MPEC 2022-S250 : COMET C/2022 R3 (Leonard)
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Read MPEC 2022-S251
M.P.E.C. 2022-S250 Issued 2022 September 26, 07:32 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/2022 R3 (Leonard)
G. J. Leonard reports the discovery of a comet in four 30-second survey
images obtained on Sep. 15 UT by Mt. Lemmon Survey (G96), noting a moderately
condensed 6" coma and 10" straight tail at position angle 240 deg. Additional
reports of cometary features are as follows:
OC Date Reporter Coma Tail PA Exposures
G96 2022-09-18 K. Wierzchos 7" 18" 240 3x45s
204 2022-09-19 A. Aletti 8" 10" 250
204 2022-09-20 L. Buzzi 6" 9" 225
B49 2022-09-21 J. Camarasa 15" 23" 238
B96 2022-09-21 E. Bryssinck 7" 9" 247 51x120s
H06 2022-09-22 H. Sato 8" 8x120s
Observations:
CK22R030* C2022 09 15.35780903 26 59.831+55 37 59.81 18.96GVES250G96
CK22R030 C2022 09 15.36437903 26 59.975+55 38 04.16 19.89GVES250G96
CK22R030 C2022 09 15.36955503 26 59.986+55 38 07.12 19.63GVES250G96
CK22R030 C2022 09 15.37622303 26 59.946+55 38 11.26 19.63GVES250G96
CK22R030 C2022 09 15.47687003 26 59.863+55 39 10.44 19.67GVES250G96
CK22R030 C2022 09 15.48679703 26 59.881+55 39 16.63 19.81GVES250G96
CK22R030 C2022 09 15.49686003 26 59.838+55 39 21.96 VES250G96
CK22R030 KC2022 09 15.83532203 27 00.07 +55 42 38.7 19.8 GUES250L06
CK22R030 KC2022 09 15.83675403 27 00.07 +55 42 39.8 19.7 GUES250L06
CK22R030 KC2022 09 15.83818703 27 00.04 +55 42 40.8 20.0 GUES250L06
CK22R030 8C2022 09 15.99197 03 27 00.07 +55 44 13.0 VES250094
CK22R030 8C2022 09 15.99517 03 27 00.05 +55 44 14.9 19.6 GVES250094
CK22R030 8C2022 09 15.99837 03 27 00.02 +55 44 16.5 VES250094
CK22R030 8C2022 09 16.00834 03 27 00.01 +55 44 22.0 VES250094
CK22R030 KC2022 09 16.06586103 26 59.79 +55 44 57.1 18.8 GXES250C95
CK22R030 KC2022 09 16.08336303 26 59.77 +55 45 05.4 18.2 GXES250C95
CK22R030 mC2022 09 16.36719703 26 59.914+55 47 53.81 19.81GVES250I52
CK22R030 mC2022 09 16.37631703 26 59.975+55 47 59.24 VES250I52
CK22R030 mC2022 09 16.38748503 26 59.784+55 48 05.15 19.71GVES250I52
CK22R030 8C2022 09 18.01191 03 26 56.80 +56 03 53.4 VES250094
CK22R030 8C2022 09 18.01509 03 26 56.79 +56 03 55.6 19.7 GVES250094
CK22R030 8C2022 09 18.01933 03 26 56.77 +56 03 57.8 VES250094
CK22R030 8C2022 09 18.02251 03 26 56.74 +56 03 59.5 VES250094
CK22R030 KC2022 09 18.10290503 26 56.55 +56 04 47.3 VES250104
CK22R030 KC2022 09 18.10767603 26 56.53 +56 04 48.7 20.6 GVES250104
CK22R030 KC2022 09 18.32675 03 26 55.91 +56 06 56.4 19.9 GXES250858
CK22R030 KC2022 09 18.33521 03 26 55.89 +56 07 01.2 19.8 GXES250858
CK22R030 KC2022 09 18.34348 03 26 55.85 +56 07 06.0 20.0 GXES250858
CK22R030 C2022 09 18.43044203 26 55.504+56 07 56.96 19.70GVES250G96
CK22R030 C2022 09 18.43471303 26 55.478+56 07 59.30 19.60GVES250G96
CK22R030 C2022 09 18.43886803 26 55.475+56 08 01.79 19.69GVES250G96
CK22R030 KC2022 09 19.06426 03 26 53.18 +56 14 03.6 VES250204
CK22R030 KC2022 09 19.08681 03 26 53.05 +56 14 16.7 19.7 GVES250204
CK22R030 KC2022 09 19.10400 03 26 52.86 +56 14 27.7 19.7 VvES250A77
CK22R030 KC2022 09 19.10893 03 26 52.79 +56 14 29.2 VES250204
CK22R030 KC2022 09 19.12055 03 26 52.59 +56 14 35.9 20.0 VvES250A77
CK22R030 KC2022 09 19.13710 03 26 52.59 +56 14 46.3 19.9 VvES250A77
CK22R030 KC2022 09 20.13906 03 26 47.88 +56 24 23.8 20.1 GVES250204
CK22R030 KC2022 09 20.15033 03 26 47.80 +56 24 30.2 VES250204
CK22R030 KC2022 09 20.79347 03 26 43.94 +56 30 37.2 19.5 GVES250G00
CK22R030 KC2022 09 20.80336 03 26 44.01 +56 30 44.7 19.1 GVES250G00
CK22R030 KC2022 09 20.81454 03 26 44.01 +56 30 50.6 19.2 GVES250G00
CK22R030 KC2022 09 20.82757 03 26 43.83 +56 30 58.2 19.3 GVES250G00
CK22R030 KC2022 09 20.85235 03 26 43.77 +56 31 13.6 19.4 RqES250L27
CK22R030 KC2022 09 20.86156 03 26 43.78 +56 31 18.2 19.6 RqES250L27
CK22R030 KC2022 09 20.87115 03 26 43.68 +56 31 24.2 19.3 RqES250L27
CK22R030 KC2022 09 20.87801 03 26 43.74 +56 31 27.9 19.9 GVES250C82
CK22R030 KC2022 09 20.89389 03 26 43.38 +56 31 34.6 20.0 GVES250C82
CK22R030 KC2022 09 20.99756903 26 42.790+56 32 34.84 19.1 GVES250B49
CK22R030 KC2022 09 21.00020803 26 42.713+56 32 36.96 19.3 GVES250B49
CK22R030 KC2022 09 21.00189203 26 42.715+56 32 37.79 19.2 GVES250B49
CK22R030 KC2022 09 21.01291103 26 42.802+56 32 44.84 19.4 GVES250B49
CK22R030 C2022 09 21.09658 03 26 41.81 +56 33 33.9 19.3 RVES250118
CK22R030 C2022 09 21.11203 03 26 41.92 +56 33 42.4 19.4 RVES250118
CK22R030 KC2022 09 21.89869 03 26 36.39 +56 41 10.5 20.3 GVES250B96
CK22R030 KC2022 09 21.92862 03 26 36.10 +56 41 28.4 20.4 GVES250B96
CK22R030 KC2022 09 21.93304403 26 36.050+56 41 29.98 18.7 GXES250B72
CK22R030 KC2022 09 21.93417603 26 36.043+56 41 31.17 18.4 GXES250B72
CK22R030 KC2022 09 21.93530403 26 36.076+56 41 31.61 19.2 GXES250B72
CK22R030 KC2022 09 21.95361 03 26 35.84 +56 41 42.0 19.8 RqES250215
CK22R030 KC2022 09 21.95427803 26 35.820+56 41 42.94 19.5 GXES250K74
CK22R030 KC2022 09 21.95619 03 26 35.83 +56 41 44.5 19.4 RqES250215
CK22R030 KC2022 09 21.96098703 26 35.786+56 41 46.32 19.4 GXES250K74
CK22R030 KC2022 09 21.96166 03 26 35.81 +56 41 48.0 19.2 GVES250B96
CK22R030 KC2022 09 22.11691803 26 34.47 +56 43 16.0 20.0 GVES250L01
CK22R030 KC2022 09 22.11860603 26 34.43 +56 43 16.8 20.1 GVES250L01
CK22R030 KC2022 09 22.12029203 26 34.44 +56 43 17.9 20.5 GVES250L01
CK22R030 KC2022 09 22.13323703 26 34.33 +56 43 25.5 20.3 GVES250L01
CK22R030 KC2022 09 22.13577003 26 34.31 +56 43 26.7 20.3 GVES250L01
CK22R030 KC2022 09 22.13947003 26 34.26 +56 43 28.5 20.3 GVES250L01
CK22R030 |C2022 09 22.46472 03 26 31.52 +56 46 33.7 VES250H06
CK22R030 |C2022 09 22.47080 03 26 31.51 +56 46 37.0 18.9 GVES250H06
CK22R030 KC2022 09 22.99321103 26 26.926+56 51 32.22 19.9 GXES250K74
CK22R030 KC2022 09 23.00062303 26 26.887+56 51 36.72 19.8 GXES250K74
CK22R030 KC2022 09 23.08209 03 26 25.982+56 52 21.61 19.0 GXES250K87
CK22R030 KC2022 09 23.08868 03 26 25.793+56 52 25.72 19.5 GXES250K87
CK22R030 KC2022 09 23.86699 03 26 18.25 +56 59 45.1 19.4 GXES250G02
CK22R030 KC2022 09 23.87748 03 26 18.16 +56 59 50.3 XES250G02
CK22R030 KC2022 09 23.88794 03 26 18.16 +56 59 56.9 XES250G02
Observer details:
094 Crimea-Simeis. Observer A. Novichonok. 1.0-m f/13 reflector + CCD.
104 San Marcello Pistoiese. Observers P. Bacci, M. Maestripieri, M. D.
Grazia. Measurers P. Bacci, L. Tesi, G. Fagioli. 0.60-m F4 Reflector +
CCD.
118 Astronomical and Geophysical Observatory, Modra. Observer J. Vilagi.
0.6-m f/5.5 reflector + CCD.
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.
858 Tebbutt Observatory, Edgewood. Observer F. B. Zoltowski. 0.51-m f/8.1
0.51-m Schmidt-Cassegrain + CCD.
A77 Observatoire Chante-Perdrix, Dauban. Observer F. Kugel. 0.4-m f/2.8
reflector + CCD.
B49 Paus Observatory, Sabadell. Observer J. Camarasa. Measurer G.
Duszanowicz. 0.30-m f/4.0 reflector + CCD.
B72 Soerth. Observer B. Koch. 0.36-m f/7.6 Schmidt-Cassegrain + CCD.
B96 Brixiis Observatory, Kruibeke. Observer E. Bryssinck. 0.4-m f/3.8
reflector + CCD.
C82 Osservatorio Astronomico Nastro Verde, Sorrento. Observer N. Ruocco.
0.35-m f/6.3 0.35 m f/6.3 Schmidt-Cassegrain + CCD.
C95 SATINO Remote Observatory, Haute Provence. Observer J. Jahn. 0.60-m
f/3.2 Newtonian reflector + CCD.
G00 AZM Martinsberg, Oed. Observers M. Jaeger, E. Prosperi, S. Prosperi.
Measurer M. Jaeger. 0.28-m f/2.2 reflector + CCD.
G02 KYSUCE Observatory, Kysucke Nove Mesto. Observer M. Urbanik. 0.40-m
f/5.5 Corrected Dall-Kirkham + CCD.
G96 Mt. Lemmon Survey. Observers G. J. Leonard, K. W. Wierzchos. Measurers
E. J. Christensen, D. Fay, J. B. Fazekas, D. C. Fuls, A. R. Gibbs, A. D.
Grauer, H. Groeller, J. K. Hogan, R. A. Kowalski, S. M. Larson, G. J.
Leonard, D. Rankin, R. L. Seaman, A. Serrano, F. C. Shelly, K. W.
Wierzchos. 1.5-m reflector + 10K 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. Observer A. Serrano. Measurers
E. J. Christensen, D. Fay, J. B. Fazekas, D. C. Fuls, A. R. Gibbs, A. D.
Grauer, H. Groeller, J. K. Hogan, R. A. Kowalski, S. M. Larson, G. J.
Leonard, D. Rankin, R. L. Seaman, A. Serrano, F. C. Shelly, K. W.
Wierzchos. 1.0-m prime focus + CCD.
K74 Muensterschwarzach Observatory, Schwarzach. Observer C. Gerhard. 0.30-m
f/3.75 reflector + CCD.
K87 Dettelbach Vineyard Observatory. Observer B. Haeusler. 0.30-m f/8.0
0.30-m Schmidt-Cassegrain + CCD + CCD.
L01 Visnjan Observatory, Tican. Observers K. Korlevic, L. Poropat. Measurer
K. Korlevic. 1.0-m f/2.9 reflector + CCD.
L06 Sormano 2 Observatory, Bellagio Via Lattea. Observers E. Colzani, G.
Ventre. Measurer P. Sicoli. 0.5-m f/6.8 reflector + CCD.
L27 29PREMOTE Observatory, Dauban. Observer J.-F. Soulier. 0.25-m f/3.5
Newtonian reflector + CCD.
Orbital elements:
C/2022 R3 (Leonard)
Epoch 2022 Aug. 9.0 TT = JDT 2459800.5
T 2023 Feb. 20.72140 TT Rudenko
q 5.1476045 (2000.0) P Q
z +0.0006474 Peri. 71.37986 +0.21787928 -0.97116801
+/-0.0022308 Node 8.14988 +0.41330698 +0.00200574
e 0.9966674 Incl. 43.03968 +0.88414137 +0.23838766
From 77 observations 2022 Sept. 15-23, mean residual 0".6.
Ephemeris:
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2022 08 27 03 23 22.2 +52 23 05 5.2132 5.3196 90.5 11.0 19.8
...
2022 09 11 03 26 46.5 +54 54 54 5.0039 5.2923 101.2 10.8 19.7
...
2022 09 19 03 26 53.4 +56 13 26 4.8998 5.2786 106.8 10.5 19.7
...
2022 09 25 03 26 05.6 +57 10 19 4.8263 5.2688 110.9 10.2 19.6
2022 09 26 03 25 53.0 +57 19 35 4.8145 5.2672 111.6 10.2 19.6
2022 09 27 03 25 39.0 +57 28 47 4.8028 5.2656 112.3 10.1 19.6
...
2022 10 03 03 23 46.7 +58 22 19 4.7358 5.2563 116.3 9.8 19.6
...
2022 10 11 03 20 00.1 +59 28 24 4.6552 5.2444 121.3 9.4 19.5
...
2022 10 26 03 09 10.6 +61 10 37 4.5350 5.2240 129.5 8.4 19.5
M. P. C. Staff (C) Copyright 2022 MPC M.P.E.C. 2022-S250
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