MPEC 2023-H240 : COMET P/2022 BV9 (Lemmon)
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Read MPEC 2023-H241
M.P.E.C. 2023-H240 Issued 2023 April 29, 05:32 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets, routine data on comets and natural satellites,
and occasional editorial announcements. 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/2022 BV9 (Lemmon)
H. Sato reports cometary activity of 2022 BV9 (discovered by Mt. Lemmon
Survey on Jan 1, 2022 UT) in 9-stacked 120-second exposures taken by
iTelescope Observatory (U94) on Apr. 11 UT, noting a condensed 10" coma.
Additional reports of cometary features are as follows:
OC Date Reporter Coma Tail PA Exposures
I41 2022-01-25 M. Kelley 10" 8" 263 1x30s
I41 2022-08-28 M. Kelley 8" 10" 272 5x30s
I41 2022-09-21 M. Kelley 5" 9" 283 1x30s
I41 2022-11-04 M. Kelley 7" 7" 277 2x30s
F51 2022-12-15 R. Weryk 3" 5" 250-300 4x45s
I41 2022-12-24 M. Kelley 7" 8" 277 3x30s
F52 2023-01-14 P. VanWylen 4" 7" 245-315 4x45s
F52 2023-01-24 P. VanWylen 4" 7" 250-305 4x45s
Observations:
PK22B09V C2021 02 06.09728023 51 15.11 +05 15 57.0 19.58rUEH240I41
PK22B09V C2021 02 06.10434023 51 15.59 +05 16 00.9 19.65rUEH240I41
PK22B09V C2021 02 06.10670023 51 15.77 +05 16 02.3 20.05rUEH240I41
PK22B09V C2021 02 07.10024023 52 26.09 +05 24 23.3 19.73rUEH240I41
PK22B09V C2021 02 07.10262023 52 26.21 +05 24 25.0 19.54rUEH240I41
PK22B09V C2021 02 07.10736023 52 26.56 +05 24 26.8 19.90rUEH240I41
PK22B09V C2021 02 08.10185023 53 37.21 +05 32 51.3 19.45rUEH240I41
PK22B09V C2021 02 08.10422023 53 37.39 +05 32 52.5 19.86rUEH240I41
PK22B09V C2021 02 08.10660023 53 37.52 +05 32 54.0 19.80rUEH240I41
PK22B09V C2021 02 08.10897023 53 37.70 +05 32 55.3 19.80rUEH240I41
PK22B09V C2021 02 11.10503023 57 12.00 +05 58 25.9 19.88rUEH240I41
PK22B09V C2021 02 11.10743123 57 12.20 +05 58 27.4 19.95rUEH240I41
PK22B09V C2021 02 11.10983023 57 12.38 +05 58 28.7 19.80rUEH240I41
PK22B09V* C2022 01 30.12885303 09 56.65 +31 21 57.7 20.54GVEH240G96
PK22B09V C2022 01 30.13448803 09 56.80 +31 21 57.4 20.58GVEH240G96
PK22B09V C2022 01 30.14012403 09 56.93 +31 21 56.6 20.28GVEH240G96
PK22B09V C2022 01 30.14574403 09 57.07 +31 21 56.1 20.43GVEH240G96
PK22B09V mC2022 01 30.21396103 09 58.77 +31 21 47.9 20.46GVEH240I52
PK22B09V mC2022 01 30.22736303 09 59.13 +31 21 46.7 20.16GVEH240I52
PK22B09V mC2022 01 30.24264103 09 59.46 +31 21 44.2 20.74GVEH240I52
PK22B09V KC2022 01 30.74593803 10 12.81 +31 20 51.4 19.7 G EH240C95
PK22B09V KC2022 01 30.75672503 10 13.09 +31 20 50.6 19.4 G EH240C95
PK22B09V KC2022 01 30.75696503 10 13.08 +31 20 48.0 20.8 GVEH240L01
PK22B09V KC2022 01 30.76304303 10 13.23 +31 20 47.7 20.9 GVEH240L01
PK22B09V KC2022 01 30.76791803 10 13.35 +31 20 47.2 20.8 GVEH240L01
PK22B09V KC2022 01 30.76950403 10 13.39 +31 20 46.8 20.9 GVEH240L01
PK22B09V KC2022 01 30.77188203 10 13.46 +31 20 46.7 20.6 GVEH240L01
PK22B09V KC2022 01 30.79145 03 10 13.95 +31 20 45.0 19.7 GXEH240J57
PK22B09V KC2022 01 30.80922 03 10 14.42 +31 20 43.0 19.7 GXEH240J57
PK22B09V KC2022 01 30.82586 03 10 14.85 +31 20 41.0 19.4 GXEH240J57
PK22B09V KC2022 01 31.12073 03 10 22.77 +31 20 08.5 18.3 VZEH240V41
PK22B09V KC2022 01 31.13133 03 10 23.05 +31 20 10.3 19.4 VZEH240V41
PK22B09V C2022 01 31.13512803 10 23.10 +31 20 08.0 21.1 GVEH240654
PK22B09V KC2022 01 31.14187 03 10 23.33 +31 20 04.9 19.0 VZEH240V41
PK22B09V C2022 01 31.17868203 10 24.20 +31 20 03.3 21.1 GVEH240654
PK22B09V C2022 01 31.22069503 10 25.29 +31 19 58.5 21.1 GVEH240654
PK22B09V HC2022 01 31.24418 03 10 25.85 +31 19 56.4 20.6 RoEH240691
PK22B09V HC2022 01 31.26082 03 10 26.33 +31 19 54.6 20.5 RoEH240691
PK22B09V HC2022 01 31.27746 03 10 26.77 +31 19 52.6 20.6 RoEH240691
PK22B09V KC2022 01 31.81740103 10 41.60 +31 18 56.0 19.6 GVEH240Z33
PK22B09V KC2022 01 31.83754 03 10 42.09 +31 18 53.5 20.0 GXEH240K78
PK22B09V KC2022 01 31.86002 03 10 42.73 +31 18 52.0 19.9 GXEH240K78
PK22B09V KC2022 01 31.87820603 10 43.21 +31 18 49.1 20.4 GVEH240Z33
PK22B09V KC2022 02 01.01914403 10 47.08 +31 18 32.8 19.6 GXEH240958
PK22B09V KC2022 02 01.02886803 10 47.40 +31 18 33.0 19.7 GXEH240958
PK22B09V KC2022 02 01.20820 03 10 52.38 +31 18 14.8 20.1 GVEH240U52
PK22B09V KC2022 02 01.22266 03 10 52.81 +31 18 13.9 20.4 GVEH240U52
PK22B09V KC2022 02 01.23713 03 10 52.97 +31 18 14.0 19.3 GVEH240U52
PK22B09V KC2022 02 01.77748 03 11 08.38 +31 17 17.7 20.4 VZEH240K19
PK22B09V KC2022 02 01.79973 03 11 09.04 +31 17 14.9 21.1 VZEH240K19
PK22B09V KC2022 02 01.80531903 11 09.16 +31 17 14.4 20.2 GVEH240K63
PK22B09V KC2022 02 01.82578203 11 09.79 +31 17 13.6 21.1 GVEH240K63
PK22B09V C2022 02 02.12640803 11 18.44 +31 16 44.1 20.2 GVEH240654
PK22B09V C2022 02 02.13442703 11 18.58 +31 16 45.0 20.2 GVEH240654
PK22B09V C2022 02 02.17602603 11 19.82 +31 16 39.0 20.9 GVEH240654
PK22B09V C2022 02 02.18404503 11 20.04 +31 16 38.2 20.9 GVEH240654
PK22B09V KC2022 02 04.78150 03 12 38.49 +31 12 39.0 20.6 GVEH240204
PK22B09V KC2022 02 04.81535 03 12 39.54 +31 12 36.0 VEH240204
PK22B09V C2022 03 14.12449403 41 48.94 +31 02 06.5 20.22GVEH240G96
PK22B09V C2022 03 14.13012603 41 49.23 +31 02 06.6 19.98GVEH240G96
PK22B09V C2022 03 14.13575703 41 49.57 +31 02 07.2 19.99GVEH240G96
PK22B09V C2022 03 14.14140703 41 49.96 +31 02 07.4 20.09GVEH240G96
PK22B09V C2022 04 18.13954104 21 16.790+31 37 48.40 19.70rUEH240I41
PK22B09V C2022 04 18.14669004 21 17.321+31 37 48.68 19.62rUEH240I41
PK22B09V C2022 04 19.13778004 22 30.799+31 39 00.29 19.70rUEH240I41
PK22B09V C2022 04 19.14016004 22 30.941+31 39 00.90 19.65rUEH240I41
PK22B09V C2022 04 19.14493104 22 31.310+31 39 00.79 19.72rUEH240I41
PK22B09V C2022 12 15.57020407 41 10.142+33 20 27.68 21.02GVEH240F51
PK22B09V C2022 12 15.58316907 41 09.648+33 20 28.95 20.88GVEH240F51
PK22B09V C2022 12 15.59615707 41 09.162+33 20 30.34 20.93GVEH240F51
PK22B09V C2022 12 15.60918207 41 08.686+33 20 31.63 20.97GVEH240F51
PK22B09V C2022 12 24.37309207 35 29.328+33 34 07.93 19.53GVEH240V00
PK22B09V C2022 12 24.37809307 35 29.101+33 34 08.36 19.35GVEH240V00
PK22B09V C2022 12 24.38305407 35 28.907+33 34 08.80 19.45GVEH240V00
PK22B09V C2022 12 24.38801907 35 28.698+33 34 09.19 19.43GVEH240V00
PK22B09V C2022 12 29.84985307 31 33.97 +33 40 38.9 18.9 RVEH240D29
PK22B09V C2022 12 29.86399407 31 33.47 +33 40 40.5 19.6 RVEH240D29
PK22B09V C2022 12 30.52255207 31 04.39 +33 41 19.9 18.5 RVEH240D29
PK22B09V C2022 12 30.53669307 31 03.91 +33 41 20.5 19.0 RVEH240D29
PK22B09V C2022 12 30.61485607 31 00.37 +33 41 25.3 18.6 RVEH240D29
PK22B09V C2022 12 30.63253307 30 59.52 +33 41 27.2 18.8 RVEH240D29
PK22B09V C2022 12 30.65021007 30 58.66 +33 41 27.0 18.9 RVEH240D29
PK22B09V C2022 12 31.79982807 30 07.32 +33 42 34.0 18.2 RVEH240D29
PK22B09V C2022 12 31.81750407 30 06.59 +33 42 33.3 18.5 RVEH240D29
PK22B09V C2023 01 14.32962807 19 50.951+33 48 04.45 20.55wUEH240F52
PK22B09V C2023 01 14.34099107 19 50.388+33 48 04.50 20.82wUEH240F52
PK22B09V C2023 01 14.35234807 19 49.904+33 48 04.33 20.56wUEH240F52
PK22B09V C2023 01 14.36373407 19 49.355+33 48 04.40 20.90wUEH240F52
PK22B09V C2023 01 20.33334007 15 23.896+33 46 01.29 20.06wUEH240F52
PK22B09V C2023 01 20.34534807 15 23.325+33 46 00.65 20.34wUEH240F52
PK22B09V C2023 01 20.35736307 15 22.821+33 46 00.15 20.00wUEH240F52
PK22B09V C2023 01 20.36945707 15 22.259+33 45 59.97 20.34wUEH240F52
PK22B09V C2023 01 24.32270307 12 34.490+33 43 06.07 20.28wUEH240F52
PK22B09V C2023 01 24.33471607 12 33.972+33 43 05.41 20.58wUEH240F52
PK22B09V C2023 01 24.35883807 12 32.937+33 43 03.93 20.90wUEH240F52
PK22B09V C2023 01 24.64190807 12 21.05 +33 42 48.4 19.1 RVEH240D29
PK22B09V C2023 01 24.65781707 12 20.28 +33 42 47.6 18.5 RVEH240D29
PK22B09V C2023 01 24.67372707 12 19.50 +33 42 46.2 19.6 RVEH240D29
PK22B09V 1C2023 01 25.25012607 11 56.267+33 42 13.03 18.94GVEH240703
PK22B09V 1C2023 01 25.25564707 11 55.928+33 42 13.93 19.06GVEH240703
PK22B09V 1C2023 01 25.26112307 11 55.612+33 42 13.64 19.25GVEH240703
PK22B09V 1C2023 01 25.26670407 11 55.338+33 42 13.25 19.20GVEH240703
PK22B09V KC2023 04 08.85856 07 03 48.38 +30 38 14.3 VEH240204
PK22B09V KC2023 04 08.89302 07 03 49.35 +30 38 07.2 21 GVEH240204
PK22B09V KC2023 04 09.86187 07 04 17.02 +30 35 05.0 qEH240A77
PK22B09V KC2023 04 09.88165 07 04 17.62 +30 35 01.1 19.8 VqEH240A77
PK22B09V KC2023 04 09.90066 07 04 18.24 +30 34 57.7 20.8 VqEH240A77
PK22B09V 0C2023 04 11.14325 07 04 54.59 +30 31 06.1 VEH240U94
PK22B09V 0C2023 04 11.15011 07 04 54.77 +30 31 04.8 19.6 GVEH240U94
Observer details:
204 Schiaparelli Observatory. Observer L. Buzzi. 0.84-m f/3.5 reflector +
CCD.
654 Table Mountain Observatory, Wrightwood-PHMC. Observers N. Evans, P. Choi,
N. Saini, C. Zhai, R. Trahan, M. Shao. 1.0-m reflector + CCD.
691 Steward Observatory, Kitt Peak-Spacewatch. Observer A. F. Tubbiolo.
0.9-m f/3 reflector + CCD.
703 Catalina Sky Survey. Observer D. Rankin. 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. 0.68-m Schmidt + 10K
CCD.
958 Observatoire de Dax. Observer P. Dupouy. 0.50-m f/6 reflector + CCD.
A77 Observatoire Chante-Perdrix, Dauban. Observer F. Kugel. 0.40-m f/2.8
reflector + CCD.
C95 SATINO Remote Observatory, Haute Provence. Observer J. Jahn. 0.60-m
f/3.2 Newtonian reflector + CCD.
D29 Purple Mountain Observatory, XuYi Station. Observers H. B. Zhao, B. Li,
G. Zhaori, R. Q. Hong, L. F. Hu. Measurers H. B. Zhao, B. Li, H. Lu, G.
Zhaori, Z. J. Xu. 1.04-m f/1.8 Schmidt + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, A.
Schultz, I. Smith. Measurers S. Chastel, J. Fairlamb, M. Huber, Y.
Ramanjooloo, P. VanWylen, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien
+ CCD.
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, T. Dukes, T. Lowe, A.
Schultz, M. Willman. Measurers K. Chambers, S. Chastel, T. de Boer, L.
Denneau, J. Fairlamb, H. Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y.
Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey. Observers R. A. Kowalski, A. Serrano, K. W. Wierzchos.
Measurers E. J. Christensen, G. A. Farneth, J. B. Fazekas, D. C. Fuls, A.
R. Gibbs, A. D. Grauer, H. Groeller, 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.
I41 Palomar Mountain--ZTF. Observers B. T. Bolin, Z. T. F. Collaboration.
Measurers B. T. Bolin, W.-H. Ip, Z.-Y. Lin, F. J. Masci, G. Helou, E. A.
Kramer, T. A. Prince. 1.2-m f/2.4 Schmidt.
I52 Steward Observatory, Mt. Lemmon Station. Observer D. C. Fuls. Measurers
E. J. Christensen, G. A. Farneth, J. B. Fazekas, D. C. Fuls, A. R. Gibbs,
A. D. Grauer, H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, D.
Rankin, R. L. Seaman, A. Serrano, F. C. Shelly, K. W. Wierzchos.
J57 Centro Astronomico Alto Turia, Valencia. Observer A. Fornas. Measurers
A. Fornas, G. Fornas, E. Arce, V. Mas. 0.43-m f/6.8 reflector + CCD.
K19 PASTIS Observatory, Banon. Observer C. Demeautis. 0.28-m f/2.2 reflector
+ CCD.
K63 G. Pascoli Observatory, Castelvecchio Pascoli. Observer R. Bacci. 0.41-m
f/3.21 Newtonian reflector + CCD.
K78 iota Scorpii Observatory, La Spezia. Observers G. Scarfi, L. Sannino.
0.40-m f/6 reflector + CCD.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector
+ CCD.
U52 Shasta Valley Observatory, Grenada. Observer J. E. Rogers.
U94 iTelescope Observatory, Beryl Junction (Sato). Observer H. Sato. 0.51-m
f/6.8 astrograph + CCD + f/4.5 focal reducer.
V00 Kitt Peak-Bok. Observer R. A. Mastaler. Measurers M. J. Brucker, E. J.
Christensen, C. E. Woodward, 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, R. S. McMillan, D. Rankin, R. L. Seaman, A.
Serrano, F. C. Shelly, K. W. Wierzchos. 2.25-m reflector + 4x4K mosaic
CCD.
V41 Rapid City. Observer R. Michael.
Z33 6ROADS Observatory 2, Nerpio. Observers R. Reszelewski, M. Zolnowski, M.
Gedek, K. Zukowski, T. Santana-Ros. Measurer R. Reszelewski. 0.4-m f/8
reflector + CCD.
Orbital elements:
P/2022 BV9 (Lemmon)
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2020 Oct. 23.87627 TT Rudenko
q 3.3364938 (2000.0) P Q
n 0.10824849 Peri. 16.20254 +0.99124765 +0.10516529
a 4.3603514 Node 337.29909 -0.13189208 +0.81503369
e 0.2348108 Incl. 11.93391 +0.00570674 +0.56978974
P 9.11
From 107 observations 2021 Feb. 6-2023 Apr. 11, mean residual 0".7.
Ephemeris:
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2023 03 30 06 59 49.6 +31 08 45 4.5115 4.6906 94.1 12.3 19.5
...
2023 04 14 07 06 22.2 +30 22 10 4.7675 4.7159 81.0 12.1 19.6
...
2023 04 22 07 10 58.2 +29 56 52 4.9016 4.7293 74.3 11.8 19.7
...
2023 04 28 07 14 51.4 +29 37 38 4.9997 4.7393 69.4 11.5 19.8
2023 04 29 07 15 32.2 +29 34 24 5.0157 4.7410 68.5 11.4 19.8
2023 04 30 07 16 13.6 +29 31 10 5.0317 4.7426 67.7 11.3 19.8
...
2023 05 06 07 20 32.5 +29 11 35 5.1258 4.7525 62.9 10.9 19.8
...
2023 05 14 07 26 43.6 +28 44 59 5.2457 4.7656 56.7 10.2 19.9
...
2023 05 29 07 39 24.9 +27 53 17 5.4494 4.7898 45.2 8.6 20.0
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-H240
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