[Iaude] MPEC H65: COMET P/2006 AH2 = P/2022 U6 (Sheppard-Tholen)
mpec at cfa.harvard.edu
mpec at cfa.harvard.edu
Tue Apr 23 01:25:37 EDT 2024
M.P.E.C. 2024-H65 Issued 2024 April 23, 05:10 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/2006 AH2 = P/2022 U6 (Sheppard-Tholen)
An object reported by D. Tholen as a possible comet in images taken 2022
Oct. 28 UT from Subaru Telescope (T09) was identified by the MPC as being
minor planet 2006 AH2. Tholen noted a 1" coma and 13" tail at PA 260.
Additional reports of cometary features are as follows:
OC Date Reporter Coma Tail PA Exposures
T14 2023-12-21 H. Sato 5" 12x120s
Observations:
PK06A02H* C2006 01 02.36869 07 31 56.31 +15 29 06.2 20.3 VrEH065G96
PK06A02H C2006 01 02.37784 07 31 55.99 +15 29 05.4 20.2 VrEH065G96
PK06A02H C2006 01 02.40164 07 31 55.20 +15 29 04.7 20.6 VrEH065G96
PK06A02H C2006 01 02.41685 07 31 54.62 +15 29 03.6 21.1 VrEH065G96
PK06A02H C2006 01 04.26403 07 30 50.68 +15 27 41.8 20.7 VcEH065691
PK06A02H C2006 01 04.28664 07 30 49.96 +15 27 40.8 20.6 VcEH065691
PK06A02H C2006 01 04.30926 07 30 49.04 +15 27 39.5 20.6 VcEH065691
PK06A02H 5C2006 12 26.59635910 58 52.09 -04 50 51.7 22.9 gWEH065T14
PK06A02H 5C2006 12 26.61438310 58 52.17 -04 50 55.3 22.6 rWEH065T14
PK06A02H 5C2006 12 26.63027310 58 52.25 -04 50 58.2 22.2 zWEH065T14
PK22U060 KC2022 10 19.38053303 59 04.385+26 15 51.54 VEH065F52
PK22U060 C2022 10 23.44204203 57 43.055+26 09 37.04 23.33GVEH065F51
PK22U060 C2022 10 23.45362603 57 42.748+26 09 35.45 23.34GVEH065F51
PK22U060 C2022 10 23.46523603 57 42.503+26 09 34.40 23.50GVEH065F51
PK22U060 C2022 10 23.47693603 57 42.229+26 09 33.65 23.35GVEH065F51
PK22U060*0C2022 10 28.45693003 55 44.601+26 00 19.23 22.29GVEH065T09
PK22U060 0C2022 10 28.58111503 55 41.300+26 00 03.94 22.26GVEH065T09
PK22U060 C2022 10 31.37277603 54 27.698+25 54 07.07 23.04GVEH065F52
PK22U060 C2022 10 31.38668603 54 27.289+25 54 05.53 22.05GVEH065F52
PK22U060 C2022 10 31.40058903 54 26.879+25 54 03.69 22.28GVEH065F52
PK22U060 C2022 10 31.42811303 54 26.123+25 54 00.30 22.81GVEH065F52
PK22U060 C2022 10 31.43891903 54 25.799+25 53 58.64 22.86GVEH065F52
PK22U060 C2022 11 16.32217703 46 10.515+25 10 41.61 21.97GVEH065F52
PK22U060 C2022 11 16.33544203 46 10.051+25 10 39.20 22.56GVEH065F52
PK22U060 C2022 11 16.34870603 46 09.571+25 10 36.68 21.98GVEH065F52
PK22U060 C2022 11 16.36207003 46 09.114+25 10 34.25 22.55GVEH065F52
PK22U060 C2022 11 24.33356003 41 37.010+24 43 47.89 21.92GVEH065V00
PK22U060 C2022 11 24.33855203 41 36.841+24 43 47.03 21.97GVEH065V00
PK22U060 C2022 11 24.34819003 41 36.456+24 43 44.94 22.22GVEH065V00
PK22U060 C2022 11 24.35322103 41 36.265+24 43 43.25 22.53GVEH065V00
PK22U060 1C2022 12 17.15451703 30 11.210+23 20 07.01 21.01GVEH065G96
PK22U060 1C2022 12 17.16009103 30 11.020+23 20 05.68 22.48GVEH065G96
PK22U060 1C2022 12 17.16565903 30 10.919+23 20 04.13 21.59GVEH065G96
PK22U060 1C2022 12 17.17123403 30 10.832+23 20 02.69 21.55GVEH065G96
PK22U060 C2023 12 13.40040708 14 26.833+13 05 39.52 20.99GVEH065V00
PK22U060 C2023 12 13.40530908 14 26.736+13 05 39.48 VEH065V00
PK22U060 C2023 12 13.41020408 14 26.660+13 05 38.80 20.70GVEH065V00
PK22U060 C2023 12 13.41509208 14 26.588+13 05 38.11 20.87GVEH065V00
PK22U060 C2023 12 16.44896608 13 32.892+13 00 02.76 21.50wXEH065F51
PK22U060 C2023 12 16.46189108 13 32.611+13 00 01.47 21.50wXEH065F51
PK22U060 C2023 12 16.49441908 13 31.958+12 59 58.33 21.52wXEH065F51
PK22U060 0C2023 12 21.30251 08 11 50.18 +12 52 20.8 VEH065X07
PK22U060 0C2023 12 21.31201 08 11 49.98 +12 52 19.6 20.8 GVEH065X07
PK22U060 C2024 01 02.55720908 06 14.979+12 39 09.62 21.20wXEH065F52
PK22U060 C2024 01 02.56768308 06 14.629+12 39 09.24 21.35wXEH065F52
PK22U060 C2024 01 02.57813708 06 14.289+12 39 09.15 21.00wXEH065F52
PK22U060 C2024 01 02.58858608 06 13.985+12 39 08.41 21.20wXEH065F52
PK22U060 C2024 01 06.42409708 04 11.685+12 36 51.25 21.02wXEH065F52
PK22U060 C2024 01 06.43515208 04 11.306+12 36 50.77 21.20wXEH065F52
PK22U060 C2024 01 06.47865608 04 09.837+12 36 49.56 20.98wXEH065F52
PK22U060 C2024 01 08.71969 08 02 55.57 +12 35 51.8 20.5 wVEH065O18
PK22U060 C2024 01 08.72616 08 02 55.36 +12 35 51.5 20.7 wVEH065O18
PK22U060 C2024 01 08.73267 08 02 55.14 +12 35 51.3 20.7 wVEH065O18
PK22U060 1C2024 01 11.30111808 01 28.117+12 35 05.89 20.24GVEH065G96
PK22U060 1C2024 01 11.30628108 01 27.898+12 35 06.54 20.23GVEH065G96
PK22U060 1C2024 01 11.31142908 01 27.761+12 35 05.82 20.43GVEH065G96
PK22U060 1C2024 01 11.31658808 01 27.520+12 35 05.89 20.50GVEH065G96
PK22U060 C2024 02 03.30882907 48 31.714+12 40 43.67 21.08wXEH065F52
PK22U060 C2024 02 03.32051907 48 31.359+12 40 44.05 20.81wXEH065F52
PK22U060 C2024 02 03.33225207 48 30.996+12 40 44.07 21.05wXEH065F52
PK22U060 C2024 02 03.34405307 48 30.617+12 40 44.79 21.01wXEH065F52
Observer details:
691 Steward Observatory, Kitt Peak-Spacewatch. Observer M. T. Read. 0.9-m
f/3 reflector + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Dukes, T.
Lowe, A. Schultz, I. Smith, J. Herman, P. Minguez. Measurers S. Chastel,
J. Fairlamb, M. Huber, Y. Ramanjooloo, R. Wainscoat, R. Weryk, K.
Chambers, T. de Boer, H. Gao, C.-C. Lin, E. Magnier. 1.8-m Ritchey-
Chretien + CCD.
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, K. Chambers, T. Dukes, T.
Lowe, A. Schultz, I. Smith, J. Herman, P. Minguez. Measurers S. Chastel,
J. Fairlamb, M. Huber, Y. Ramanjooloo, R. Wainscoat, R. Weryk, K.
Chambers, T. de Boer, H. Gao, C.-C. Lin, E. Magnier. 1.8-m Ritchey-
Chretien + CCD.
G96 Mt. Lemmon Survey. Observers E. C. Beshore, A. Serrano, J. K. Hogan.
Measurers E. C. Beshore, E. J. Christensen, G. J. Garradd, A. D. Grauer,
R. E. Hill, R. A. Kowalski, S. M. Larson, R. H. McNaught, D. Fay, J. B.
Fazekas, D. C. Fuls, A. R. Gibbs, H. Groeller, J. K. Hogan, G. J. Leonard,
D. Rankin, R. L. Seaman, A. Serrano, F. C. Shelly, K. W. Wierzchos, T.
Beuden, V. F. Carvajal. 1.5-m reflector + CCD, 1.5-m reflector + 10K CCD.
O18 WFST, Lenghu. Observers Z. Q. Li, S. X. Li, Q. Y. Hai. Measurers B. Li,
H. B. Zhao, Z. J. Xu, G. T. Zhaori. 2.5-m f/2.48 reflector + CCD.
T09 Subaru Telescope, Maunakea. Observers S. S. Sheppard, D. J. Tholen.
Measurer D. J. Tholen. 8.2-m f/2.2 reflector + 2048 x 4176 pixels
HyperSuprimeCam.
T14 Canada-France-Hawaii Telescope, Maunakea. Observer H. Yee. Measurer S.
Deen. 3.58-m Canada-France-Hawaii Telescope + CCD.
V00 Kitt Peak-Bok. Observers H. Groeller, C. Lejoly, M. Brucker. 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, C. Lejoly, R. A.
Mastaler. 2.25-m reflector + 4x4K mosaic CCD.
X07 iTelescope Deep Sky Chile, Rio Hurtado. Observer H. Sato. 0.51-m f/6.8
astrograph + CCD.
Orbital elements:
P/2006 AH2 (Sheppard-Tholen)
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Aug. 24.41301 TT Rudenko
q 3.9908601 (2000.0) P Q
n 0.05503035 Peri. 195.96740 -0.12838258 -0.97667981
a 6.8454370 Node 261.64848 +0.92786259 -0.05703060
e 0.4170043 Incl. 10.01657 +0.35012701 -0.20698805
P 17.9
>From 61 observations 2006 Jan. 2-2024 Feb. 3, mean residual 0".3.
P/2006 AH2 (Sheppard-Tholen)
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2023 Aug. 24.65692 TT Rudenko
q 3.9910730 (2000.0) P Q
n 0.05502279 Peri. 196.00454 -0.12900223 -0.97659880
a 6.8460642 Node 261.64770 +0.92782671 -0.05762096
e 0.4170267 Incl. 10.01638 +0.34999432 -0.20720667
P 17.9
>From 61 observations 2006 Jan. 2-2024 Feb. 3, mean residual 0".3.
Ephemeris:
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2024 03 24 07 40 01.4 +13 11 29 3.6989 4.1592 110.8 12.9 21.0
...
2024 04 08 07 44 58.9 +13 10 22 3.9345 4.1828 97.4 13.7 21.2
...
2024 04 16 07 48 53.9 +13 06 12 4.0643 4.1959 90.6 13.8 21.3
...
2024 04 22 07 52 21.0 +13 01 15 4.1620 4.2060 85.6 13.8 21.3
2024 04 23 07 52 57.9 +13 00 16 4.1783 4.2077 84.8 13.8 21.3
2024 04 24 07 53 35.5 +12 59 14 4.1946 4.2094 84.0 13.7 21.4
...
2024 04 30 07 57 33.9 +12 52 07 4.2916 4.2197 79.2 13.6 21.4
...
2024 05 08 08 03 24.3 +12 39 59 4.4192 4.2339 72.9 13.2 21.5
...
2024 05 23 08 15 45.8 +12 08 51 4.6482 4.2613 61.6 12.1 21.6
M. P. C. Staff (C) Copyright 2024 MPC M.P.E.C. 2024-H65
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