[Iaude] MPEC L04: COMET P/2024 FG9 (Nanshan-Hahn)
mpec at cfa.harvard.edu
mpec at cfa.harvard.edu
Sat Jun 1 00:44:28 EDT 2024
M.P.E.C. 2024-L04 Issued 2024 June 1, 04:41 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 at CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
COMET P/2024 FG9 (Nanshan-Hahn)
A. Hale reports cometary activity of 2024 FG9, in 300-second follow-up
images taken on Apr. 28 UT at Haleakala-LCO OGG B #2 (T04), noting a condensed
6" coma. The object was first reported as a NEOCP candidate by R. Hahn from
Proxima Centauri Observatory - Y89 on Apr. 10 UT and while on the NEOCP,
prediscovery positions were found back to Mar. 21 UT. The object was designated
as 2024 FG9 and published on MPEC 2024-G199. Subsequently, more prediscovery
positions were found back to Mar. 2018. Additional reports of cometary features
are as follows:
OC Date Reporter Coma Tail PA Exposures
T04 2024-05-02 A. Hale 6" 300x1s
T04 2024-05-09 A. Hale 6"
G00 2024-05-10 M. Jaeger 12" 25" 100 23x60s
Q62 2024-05-13 H. Sato 15" 10" 90 15x40s
M24 2024-05-21 A. Aletti 7" 145x30s
950 2024-05-24 M. Masek 13" 46x60s
T03 2024-05-25 A. Hale 24"
Q62 2024-05-26 H. Sato 72" 16x30s
Observations:
PK24F09G ZC2018 03 29.22271507 01 02.50 +21 02 27.8 20.8 gWEL004I41
PK24F09G ZC2018 04 08.16164807 21 50.25 +19 32 58.8 20.0 rWEL004I41
PK24F09G ZC2018 04 11.18166207 28 22.39 +19 04 41.2 20.2 rWEL004I41
PK24F09G ZC2018 04 15.16329307 37 06.86 +18 26 29.6 20.5 rWEL004I41
PK24F09G ZC2018 04 15.18287607 37 09.45 +18 26 17.6 20.5 rWEL004I41
PK24F09G &C2018 05 16.96514408 49 26.94 +12 41 06.1 20.4 zWEL004W84
PK24F09G C2023 11 04.52865403 37 56.235+20 35 13.65 22.35GVEL004F51
PK24F09G C2023 11 04.53894103 37 55.681+20 35 11.41 22.22GVEL004F51
PK24F09G C2023 11 04.54923603 37 55.121+20 35 09.48 23.28GVEL004F51
PK24F09G C2023 11 10.36639703 32 43.247+20 14 04.86 23.02GVEL004F52
PK24F09G C2023 11 10.38151003 32 42.374+20 14 01.53 21.90GVEL004F52
PK24F09G C2023 11 10.39355903 32 41.633+20 13 58.44 21.81GVEL004F52
PK24F09G C2023 11 10.40638603 32 40.867+20 13 55.49 22.05GVEL004F52
PK24F09G C2023 11 18.32642803 24 45.598+19 40 00.89 21.79wXEL004F52
PK24F09G C2023 11 18.33949003 24 44.735+19 39 57.50 21.93wXEL004F52
PK24F09G C2023 11 18.35255203 24 43.915+19 39 53.94 21.94wXEL004F52
PK24F09G C2023 11 18.36557403 24 43.057+19 39 50.30 22.05wXEL004F52
PK24F09G C2023 12 04.26881103 08 35.571+18 22 56.71 22.32GVEL004F52
PK24F09G C2023 12 04.28047903 08 34.894+18 22 53.33 22.12GVEL004F52
PK24F09G C2023 12 04.30391303 08 33.539+18 22 46.62 22.42GVEL004F52
PK24F09G C2023 12 09.44305203 04 03.259+17 58 50.24 22.55GVEL004F52
PK24F09G C2023 12 09.45607703 04 02.548+17 58 45.85 22.62GVEL004F52
PK24F09G C2023 12 09.46910803 04 01.896+17 58 42.29 22.33GVEL004F52
PK24F09G C2023 12 16.26265902 59 08.383+17 30 28.53 22.34GVEL004F52
PK24F09G C2024 03 06.23479804 04 33.904+20 03 25.50 20.24GVEL004F52
PK24F09G C2024 03 06.25716704 04 36.553+20 03 31.96 20.48GVEL004F52
PK24F09G C2024 03 06.26840904 04 37.925+20 03 35.71 20.41GVEL004F52
PK24F09G KC2024 03 08.57951 04 09 23.58 +20 14 55.6 19.7 GVEL004N87
PK24F09G KC2024 03 08.59395 04 09 25.41 +20 15 00.3 20.2 GVEL004N87
PK24F09G KC2024 03 08.60840 04 09 27.23 +20 15 04.2 19.9 GVEL004N87
PK24F09G KC2024 03 09.59481 04 11 31.49 +20 19 51.3 20.0 GVEL004N89
PK24F09G KC2024 03 09.60617 04 11 32.86 +20 19 54.9 20.1 GVEL004N89
PK24F09G KC2024 03 09.61710 04 11 34.30 +20 19 58.5 20.1 GVEL004N89
PK24F09G*1C2024 03 21.12415904 37 17.987+21 12 05.44 19.55GVEL004G96
PK24F09G 1C2024 03 21.12836404 37 18.527+21 12 06.95 19.54GVEL004G96
PK24F09G 1C2024 03 21.13257804 37 19.139+21 12 07.31 19.87GVEL004G96
PK24F09G 1C2024 03 21.13681104 37 19.650+21 12 08.53 VEL004G96
PK24F09G 1C2024 03 21.14447004 37 20.788+21 12 09.97 20.11GVEL004G96
PK24F09G 1C2024 03 21.15845204 37 22.796+21 12 13.61 19.40GVEL004G96
PK24F09G 1C2024 03 21.16966704 37 24.323+21 12 16.49 19.78GVEL004G96
PK24F09G KB2024 04 10.86547505 30 02.063+22 13 12.53 18.7 VZEL004Y89
PK24F09G KB2024 04 10.88035305 30 04.363+22 13 13.26 18.1 VZEL004Y89
PK24F09G KB2024 04 10.89527205 30 06.860+22 13 14.16 18.7 VZEL004Y89
PK24F09G KB2024 04 11.86239005 32 44.605+22 14 38.51 19.0 VZEL004Y89
PK24F09G KB2024 04 11.87700205 32 47.058+22 14 39.63 19.0 VZEL004Y89
PK24F09G KB2024 04 11.89163205 32 49.415+22 14 40.82 18.3 VZEL004Y89
PK24F09G KC2024 04 12.82187 05 35 21.88 +22 15 52.4 19.2 GXEL004K78
PK24F09G KC2024 04 12.82590 05 35 22.61 +22 15 51.6 19.6 GXEL004K78
PK24F09G KC2024 04 12.82992 05 35 23.18 +22 15 53.1 19.0 GXEL004K78
PK24F09G KB2024 04 12.86133705 35 28.425+22 15 54.84 18.6 VZEL004Y89
PK24F09G KB2024 04 12.87605905 35 30.873+22 15 56.13 17.4 VZEL004Y89
PK24F09G KB2024 04 12.89077505 35 33.283+22 15 57.27 18.3 VZEL004Y89
PK24F09G KB2024 04 12.90446905 35 35.506+22 16 02.10 18.7 VZEL004Y05
PK24F09G KB2024 04 12.91587505 35 37.361+22 16 04.26 19.0 VZEL004Y05
PK24F09G KB2024 04 12.92710005 35 39.168+22 16 04.51 19.7 VZEL004Y05
PK24F09G KC2024 04 13.05972505 36 01.06 +22 16 09.6 19.5 GVEL004H21
PK24F09G KC2024 04 13.06165405 36 01.39 +22 16 09.4 19.8 GVEL004H21
PK24F09G KC2024 04 13.06358205 36 01.69 +22 16 09.4 20.1 GVEL004H21
PK24F09G KC2024 04 13.06551005 36 01.99 +22 16 09.8 20.1 GVEL004H21
PK24F09G KB2024 04 13.42658 05 37 01.44 +22 16 34.8 18.2 GXEL004Q06
PK24F09G KB2024 04 13.43255 05 37 02.42 +22 16 34.7 19.6 GXEL004Q06
PK24F09G KB2024 04 13.43851 05 37 03.37 +22 16 35.1 19.0 GXEL004Q06
PK24F09G KB2024 04 13.81771 05 38 05.97 +22 16 59.3 19.8 GVEL004204
PK24F09G KB2024 04 13.83224 05 38 08.36 +22 16 59.6 VEL004204
PK24F09G KC2024 04 13.83850605 38 09.42 +22 17 00.1 VEL004104
PK24F09G KC2024 04 13.84959505 38 11.26 +22 16 59.7 18.2 GVEL004104
PK24F09G KB2024 04 14.85325205 40 57.170+22 17 59.02 19.1 VZEL004Y89
PK24F09G KB2024 04 14.85325205 40 57.305+22 17 59.30 19.0 VZEL004Y89
PK24F09G KB2024 04 14.86857105 40 59.801+22 17 58.21 18.3 VZEL004Y89
PK24F09G KB2024 04 14.86857105 40 59.872+22 17 58.15 19.3 VZEL004Y89
PK24F09G KB2024 04 14.88477405 41 02.670+22 17 59.19 18.3 VZEL004Y89
PK24F09G KB2024 04 14.88477405 41 02.678+22 17 59.05 18.9 VZEL004Y89
PK24F09G C2024 04 15.86991 05 43 46.47 +22 18 46.9 18.7 GVEL004Z17
PK24F09G C2024 04 15.87343 05 43 47.09 +22 18 46.4 18.7 GVEL004Z17
PK24F09G C2024 04 15.87694 05 43 47.53 +22 18 45.7 18.5 GVEL004Z17
PK24F09G C2024 04 16.97570005 46 51.39 +22 19 28.8 WEL004X09
PK24F09G C2024 04 16.98617205 46 53.14 +22 19 30.0 WEL004X09
PK24F09G C2024 04 17.00011205 46 55.47 +22 19 29.4 WEL004X09
PK24F09G C2024 04 28.24134 06 19 00.33 +22 13 06.4 18.5 GVEL004T04
PK24F09G C2024 04 28.24485 06 19 00.98 +22 13 06.4 18.8 GVEL004T04
PK24F09G C2024 04 28.24837 06 19 01.62 +22 13 05.6 VEL004T04
PK24F09G C2024 05 02.24265 06 30 42.30 +22 04 52.7 18.4 GVEL004T04
PK24F09G C2024 05 02.24618 06 30 42.94 +22 04 52.0 18.2 GVEL004T04
PK24F09G C2024 05 02.24969 06 30 43.57 +22 04 51.4 18.4 GVEL004T04
PK24F09G C2024 05 09.24496 06 51 26.32 +21 42 28.5 18.3 GVEL004T04
PK24F09G C2024 05 09.24848 06 51 27.04 +21 42 27.4 18.6 GVEL004T04
PK24F09G C2024 05 09.25199 06 51 27.53 +21 42 26.9 17.9 GVEL004T04
PK24F09G KB2024 05 10.84269 06 56 12.46 +21 35 52.5 18.2 GXEL004G00
PK24F09G KB2024 05 10.84849 06 56 13.39 +21 35 51.6 18.5 GXEL004G00
PK24F09G 1C2024 05 13.35252 07 03 42.91 +21 24 34.6 VEL004Q62
PK24F09G 1C2024 05 13.35634 07 03 43.58 +21 24 33.2 17.9 GVEL004Q62
PK24F09G KC2024 05 21.73860 07 28 54.09 +20 36 44.7 18.5 GVEL004M21
PK24F09G KC2024 05 21.76557 07 28 58.96 +20 36 34.3 VEL004M21
PK24F09G :C2024 05 24.89539 07 38 23.63 +20 14 50.9 17.6 VqEL004950
PK24F09G :C2024 05 24.91432 07 38 26.98 +20 14 42.9 17.6 VqEL004950
PK24F09G C2024 05 25.25086 07 39 27.67 +20 12 16.6 17.5 GVEL004T03
PK24F09G C2024 05 25.25437 07 39 28.29 +20 12 14.9 17.4 GVEL004T03
PK24F09G 1C2024 05 26.34841 07 42 45.65 +20 04 11.5 VEL004Q62
PK24F09G 1C2024 05 26.35042 07 42 46.00 +20 04 10.6 VEL004Q62
PK24F09G 1C2024 05 26.35244 07 42 46.39 +20 04 09.4 VEL004Q62
PK24F09G 1C2024 05 26.35445 07 42 46.72 +20 04 08.4 14.9 GVEL004Q62
PK24F09G KB2024 05 29.87277807 53 20.371+19 36 17.70 17.0 VZEL004Y89
PK24F09G KB2024 05 29.87908007 53 21.509+19 36 13.96 16.9 VZEL004Y89
PK24F09G KB2024 05 29.89123807 53 23.680+19 36 08.18 16.9 VZEL004Y89
Observer details:
104 San Marcello Pistoiese. Observers P. Bacci, M. Maestripieri. Measurers
P. Bacci, L. Tesi, G. Fagioli. 0.60-m F4 Reflector + CCD.
204 Schiaparelli Observatory. Observer L. Buzzi. 0.84-m f/3.5 reflector +
CMO.
950 La Palma. Observer M. Masek. 0.25-m f/6.8 reflector + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Herman, T. Lowe, P. Minguez, A.
Schultz, I. Smith. Measurers K. Chambers, T. de Boer, J. Fairlamb, H.
Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R.
Weryk. 1.8-m Ritchey-Chretien + CCD.
F52 Pan-STARRS 2, Haleakala. Observers J. Herman, T. Lowe, P. Minguez, A.
Schultz, I. Smith. Measurers K. Chambers, T. de Boer, J. Fairlamb, H.
Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R.
Weryk. 1.8-m Ritchey-Chretien + CCD.
G00 AZM Martinsberg, Oed. Observers M. Jaeger, E. Prosperi. Measurer M.
Jaeger. 0.40-m f/3.2 reflector + CMO.
G96 Mt. Lemmon Survey. Observer G. J. Leonard. Measurers T. Beuden, V. F.
Carvajal, 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, F. C. Shelly, K. W. Wierzchos. 1.5-m reflector +
10K CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers T. Linder, R. Holmes, L. Horn. 0.76-m f/3.0 astrograph + CCD.
I41 Palomar Mountain--ZTF. Observer . Measurer S. Deen. 1.2-m Oschin
Schmidt + CCD.
K78 iota Scorpii Observatory, La Spezia. Observers G. Scarfi, P. Boongerd.
0.40-m f/6.1 reflector + CCD.
M21 Schiaparelli Southern Observatory, Hakos. Observers A. Aletti, F.
Bellini, L. Buzzi, G. Galli, M. Auteri. Measurers A. Aletti, M. Auteri.
0.36-m f/8.4 reflector + CCD.
N87 Nanshan Station, Xinjiang Observatory. Observers M. Zhang, G.-Y. Sun, X.
Gao, U. Mahmut, G.-J. Feng. Measurers M. Zhang, X. Liao, Z.-S. Yang,
W.-J. Zhou. 1.0-m f/2.2 reflector + CCD.
N89 Xingming Observatory #2, Nanshan. Observer X. Gao. Measurers W.-J. Zhou,
Z.-Y. Chen, M. Zhang, Z.-S. Yang, X. Liao. 0.50-m f/4 reflector + CCD.
Q06 Tarui Observatory, Tarui. Observer H. Watanabe. 0.35-m f/1.9 Schmidt-
Cassegrain + CMO.
Q62 iTelescope Observatory, Siding Spring. Observer H. Sato. 0.51-m f/6.8
astrograph + CCD.
T03 Haleakala-LCO Clamshell #3. Observer A. Hale. 0.35-m f/3 Cassegrain +
CCD.
T04 Haleakala-LCO OGG B #2. Observer A. Hale. 0.35-m f/3 Cassegrain + CCD.
W84 Cerro Tololo-DECam. Observer E. Savary. Measurer S. Deen. 4.0-m
reflector + CCD.
X09 Deep Random Survey, Rio Hurtado. Observers A. Schnabel, D. Ruhela.
Measurer S. Deen. 0.43-m reflector + CMOS.
Y05 SONEAR Wykrota-CEAMIG, Serra da Piedade. Observers C. Jacques, A.
Caetano, E. Pimentel. Measurer C. Jacques. 0.45-m f/2.9 reflector + CMO.
Y89 Proxima Centauri Observatory, Valdin. Observer R. Hahn. 0.36-m f/2.0
reflector + CMO.
Z17 Tenerife-LCO Aqawan A #2. Observer A. Hale. 0.35-m f/3 Cassegrain + CCD.
Orbital elements:
P/2024 FG9 (Nanshan-Hahn)
Epoch 2024 May 10.0 TT = JDT 2460440.5
T 2024 May 20.33999 TT Rudenko
q 1.5963737 (2000.0) P Q
n 0.16774574 Peri. 245.90699 -0.75375681 -0.65651784
a 3.2561299 Node 253.04463 +0.61336521 -0.68706842
e 0.5097328 Incl. 1.73115 +0.23586818 -0.31132189
P 5.88
>From 98 observations 2018 Mar. 29-2024 May 26, mean residual 0".6.
P/2024 FG9 (Nanshan-Hahn)
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5
T 2018 Mar. 22.15494 TT Rudenko
q 1.7134945 (2000.0) P Q
n 0.16423042 Peri. 184.47815 -0.71791386 -0.68686853
a 3.3024302 Node 311.45964 +0.64328769 -0.59244808
e 0.4811414 Incl. 8.68676 +0.26604630 -0.42097137
P 6.00
>From 98 observations 2018 Mar. 29-2024 May 26, mean residual 0".6.
P/2024 FG9 (Nanshan-Hahn)
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 May 20.33689 TT Rudenko
q 1.5963784 (2000.0) P Q
n 0.16773648 Peri. 245.90516 -0.75373650 -0.65654115
a 3.2562497 Node 253.04469 +0.61338645 -0.68704944
e 0.5097494 Incl. 1.73115 +0.23587781 -0.31131462
P 5.88
>From 98 observations 2018 Mar. 29-2024 May 26, mean residual 0".6.
Ephemeris:
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2024 05 02 06 29 59.6 +22 05 29 1.9518 1.6063 55.2 31.0 17.5
...
2024 05 17 07 14 39.5 +21 05 33 2.0237 1.5967 51.1 29.5 17.6
...
2024 05 25 07 38 42.6 +20 14 07 2.0641 1.5970 49.1 28.7 17.6
...
2024 05 31 07 56 43.1 +19 26 55 2.0958 1.5997 47.7 27.9 17.6
2024 06 01 07 59 42.8 +19 18 21 2.1012 1.6004 47.4 27.8 17.7
2024 06 02 08 02 42.2 +19 09 36 2.1066 1.6011 47.2 27.7 17.7
...
2024 06 08 08 20 34.9 +18 13 03 2.1400 1.6066 45.8 26.9 17.7
...
2024 06 16 08 44 09.5 +16 47 39 2.1867 1.6172 44.0 25.8 17.8
...
2024 07 01 09 27 14.2 +13 41 22 2.2814 1.6464 40.5 23.6 18.0
M. P. C. Staff (C) Copyright 2024 MPC M.P.E.C. 2024-L04
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