MPEC 2023-R42 : COMET P/2010 YK3 = P/2023 KF3
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Read MPEC 2023-R41
Read MPEC 2023-R43
M.P.E.C. 2023-R42 Issued 2023 September 8, 02:02 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/2010 YK3 = P/2023 KF3
D. Rankin reports cometary activity of 2010 YK3 = 2023 KF3 (discovered by
LINEAR on Dec. 31, 2010 UT) in images taken by Mt. Lemmon Survey (G96) on May
24 UT, noting a condensed 5".3e coma and a straight 4" tail at position angle
225 deg. Additional reports of cometary features are as follows:
OC Date Reporter Coma Tail PA Exposures
F51 2010-11-30 K. Ly 8" 1x45s
F51 2010-12-25 K. Ly 7" 2x45s
X07 2023-06-29 H. Sato 10" 35" 220-255 6x120s
Z17 2023-07-22 A. Hale 6" 12" 245
L09 2023-08-10 A. Hale 12" 22" 245
Q62 2023-08-10 K. Yoshimoto 24" 60" 240 15x60s
215 2023-08-10 W. Hasubick 6".5 52" 230
W62 2023-08-11 J. Maikner 30" 90" 230
W68 2023-08-12 A. Fitzsimmons 17" 20" 235 8x30s
P87 2023-08-13 K. Yoshimoto 26" 30" 240 20x60s
950 2023-08-17 M. Masek 16" 19" 230 96x60s
W62 2023-08-19 J. Maikner 120" 90" 225
Q62 2023-08-20 T. Prystavski 36" 30" 190-239 7x180s
L09 2023-08-20 A. Hale 12" 40" 240
W68 2023-08-21 A. Fitzsimmons 18" 20" 225 4x30s
X06 2023-08-27 D. Husar 12"
Observations:
PK10Y03K C1996 06 23.41195 21 50 43.51 -10 10 01.5 iER042691
PK10Y03K C1996 06 23.43964 21 50 43.80 -10 09 55.1 iER042691
PK10Y03K C1996 06 23.46902 21 50 44.18 -10 09 49.4 20.7 ViER042691
PK10Y03K ZC2010 11 30.56521 06 03 50.46 +26 02 46.0 18.5 i ER042F51
PK10Y03K ZC2010 11 30.57718 06 03 49.93 +26 02 44.9 18.8 i ER042F51
PK10Y03K ZC2010 12 25.52370 05 43 00.63 +25 16 11.9 18.3 i ER042F51
PK10Y03K ZC2010 12 25.53585 05 43 00.01 +25 16 10.4 18.3 i ER042F51
PK10Y03K* C2010 12 31.29494 05 38 37.79 +25 03 15.4 19.4 cER042704
PK10Y03K C2010 12 31.30872 05 38 37.23 +25 03 13.8 19.6 cER042704
PK10Y03K C2010 12 31.32210 05 38 36.57 +25 03 11.8 19.7 cER042704
PK10Y03K C2011 01 05.27163 05 35 17.09 +24 52 03.8 19.5 cER042704
PK10Y03K C2011 01 05.28478 05 35 16.64 +24 52 00.5 20.1 cER042704
PK10Y03K C2011 01 05.31119 05 35 15.54 +24 51 56.5 19.6 cER042704
PK10Y03K C2011 01 05.32444 05 35 14.97 +24 51 55.9 20.0 cER042704
PK10Y03K KC2023 06 30.15840 22 30 10.24 -05 29 51.8 19.6 GVER042M21
PK10Y03K HC2023 06 30.18217 22 30 10.77 -05 29 43.6 VER042M21
PK10Y03K KC2023 07 02.07317 22 30 56.72 -05 19 37.3 19.7 GVER042M21
PK10Y03K KC2023 07 02.10118 22 30 57.30 -05 19 28.6 VER042M21
PK10Y03K KC2023 07 05.13178 22 32 02.03 -05 03 51.4 19.6 VZER042M49
PK10Y03K KC2023 07 05.13889 22 32 02.07 -05 03 49.4 19.3 VZER042M49
PK10Y03K KC2023 07 05.14599 22 32 02.22 -05 03 47.4 19.1 VZER042M49
PK10Y03K KC2023 07 05.15619 22 32 02.37 -05 03 45.4 19.5 VZER042M49
PK10Y03K KC2023 07 05.16574 22 32 02.62 -05 03 42.3 19.1 VZER042M49
PK10Y03K KC2023 07 05.17473 22 32 02.73 -05 03 39.6 19.4 VZER042M49
PK10Y03K KC2023 07 05.18488 22 32 02.93 -05 03 36.7 19.2 VZER042M49
PK10Y03K KC2023 07 05.19273 22 32 03.12 -05 03 34.4 19.0 VZER042M49
PK10Y03K C2023 07 12.08426422 33 49.541-04 31 09.66 18.83oVER042M22
PK10Y03K C2023 07 12.08745622 33 49.495-04 31 10.49 18.62oVER042M22
PK10Y03K C2023 07 12.09300122 33 49.627-04 31 08.40 18.92oVER042M22
PK10Y03K C2023 07 12.10466422 33 49.750-04 31 04.69 18.98oVER042M22
PK10Y03K C2023 07 14.57560322 34 13.552-04 20 41.36 20.02wXER042F51
PK10Y03K C2023 07 14.58457922 34 13.617-04 20 38.60 19.90wXER042F51
PK10Y03K C2023 07 14.60248422 34 13.726-04 20 34.29 19.53wXER042F51
PK10Y03K C2023 07 17.95756522 34 33.624-04 07 20.78 19.07cVER042M22
PK10Y03K C2023 07 17.95995222 34 33.506-04 07 19.60 18.73cVER042M22
PK10Y03K C2023 07 17.98759122 34 33.648-04 07 13.73 18.73cVER042M22
PK10Y03K C2023 07 17.99679022 34 33.430-04 07 14.45 18.30cVER042M22
PK10Y03K C2023 07 22.06201 22 34 37.95 -03 53 02.3 18.4 GVER042Z17
PK10Y03K C2023 07 22.06569 22 34 37.93 -03 53 01.4 18.5 GVER042Z17
PK10Y03K KB2023 07 22.99103 22 34 35.86 -03 49 58.5 18.7 VZER042M49
PK10Y03K KB2023 07 22.99529 22 34 35.84 -03 49 58.1 18.7 VZER042M49
PK10Y03K KB2023 07 22.99956 22 34 35.81 -03 49 57.0 18.8 VZER042M49
PK10Y03K C2023 07 23.52183722 34 34.107-03 48 23.26 19.28wXER042F51
PK10Y03K C2023 07 23.54580722 34 33.972-03 48 18.81 19.32wXER042F51
PK10Y03K C2023 07 23.55767922 34 33.898-03 48 16.23 19.31wXER042F51
PK10Y03K C2023 07 27.54295622 34 09.660-03 36 54.81 19.08wXER042F51
PK10Y03K C2023 07 27.55761022 34 09.480-03 36 52.30 18.96wXER042F51
PK10Y03K C2023 07 27.57283622 34 09.336-03 36 50.23 19.25wXER042F51
PK10Y03K C2023 07 27.58466022 34 09.192-03 36 48.03 19.27wXER042F51
PK10Y03K C2023 07 28.15551722 34 04.373-03 35 14.93 18.34oVER042W68
PK10Y03K C2023 07 28.15830822 34 04.327-03 35 15.47 18.13oVER042W68
PK10Y03K C2023 07 28.16474222 34 04.284-03 35 14.39 17.37oVER042W68
PK10Y03K C2023 07 28.19875122 34 03.910-03 35 09.28 17.80oVER042W68
PK10Y03K C2023 08 01.18540922 33 16.327-03 26 02.90 18.14oVER042W68
PK10Y03K C2023 08 01.18721222 33 16.258-03 26 02.51 18.05oVER042W68
PK10Y03K C2023 08 01.19543922 33 16.152-03 26 03.48 18.15oVER042W68
PK10Y03K C2023 08 01.21540322 33 15.857-03 25 59.34 18.03oVER042W68
PK10Y03K C2023 08 09.92277 22 30 25.72 -03 13 09.0 17.4 GVER042L09
PK10Y03K C2023 08 09.92628 22 30 25.62 -03 13 08.8 17.4 GVER042L09
PK10Y03K C2023 08 09.92979 22 30 25.53 -03 13 08.6 17.4 GVER042L09
PK10Y03K aC2023 08 10.56590 22 30 09.80 -03 12 35.3 VER042Q62
PK10Y03K aC2023 08 10.57175 22 30 09.63 -03 12 35.1 VER042Q62
PK10Y03K aC2023 08 10.57760 22 30 09.49 -03 12 34.6 16.8 TVER042Q62
PK10Y03K C2023 08 10.90475222 30 01.260-03 12 18.97 17.19oVER042M22
PK10Y03K C2023 08 10.90658022 30 01.224-03 12 18.90 17.03oVER042M22
PK10Y03K C2023 08 10.94206622 30 00.257-03 12 17.06 17.06oVER042M22
PK10Y03K C2023 08 10.94897622 30 00.050-03 12 16.60 17.46oVER042M22
PK10Y03K KC2023 08 10.97245322 29 59.479-03 12 22.68 17.5 GVER042Z80
PK10Y03K KC2023 08 10.97549022 29 59.38 -03 12 23.2 17.0 RqER042215
PK10Y03K KC2023 08 10.97678122 29 59.34 -03 12 23.2 17.1 RqER042215
PK10Y03K KC2023 08 10.97807322 29 59.30 -03 12 23.0 17.0 RqER042215
PK10Y03K KC2023 08 10.98035122 29 59.280-03 12 22.68 17.2 GVER042Z80
PK10Y03K KC2023 08 11.14431122 29 55.18 -03 12 14.6 17.1 GXER042W62
PK10Y03K KC2023 08 11.16344322 29 54.65 -03 12 13.8 17.1 GXER042W62
PK10Y03K KC2023 08 11.18186422 29 54.15 -03 12 12.8 17.0 GXER042W62
PK10Y03K C2023 08 12.25289422 29 25.877-03 11 22.13 17.77cVER042W68
PK10Y03K C2023 08 12.25605122 29 25.786-03 11 22.13 17.15cVER042W68
PK10Y03K C2023 08 12.26241522 29 25.594-03 11 21.55 17.27cVER042W68
PK10Y03K C2023 08 12.26560922 29 25.498-03 11 21.59 17.26cVER042W68
PK10Y03K C2023 08 12.26881522 29 25.406-03 11 21.23 17.39cVER042W68
PK10Y03K C2023 08 12.27404122 29 25.241-03 11 21.26 17.35cVER042W68
PK10Y03K C2023 08 12.27629722 29 25.212-03 11 21.12 17.33cVER042W68
PK10Y03K C2023 08 12.28637522 29 24.922-03 11 20.51 17.50cVER042W68
PK10Y03K C2023 08 13.25318222 28 58.632-03 10 48.86 17.29cVER042W68
PK10Y03K C2023 08 13.27766722 28 57.857-03 10 48.14 17.31cVER042W68
PK10Y03K C2023 08 13.30618922 28 57.010-03 10 47.03 17.10cVER042W68
PK10Y03K C2023 08 13.31559922 28 56.772-03 10 46.88 17.65cVER042W68
PK10Y03K KC2023 08 13.62158 22 28 48.51 -03 10 44.5 VER042P87
PK10Y03K KC2023 08 13.63054 22 28 48.28 -03 10 43.9 VER042P87
PK10Y03K KC2023 08 13.64397 22 28 47.84 -03 10 43.9 16.7 TVER042P87
PK10Y03K C2023 08 13.99284622 28 37.894-03 10 28.78 16.78oVER042M22
PK10Y03K C2023 08 14.00342822 28 37.543-03 10 28.42 16.92oVER042M22
PK10Y03K C2023 08 14.00628922 28 37.457-03 10 28.52 16.92oVER042M22
PK10Y03K C2023 08 14.04167722 28 36.394-03 10 27.80 17.09oVER042M22
PK10Y03K C2023 08 15.24858422 28 01.507-03 10 04.87 17.15cVER042W68
PK10Y03K C2023 08 15.25220922 28 01.394-03 10 04.69 17.21cVER042W68
PK10Y03K C2023 08 15.27567022 28 00.660-03 10 03.72 17.48cVER042W68
PK10Y03K C2023 08 15.28108822 28 00.487-03 10 04.26 17.71cVER042W68
PK10Y03K :C2023 08 17.00917 22 27 08.53 -03 09 55.5 16.5 VqER042950
PK10Y03K :C2023 08 17.08147 22 27 06.13 -03 09 55.4 16.4 VqER042950
PK10Y03K :C2023 08 17.15380 22 27 03.74 -03 09 55.2 16.4 VqER042950
PK10Y03K KC2023 08 19.11939122 26 01.73 -03 10 07.3 17.1 GXER042W62
PK10Y03K KC2023 08 19.15021022 26 00.67 -03 10 07.8 17.0 GXER042W62
PK10Y03K KC2023 08 19.18067622 25 59.63 -03 10 08.2 16.9 GXER042W62
PK10Y03K ZC2023 08 20.53273 22 25 15.21 -03 10 24.8 16.2 TVER042Q62
PK10Y03K ZC2023 08 20.53759 22 25 15.04 -03 10 24.8 VER042Q62
PK10Y03K ZC2023 08 20.54487 22 25 14.78 -03 10 24.9 VER042Q62
PK10Y03K ZC2023 08 20.54729 22 25 14.69 -03 10 25.0 VER042Q62
PK10Y03K C2023 08 20.84812 22 25 04.75 -03 10 31.9 16.9 GVER042L09
PK10Y03K C2023 08 20.85163 22 25 04.61 -03 10 32.2 16.9 GVER042L09
PK10Y03K C2023 08 20.85516 22 25 04.50 -03 10 31.9 16.9 GVER042L09
PK10Y03K C2023 08 21.31760422 24 48.518-03 10 43.46 16.84cVER042W68
PK10Y03K C2023 08 21.32079522 24 48.391-03 10 43.64 16.91cVER042W68
PK10Y03K C2023 08 21.33574122 24 47.849-03 10 44.08 16.96cVER042W68
PK10Y03K KC2023 08 22.89565822 23 54.96 -03 11 41.2 16.9 GVER042G17
PK10Y03K KC2023 08 22.90272322 23 54.71 -03 11 41.5 17.1 GVER042G17
PK10Y03K KC2023 08 22.90978722 23 54.45 -03 11 41.4 17.2 GVER042G17
PK10Y03K C2023 08 23.44443522 23 35.795-03 12 00.17 17.51wXER042F52
PK10Y03K C2023 08 23.45470322 23 35.404-03 12 00.59 17.52wXER042F52
PK10Y03K C2023 08 23.46494322 23 35.030-03 12 01.03 17.61wXER042F52
PK10Y03K C2023 08 23.47519022 23 34.644-03 12 01.39 17.58wXER042F52
PK10Y03K C2023 08 23.64344 22 23 28.81 -03 12 09.7 16.4 TqER042Q23
PK10Y03K C2023 08 23.65149 22 23 28.51 -03 12 09.9 qER042Q23
PK10Y03K C2023 08 23.65954 22 23 28.20 -03 12 10.2 qER042Q23
PK10Y03K C2023 08 24.17274922 23 10.406-03 12 25.31 16.33oVER042W68
PK10Y03K C2023 08 24.17656322 23 10.277-03 12 25.34 16.44oVER042W68
PK10Y03K C2023 08 24.20140022 23 09.338-03 12 26.57 16.53oVER042W68
PK10Y03K C2023 08 24.20993622 23 09.007-03 12 26.96 16.45oVER042W68
PK10Y03K C2023 08 24.52764 22 22 58.04 -03 12 48.4 16.2 TqER042Q23
PK10Y03K C2023 08 24.53728 22 22 57.67 -03 12 48.8 qER042Q23
PK10Y03K C2023 08 24.55178 22 22 57.15 -03 12 49.4 qER042Q23
PK10Y03K KC2023 08 24.91640 22 22 44.20 -03 13 07.6 16.6 GXER042G02
PK10Y03K KC2023 08 24.92111 22 22 44.04 -03 13 07.6 16.6 GXER042G02
PK10Y03K KC2023 08 24.92546 22 22 43.86 -03 13 08.1 16.6 GXER042G02
PK10Y03K KC2023 08 27.03362 22 21 28.89 -03 14 54.5 17.1 VZER042X06
PK10Y03K KC2023 08 27.03773 22 21 28.72 -03 14 54.9 17.2 VZER042X06
PK10Y03K C2023 08 27.21158922 21 22.128-03 15 05.40 16.38oVER042W68
PK10Y03K C2023 08 27.24713422 21 20.782-03 15 07.31 16.80oVER042W68
PK10Y03K C2023 08 27.25035822 21 20.652-03 15 07.81 16.47oVER042W68
PK10Y03K C2023 08 27.27876522 21 19.565-03 15 09.47 16.78oVER042W68
PK10Y03K KC2023 08 27.30473 22 21 18.58 -03 15 11.0 17.0 VZER042X06
PK10Y03K KC2023 08 27.31845 22 21 18.06 -03 15 11.8 17.1 VZER042X06
PK10Y03K KC2023 08 27.33137 22 21 17.57 -03 15 12.5 17.1 VZER042X06
PK10Y03K KC2023 08 27.87383 22 20 58.39 -03 15 54.9 16.7 GXER042G02
PK10Y03K KC2023 08 27.87713 22 20 58.28 -03 15 54.9 16.3 GXER042G02
PK10Y03K KC2023 08 27.88044 22 20 58.14 -03 15 54.9 16.6 GXER042G02
PK10Y03K C2023 08 28.88777122 20 21.672-03 16 54.19 16.27oVER042M22
PK10Y03K C2023 08 28.89004222 20 21.576-03 16 54.12 16.20oVER042M22
PK10Y03K C2023 08 28.89367522 20 21.444-03 16 54.23 16.44oVER042M22
PK10Y03K C2023 08 28.89913222 20 21.228-03 16 54.77 16.21oVER042M22
PK10Y03K C2023 08 29.65559 22 19 53.56 -03 17 55.2 qER042903
PK10Y03K C2023 08 29.66075 22 19 53.35 -03 17 55.8 qER042903
PK10Y03K C2023 08 29.66738 22 19 53.10 -03 17 55.8 16.2 TqER042903
PK10Y03K KC2023 08 31.90597 22 18 31.83 -03 20 50.6 16.3 GXER042G02
PK10Y03K KC2023 08 31.91093 22 18 31.62 -03 20 51.7 16.6 GXER042G02
PK10Y03K KC2023 08 31.91562 22 18 31.47 -03 20 51.4 16.6 GXER042G02
PK10Y03K KC2023 09 04.90539 22 16 07.51 -03 26 49.3 16.5 GXER042G02
PK10Y03K KC2023 09 04.91334 22 16 07.13 -03 26 49.9 16.5 GXER042G02
PK10Y03K KC2023 09 04.92097 22 16 06.80 -03 26 51.2 16.5 GXER042G02
PK10Y03K C2023 09 05.30901222 15 52.752-03 27 20.63 16.06oVER042W68
PK10Y03K C2023 09 05.31444222 15 52.577-03 27 20.99 16.13oVER042W68
PK10Y03K C2023 09 05.31945522 15 52.366-03 27 21.38 16.11oVER042W68
PK10Y03K C2023 09 05.33745622 15 51.691-03 27 22.93 16.37oVER042W68
PK10Y03K C2023 09 06.17797 22 15 22.50 -03 28 53.0 16.4 GVER042V38
PK10Y03K C2023 09 06.18149 22 15 22.37 -03 28 53.3 16.4 GVER042V38
PK10Y03K C2023 09 06.18500 22 15 22.24 -03 28 53.7 16.4 GVER042V38
PK10Y03K 1C2023 09 06.21897522 15 21.006-03 28 57.29 16.23GVER042G96
PK10Y03K 1C2023 09 06.22460022 15 20.797-03 28 57.86 16.25GVER042G96
PK10Y03K 1C2023 09 06.23021422 15 20.585-03 28 58.44 16.22GVER042G96
PK10Y03K 1C2023 09 06.23583222 15 20.376-03 28 58.98 16.26GVER042G96
PK10Y03K C2023 09 06.94571522 14 55.315-03 30 03.71 16.52cVER042M22
PK10Y03K C2023 09 06.94935522 14 55.183-03 30 04.21 16.53cVER042M22
PK10Y03K C2023 09 06.95945622 14 54.814-03 30 05.11 16.51cVER042M22
PK10Y03K C2023 09 06.96495522 14 54.602-03 30 05.80 16.52cVER042M22
PK23K03F*1C2023 05 24.43798522 04 10.042-09 27 11.38 20.63GVER042G96
PK23K03F 1C2023 05 24.44321322 04 10.326-09 27 09.29 20.19GVER042G96
PK23K03F 1C2023 05 24.44841422 04 10.614-09 27 06.88 19.88GVER042G96
PK23K03F 1C2023 05 24.45361722 04 10.895-09 27 04.61 20.35GVER042G96
PK23K03F 2C2023 05 25.30537822 04 59.08 -09 20 56.8 20.2 GVER042W85
PK23K03F 2C2023 05 25.30782322 04 59.23 -09 20 55.8 20.2 GVER042W85
PK23K03F 2C2023 05 25.31029422 04 59.35 -09 20 54.7 20.2 GVER042W85
PK23K03F 2C2023 05 25.31273922 04 59.51 -09 20 53.6 20.3 GVER042W85
PK23K03F mC2023 05 25.39743422 05 04.218-09 20 20.80 20.59GVER042I52
PK23K03F mC2023 05 25.40375422 05 04.614-09 20 18.60 20.51GVER042I52
PK23K03F mC2023 05 25.41008622 05 05.017-09 20 16.55 19.65GVER042I52
PK23K03F mC2023 05 25.41643822 05 05.374-09 20 12.77 20.34GVER042I52
PK23K03F mC2023 05 26.44451122 06 02.664-09 12 54.97 20.57GVER042I52
PK23K03F mC2023 05 26.45174722 06 03.067-09 12 52.16 VER042I52
PK23K03F 1C2023 06 26.36356722 28 26.886-05 51 02.92 19.40GVER042G96
PK23K03F 1C2023 06 26.36884722 28 27.030-05 51 01.04 19.12GVER042G96
PK23K03F 1C2023 06 26.37411022 28 27.167-05 50 59.24 19.20GVER042G96
PK23K03F 1C2023 06 26.37937022 28 27.318-05 50 57.48 19.13GVER042G96
PK23K03F KC2023 06 26.42443422 28 28.556-05 50 41.93 19.23GVER042I52
PK23K03F KC2023 06 26.43326322 28 28.834-05 50 39.23 19.29GVER042I52
PK23K03F KC2023 06 26.44034422 28 28.985-05 50 36.67 19.22GVER042I52
PK23K03F KC2023 06 26.44636022 28 29.176-05 50 34.87 19.35GVER042I52
PK23K03F 0C2023 06 29.36921 22 29 50.02 -05 34 09.1 VER042X07
PK23K03F 0C2023 06 29.37399 22 29 50.17 -05 34 07.5 19.0 GVER042X07
PK23K03F C2023 06 30.52908722 30 19.694-05 27 54.39 20.12wXER042F52
PK23K03F C2023 06 30.53602722 30 19.863-05 27 52.24 20.16wXER042F52
PK23K03F C2023 06 30.53981822 30 19.956-05 27 50.93 20.06wXER042F52
PK23K03F C2023 06 30.54682522 30 20.116-05 27 48.70 19.97wXER042F52
PK23K03F C2023 06 30.55062622 30 20.203-05 27 47.52 20.08wXER042F52
PK23K03F C2023 06 30.55758622 30 20.362-05 27 45.30 20.05wXER042F52
PK23K03F C2023 06 30.56141222 30 20.445-05 27 44.02 20.02wXER042F52
PK23K03F C2023 06 30.56835022 30 20.612-05 27 41.57 19.97wXER042F52
Observer details:
215 Buchloe. Observer W. Hasubick. 0.44-m f/4.6 reflector + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, G. Spitz, R.
Brungard, J. Paige, P. Festler, T. McVey, A. Valdivia. 1.0-m f/2.15
reflector + CCD.
903 Fukuchiyama and Kannabe. Observer M. Yoshimi. 0.25-m f/6.3 Schmidt-
Cassegrain + CCD.
950 La Palma. Observer M. Masek. 0.25-m f/6.8 reflector + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, A.
Schultz, M. Willman, I. Smith. Measurers K. Ly, K. Chambers, S. Chastel,
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 NET
Gaia3, 1.8-m Ritchey-Chretien + CCD.
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, T. Lowe, A. Schultz, I.
Smith. Measurers K. Chambers, S. Chastel, 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.
G02 KYSUCE Observatory, Kysucke Nove Mesto. Observer M. Urbanik. 0.40-m
f/6.8 Corrected Dall-Kirkham + CCD.
G17 BAS Observatory, Scandicci. Observer L. Grazzini. 0.20-m f/10 Schmidt-
Cassegrain + CCD + f/6.3 focal reducer.
G96 Mt. Lemmon Survey. Observers A. R. Gibbs, J. B. Fazekas. 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.
I52 Steward Observatory, Mt. Lemmon Station. Observers A. Serrano, R. A.
Kowalski. 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.
L09 Sutherland-LCO Aqawan A #1. Observer A. Hale. 0.35-m f/3 Cassegrain +
CCD.
M21 Schiaparelli Southern Observatory, Hakos. Observers A. Aletti, F.
Bellini, L. Buzzi, G. Galli. Measurers A. Aletti, L. Buzzi. 0.36-m f/8.4
reflector + CCD.
M22 ATLAS South Africa, Sutherland. Observers L. Denneau, R. Siverd, J.
Tonry, H. Weiland. Measurers L. Denneau, N. Erasmus, A. Fitzsimmons, A.
Lawrence, J. Robinson, R. Siverd, J. Tonry, H. Weiland. 0.5-m Reflector +
CCD.
M49 IAS Remote Observatory, Hakos. Observers D. Husar, M. Junius. Measurer
D. Husar. 0.25-m f/4.6 reflector + CCD, 0.25-m f/4.6 reflector + CMO.
P87 Hirao Observatory, Yamaguchi. Observer K. Yoshimoto. 0.20-m f/8 Ritchey-
Chretien + CCD + f/5.4 focal Reducer.
Q23 Sukagawa. Observer H. Sato. 0.25-m f/4 reflector + CCD.
Q62 iTelescope Observatory, Siding Spring. Observers K. Yoshimoto, T.
Prystavski. 0.51-m f/6.8 reflector + CCD + f/4.5 focal reducer, 0.32-m
f/9.0 Ritchey-Chretien + CCD.
V38 McDonald Observatory-LCO ELP Aqawan A #1. Observer A. Hale. 0.35-m f/3
Cassegrain + CCD.
W62 Comet Hunter Observatory2, New Ringgold. Observer J. Maikner. 0.30-m
f/3.8 Riccardi-Honders + CCD.
W68 ATLAS Chile, Rio Hurtado. Observers L. Denneau, R. Siverd, J. Tonry, H.
Weiland. Measurers L. Denneau, N. Erasmus, A. Fitzsimmons, A. Lawrence,
J. Robinson, R. Siverd, J. Tonry, H. Weiland. 0.5-m Reflector + CCD.
W85 Cerro Tololo-LCO A. Observer J. D. Armstrong. 1.0-m f/8 modified
Ritchey-Chretien + CCD.
X06 Skygems Chile, Rio Hurtado. Observers D. Husar, L. Demetz. Measurer D.
Husar. 0.40-m f/6.6 reflector + CCD.
X07 iTelescope Deep Sky Chile, Rio Hurtado. Observer H. Sato. 0.51-m f/6.8
astrograph + CCD.
Z17 Tenerife-LCO Aqawan A #2. Observer A. Hale. 0.4-m f/10 Schmidt-
Cassegrain + CCD.
Z80 Northolt Branch Observatory. Observer G. Wells. 0.25-m f/8.0 Ritchey-
Chretien + CCD.
Orbital elements:
P/2010 YK3
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Dec. 20.30482 TT Rudenko
q 2.1234065 (2000.0) P Q
n 0.07232119 Peri. 94.95736 +0.94601710 -0.31376368
a 5.7054821 Node 283.34656 +0.25430650 +0.87399598
e 0.6278305 Incl. 4.79097 +0.20094738 +0.37105711
P 13.6
From 206 observations 1996 June 23-2023 Sept. 6, mean residual 0".5.
Ephemeris:
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2023 08 09 22 30 47.6 -03 14 06 1.4838 2.4495 157.0 9.3 16.7
...
2023 08 24 22 23 16.4 -03 12 21 1.3818 2.3860 171.1 3.7 16.5
...
2023 09 01 22 18 28.4 -03 20 54 1.3495 2.3543 172.8 3.1 16.4
...
2023 09 07 22 14 53.6 -03 30 12 1.3355 2.3315 168.3 5.0 16.3
2023 09 08 22 14 18.9 -03 31 55 1.3340 2.3278 167.4 5.4 16.3
2023 09 09 22 13 44.8 -03 33 41 1.3327 2.3241 166.4 5.8 16.3
...
2023 09 15 22 10 34.2 -03 44 38 1.3301 2.3026 160.4 8.4 16.2
...
2023 09 23 22 07 14.8 -03 58 48 1.3394 2.2756 152.1 11.9 16.2
...
2023 10 08 22 05 05.0 -04 15 48 1.3910 2.2300 137.2 17.7 16.2
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-R42
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