK19Y030 pC2019 12 24.15148114 26 56.77 -07 28 32.0 19.1 GVEA109L01
PK19Y030 pC2019 12 24.15384714 26 57.48 -07 28 31.6 18.5 GVEA109L01
PK19Y030 C2019 12 24.26266114 27 28.444-07 27 38.98 19.9 GVEA109J04
PK19Y030 KC2019 12 24.26361814 27 28.695-07 27 39.42 20.8 GVEA109J04
PK19Y030 |C2019 12 26.53177 14 38 06.44 -07 09 59.5 VEA109H06
PK19Y030 |C2019 12 26.53628 14 38 07.68 -07 09 57.3 18.9 GVEA109H06
PK19Y030 C2019 12 27.18152 14 41 06.31 -07 04 56.9 19.2 VVEA109033
PK19Y030 C2019 12 27.18207 14 41 06.46 -07 04 56.3 19.2 VVEA109033
PK19Y030 9C2019 12 28.26498 14 46 03.56 -06 56 24.6 19.2 GVEA109G40
PK19Y030 9C2019 12 28.28074 14 46 07.85 -06 56 17.3 19.0 GVEA109G40
PK19Y030 KC2019 12 28.83894 14 48 39.56 -06 51 54.5 18.3 RqEA109Q11
PK19Y030 KC2019 12 28.85417 14 48 43.64 -06 51 47.4 qEA109Q11
PK19Y030 KC2019 12 28.85935 14 48 45.04 -06 51 44.9 qEA109Q11
PK19Y030 C2019 12 29.18719 14 50 13.68 -06 49 12.2 20.0 VVEA109033
PK19Y030 C2019 12 29.23309 14 50 26.00 -06 48 50.8 19.4 VVEA109033
PK19Y030 C2019 12 29.23376 14 50 26.20 -06 48 50.4 19.3 VVEA109033
PK19Y030 9C2019 12 29.25410 14 50 31.80 -06 48 38.0 18.9 GVEA109G40
PK19Y030 9C2019 12 29.27510 14 50 37.47 -06 48 27.5 19.3 GVEA109G40
PK19Y030 KC2019 12 31.84570 15 02 00.67 -06 28 11.7 18.1 RqEA109Q11
PK19Y030 KC2019 12 31.85288 15 02 02.53 -06 28 08.2 qEA109Q11
PK19Y030 KC2019 12 31.86008 15 02 04.41 -06 28 04.8 qEA109Q11
PK19Y030 C2020 01 01.24191 15 03 44.01 -06 25 05.5 18.5 VVEA109033
PK19Y030 C2020 01 01.24248 15 03 44.14 -06 25 05.3 18.2 VVEA109033
PK19Y030 C2020 01 01.24303 15 03 44.25 -06 25 05.1 17.9 VVEA109033
PK19Y030 KC2020 01 01.83333 15 06 17.80 -06 20 22.8 qEA109Q11
PK19Y030 KC2020 01 01.84604 15 06 21.06 -06 20 16.8 18.0 RqEA109Q11
PK19Y030 KC2020 01 01.85255 15 06 22.74 -06 20 13.8 qEA109Q11
PK19Y030 KC2020 01 02.20774 15 07 54.52 -06 17 26.4 VEA109204
PK19Y030 HC2020 01 02.22078 15 07 57.87 -06 17 20.3 VEA109204
PK19Y030 KC2020 01 02.23469 15 08 01.43 -06 17 14.1 19.2 GVEA109204
PK19Y030 C2020 01 02.23506 15 08 01.45 -06 17 14.4 18.8 VVEA109033
PK19Y030 C2020 01 02.23563 15 08 01.59 -06 17 14.0 19.1 VVEA109033
PK19Y030 C2020 01 02.23618 15 08 01.74 -06 17 13.4 19.4 VVEA109033
PK19Y030 C2020 01 02.23707 15 08 02.00 -06 17 13.3 19.1 VVEA109033
PK19Y030 KC2020 01 04.81131 15 18 55.48 -05 56 44.7 qEA109Q11
PK19Y030 KC2020 01 04.81710 15 18 56.92 -05 56 42.2 qEA109Q11
PK19Y030 KC2020 01 04.82324 15 18 58.46 -05 56 39.1 18.3 RqEA109Q11
PK19Y030 KC2020 01 06.18344 15 24 35.64 -05 45 52.3 19.5 VtEA109A71
PK19Y030 KC2020 01 06.20671 15 24 41.22 -05 45 41.1 19.1 VtEA109A71
PK19Y030 KC2020 01 06.22057 15 24 44.44 -05 45 34.2 19.2 VtEA109A71
PK19Y030 KC2020 01 06.23057915 24 46.96 -05 45 29.3 18.0 GVEA109C95
PK19Y030 KC2020 01 06.24110515 24 49.59 -05 45 24.1 20.2 GVEA109C95
PK19Y030 KC2020 01 06.50562 15 25 54.67 -05 43 16.2 oEA109691
PK19Y030 KC2020 01 06.51232 15 25 56.22 -05 43 12.1 oEA109691
PK19Y030 KC2020 01 06.51903 15 25 57.90 -05 43 10.0 oEA109691
PK19Y030 C2020 01 07.50579 15 29 57.95 -05 35 18.9 19.0 GVEA109I52
PK19Y030 C2020 01 07.50855 15 29 58.62 -05 35 17.6 VEA109I52
PK19Y030 C2020 01 07.51240 15 29 59.54 -05 35 16.4 VEA109I52
PK19Y030 C2020 01 07.54116 15 30 06.14 -05 35 00.5 18.5 GVEA109703
PK19Y030 C2020 01 07.55125 15 30 08.52 -05 34 56.3 18.8 GVEA109703
PK19Y030 C2020 01 07.55630 15 30 09.91 -05 34 53.0 18.4 GVEA109703
PK19Y030 KC2020 01 08.23519 15 32 53.50 -05 29 29.8 19.0 VvEA109A77
PK19Y030 KC2020 01 08.23987 15 32 54.54 -05 29 27.0 19.1 VvEA109A77
PK19Y030 KC2020 01 08.24454 15 32 55.61 -05 29 24.3 18.8 VvEA109A77
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers S. Melnikov, C.
Hoegner, B. Stecklum, U. Laux, F. Ludwig. Measurer B. Stecklum. 1.34-m f/3
Schmidt + CCD.
204 Schiaparelli Observatory. Observer A. Aletti. 0.36-m f/6 reflector + CCD.
691 Steward Observatory, Kitt Peak-Spacewatch. Observer T. H. Bressi. 0.9-m
f/3 reflector + CCD.
703 Catalina Sky Survey. Observers K. W. Wierzchos, G. J. Leonard. 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. 0.68-m Schmidt + 10K
CCD.
807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes.
0.61-m f/6.5 astrograph + CCD.
A71 Stixendorf. Observers M. Jaeger, E. Prosperi, S. Prosperi. Measurer M.
Jaeger. 0.28-m f/2.2 reflector + CCD.
A77 Observatoire Chante-Perdrix, Dauban. Observers C. Rinner, F. Kugel.
Measurer F. Kugel. 0.4-m f/2.8 reflector + CCD.
C95 SATINO Remote Observatory, Haute Provence. Observer J. Jahn. 0.60-m f/3.2
Newtonian reflector + CCD.
G40 Slooh.com Canary Islands Observatory. Observer B. Lutkenhoner. 0.5-m
f/6.8 Corrected Dall-Kirkham + CCD, 0.43-m f/6.8 Corrected Dall-Kirkham +
CCD.
H06 iTelescope Observatory, Mayhill. Observer H. Sato. 0.43-m f/6.8
astrograph + CCD + f/4.5 focal reducer.
I52 Steward Observatory, Mt. Lemmon Station. Observers T. A. Pruyne, G. J.
Leonard. 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. 1.0-m reflector + CCD.
J04 ESA Optical Ground Station, Tenerife. Observer D. Abreu. Measurers M.
Micheli, D. Koschny, M. Busch, A. Knofel, E. Schwab. 1.0-m f/4.4
reflector + CCD.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector +
CCD.
Q11 Shinshiro. Observer T. Ikemura. Measurer H. Sato. 0.35-m f/5 reflector +
CCD.
V11 Saguaro Observatory, Tucson. Observer D. Rankin. 0.30-m reflector + CCD.
Orbital elements:
P/2019 Y3 (Catalina)
Epoch 2019 Dec. 23.0 TT = JDT 2458840.5
T 2019 Dec. 13.46043 TT Bell
q 0.9120012 (2000.0) P Q
n 0.18978012 Peri. 2.26788 -0.78189486 -0.56125163
a 2.9989477 Node 139.38253 +0.56520630 -0.82186484
e 0.6958929 Incl. 24.63488 +0.26302523 +0.09764623
P 5.19
From 84 observations 2019 Dec. 17-2020 Jan. 8, mean residual 0".9.
P/2019 Y3 (Catalina)
Epoch 2025 Feb. 14.0 TT = JDT 2460720.5
T 2025 Mar. 4.13961 TT Bell
q 0.9310057 (2000.0) P Q
n 0.18809200 Peri. 2.54951 -0.78383497 -0.55860317
a 3.0168647 Node 139.30673 +0.56211448 -0.82388923
e 0.6913996 Incl. 24.58165 +0.26387506 +0.09575503
P 5.24
From 84 observations 2019 Dec. 17-2020 Jan. 8, mean residual 0".9.
P/2019 Y3 (Catalina)
Epoch 2020 May 31.0 TT = JDT 2459000.5
T 2019 Dec. 13.46418 TT Bell
q 0.9121432 (2000.0) P Q
n 0.18972816 Peri. 2.28265 -0.78200566 -0.56108708
a 2.9994953 Node 139.37942 +0.56503329 -0.82198307
e 0.6959011 Incl. 24.63525 +0.26306754 +0.09759671
P 5.19
From 84 observations 2019 Dec. 17-2020 Jan. 8, mean residual 0".9.
Ephemeris:
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2019 12 10 13 15 18.3 -09 11 45 0.9436 0.9135 56.5 64.0 18.0
...
2019 12 25 14 30 56.9 -07 21 51 1.0209 0.9283 55.1 60.4 18.2
...
2020 01 02 15 07 00.4 -06 18 59 1.0712 0.9575 55.4 57.7 18.5
...
2020 01 08 15 31 56.5 -05 31 17 1.1105 0.9879 55.9 55.5 18.7
2020 01 09 15 35 55.3 -05 23 18 1.1171 0.9936 56.0 55.2 18.7
2020 01 10 15 39 51.1 -05 15 19 1.1237 0.9995 56.2 54.8 18.8
...
2020 01 16 16 02 24.3 -04 27 07 1.1628 1.0379 57.1 52.7 19.0
...
2020 01 24 16 29 48.0 -03 21 41 1.2125 1.0965 58.8 50.2 19.3
...
2020 02 08 17 13 23.7 -01 13 11 1.2932 1.2224 63.2 46.1 19.9
M. P. C. Staff (C) Copyright 2020 MPC M.P.E.C. 2020-A109
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